diff --git "a/backend/omr/dist/index.js" "b/backend/omr/dist/index.js" --- "a/backend/omr/dist/index.js" +++ "b/backend/omr/dist/index.js" @@ -1,2 +1,2 @@ -"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var e=require("js-sha1"),t=require("lodash/pick"),s=require("lodash"),i=require("math-erf"),r=require("msgpackr"),n=require("zeromq"),a=require("portfinder"),o=require("python-shell"),c=require("skia-canvas"),l=require("weak-lru-cache"),u=require("spark-md5"),h=require("sharp"),m=require("got");function f(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var d,p,g,y=f(e),v=f(t),x=f(s),S=f(i),b=f(u),k=f(h),T=f(m);globalThis.btoa=e=>Buffer.from(e,"binary").toString("base64"),globalThis.atob=e=>Buffer.from(e,"base64").toString("binary"),function(e){e.ByLines="ByLines",e.ByBlocks="ByBlocks"}(d||(d={})),function(e){e.Title="Title",e.Author="Author",e.TempoText="TempoText",e.TempoNumeral="TempoNumeral",e.TextualMark="TextualMark",e.Lyric="Lyric",e.Instrument="Instrument",e.MeasureNumber="MeasureNumber",e.Times="Times",e.Alternation1="Alternation1",e.Alternation2="Alternation2",e.Chord="Chord",e.PageMargin="PageMargin",e.Other="Other"}(p||(p={})),function(e){e.ClefG="ClefG",e.ClefF="ClefF",e.ClefC="ClefC",e.NoteheadS0="NoteheadS0",e.NoteheadS1="NoteheadS1",e.NoteheadS2="NoteheadS2",e.NoteheadS1stemU="NoteheadS1stemU",e.NoteheadS1stemD="NoteheadS1stemD",e.NoteheadS2stemU="NoteheadS2stemU",e.NoteheadS2stemD="NoteheadS2stemD",e.vline_Stem="vline_Stem",e.Flag3="Flag3",e.BeamLeft="BeamLeft",e.BeamContinue="BeamContinue",e.BeamRight="BeamRight",e.TremoloLeft="TremoloLeft",e.TremoloRight="TremoloRight",e.TremoloMiddle="TremoloMiddle",e.Dot="Dot",e.Rest0="Rest0",e.Rest1="Rest1",e.Rest2="Rest2",e.Rest3="Rest3",e.Rest4="Rest4",e.Rest5="Rest5",e.Rest6="Rest6",e.Rest0W="Rest0W",e.RestM1="RestM1",e.AccNatural="AccNatural",e.AccSharp="AccSharp",e.AccDoublesharp="AccDoublesharp",e.AccFlat="AccFlat",e.AccFlatflat="AccFlatflat",e.vline_VoltaLeft="vline_VoltaLeft",e.vline_VoltaRight="vline_VoltaRight",e.VoltaLeft="VoltaLeft",e.VoltaRight="VoltaRight",e.VoltaAlternativeBegin="VoltaAlternativeBegin",e.BarMeasure="BarMeasure",e.vline_BarMeasure="vline_BarMeasure",e.vline_BarTerminal="vline_BarTerminal",e.vline_BarSegment="vline_BarSegment",e.SlurBegin="SlurBegin",e.SlurEnd="SlurEnd",e.TimesigC44="TimesigC44",e.TimesigC22="TimesigC22",e.TimesigZero="TimesigZero",e.TimesigOne="TimesigOne",e.TimesigTwo="TimesigTwo",e.TimesigThree="TimesigThree",e.TimesigFour="TimesigFour",e.TimesigFive="TimesigFive",e.TimesigSix="TimesigSix",e.TimesigSeven="TimesigSeven",e.TimesigEight="TimesigEight",e.TimesigNine="TimesigNine",e.OctaveShift8va="OctaveShift8va",e.OctaveShift8vb="OctaveShift8vb",e.OctaveShift8="OctaveShift8",e.OctaveShift0="OctaveShift0",e.Zero="Zero",e.One="One",e.Two="Two",e.Three="Three",e.Four="Four",e.Five="Five",e.Six="Six",e.Seven="Seven",e.Eight="Eight",e.Nine="Nine",e.f="f",e.p="p",e.m="m",e.n="n",e.r="r",e.s="s",e.z="z",e.CrescendoBegin="CrescendoBegin",e.CrescendoEnd="CrescendoEnd",e.DecrescendoBegin="DecrescendoBegin",e.DecrescendoEnd="DecrescendoEnd",e.ScriptFermata="ScriptFermata",e.ScriptShortFermata="ScriptShortFermata",e.ScriptSforzato="ScriptSforzato",e.ScriptStaccato="ScriptStaccato",e.ScriptStaccatissimo="ScriptStaccatissimo",e.ScriptTurn="ScriptTurn",e.ScriptTrill="ScriptTrill",e.ScriptSegno="ScriptSegno",e.ScriptCoda="ScriptCoda",e.ScriptArpeggio="ScriptArpeggio",e.ScriptPrall="ScriptPrall",e.ScriptMordent="ScriptMordent",e.ScriptMarcato="ScriptMarcato",e.ScriptTenuto="ScriptTenuto",e.ScriptPortato="ScriptPortato",e.PedalStar="PedalStar",e.PedalPed="PedalPed",e.KeyAcc="KeyAcc",e.TempoNotehead="TempoNotehead",e.GraceNotehead="GraceNotehead",e.SignLined="SignLined",e.SignInterval="SignInterval",e.rect_Text="rect_Text",e.rect_Lyric="rect_Lyric"}(g||(g={}));const w={NoteheadS0:1.826,NoteheadS1:1.264,NoteheadS2:1.198},M={"clefs.F":{x:1.06},"clefs.G":{x:1.3},"clefs.F_change":{x:.87},"clefs.G_change":{x:1.07},"timesig.C44":{x:.9},"timesig.C22":{x:.9},zero:{x:.7,y:-1},one:{x:.7,y:-1},two:{x:.7,y:-1},three:{x:.7,y:-1},four:{x:.7,y:-1},five:{x:.7,y:-1},six:{x:.7,y:-1},seven:{x:.7,y:-1},eight:{x:.7,y:-1},nine:{x:.7,y:-1},"accidentals.sharp":{x:.55},"accidentals.doublesharp":{x:.5},"accidentals.natural":{x:.3},"accidentals.flat":{x:.3},"accidentals.flatflat":{x:.5},"noteheads.s0":{x:w.NoteheadS0/2},"noteheads.s1":{x:w.NoteheadS1/2},"noteheads.s2":{x:w.NoteheadS2/2},"rests.0":{x:.75,y:1},"rests.1":{x:.75},"rests.0o":{x:.75,y:1},"rests.1o":{x:.75},"rests.M1":{x:.75,y:1},"rests.2":{x:.5},"rests.3":{x:.5},"rests.4":{x:.5},"rests.5":{x:.5},"rests.6":{x:.5},f:{x:.6,y:-.5},m:{x:.9,y:-.5},p:{x:.5,y:-.5},r:{x:.5,y:-.5},s:{x:.5,y:-.5},z:{x:.5,y:-.5},"scripts.trill":{y:-.5},"scripts.segno":{x:0,y:0},"scripts.coda":{x:0,y:0},"scripts.arpeggio":{x:.5,y:-.5},"pedal.*":{x:.78,y:-.78},"pedal.Ped":{x:1.6,y:-.7}},E=[g.BarMeasure,g.vline_BarMeasure,g.vline_BarTerminal,g.vline_BarSegment,g.vline_VoltaLeft,g.vline_VoltaRight,g.VoltaAlternativeBegin],N=g,I=[[N.NoteheadS0,N.NoteheadS1,N.NoteheadS2],[N.Zero,N.One,N.Two,N.Three,N.Four,N.Five,N.Six,N.Seven,N.Eight,N.Nine,N.ScriptStaccatissimo],[N.TimesigZero,N.TimesigOne,N.TimesigTwo,N.TimesigThree,N.TimesigFour,N.TimesigFive,N.TimesigSix,N.TimesigSeven,N.TimesigEight,N.TimesigNine],[N.Rest0,N.Rest1,N.Rest2,N.Rest3,N.Rest4,N.Rest5,N.Rest6,N.Rest0W,N.RestM1],[N.SignInterval,N.SignLined],[N.BeamLeft,N.BeamContinue,N.BeamRight]],C=[N.ClefG,N.ClefF,N.ClefC,N.NoteheadS0,N.NoteheadS1,N.NoteheadS2,N.Dot,N.Rest0,N.Rest1,N.Rest2,N.Rest3,N.Rest4,N.Rest5,N.Rest6,N.RestM1,N.AccNatural,N.AccSharp,N.AccDoublesharp,N.AccFlat,N.AccFlatflat,N.TimesigC44,N.TimesigC22,N.TimesigZero,N.TimesigOne,N.TimesigTwo,N.TimesigThree,N.TimesigFour,N.TimesigFive,N.TimesigSix,N.TimesigSeven,N.TimesigEight,N.TimesigNine,N.One,N.Two,N.Three,N.Four,N.Five,N.OctaveShift8,N.OctaveShift0,N.f,N.p,N.m,N.n,N.r,N.s,N.z,N.ScriptFermata,N.ScriptShortFermata,N.ScriptSforzato,N.ScriptStaccato,N.ScriptStaccatissimo,N.ScriptTurn,N.ScriptTrill,N.ScriptSegno,N.ScriptCoda,N.ScriptArpeggio,N.ScriptPrall,N.ScriptMordent,N.ScriptMarcato,N.ScriptTenuto,N.ScriptPortato,N.PedalStar,N.PedalPed],_=(e,t,s)=>{const i=Math.round(10*s.x),r=Math.round(10*s.y),n=`${e}|${t}|${s.semantic}|${i}|${r}`,a=y.default.array(n).slice(12),o=globalThis.btoa(String.fromCharCode(...a)).substring(0,11);return s.id=o,o},O=(e,t)=>{const s=Math.round(t.x),i=Math.round(t.y),r=`p-${e}|${t.semantic}|${s}|${i}`,n=y.default.array(r).slice(12),a=globalThis.btoa(String.fromCharCode(...n)).substring(0,11);return t.id=a,a};var B;!function(e){e.ClefG="clefs-G",e.ClefF="clefs-F",e.ClefC="clefs-C",e.TimesigC44="timesig-C44",e.TimesigC22="timesig-C22",e.TimesigZero="zero|timesig0",e.TimesigOne="one|timesig1",e.TimesigTwo="two|timesig2",e.TimesigThree="three|timesig3",e.TimesigFour="four|timesig4",e.TimesigFive="five|timesig5",e.TimesigSix="six|timesig6",e.TimesigSeven="seven|timesig7",e.TimesigEight="eight|timesig8",e.TimesigNine="nine|timesig9",e.OctaveShift8va="octave-a",e.OctaveShift8vb="octave-b",e.OctaveShift0="octave-0",e.Zero="zero|n0",e.One="one|n1",e.Two="two|n2",e.Three="three|n3",e.Four="four|n4",e.Five="five|n5",e.Six="six|n6",e.Seven="seven|n7",e.Eight="eight|n8",e.Nine="nine|n9",e.AccNatural="accidentals-natural",e.AccSharp="accidentals-sharp",e.AccDoublesharp="accidentals-doublesharp",e.AccFlat="accidentals-flat",e.AccFlatflat="accidentals-flatflat",e.KeyNatural="accidentals-natural|key-natural",e.KeySharp="accidentals-sharp|key-sharp",e.KeyFlat="accidentals-flat|key-flat",e.NoteheadS0="noteheads-s0",e.NoteheadS1="noteheads-s1",e.NoteheadS2="noteheads-s2",e.NoteheadS1stemU="noteheads-s1|noteheads-s1-u",e.NoteheadS1stemD="noteheads-s1|noteheads-s1-d",e.NoteheadS2stemU="noteheads-s2|noteheads-s2-u",e.NoteheadS2stemD="noteheads-s2|noteheads-s2-d",e.Rest0="rests-0o",e.Rest1="rests-1o",e.Rest2="rests-2",e.Rest3="rests-3",e.Rest4="rests-4",e.Rest5="rests-5",e.Rest6="rests-6",e.Rest0W="rests-0",e.RestM1="rests-M1",e.Flag3="flags-u3",e.Flag4="flags-u4",e.Flag5="flags-u5",e.Flag6="flags-u6",e.Flag7="flags-u7",e.Flag8="flags-u8",e.BeamLeft="|beam-left",e.BeamRight="|beam-right",e.BeamContinue="|beam-continue",e.TremoloLeft="|tremolo-left",e.TremoloRight="|tremolo-right",e.TremoloMiddle="|tremolo-middle",e.SlurBegin="|slur-begin",e.SlurEnd="|slur-end",e.TieBegin="|tie-begin",e.TieEnd="|tie-end",e.VoltaLeft="|volta-left",e.VoltaRight="|volta-right",e.VoltaAlternativeBegin="|volta-alter-begin",e.BarTerminal="|bar-terminal",e.BarSegment="|bar-segment",e.Dot="|dot",e.DotDot="|dotdot",e.f="f",e.p="p",e.m="m",e.r="r",e.s="s",e.z="z",e.WedgeCrescendo="|wedge-crescendo",e.WedgeDiminuendo="|wedge-diminuendo",e.WedgeClose="|wedge-close",e.CrescendoBegin="|wedge-crescendo",e.DecrescendoBegin="|wedge-diminuendo",e.CrescendoEnd="|wedge-close",e.DecrescendoEnd="|wedge-close",e.ScriptFermata="scripts-ufermata",e.ScriptShortFermata="scripts-ushortfermata",e.ScriptSforzato="scripts-sforzato",e.ScriptStaccato="scripts-staccato",e.ScriptStaccatissimo="scripts-ustaccatissimo",e.ScriptTurn="scripts-turn",e.ScriptTrill="scripts-trill",e.ScriptSegno="scripts-segno",e.ScriptCoda="scripts-coda",e.ScriptArpeggio="scripts-arpeggio",e.ScriptPrall="scripts-prall",e.ScriptMordent="scripts-mordent",e.ScriptMarcato="scripts-umarcato",e.ScriptTenuto="scripts-tenuto",e.ScriptPortato="scripts-uportato",e.PedalStar="pedal-star",e.PedalPed="pedal-Ped",e.Text="|text",e.GraceNotehead="|grace-notehead"}(B||(B={}));const A=B,P=Object.values(B),R=P.filter(e=>/clefs-/.test(e)),D=P.filter(e=>/timesig/.test(e)),F=P.filter(e=>/timesig-/.test(e)),L=P.filter(e=>/timesig\d/.test(e)),$=P.filter(e=>/octave-/.test(e)),j=P.filter(e=>/n\d/.test(e)),H=P.filter(e=>/accidentals-/.test(e)),V=P.filter(e=>/noteheads-/.test(e)),z=[A.NoteheadS0,A.NoteheadS1,A.NoteheadS2],q=P.filter(e=>/noteheads-.+-[ud]/.test(e)),G=P.filter(e=>/rests-/.test(e)),W=P.filter(e=>/flags-/.test(e)),U=P.filter(e=>/volta-/.test(e)),Y=P.filter(e=>/^[a-z]$/.test(e)),X=P.filter(e=>/scripts-/.test(e)),K=P.filter(e=>/pedal-/.test(e)),Z=[A.Dot,A.DotDot],J=[A.SlurBegin,A.SlurEnd,A.TieBegin,A.TieEnd],Q=P.filter(e=>/beam-/.test(e)),ee=P.filter(e=>/wedge-/.test(e)),te=[...j,...Y,...ee,...K,...J,A.ScriptFermata,A.ScriptShortFermata,A.ScriptSforzato,A.ScriptStaccato,A.ScriptStaccatissimo,A.ScriptTurn,A.ScriptTrill,A.ScriptPrall,A.ScriptMordent,A.ScriptMarcato,A.ScriptTenuto,A.ScriptPortato],se=[...K],ie=[...R,...D,...j,...H,A.NoteheadS0,A.NoteheadS1,A.NoteheadS2,...G,...Y,...X,...K,...Z],re={};R.forEach(e=>re[e]=1),L.forEach(e=>re[e]=1),H.forEach(e=>re[e]=.5),V.forEach(e=>re[e]=.5),G.forEach(e=>re[e]=.5),Z.forEach(e=>re[e]=.5);const ne={};F.forEach(e=>ne[e]=0),U.forEach(e=>ne[e]=0);class Token{constructor(e){Object.assign(this,e)}get typeId(){return this.type.split("|").reverse()[0]}get isPredicted(){return Number.isFinite(this.confidence)}get isNotehead(){return q.includes(this.type)||this.type===B.NoteheadS0}get isContexted(){return R.includes(this.type)||D.includes(this.type)||$.includes(this.type)||H.includes(this.type)}get isAccessory(){return j.includes(this.type)||Y.includes(this.type)||X.includes(this.type)||K.includes(this.type)}get division(){switch(this.type){case A.NoteheadS0:return 0;case A.NoteheadS1stemU:case A.NoteheadS1stemD:return 1;case A.NoteheadS2stemU:case A.NoteheadS2stemD:return 2;case A.Flag3:return 3;case A.Flag4:return 4;case A.Flag5:return 5;case A.Flag6:return 6;case A.Flag7:return 7;case A.Flag8:return 8;case A.RestM1:return-1;case A.Rest0:return 0;case A.Rest1:return 1;case A.Rest2:return 2;case A.Rest3:return 3;case A.Rest4:return 4;case A.Rest5:return 5;case A.Rest6:return 6}return null}get dots(){switch(this.type){case A.Dot:return 1;case A.DotDot:return 2}return null}get direction(){switch(this.type){case A.NoteheadS1stemU:case A.NoteheadS2stemU:return"u";case A.NoteheadS1stemD:case A.NoteheadS2stemD:return"d"}return null}get width(){switch(this.type){case A.NoteheadS0:return w.NoteheadS0;case A.NoteheadS1stemU:case A.NoteheadS1stemD:return w.NoteheadS1;case A.NoteheadS2stemU:case A.NoteheadS2stemD:return w.NoteheadS2}}get left(){switch(this.type){case A.NoteheadS0:return this.x-this.width/2;case A.NoteheadS1stemU:case A.NoteheadS2stemU:return this.x-this.width;case A.NoteheadS1stemD:case A.NoteheadS2stemD:return this.x}return this.x}get right(){switch(this.type){case A.NoteheadS0:return this.x+this.width/2;case A.NoteheadS1stemU:case A.NoteheadS2stemU:return this.x;case A.NoteheadS1stemD:case A.NoteheadS2stemD:return this.x+this.width}return this.x}get voiceIndices(){return!this.voice||this.voice<0?[]:Array(Math.floor(Math.log2(this.voice))+1).fill(null).reduce((e,t,s)=>this.voice&1<("object"==typeof e&&(e=JSON.stringify(e)),JSON.parse(e,(e,s)=>{if(s&&"object"==typeof s&&s.__prototype){const e=t[s.__prototype];if(e){const{__prototype:t,...i}=s;return new e(i)}}return s})),oe=(e,t=null)=>{if((t=t||new Map).get(e))return t.get(e);if(Array.isArray(e)){const s=[];return t.set(e,s),e.forEach(e=>s.push(oe(e,t))),s}if(e&&"object"==typeof e){const s={};return t.set(e,s),Object.entries(e).forEach(([e,i])=>s[e]=oe(i,t)),Object.setPrototypeOf(s,e.__proto__),s}return e};class SimpleClass{assign(e){e&&Object.assign(this,e)}toJSON(){const e=this.constructor,t=e.serializedKeys||e.blackKeys&&Object.keys(this).filter(t=>!e.blackKeys.includes(t)),s=t?v.default(this,t):this;return{__prototype:e.className,...s}}deepCopy(){return oe(this)}}var ce;!function(e){e.Ordinary="ordinary",e.Full="full",e.Conservative="conservative",e.Once="once"}(ce||(ce={}));const le=(e,t=ce.Ordinary)=>[].concat(...e.map(e=>e.serialize(t))),ue=(e,{withBrackets:t=!1}={})=>{let s="",i=!1;for(let t=0;t0&&!i&&(s+=", "),i=!1,s+=e[t].code)}return t?`[${s}]`:s};class SingleMLayout extends SimpleClass{static from(e){const t=new SingleMLayout;return t.measure=e,t}constructor(e=void 0){super(),this.assign(e)}serialize(){return[this.measure]}get seq(){return[this]}get code(){return this.measure.toString()}}SingleMLayout.className="SingleMLayout";class BlockMLayout extends SimpleClass{static trimSeq(e){const t=[];for(const s of e)if(s instanceof BlockMLayout)for(const e of s.seq)t.push(e);else t.push(s);const s=[];let i=null;for(const e of t)e instanceof SingleMLayout?e.measure>i&&(s.push(e),i=e.measure):s.push(e);return s}static fromSeq(e){const t=new BlockMLayout;return t.seq=BlockMLayout.trimSeq(e),t}constructor(e=void 0){super(),this.assign(e)}serialize(e){return le(this.seq,e)}get code(){return ue(this.seq,{withBrackets:!0})}}BlockMLayout.className="BlockMLayout";class VoltaMLayout extends SimpleClass{constructor(e=void 0){super(),this.assign(e)}serialize(e){const t=le(this.body);if(this.alternates){const s=this.alternates.map(e=>le(e)),i=s[s.length-1];switch(e){case ce.Ordinary:return t.concat(...s);case ce.Conservative:case ce.Full:return[...[].concat(...Array(this.times-1).fill(null).map((e,i)=>[...t,...s[i%(this.times-1)]])),...t,...i];case ce.Once:return[...t,...i]}}else switch(e){case ce.Ordinary:case ce.Conservative:case ce.Once:return t;case ce.Full:return[].concat(...Array(this.times).fill(null).map(()=>t))}console.warn("the current case not handled:",e,this)}get seq(){const e=this.alternates?this.alternates[this.alternates.length-1]:[];return[...this.body,...e]}get code(){const e=ue(this.body,{withBrackets:!0});let t=`${this.times}*${e}`;return this.alternates&&(t+="{"+this.alternates.map(e=>ue(e,{withBrackets:e.length>1})).join(", ")+"}"),t}}VoltaMLayout.className="VoltaMLayout";class ABAMLayout extends SimpleClass{constructor(e=void 0){super(),this.assign(e)}serialize(e){const t=this.main.serialize(e),s=le(this.main.seq,ce.Once),i=le(this.rest,e);switch(e){case ce.Ordinary:return[...t,...i];case ce.Once:return[...i,...s];case ce.Conservative:case ce.Full:return[...t,...i,...s];default:console.warn("the current case not handled:",e,this)}}get seq(){return[this.main,...this.rest]}get code(){return"<"+this.main.code+", "+ue(this.rest)+">"}}ABAMLayout.className="ABAMLayout";var he=Object.freeze({__proto__:null,get LayoutType(){return ce},SingleMLayout:SingleMLayout,BlockMLayout:BlockMLayout,VoltaMLayout:VoltaMLayout,ABAMLayout:ABAMLayout}),me=function(){var e=function(e,t,s,i){for(s=s||{},i=e.length;i--;s[e[i]]=t);return 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37:this.$=y(n[o-2],n[o-1])}},table:[{3:1,4:2,6:3,7:[1,4],8:[1,5],10:6,11:7,12:8,14:t,16:9,17:10,18:11,19:12,20:14,21:s,28:i},{1:[3]},{5:[1,17]},{5:[2,2]},{6:18,10:6,11:7,12:8,14:t,16:9,17:10,18:11,19:12,20:14,21:s,28:i},{9:19,14:r,21:n,28:a,30:20,31:21,32:22,33:23,34:24,35:25,36:27},{5:[2,5],13:o},e(c,[2,6]),e(c,[2,7]),e(c,[2,11]),e(c,[2,12]),e(c,[2,13]),e(c,[2,14]),e(c,l,{15:[1,31],23:u}),e(c,[2,16]),{11:33,14:[1,34],16:9,17:10,18:11,19:12,20:14,21:s,28:i},{10:35,11:7,12:8,14:t,16:9,17:10,18:11,19:12,20:14,21:s,28:i},{1:[2,1]},{5:[2,3]},{5:[2,4]},{5:[2,23],14:r,21:n,28:a,31:36,32:22,33:23,34:24,35:25,36:27},e(h,[2,24]),e(h,[2,26]),e(h,[2,27]),e(h,[2,28]),e(h,[2,29]),e(h,[2,30],{23:[1,37]}),e(h,[2,31]),{14:r,21:n,28:a,31:38,32:22,33:23,34:24,35:25,36:27},{14:r,21:n,28:a,30:39,31:21,32:22,33:23,34:24,35:25,36:27},{11:40,12:41,14:t,16:9,17:10,18:11,19:12,20:14,21:s,28:i},{14:[1,42]},{20:43,21:s},{13:[1,44]},{13:l,23:u},{13:o,22:[1,45]},e(h,[2,25]),{21:n,36:46},{14:r,21:n,28:a,30:47,31:21,32:22,33:23,34:24,35:25,36:27},{14:r,21:n,22:[1,48],28:a,31:36,32:22,33:23,34:24,35:25,36:27},e(c,[2,8]),e(c,[2,9]),e(c,[2,10]),e(c,[2,19],{24:49,25:50,26:[1,51]}),{10:52,11:7,12:8,14:t,16:9,17:10,18:11,19:12,20:14,21:s,28:i},e([5,13,22,26,27,29],[2,17]),e(h,[2,34],{37:53,38:54,26:[1,55]}),{14:r,21:n,28:a,29:[1,56],31:36,32:22,33:23,34:24,35:25,36:27},e([5,14,21,22,26,27,28,29],[2,32]),e(c,[2,18]),e(c,[2,20]),{10:57,11:7,12:8,14:t,16:9,17:10,18:11,19:12,20:14,21:s,28:i},{13:o,29:[1,58]},e(h,[2,33]),e(h,[2,35]),{14:r,21:n,28:a,30:59,31:21,32:22,33:23,34:24,35:25,36:27},e(h,[2,37]),{13:o,27:[1,60]},e(c,[2,22]),{14:r,21:n,27:[1,61],28:a,31:36,32:22,33:23,34:24,35:25,36:27},e(c,[2,21]),e(h,[2,36])],defaultActions:{3:[2,2],17:[2,1],18:[2,3],19:[2,4]},parseError:function(e,t){if(!t.recoverable){var s=new Error(e);throw s.hash=t,s}this.trace(e)},parse:function(e){var t=this,s=[0],i=[null],r=[],n=this.table,a="",o=0,c=0,l=r.slice.call(arguments,1),u=Object.create(this.lexer),h={yy:{}};for(var m in this.yy)Object.prototype.hasOwnProperty.call(this.yy,m)&&(h.yy[m]=this.yy[m]);u.setInput(e,h.yy),h.yy.lexer=u,h.yy.parser=this,void 0===u.yylloc&&(u.yylloc={});var f=u.yylloc;r.push(f);var d=u.options&&u.options.ranges;"function"==typeof h.yy.parseError?this.parseError=h.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var p,g,y,v,x,S,b,k,T=function(){var e;return"number"!=typeof(e=u.lex()||1)&&(e=t.symbols_[e]||e),e},w={};;){if(g=s[s.length-1],this.defaultActions[g]?y=this.defaultActions[g]:(null==p&&(p=T()),y=n[g]&&n[g][p]),void 0===y||!y.length||!y[0]){var M="";for(x in k=[],n[g])this.terminals_[x]&&x>2&&k.push("'"+this.terminals_[x]+"'");M=u.showPosition?"Parse error on line "+(o+1)+":\n"+u.showPosition()+"\nExpecting "+k.join(", ")+", got 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t={type:i,level:Number.isFinite(e.level)?e.level+1:0};s=Se(t,s),e.subs=e.subs||[],e.subs.push(t)}}else e.subs=e.subs||[],e.subs.push(ge(t))}for(;e.type===de.Default&&e.subs&&1===e.subs.length;){const t=e.subs[0];e.type=t.type,e.subs=t.subs,e.staff=t.staff,e.level=t.level}for(;e.subs&&1===e.subs.length&&e.subs[0].type===de.Default;){const t=e.subs[0];e.subs=t.subs,e.staff=t.staff}return e.grand=e.type===de.Brace&&e.subs&&e.subs.every(e=>e.staff),s},be=e=>e.staff?e.staff:e.subs?be(e.subs[0]):void 0,ke=e=>e.staff?e.staff:e.subs?ke(e.subs[e.subs.length-1]):void 0,Te=(e,t)=>{t[(e=>e.staff?e.staff:e.subs?`${be(e)}-${ke(e)}`:void 0)(e)]=e,e.subs&&e.subs.forEach(e=>Te(e,t))};class StaffLayout{constructor(e){const t=new Set;e.forEach((e,s)=>{e.id=((e,t,s)=>{let i=s;for(i?e.has(i)&&(i+="_"+t.toString()):i=t.toString();e.has(i);)i+="_"+xe();return i})(t,s+1,e.id),t.add(e.id)}),this.staffIds=e.map(e=>e.id),this.conjunctions=e.slice(0,e.length-1).map(e=>e.conjunction?ve[e.conjunction]:pe.Blank);const s=[].concat(...e.map(e=>[...e.leftBounds,e.id,...e.rightBounds]));this.group={type:de.Default},Se(this.group,s);const i={};Te(this.group,i),this.groups=Object.entries(i).map(([e,t])=>{let s=e.split("-");1===s.length&&(s=[s[0],s[0]]);return{group:t,range:s.map(e=>this.staffIds.indexOf(e)),key:e}}),this.maskCache=new Map}get stavesCount(){return this.staffIds?this.staffIds.length:null}get partGroups(){const e=this.groups.filter(e=>e.group.grand);return this.groups.filter(t=>{if(t.group.grand)return!0;if(t.range[0]===t.range[1]){const s=t.range[0];return!e.some(e=>e.range[0]<=s&&e.range[1]>=s)}return!1})}get standaloneGroups(){const e=[],t=s=>{s.grand?e.push(s.subs.map(e=>e.staff)):s.staff?e.push([s.staff]):s.subs&&s.subs.forEach(e=>t(e))};return t(this.group),e}conjunctionBetween(e,t){if(t<=e)return null;let s=pe.Solid;for(let i=e;it&1<({ids:e.staffIds.slice(t.range[0],t.range[1]+1).filter(e=>s.includes(e)),...t})).filter(({ids:e})=>e.length).map(({ids:e,...t})=>({key:t.key,group:t.group,range:[s.indexOf(e[0]),s.indexOf(e[e.length-1])]})),r=s.slice(0,s.length-1).map((t,i)=>{const r=s[i+1];return e.conjunctionBetween(e.staffIds.indexOf(t),e.staffIds.indexOf(r))});return{staffIds:s,conjunctions:r,groups:i}}mask(e){return this.maskCache.get(e)||this.maskCache.set(e,StaffLayout.makeMaskLayout(this,e)),this.maskCache.get(e)}partialMaskCode(e,t=!1){const s=this.staffIds.map((t,s)=>s(e[this.staffIds[s]]=t,e),{}),i=e=>{if(e.staff)return[s[e.staff]?e.staff:null,null===s[e.staff]];const t=e.subs.map(e=>i(e)),r=t.map(e=>e[0]).filter(Boolean).join(","),n=t.some(([e,t])=>t),a=r?((e,t=!1)=>{if(e===de.Default)return e=>e;if(t)switch(e){case de.Brace:return e=>`{${e}`;case de.Bracket:return e=>`<${e}`;case de.Square:return e=>`[${e}`;default:return e=>e}switch(e){case de.Brace:return e=>`{${e}}`;case de.Bracket:return e=>`<${e}>`;case de.Square:return e=>`[${e}]`;default:return e=>e}})(e.type,n)(r):null;return[a,n]};let[r]=i(this.group);return r=r||"",t||(r=r.replace(/[_\w]+/g,"")),r}}var we=function(){var e=function(e,t,s,i){for(s=s||{},i=e.length;i--;s[e[i]]=t);return s},t=[1,15],s=[1,16],i=[1,17],r=[1,11],n=[1,12],a=[1,13],o=[1,24],c=[1,25],l=[1,26],u=[5,11,12,13,15,16,17,21,22,23,24],h=[15,16,17,21,22,23,24],m=[11,12,13,15,16,17,21,22,23,24],f=[5,11,12,13,21,22,23,24],d={trace:function(){},yy:{},symbols_:{error:2,start_symbol:3,staff_layout:4,EOF:5,seq:6,seq_id:7,seq_br:8,seq_con:9,bound_left:10,"<":11,"[":12,"{":13,bound_right:14,">":15,"]":16,"}":17,bound_lefts:18,bound_rights:19,conjunction:20,"-":21,",":22,".":23,ID:24,seq_bl:25,$accept:0,$end:1},terminals_:{2:"error",5:"EOF",11:"<",12:"[",13:"{",15:">",16:"]",17:"}",21:"-",22:",",23:".",24:"ID"},productions_:[0,[3,2],[4,1],[6,0],[6,1],[6,1],[6,1],[10,1],[10,1],[10,1],[14,1],[14,1],[14,1],[18,1],[18,2],[19,1],[19,2],[20,1],[20,1],[20,1],[7,1],[7,2],[7,2],[7,2],[7,2],[25,1],[25,2],[25,2],[25,2],[8,2],[8,2],[8,2],[9,1],[9,2],[9,2],[9,2],[9,2]],performAction:function(e,t,s,i,r,n,a){var o=n.length-1;switch(r){case 1:return n[o-1];case 2:n[o].next(),this.$=n[o].toJSON();break;case 3:this.$=new Seq;break;case 13:case 15:this.$=[n[o]];break;case 14:case 16:this.$=[...n[o-1],n[o]];break;case 20:this.$=new Seq,this.$.tip.i(n[o]);break;case 21:case 23:n[o-1].next(),n[o-1].tip.i(n[o]),this.$=n[o-1];break;case 22:case 24:n[o-1].tip.i(n[o]),this.$=n[o-1];break;case 25:this.$=new Seq,this.$.tip.bl(n[o]);break;case 26:case 27:n[o-1].next(),n[o-1].tip.bl(n[o]),this.$=n[o-1];break;case 28:n[o-1].tip.bl(n[o]),this.$=n[o-1];break;case 29:case 30:case 31:n[o-1].tip.br(n[o]),this.$=n[o-1];break;case 32:this.$=new Seq,this.$.tip.con(n[o]),this.$.next();break;case 33:case 34:case 35:case 36:n[o-1].tip.con(n[o]),n[o-1].next(),this.$=n[o-1]}},table:[{3:1,4:2,5:[2,3],6:3,7:4,8:5,9:6,10:14,11:t,12:s,13:i,18:10,20:9,21:r,22:n,23:a,24:[1,7],25:8},{1:[3]},{5:[1,18]},{5:[2,2]},{5:[2,4],10:14,11:t,12:s,13:i,14:23,15:o,16:c,17:l,18:22,19:20,20:21,21:r,22:n,23:a,24:[1,19]},{5:[2,5],10:14,11:t,12:s,13:i,18:29,20:28,21:r,22:n,23:a,24:[1,27]},{5:[2,6],10:14,11:t,12:s,13:i,14:23,15:o,16:c,17:l,18:33,19:31,20:32,21:r,22:n,23:a,24:[1,30]},e(u,[2,20]),{14:23,15:o,16:c,17:l,19:35,20:36,21:r,22:n,23:a,24:[1,34]},e(u,[2,32]),e(h,[2,25],{10:37,11:t,12:s,13:i}),e(u,[2,17]),e(u,[2,18]),e(u,[2,19]),e(m,[2,13]),e(m,[2,7]),e(m,[2,8]),e(m,[2,9]),{1:[2,1]},e(u,[2,21]),e(f,[2,29],{14:38,15:o,16:c,17:l}),e(u,[2,33]),e(h,[2,26],{10:37,11:t,12:s,13:i}),e(u,[2,15]),e(u,[2,10]),e(u,[2,11]),e(u,[2,12]),e(u,[2,23]),e(u,[2,35]),e(h,[2,27],{10:37,11:t,12:s,13:i}),e(u,[2,24]),e(f,[2,31],{14:38,15:o,16:c,17:l}),e(u,[2,36]),e(h,[2,28],{10:37,11:t,12:s,13:i}),e(u,[2,22]),e(f,[2,30],{14:38,15:o,16:c,17:l}),e(u,[2,34]),e(m,[2,14]),e(u,[2,16])],defaultActions:{3:[2,2],18:[2,1]},parseError:function(e,t){if(!t.recoverable){var s=new Error(e);throw s.hash=t,s}this.trace(e)},parse:function(e){var t=this,s=[0],i=[null],r=[],n=this.table,a="",o=0,c=0,l=r.slice.call(arguments,1),u=Object.create(this.lexer),h={yy:{}};for(var m in this.yy)Object.prototype.hasOwnProperty.call(this.yy,m)&&(h.yy[m]=this.yy[m]);u.setInput(e,h.yy),h.yy.lexer=u,h.yy.parser=this,void 0===u.yylloc&&(u.yylloc={});var f=u.yylloc;r.push(f);var d=u.options&&u.options.ranges;"function"==typeof h.yy.parseError?this.parseError=h.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var p,g,y,v,x,S,b,k,T=function(){var e;return"number"!=typeof(e=u.lex()||1)&&(e=t.symbols_[e]||e),e},w={};;){if(g=s[s.length-1],this.defaultActions[g]?y=this.defaultActions[g]:(null==p&&(p=T()),y=n[g]&&n[g][p]),void 0===y||!y.length||!y[0]){var M="";for(x in k=[],n[g])this.terminals_[x]&&x>2&&k.push("'"+this.terminals_[x]+"'");M=u.showPosition?"Parse error on line "+(o+1)+":\n"+u.showPosition()+"\nExpecting "+k.join(", ")+", got '"+(this.terminals_[p]||p)+"'":"Parse error on line "+(o+1)+": Unexpected "+(1==p?"end of input":"'"+(this.terminals_[p]||p)+"'"),this.parseError(M,{text:u.match,token:this.terminals_[p]||p,line:u.yylineno,loc:f,expected:k})}if(y[0]instanceof Array&&y.length>1)throw new Error("Parse Error: multiple actions possible at state: "+g+", token: "+p);switch(y[0]){case 1:s.push(p),i.push(u.yytext),r.push(u.yylloc),s.push(y[1]),p=null,c=u.yyleng,a=u.yytext,o=u.yylineno,f=u.yylloc;break;case 2:if(S=this.productions_[y[1]][1],w.$=i[i.length-S],w._$={first_line:r[r.length-(S||1)].first_line,last_line:r[r.length-1].last_line,first_column:r[r.length-(S||1)].first_column,last_column:r[r.length-1].last_column},d&&(w._$.range=[r[r.length-(S||1)].range[0],r[r.length-1].range[1]]),void 0!==(v=this.performAction.apply(w,[a,c,o,h.yy,y[1],i,r].concat(l))))return v;S&&(s=s.slice(0,-1*S*2),i=i.slice(0,-1*S),r=r.slice(0,-1*S)),s.push(this.productions_[y[1]][0]),i.push(w.$),r.push(w._$),b=n[s[s.length-2]][s[s.length-1]],s.push(b);break;case 3:return!0}}return!0}};class Item{constructor(){this.id=null,this.leftBounds=[],this.rightBounds=[],this.conjunction=null}i(e){return this.id=e,this}bl(e){return this.leftBounds=e,this}br(e){return this.rightBounds=e,this}con(e){return this.conjunction=e,this}}class Seq{constructor(){this.body=[],this.tip=new Item}next(){return this.body.push(this.tip),this.tip=new Item,this}toJSON(){return this.body}}var p={EOF:1,parseError:function(e,t){if(!this.yy.parser)throw new Error(e);this.yy.parser.parseError(e,t)},setInput:function(e,t){return this.yy=t||this.yy||{},this._input=e,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var e=this._input[0];return this.yytext+=e,this.yyleng++,this.offset++,this.match+=e,this.matched+=e,e.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),e},unput:function(e){var t=e.length,s=e.split(/(?:\r\n?|\n)/g);this._input=e+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-t),this.offset-=t;var i=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),s.length-1&&(this.yylineno-=s.length-1);var r=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:s?(s.length===i.length?this.yylloc.first_column:0)+i[i.length-s.length].length-s[0].length:this.yylloc.first_column-t},this.options.ranges&&(this.yylloc.range=[r[0],r[0]+this.yyleng-t]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(e){this.unput(this.match.slice(e))},pastInput:function(){var e=this.matched.substr(0,this.matched.length-this.match.length);return(e.length>20?"...":"")+e.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var e=this.match;return e.length<20&&(e+=this._input.substr(0,20-e.length)),(e.substr(0,20)+(e.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var e=this.pastInput(),t=new Array(e.length+1).join("-");return e+this.upcomingInput()+"\n"+t+"^"},test_match:function(e,t){var s,i,r;if(this.options.backtrack_lexer&&(r={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(r.yylloc.range=this.yylloc.range.slice(0))),(i=e[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=i.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:i?i[i.length-1].length-i[i.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+e[0].length},this.yytext+=e[0],this.match+=e[0],this.matches=e,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(e[0].length),this.matched+=e[0],s=this.performAction.call(this,this.yy,this,t,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),s)return s;if(this._backtrack){for(var n in r)this[n]=r[n];return!1}return!1},next:function(){if(this.done)return this.EOF;var e,t,s,i;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var r=this._currentRules(),n=0;nt[0].length)){if(t=s,i=n,this.options.backtrack_lexer){if(!1!==(e=this.test_match(s,r[n])))return e;if(this._backtrack){t=!1;continue}return!1}if(!this.options.flex)break}return t?!1!==(e=this.test_match(t,r[i]))&&e:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var e=this.next();return e||this.lex()},begin:function(e){this.conditionStack.push(e)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(e){return(e=this.conditionStack.length-1-Math.abs(e||0))>=0?this.conditionStack[e]:"INITIAL"},pushState:function(e){this.begin(e)},stateStackSize:function(){return this.conditionStack.length},options:{},performAction:function(e,t,s,i){switch(s){case 0:break;case 1:return t.yytext;case 2:return 24;case 3:return 5}},rules:[/^(?:\s+)/,/^(?:([-,.\[\]<>{}]))/,/^(?:([a-zA-Z_0-9]+))/,/^(?:$)/],conditions:{INITIAL:{rules:[0,1,2,3],inclusive:!0}}};function g(){this.yy={}}return d.lexer=p,g.prototype=d,d.Parser=g,new g}();we.Parser;we.Parser;var Me=function(){return we.parse.apply(we,arguments)};const Ee=e=>{const t=Me(e);return new StaffLayout(t)};class DummyLogger{debug(...e){}group(...e){}groupCollapsed(...e){}groupEnd(){}info(...e){}warn(...e){}assert(...e){}}const Ne=(e,t,s=-1/0)=>Math.max(Math.round(e/t)*t,s),Ie=(e,t)=>{const s=e.x-t.x,i=e.y-t.y;return Math.sqrt(s*s+i*i)},Ce=(e,t)=>Number.isInteger(e)&&Number.isInteger(t)?0===t?e:Ce(t,e%t):(console.error("non-integer gcd:",e,t),1),_e=(e,t)=>({numerator:e,denominator:t}),Oe=(e,t)=>{e=Math.round(e),t=Math.round(t);const s=0!==e?Ce(e,t):t;return _e(e/s,t/s)},Be=e=>`${e.numerator}/${e.denominator}`,Ae=(e,t)=>t?e*t.numerator/t.denominator:e,Pe=(e,t)=>{const s=[...e].sort((e,s)=>e[t]-s[t]);let i=null,r=null;return s.reduce((e,n,a)=>(r?n[t]-r[t]<.4?i.push(n):(i.length>1&&e.push(i),r=n,i=[n]):(r=n,i=[n]),i.length>1&&a===s.length-1&&e.push(i),e),[])},Re=e=>{if(e.length<=1)return[];let t=e.slice(1);const s=I.find(t=>t.includes(e[0].semantic));if(!s)return Re(t);const i=t.filter(e=>s.includes(e.semantic));return t=t.filter(e=>!s.includes(e.semantic)),[...i,...Re(t)]},De=e=>{const t=new Set(e),s=Pe(e,"x"),i=[].concat(...s.map(e=>Pe(e,"y")));return i.forEach(e=>e.sort((e,t)=>t.confidence-e.confidence)),i.forEach(e=>{Re(e).forEach(e=>t.delete(e))}),Array.from(t)},Fe=[0,2,4,5,7,9,11],Le=({note:e,alter:t})=>{const s=Math.floor(e/7),i=(e=>{let t=e%7;for(;t<0;)t+=7;return t})(e);return 60+12*s+Fe[i]+t},$e=e=>{const t=Math.max(...e);return e.indexOf(t)},je=1920;var He,Ve,ze,qe,Ge,We;!function(e){e.Up="^",e.Down="_",e.Middle="-"}(He||(He={})),function(e){e.Grace="grace",e.AfterGrace="afterGrace",e.Acciaccatura="acciaccatura",e.Appoggiatura="appoggiatura",e.SlashedGrace="slashedGrace"}(Ve||(Ve={})),function(e){e.Open="Open",e.Close="Close",e.Continue="Continue"}(ze||(ze={})),function(e){e.Pitcher="Pitcher",e.Catcher="Catcher",e.Pierced="Pierced"}(qe||(qe={})),function(e){e.Normal="normal",e.DashedLine="dashed-line",e.DottedLine="dotted-line",e.Zigzag="zigzag",e.Trill="trill"}(Ge||(Ge={})),function(e){e.Normal="Normal",e.Bracket="Bracket",e.Parenthesis="Parenthesis",e.ParenthesisDashed="ParenthesisDashed",e.ArrowDown="ArrowDown"}(We||(We={}));class Term extends SimpleClass{}class EventTerm extends Term{static space({tick:e,duration:t}){const s=new EventTerm({rest:"s",tick:e,accessories:[]});return s.duration=Math.round(t),s}constructor(e){super(),super.assign(e),Object.assign(this,e),Number.isFinite(e.left)&&Number.isFinite(e.right)&&(this.x=(this.left+this.right)/2),Number.isFinite(this.pivotX)||(this.pivotX=this.x)}get alignedTick(){return this.grace?this.tick+this.duration:this.tick}get mainDuration(){return je*2**-this.division*(2-2**-this.dots)}get duration(){let e=this.mainDuration;return this.multiplier&&(e*=this.multiplier.numerator/this.multiplier.denominator),this.timeWarp&&(e*=this.timeWarp.numerator/this.timeWarp.denominator),this.grace?e/8:e}set duration(e){console.assert(Number.isFinite(e),"invalid duration value:",e);const t=Ce(e,128),s=Math.log2(128/t),i=Oe(e*2**s,je);this.division=s,this.dots=0,i.numerator!==i.denominator?this.multiplier=i:this.multiplier=void 0}get prior(){return this.tick}get times(){return this.timeWarp?`${this.timeWarp.numerator}/${this.timeWarp.denominator}`:null}get fullMeasureRest(){return"R"===this.rest}get tipX(){return this.tip?this.tip.x:this.x}get tipY(){return this.tip?this.tip.y:this.ys?this.ys[0]:0}get tremoloCatcher(){return this.tremoloLink===qe.Catcher}get scaleChord(){return this.pitches.map(e=>"CDEFGAB"[(e.note+700)%7]).join("")}get zeroHolder(){return!!this.grace||this.tremoloCatcher}}var Ue;EventTerm.className="EventTerm",function(e){e[e.Clef=0]="Clef",e[e.KeyAcc=1]="KeyAcc",e[e.Acc=2]="Acc",e[e.OctaveShift=3]="OctaveShift",e[e.TimeSignatureC=4]="TimeSignatureC",e[e.TimeSignatureN=5]="TimeSignatureN"}(Ue||(Ue={}));class ContextedTerm extends Term{constructor(e){super(),Object.assign(this,e)}get type(){return R.includes(this.tokenType)?Ue.Clef:/\|key-/.test(this.tokenType)?Ue.KeyAcc:/accidentals-/.test(this.tokenType)?Ue.Acc:$.includes(this.tokenType)?Ue.OctaveShift:F.includes(this.tokenType)?Ue.TimeSignatureC:L.includes(this.tokenType)?Ue.TimeSignatureN:null}get staffLevel(){return[Ue.OctaveShift,Ue.Clef,Ue.KeyAcc].includes(this.type)}get prior(){return this.tick-.1}get clef(){switch(this.tokenType){case B.ClefG:return-this.y-2;case B.ClefF:return 2-this.y;case B.ClefC:return-this.y}return null}get alter(){switch(this.tokenType){case B.AccNatural:case B.KeyNatural:return 0;case B.AccSharp:case B.KeySharp:return 1;case B.AccFlat:case B.KeyFlat:return-1;case B.AccDoublesharp:return 2;case B.AccFlatflat:return-2}return null}get octaveShift(){switch(this.tokenType){case B.OctaveShift8va:return-1;case B.OctaveShift0:return 0;case B.OctaveShift8vb:return 1}return null}get number(){switch(this.tokenType){case B.TimesigZero:return 0;case B.TimesigOne:return 1;case B.TimesigTwo:return 2;case B.TimesigThree:return 3;case B.TimesigFour:return 4;case B.TimesigFive:return 5;case B.TimesigSix:return 6;case B.TimesigSeven:return 7;case B.TimesigEight:return 8;case B.TimesigNine:return 9}return null}}ContextedTerm.className="ContextedTerm";class MarkTerm extends Term{get prior(){return this.tick+.01}}MarkTerm.className="MarkTerm";const Ye=Array(7).fill(0).map((e,t)=>String.fromCodePoint(119133+t));class TempoTerm extends MarkTerm{static fromNumeralText(e){if(/.+=.*\d+/.test(e)){const[t,s]=e.split("=");let i=Ye.findIndex(e=>t.includes(e));i=i>=0?i:2;let r=(2**i).toString();return t.includes(".")&&(r+="."),new TempoTerm({tick:0,duration:r,beats:s})}return null}constructor(e){super(),Object.assign(this,e)}get prior(){return this.tick-.01}get durationMagnitude(){const[e,t,s]=this.duration.match(/^(\d+)(\.)?$/);return je/Number(t)*(s?1.5:1)}get bpm(){const[e]=this.beats.match(/\d+/)||[90];return Number(e)*this.durationMagnitude*4/je}isValid(e=[10,400]){const t=this.bpm;return Number.isFinite(this.bpm)&&t>=e[0]&&t{if(!e.regulated)return;const t=e.eventMap,s=e.events.length,i=e.voices.flat(1).length,r=e.events.filter(e=>e.timeWarp).length,n=new Set(e.events.filter(e=>e.timeWarp&&!(e.rest&&0===e.division)).map(e=>`${e.timeWarp.numerator}/${e.timeWarp.denominator}`)),a=new Set(n);a.delete("2/3");const o=e.voices.some(e=>{const s=e.map(e=>t[e]);if(!s.some(e=>e.timeWarp))return!1;let i=0,r=0,n=0;return s.some((e,t)=>{const a=e.timeWarp?e.timeWarp.denominator:0;if(a!==i){if(i>0&&(r%i||n<2))return!0;r=0,n=0}return i=a,r+=e.duration,++n,!!(t===s.length-1&&i>0&&(r%i||n<2))})}),c=e.voices.some(e=>{const s=e.map(e=>t[e]);let i=0;return s.some(e=>!e.grace&&(e.ticke.timeWarp&&e.timeWarp.denominator>3).map(e=>e.duration)).size>1,u=Ae(je,e.timeSignature),h=e.doubtfulTimesig?e.duration:u,m=e.voices.flat(1).map(e=>t[e]),f=m.some(e=>!e||!Number.isFinite(e.tick)||!Number.isFinite(e.division)||e.division<0||!Number.isFinite(e.duration)||e.duration<=0),d=m.reduce((e,t)=>e||t.tick<0||t.tick+t.duration>h,!1),p=e.duration>u,g=m.some(e=>e.grace),y=e.events.filter(e=>e.grace).length,v=y>=m.length,x=m.some(e=>{let t=e.tick*2**(e.division+2);if(e.timeWarp&&(t*=e.timeWarp.denominator),!Number.isFinite(t))return!0;return Ce(Math.round(t),je)e.reduce(({status:e,broken:s},i)=>{const r=t[i];return r.beam&&(e+=Xe[r.beam],s=s||!(e>=0&&e<=1)),{status:e,broken:s}},{status:0,broken:!1})).some(({status:e,broken:t})=>e||t);let b=0,k=0;e.voices.forEach(s=>{const i=s.reduce((e,s)=>e+t[s].duration,0);b+=Math.max(0,e.duration-i),k+=Math.max(0,i-e.duration)}),b/=je;const T=e.events.filter(e=>!(e.grace||e.fullMeasureRest||e.tremoloCatcher||e.predisposition&&!(e.predisposition.fakeP<.1)||Number.isFinite(e.tick))).length,w=e.events.filter(e=>!(e.fullMeasureRest||e.grace||e.tremoloCatcher||m.includes(e))).length,{voiceRugged:M}=e.voices.flat(1).reduce((e,t)=>!e.voiceRugged&&e.es.has(t)?{voiceRugged:!0,es:e.es}:(e.es.add(t),e),{voiceRugged:!1,es:new Set}),E=e.tickTwist||0,N=f||E>=1||c||M||e.tickRatesInStaves.some(e=>e<0)||T>2||!e.timeSignature||d||e.duration>h||e.events.some(e=>e.timeWarp&&e.timeWarp.numerator/e.timeWarp.denominator<=.5),I=!N&&!p&&E<.2&&!o&&!a.size&&!x&&!b&&!k&&!!e.voices.length&&!S&&!g&&!v&&(e.duration===h||Number.isFinite(e.estimatedDuration)&&e.estimatedDuration<=.75*h),C=!(N||p||!(E<.3)||o||x||k||S||g);let _=Math.min(h,3840);Number.isFinite(e.estimatedDuration)&&(_=Math.max(0,Math.min(_,e.estimatedDuration)));const O=e.duration/_;let B=0;if(e.patched&&!f)B=1;else if(!N){const t=Math.tanh(1*Math.abs(b/Math.max(1,e.voices.length)));let s=Math.min(h,3840);Number.isFinite(e.estimatedDuration)&&(s=Math.max(0,Math.min(s,e.estimatedDuration)));B=(1-t)*(1-(s?Math.max(0,1-O)**2:0))*(1-Math.tanh(a.size))*(1-E**2)}return{events:s,validEvents:i,voiceRugged:M,nullEvents:T,fakeEvents:w,warpedEvents:r,complicatedTimewarp:l,spaceTime:b,surplusTime:k,durationRate:O,beamBroken:S,fractionalWarp:o,irregularWarpsN:a.size,irregularTick:x,tickTwist:E,tickOverlapped:c,graceInVoice:g,graceN:y,graceDominant:v,perfect:I,fine:C,error:N,qualityScore:B}};class SemanticGraph extends SimpleClass{constructor(e){super(),super.assign(e)}static fromPoints(e=[]){const t=new SemanticGraph;return t.points=e,t}getLayer(e){return this.points.filter(t=>t.semantic===e)}getConfidentLayer(e,t){return this.points.filter(s=>s.semantic===e&&(!Number.isFinite(s.confidence)||s.confidence>=t))}getSystemPoints(){return this.points.filter(e=>E.includes(e.semantic))}getStaffPoints(){return this.points.filter(e=>!E.includes(e.semantic))}offset(e,t){this.points.forEach(s=>{s.x+=e,s.y+=t})}scale(e){this.points.forEach(t=>{t.x*=e,t.y*=e})}transform(e){this.points.forEach(t=>{let s=t.x*e[0][0]+t.y*e[1][0]+e[2][0];const i=t.x*e[0][1]+t.y*e[1][1]+e[2][1];if(t.extension){if(Number.isFinite(t.extension.y1)){const i=t.x*e[0][1]+t.extension.y1*e[1][1]+e[2][1],r=t.x*e[0][1]+t.extension.y2*e[1][1]+e[2][1];s=t.x*e[0][0]+.5*(t.extension.y1+t.extension.y2)*e[1][0]+e[2][0],t.extension.y1=i,t.extension.y2=r}if(Number.isFinite(t.extension.width)){const s=Math.sqrt(e[0][0]*e[1][1]-e[0][1]*e[1][0]);t.extension.width*=s,t.extension.height*=s}}t.x=s,t.y=i})}}SemanticGraph.className="SemanticGraph";const Ze=[g.ClefG,g.ClefF,g.ClefC,g.TimesigC44,g.TimesigC22,g.TimesigZero,g.TimesigOne,g.TimesigTwo,g.TimesigThree,g.TimesigFour,g.TimesigFive,g.TimesigSix,g.TimesigSeven,g.TimesigEight,g.TimesigNine,g.OctaveShift8va,g.OctaveShift8vb,g.OctaveShift0,g.Zero,g.One,g.Two,g.Three,g.Four,g.Five,g.Six,g.Seven,g.Eight,g.Nine,g.AccNatural,g.AccSharp,g.AccDoublesharp,g.AccFlat,g.AccFlatflat,g.NoteheadS0,g.NoteheadS1,g.NoteheadS2,g.NoteheadS1stemU,g.NoteheadS1stemD,g.NoteheadS2stemU,g.NoteheadS2stemD,g.Rest0,g.Rest1,g.Rest2,g.Rest3,g.Rest4,g.Rest5,g.Rest6,g.Rest0W,g.RestM1,g.SlurBegin,g.SlurEnd,g.Dot,g.f,g.p,g.m,g.n,g.r,g.s,g.z,g.ScriptFermata,g.ScriptShortFermata,g.ScriptSforzato,g.ScriptStaccato,g.ScriptStaccatissimo,g.ScriptTurn,g.ScriptTrill,g.ScriptSegno,g.ScriptCoda,g.ScriptArpeggio,g.ScriptPrall,g.ScriptMordent,g.ScriptMarcato,g.ScriptTenuto,g.ScriptPortato,g.PedalStar,g.PedalPed,g.GraceNotehead,g.BeamLeft,g.BeamRight,g.BeamContinue,g.CrescendoBegin,g.CrescendoEnd,g.DecrescendoBegin,g.DecrescendoEnd,g.TremoloLeft,g.TremoloRight,g.TremoloMiddle],Je=[g.AccNatural,g.AccSharp,g.AccDoublesharp,g.AccFlat,g.AccFlatflat,g.NoteheadS0,g.NoteheadS1,g.NoteheadS2,g.NoteheadS1stemU,g.NoteheadS1stemD,g.NoteheadS2stemU,g.NoteheadS2stemD],Qe=[g.SignLined,g.SignInterval],et=[g.NoteheadS1,g.NoteheadS2],tt={AccSharp:B.KeySharp,AccNatural:B.KeyNatural,AccFlat:B.KeyFlat},st={[g.NoteheadS1]:{up:g.NoteheadS1stemU,down:g.NoteheadS1stemD},[g.NoteheadS2]:{up:g.NoteheadS2stemU,down:g.NoteheadS2stemD}},it=[g.Rest0,g.Rest1,g.Rest2,g.Rest3,g.Rest4,g.Rest5,g.Rest6],rt={[B.BeamLeft]:"Open",[B.BeamRight]:"Close",[B.BeamContinue]:"Continue"},nt={Alter1:p.Alternation1,Alter2:p.Alternation2},at=(e,t)=>{switch(e.length){case 0:return;case 1:return e[0];case 2:return"u"===t?Math.min(...e):Math.max(...e);default:{const s=e.reduce((e,t)=>e+t,0)/e.length;return e.sort((e,t)=>Math.abs(e-s)-Math.abs(t-s)),at(e.slice(0,e.length-1),t)}}};class Measure extends SimpleClass{constructor(e){super(),super.assign(e),this.tokens=this.tokens||[],this.antiTokens=this.antiTokens||[],this.barTypes=this.barTypes||{}}get right(){return this.left+this.width}get noteheads(){return this.tokens.filter(e=>e.isNotehead).sort((e,t)=>e.x-t.x)}get chordRects(){const e=this.noteheads.filter(e=>[B.NoteheadS0,B.NoteheadS1stemU,B.NoteheadS2stemU,B.NoteheadS1stemD,B.NoteheadS2stemD].includes(e.type));let t=0;const s=e.reduce((e,s)=>{const i=s.tip?`${s.tip.x}|${s.tip.y}`:`nul${t}`;let r=`${s.type}|${i}`;return!s.tip&&e[r]&&(e[r].some(e=>Math.abs(e.x-s.x){const t=Math.min(...e.map(e=>e.x)),s=Math.max(...e.map(e=>e.x)),i=Math.min(...e.map(e=>e.y)),r=Math.max(...e.map(e=>e.y)),n=e[0],a=n&&n.tip?n.tip.x:t;let o=t,c=s-t,l=null;switch(n.type){case B.NoteheadS0:o-=w.NoteheadS0/2,c+=w.NoteheadS0;break;case B.NoteheadS1stemU:case B.NoteheadS2stemU:l="u",o-=w.NoteheadS1,c+=w.NoteheadS1;break;case B.NoteheadS1stemD:case B.NoteheadS2stemD:l="d",c+=w.NoteheadS1}return{x:o,width:c,stemX:a,stemDirection:l,top:i,bottom:r,tip:n.tip}})}get timeWarped(){return this.tokens&&this.tokens.some(e=>e.timeWarped)}get additionalLines(){const e=this.getChords();return[...e.filter(e=>e.ys.some(e=>e<=-3)).map(e=>({left:e.left,right:e.right,n:Math.ceil(Math.min(...e.ys))+2})),...e.filter(e=>e.ys.some(e=>e>=3)).map(e=>({left:e.left,right:e.right,n:Math.floor(Math.max(...e.ys))-2}))].map(e=>({left:e.left-.28,right:e.right+.28,n:e.n}))}getChords(){const e=this.tokens.filter(e=>W.includes(e.type)),t=this.tokens.filter(e=>Z.includes(e.type)),s=this.tokens.filter(e=>Q.includes(e.type)),i=this.chordRects.map(e=>{const t=this.noteheads.filter(t=>t.direction===e.stemDirection&&t.left>=e.x&&t.right<=e.x+e.width+.2&&t.y>=e.top&&t.y<=e.bottom);t.sort((e,t)=>t.y-e.y);const s=t.map(e=>e.y),i=t.map(e=>e.id),r=t.reduce((e,t)=>Math.max(e,t.division),0);return{rect:e,left:e.x,right:e.x+e.width,pivotX:(n=t,at(n.map(e=>Number.isFinite(e.pivotX)?e.pivotX:e.x),n[0].direction)),ys:s,tip:e.tip,noteIds:i,division:r,dots:null,rest:!1,stemDirection:e.stemDirection,beam:null};var n}).sort((e,t)=>t.left-e.left),r=new Set,n=i.map(({rect:i,...n})=>{if(n.division>=1){const t=[i.bottom,i.top];switch(i.stemDirection){case"u":t[0]=i.tip?i.tip.y-.2:i.top-6-.5;break;case"d":t[1]=i.tip?i.tip.y+.2:i.bottom+6+.5}const a=e.filter(e=>!r.has(e.id)&&e.x>i.stemX-.2&&e.xt[0]&&e.yMath.max(e,t.division),n.division),a.forEach(e=>r.add(e.id));const o=i.tip&&s.find(e=>Math.abs(i.tip.x-e.x)<.3&&Math.abs(i.tip.y-e.y)<.7);o&&(n.beam=rt[o.type])}const a=t.filter(e=>!r.has(e.id)&&e.x>i.x+i.width-.2&&e.xi.top-1&&e.y<=i.bottom+.5);return n.dots=a.reduce((e,t)=>Math.max(e,t.dots),0),a.forEach(e=>r.add(e.id)),n});return n.reverse(),n}getRests(){const e=this.tokens.filter(e=>G.includes(e.type)),t=this.tokens.filter(e=>Z.includes(e.type));return e.map(e=>{const s=t.filter(t=>t.x>e.x+.5&&t.xe.y-1&&t.yMath.max(e,t.dots),0);return{left:e.x-.75,right:e.x+.75,pivotX:e.x,rest:!0,ys:[e.y],noteIds:[e.id],dots:s,division:e.division,stemDirection:null}})}getEvents(){return[...this.getChords(),...this.getRests()].sort((e,t)=>e.left-t.left)}getContexts(e={}){return this.tokens.filter(e=>e.isContexted).sort((e,t)=>e.x-t.x).map(t=>new ContextedTerm({x:t.x,y:t.y,tokenType:t.type,...e}))}assignAccessoriesOnEvents(e){e.forEach(e=>e.accessories=e.accessories||[]);this.tokens.filter(e=>te.includes(e.type)).forEach(t=>{const s=e.filter(e=>t.x>e.left-1&&t.x0){let e=s[0];s.length>1&&(e=s.map(e=>({event:e,d:Math.min(...e.ys.map(e=>Math.abs(e-t.y)))})).sort(({d:e},{d:t})=>e-t).map(({event:e})=>e)[0]);let i=t.y>Math.max(...e.ys)?He.Down:He.Up;se.includes(t.type)&&(i=null),e.accessories.push({type:t.type,id:t.id,direction:i,x:t.x-e.left})}});const t=[...e];t.sort((e,t)=>e.left-t.left);this.tokens.filter(e=>e.type===B.ScriptArpeggio).forEach(e=>{const s=t.find(t=>e.xtt>e.y));s&&s.accessories.push({type:B.ScriptArpeggio,id:e.id,x:e.x-s.left})});this.tokens.filter(e=>e.type===B.GraceNotehead).forEach(t=>{const s=e.find(e=>t.x>e.left&&t.xMath.abs(t.y-e)<.4));s&&(s.grace=Ve.Grace)});const s=this.tokens.filter(e=>e.type===B.TremoloLeft),i=this.tokens.filter(e=>e.type===B.TremoloRight),r=this.tokens.filter(e=>e.type===B.TremoloMiddle),n=e.filter(e=>!e.rest).map(e=>{const t=[...e.ys];e.tip?t.push(e.tip.y):(t.push(e.ys[0]+2),t.push(e.ys[e.ys.length-1]-2));const s=e.tip?e.tip.x:e.left,i=e.tip?e.tip.x:e.right;return{event:e,top:Math.min(...t),bottom:Math.max(...t),stemL:s,stemR:i}});r.forEach(e=>{const t=n.find(t=>!!t.event.tip&&(e.y>t.top&&e.y{const t=n.find(t=>e.y>t.top&&e.yt.stemR&&e.x{const t=n.find(t=>e.y>t.top&&e.yt.stemL-1.6);t&&(t.event.tremolo=t.event.tremolo||2,++t.event.tremolo,t.event.tremoloLink=qe.Catcher)})}assignFeaturesOnEvents(e,t){const s=t.filter(e=>e.x>this.left&&e.xit.includes(e.semantic)),r=s.filter(e=>e.semantic===g.Flag3),n=s.filter(e=>e.semantic===g.Dot),a=s.filter(e=>e.semantic===g.BeamLeft),o=s.filter(e=>e.semantic===g.BeamContinue),c=s.filter(e=>e.semantic===g.BeamRight),l=s.filter(e=>e.semantic===g.GraceNotehead),u=s.filter(e=>e.semantic===g.TremoloRight),h=s.filter(e=>e.semantic===g.vline_Stem),m=s.filter(e=>e.semantic===g.NoteheadS0),f=s.filter(e=>e.semantic===g.NoteheadS1),d=s.filter(e=>e.semantic===g.NoteheadS2);e.forEach(e=>{const t=e.tip?e.tip.x:(e.left+e.right)/2,s=e.tip?Math.min(e.tip.y,e.ys[e.ys.length-1]):e.ys[e.ys.length-1],p=e.tip?Math.max(e.tip.y,e.ys[0]):e.ys[0],g=e.tip?e.tip.x:e.left,y=[0,0,0,0,0,0,0];if(e.rest){i.filter(s=>Ie(s,{x:t,y:e.ys[0]})<.5).forEach(e=>{const t=it.indexOf(e.semantic);y[t]=Math.max(y[t],e.confidence)})}else{const i=[m,f,d].map(t=>t.filter(t=>t.x>e.left&&t.xs-.25&&t.yMath.max(0,...e.map(e=>e.confidence))),n=r.filter(e=>e.y>s-.2&&e.yt.confidence-e.confidence),y[0]=i[0],y[1]=i[1],y[2]=i[2],Array(y.length-3).fill(0).forEach((e,t)=>y[3+t]=n[t]?n[t].confidence:0)}const v=n.filter(s=>s.x>t&&s.xv.some(t=>e.x>t.x&&Math.abs(e.y-t.y)<.2)),S=[Math.max(0,...v.map(e=>e.confidence)),Math.max(0,...x.map(e=>e.confidence))],b=[a,o,c].map(e=>e.filter(e=>Math.abs(e.x-t)<.2&&e.y>s-.2&&e.yMath.max(0,...e.map(e=>e.confidence))),k=h.filter(s=>Ie({x:t,y:e.ys[0]},{x:s.x,y:s.extension.y2})<.5),T=h.filter(s=>Ie({x:t,y:e.ys[e.ys.length-1]},{x:s.x,y:s.extension.y1})<.5),w=[Math.max(0,...k.map(e=>e.confidence)),Math.max(0,...T.map(e=>e.confidence))],M=l.filter(s=>Math.abs(s.x-t)<.6&&e.ys.some(e=>Math.abs(s.y-e)<.4)),E=Math.max(0,...M.map(e=>e.confidence)),N=0===e.division?u.filter(t=>t.x>e.left-2&&t.xe.y>s-.04&&e.yg-2&&e.xe.confidence));e.feature={divisions:y,dots:S,beams:b,stemDirections:w,grace:E,tremoloCatcher:I}})}}Measure.className="Measure",Measure.blackKeys=["tokens","antiTokens"];class Staff extends SimpleClass{constructor({measureCount:e=null,measureBars:t=null,...s}={}){if(super(),super.assign(s),this.height=this.height||10,this.staffY=this.staffY||5,t){let e=0;this.measures=t.map(t=>{const s=new Measure({left:e,width:t-e,height:this.height});return e=t,s})}else this.measures=e?Array(e).fill(null).map(()=>new Measure):[]}get noteRange(){const e=[].concat(...this.measures.map(e=>e.noteheads)).map(e=>e.y);return{top:Math.min(-2,...e),bottom:Math.max(2,...e)}}get additionalLines(){return[].concat(...this.measures.map(e=>e.additionalLines))}rearrangeMeasures(e){if(!e.length)return void console.warn("rearrangeMeasures error, measureBars are empty.");const t=this.measures?.map(e=>e.tokens).flat(1)||[];let s=0;this.measures=e.map(e=>{const t=new Measure({left:s,width:e-s,height:this.height});return s=e,t}),this.reassignTokens(t)}reassignTokens(e=null){e||(e=[].concat(...this.measures.map(e=>e.tokens))),this.measures.forEach(e=>e.tokens=[]),e.forEach(e=>{for(const t of this.measures)if(e.xe.semantic===g.TempoNotehead).forEach(e=>{const t=i.findIndex(t=>/^Notehead/.test(t.semantic)&&Ie(e,t)<.3);t>=0&&i.splice(t,1)});const r=e=>t.displacementSemantics?.[e]?this.semantics.find(t=>t.id===e):null;i.filter(e=>Ze.includes(e.semantic)).forEach(e=>this.appendPoint(e,{points:i}));const n=i.filter(e=>e.semantic===g.vline_Stem).filter(e=>e.extension.y2-e.extension.y1>1.5).map(e=>({x:e.x,y1:e.extension.y1,y2:e.extension.y2,direction:null})),a=i.filter(e=>et.includes(e.semantic)&&e.y>this.semanticTop&&e.y{if((s?1:0)^(e.x{const t=a.filter(t=>Math.abs(t.x-e.x)-w[t.semantic]/2<.28&&Math.abs(t.x-e.x)-w[t.semantic]/2>-.44&&t.y>e.y1-.5&&t.ye.x&&t.y>e.y2)&&!(t.xe.y-t.y);const s=Math.min(...t.map(t=>t.y-e.y1)),n=Math.min(...t.map(t=>e.y2-t.y));if(Math.min(s,n)>.5)return;const a=s!o.has(e.id)).forEach(e=>{const a=n.filter(t=>Math.abs(t.x-e.x)<2&&e.y>t.y1&&e.yMath.abs(t.x-e.x)-Math.abs(s.x-e.x)),o=a[0];if(o){const t="d"===o.direction,s=t?st[e.semantic].down:st[e.semantic].up;this.appendPoint({id:e.id,semantic:s,x:o.x+c(e,o,t),y:e.y,pivotX:e.x,confidence:e.confidence},{tip:{x:o.x,y:t?o.y2:o.y1},antiPoint:r(e.id),points:i})}else s.debug("isolated notehead:",t.index,this.index,e)});const l=i.filter(e=>e.semantic===g.Flag3);l.sort((e,t)=>e.x-t.x),this.appendFlags(l,n);const u=i.filter(e=>e.semantic===g.Dot).map(e=>{const t=Ne(e.y,.5);return{x:e.x,y:t}}).reduce((e,t)=>(e[t.y]=e[t.y]||[],e[t.y].push(t),e),{});Object.entries(u).forEach(([e,t])=>{const s=Number(e);if(t.length>1){t.sort((e,t)=>e.x-t.x);for(let e=0;ee.x>n.x&&e.x-n.x<1.2)&&this.appendPoint({id:n.id,x:n.x,y:s,confidence:n.confidence},{type:B.DotDot,antiPoint:r(n.id),points:i})}}});const h=i.filter(e=>e.semantic===g.KeyAcc);i.filter(e=>tt[e.semantic]).forEach(e=>{h.some(t=>Math.abs(e.x-t.x)<.5&&Math.abs(e.y-t.y)<1)&&this.appendPoint({id:e.id,x:e.x,y:e.y,confidence:e.confidence},{type:tt[e.semantic],points:i})});i.filter(e=>e.semantic===g.OctaveShift8).forEach(e=>{const t=e.y<0?B.OctaveShift8va:B.OctaveShift8vb;this.appendPoint({id:e.id,x:e.x,y:e.y,confidence:e.confidence},{type:t,points:i})});const m=this.semantics.filter(e=>[g.VoltaLeft,g.VoltaRight].includes(e.semantic));m.sort((e,t)=>e.x-t.x);const f=m.reduce((e,t)=>{const s=e[t.semantic],i=Array.from(Object.keys(s)).map(Number).find(e=>t.x{if(s.length>1){const i=s.reduce((e,t)=>e+t.confidence,0);s[0].y*s[1].y<0&&i>=2*e&&this.appendPoint(s[0],{type:B[t]})}})}appendPoint(e,{type:t,points:s=null,antiPoint:i,...r}={}){const n=e.x,a=this.measures.find(e=>nQe.includes(t.semantic)&&Math.abs(t.y-e.y)<.2&&Math.abs(t.x-e.x)<1.2);t.some(e=>e.semantic===g.SignLined)?o=!0:t.some(e=>e.semantic===g.SignInterval)&&(c=!0)}t=t||B[e.semantic];const l=ne[t];let u=re[t];(o||c)&&(u=Math.max(u,1));let h=e.y;Number.isFinite(l)?h=l:u&&(h=c?Ne(h+.5,u)-.5:Ne(h,u));const m=a.tokens.find(e=>e.type===t&&Math.abs(e.x-n)<.1&&Math.abs(e.y-h)<.1);m?Number.isFinite(m.confidence)&&m.confidence3||(a.tokens.push(new Token({id:e.id,type:t,x:n,y:h,pivotX:e.pivotX,confidence:e.confidence,...r})),i&&a.antiTokens.push(new Token({id:i.id,type:t,x:n,y:i.y,confidence:i.confidence})))}appendFlags(e,t){t.map(t=>({...t,flags:e.filter(e=>Math.abs(e.x-t.x)<.3&&e.y>t.y1-.5&&e.ye.flags.length).forEach(e=>{const t=e.flags.reduce((e,t)=>e&&e.confidence>t.confidence?e:t,null),s="d"===e.direction,i=s?Math.min(e.y2,e.y1+6):Math.max(e.y1,e.y2-6),r=e.flags.map(e=>({tip:(i-e.y)*(s?1:-1),confidence:e.confidence})).filter(e=>e.tip<2||e.confidence>.7*t.confidence).length,n=W[r-1];n&&this.appendPoint({id:e.flags[0].id,x:e.x,y:i,confidence:Math.min(...e.flags.map(e=>e.confidence))},{type:n})})}clearTokens(){this.measures.forEach(e=>e.tokens=[]),this.semantics=[]}clearPredictedTokens(){this.measures.forEach(e=>e.tokens=e.tokens.filter(e=>!e.isPredicted))}}Staff.className="Staff",Staff.blackKeys=["index","semanticTop","semanticBttom"];class System extends SimpleClass{constructor({stavesCount:e,...t}){if(super(),super.assign(t),!this.measureBars){const e=5,t=(this.width-e)/this.measureCount;this.measureBars=Array(this.measureCount).fill(0).map((s,i)=>e+t*(i+1))}!t.staves&&e&&(this.staves=Array(e).fill(null).map(()=>new Staff({measureBars:this.measureBars}))),this.arrangePosition(),this.measureCount=this.measureCount||this.measureBars.length,this.sidBlackList=this.sidBlackList||[],this.sidWhiteList=this.sidWhiteList||[]}get noteRange(){if(!this.staves.length)return null;const e=this.staves[0],t=this.staves[this.staves.length-1];return{top:e.top+e.staffY+e.noteRange.top,bottom:t.top+t.staffY+t.noteRange.bottom}}get staffPositions(){return this.staves.map(e=>({y:e.top+e.staffY,radius:2}))}get staffMask(){return this.staffMaskChanged?this.staffMaskChanged:this.prev&&this.staves.length===this.prev.staves.length?this.prev.staffMask:2**this.staves.length-1}get staffTop(){const e=this.staffPositions;return e.length?e[0].y-e[0].radius:0}get staffBottom(){const e=this.staffPositions;return e.length?e[e.length-1].y+e[e.length-1].radius:0}arrangePosition(){let e=0;for(const t of this.staves){if(Number.isFinite(t.top))break;t.top=e,e+=t.height}}tidyMeasureBars(){this.measureBars=this.measureBars.filter(e=>e>1),this.measureBars.sort((e,t)=>e-t);const e=this.width-this.measureBars[this.measureBars.length-1];e>12?this.measureBars.push(this.width):e<2&&(this.measureBars[this.measureBars.length-1]=this.width),this.measureBars=this.measureBars.filter((e,t)=>t<1||e-this.measureBars[t-1]>4)}rearrangeMeasures(){this.measureCount=this.measureBars.length,this.staves.forEach(e=>e.rearrangeMeasures(this.measureBars))}get height(){return this.staves.reduce((e,t)=>e+t.height,0)}get connectionLine(){const e=this.staves[0],t=this.staves[this.staves.length-1];return e&&{top:e.top+e.staffY-2,bottom:t.top+t.staffY+2}}get middleY(){if(!this.staves.length)return 0;return this.staves.reduce((e,t)=>e+t.top+t.staffY,0)/this.staves.length}get timeSignatureOnHead(){return this.staves.some(e=>e.measures[0]?.tokens.some(e=>D.includes(e.type)))}getStaffArray(e){let t=0;return Array(e).fill(null).map((e,s)=>{const i=this.staffMask&1<0?this.measureBars[e-1]:0,s=this.measureBars[e];return[...(this.tokens??[]).filter(e=>e.x>=t&&e.xTempoTerm.fromNumeralText(e.text)).filter(Boolean)]}getEvents(e){if(console.assert(Number.isInteger(this.headMeasureIndex),"invalid headMeasureIndex:",this.headMeasureIndex),!this.measureBars?.length&&this.staves.every(e=>!e.measures?.length))return{staffMask:this.staffMask,columns:[]};const t=this.getStaffArray(e).map(e=>e?e.measures.map(t=>{const s=t.getEvents();return t.assignAccessoriesOnEvents(s),t.assignFeaturesOnEvents(s,e.semantics),{events:s.map(t=>new EventTerm({staff:e.index,system:this.index,...t,rest:t.rest?"r":null})),contexts:t.getContexts({staff:e.index}),voltaBegin:t.tokens.some(e=>e.type===B.VoltaLeft),voltaEnd:t.tokens.some(e=>e.type===B.VoltaRight),alternative:t.alternative,barTypes:t.barTypes}}):Array(this.measureCount).fill(null).map(()=>({events:[],contexts:[],voltaBegin:!1,voltaEnd:!1,alternative:!1,barTypes:{}})));for(let e=0;et[e]?.contexts?.filter(e=>[Ue.TimeSignatureC,Ue.TimeSignatureN].includes(e.type))).find(e=>e?.length);s&&t.forEach(t=>{!t[e]||t[e].contexts.length||t[e].events.length||t[e].contexts.push(...s)})}const s=Array(this.measureCount).fill(null).map((e,s)=>({measureIndex:this.headMeasureIndex+s,rows:t.map(e=>e[s]),marks:this.getMarksInMeasure(s),duration:0,voltaBegin:t.some(e=>e[s]?.voltaBegin),voltaEnd:t.some(e=>e[s]?.voltaEnd),alternative:t.some(e=>e[s]?.alternative),barTypes:t.reduce((e,t)=>({...e,...t[s]?.barTypes}),{})}));s.forEach(e=>{[].concat(...e.rows.filter(Boolean).map(e=>e.events)).forEach((e,t)=>e.id=t+1)});const i=s[s.length-1];return i&&(i.break=!0),{staffMask:this.staffMask,columns:s}}getEventsFunctional(e,t,s=[],{useXMap:i=!1}={}){const r=this.getStaffArray(e).map((e,s)=>e?e.measures.map((e,i)=>{const r=t(s,i);return r&&{events:r.map(e=>new EventTerm({system:this.index,...e,rest:e.rest?"r":null})),contexts:e.getContexts({staff:s}),voltaBegin:e.tokens.some(e=>e.type===B.VoltaLeft),voltaEnd:e.tokens.some(e=>e.type===B.VoltaRight),alternative:e.alternative,barTypes:e.barTypes}}):Array(this.measureCount).fill(null).map(()=>({events:[],contexts:[],voltaBegin:!1,voltaEnd:!1,alternative:!1,barTypes:{}}))),n=Array(this.measureCount).fill(null).map((e,t)=>{const s=r.map(e=>e[t]);if(s.some(e=>!e))return null;let n=null;if(i){const e=[].concat(...s.map(e=>e.events)).reduce((e,t)=>(Number.isFinite(t.tickGroup)&&(e[t.tickGroup]=e[t.tickGroup]||[]),e[t.tickGroup].push(t),e),{});n=Object.values(e).reduce((e,t)=>{const s=Math.min(...t.map(e=>(e.left+e.right)/2));return e.set(s,t),e},new Map)}return{measureIndex:this.headMeasureIndex+t,rows:s,marks:this.getMarksInMeasure(t),duration:0,xMap:n,voltaBegin:s.some(e=>e.voltaBegin),voltaEnd:s.some(e=>e.voltaEnd),alternative:s.some(e=>e.alternative),barTypes:s.reduce((e,t)=>({...e,...t.barTypes}),{})}});return s.forEach(e=>n.forEach(e)),{staffMask:this.staffMask,columns:n}}getContexts(e){const t=this.getStaffArray(e).map(e=>e?e.measures.map(e=>({events:null,contexts:e.getContexts(),voltaBegin:e.tokens.some(e=>e.type===B.VoltaLeft),voltaEnd:e.tokens.some(e=>e.type===B.VoltaRight),alternative:t.some(e=>e.alternative),barTypes:e.barTypes})):Array(this.measureCount).fill(null).map(()=>({events:null,contexts:[],voltaBegin:!1,voltaEnd:!1,alternative:!1,barTypes:{}})));for(let e=0;et[e]?.contexts.filter(e=>[Ue.TimeSignatureC,Ue.TimeSignatureN].includes(e.type))).find(e=>e?.length);s&&t.forEach(t=>{t[e].contexts.length||t[e].contexts.push(...s)})}const s=Array(this.measureCount).fill(null).map((e,s)=>({measureIndex:this.headMeasureIndex+s,rows:t.map(e=>e[s]),marks:[],duration:0,voltaBegin:t.some(e=>e[s].voltaBegin),voltaEnd:t.some(e=>e[s].voltaEnd),alternative:t.some(e=>e.alternative),barTypes:t.reduce((e,t)=>({...e,...t[s].barTypes}),{})}));return{staffMask:this.staffMask,columns:s}}assignSemantics(e,t){const s=this.staves[e];console.assert(s,"staff is null:",e,this.staves);const i=s.top+s.staffY;t.getSystemPoints().forEach(e=>{const t={...e};t.y+=i,t.extension&&(t.extension={...t.extension},Number.isFinite(t.extension.y1)&&(t.extension.y1+=i,t.extension.y2+=i)),this.semantics.push(t)})}assemble(e,t=new DummyLogger){if(this.measureBars=[],!this.semantics)return;const s=SemanticGraph.fromPoints(this.semantics).getConfidentLayer(g.vline_BarMeasure,e);s.sort((e,t)=>e.x-t.x);const i=this.staffTop,r=this.staffBottom;let n=0;const a=s.reduce((e,t)=>{const s=Number.isFinite(t.confidence)?Math.tanh(t.confidence):1,a=t.x-n>.4?t.x:n;n=t.x;let o=e[a]||0;return o+=(Math.min(t.extension.y2,r)-Math.max(t.extension.y1,i))*s,t.x!==a&&delete e[a],e[t.x]=o,e},{}),o=Object.entries(a).filter(([e,t])=>t>3*this.staves.length).map(([e])=>Number(e));o.sort((e,t)=>e-t),o.forEach((e,t)=>{(t<=0||e-o[t-1]>2)&&this.measureBars.push(e)}),this.measureBars.length||this.measureBars.push(this.width),this.tidyMeasureBars(),this.rearrangeMeasures();this.semantics.filter(e=>[g.vline_BarTerminal,g.vline_BarSegment].includes(e.semantic)).forEach(e=>{const t=this.staves[0].measures.find(t=>e.x>t.right-2&&e.x{for(;!(l&1<_(this.index,i,e)),s.clearPredictedTokens(),s.assemble(e,this,t))})}qualifiedSemantics(e,t=1){return e.filter(e=>this.sidWhiteList.includes(e.id)||!this.sidBlackList.includes(e.id)&&(e.confidence>=t||!Number.isFinite(e.confidence))).map(e=>this.displacementSemantics&&this.displacementSemantics[e.id]?{...e,...this.displacementSemantics[e.id]}:e)}clearTokens(){this.staves.forEach(e=>e.clearTokens()),this.semantics=[]}newPoint(e,t,s=1){const i=this.staves[e];console.assert(i,"staff index out of bound:",e,this.staves.length);const{semantic:r,x:n,y:a,confidence:o=0,extension:c=null}=t,l={semantic:r,x:n,y:a,confidence:o,extension:c};return l.extension||delete l.extension,_(this.index,e,l),i.semantics.push(l),i.clearPredictedTokens(),i.assemble(s,this),l}appendToken(e){switch(this.tokens.push(e),e.textType){case p.TempoNumeral:{const t=this.staves[0];if(t){const s=t.top+t.staffY;t.measures.forEach(t=>{t.tokens=t.tokens.filter(t=>!V.includes(t.type)||Math.abs(t.x-e.x)>e.width/2||Math.abs(s+t.y-e.y)>e.fontSize/2)})}}break;case p.Alternation1:case p.Alternation2:this.staves[0].measures.forEach(t=>{const s=Math.min(t.left+t.width,e.x+e.width/2)-Math.max(t.left,e.x-e.width/2);t.alternative=t.alternative||s/t.width>.5})}}}System.className="System",System.blackKeys=["index","pageIndex","prev","next","headMeasureIndex","tokens","indent"];class Page extends SimpleClass{constructor(e){super(),super.assign(e),this.systems=this.systems||[],this.source&&(this.source.matrix=this.source.matrix||[1,0,0,1,0,0])}get sidBlackList(){const e=[].concat(...this.systems.map(e=>e.sidBlackList));return new Set(e)}get sidWhiteList(){const e=[].concat(...this.systems.map(e=>e.sidWhiteList));return new Set(e)}clearTokens(){this.semantics=null,this.tokens=null,this.systems.forEach(e=>e.tokens=null)}assignTexts(e,[t,s]){const i=this.source&&this.source.interval?this.source.interval*(t/this.source.dimensions.height):t/this.height;this.semantics=e.map(e=>{const r={x:(e.cx-s/2)/i,y:(e.cy-t/2)/i},n=this.source&&this.source.matrix?(a=r,{x:(o=this.source.matrix)[0]*a.x+o[2]*a.y+o[4],y:o[1]*a.x+o[3]*a.y+o[5]}):r;var a,o;return{confidence:e.score,x:n.x+this.width/2,y:n.y+this.height/2,semantic:g.rect_Text,extension:{text:e.text,type:e.type,width:e.width/i,height:e.height/i,theta:e.theta,textFeature:e.feature_dict}}})}assemble({textAnnotations:e=null}={},t=new DummyLogger){if(this.tokens=[],this.systems.forEach(e=>e.tokens=[]),this.systems.length){const e=this.systems.map(e=>e.left),t=e[Math.floor((e.length-1)/2)];this.systems.forEach(e=>e.indent=e.left>t+2)}if(this.semantics){const t=this.source?this.source.name:this.index.toString();this.semantics.forEach(s=>{O(t,s);const i={id:s.id,type:B.Text,confidence:s.confidence,textType:nt[s.extension.type]||s.extension.type,text:e&&e[s.id]||s.extension.text,textFeasure:s.extension.textFeature,width:s.extension.width,fontSize:s.extension.height};if(s.semantic===g.rect_Text)switch(i.textType){case p.Title:case p.Author:case p.PageMargin:case p.Other:this.tokens.push(new TextToken({x:s.x,y:s.y,...i}));break;case p.TempoNumeral:case p.Chord:case p.MeasureNumber:case p.Instrument:case p.Alternation1:case p.Alternation2:{const e=this.systems.find(e=>e.top+e.staffTop>s.y);e&&e.appendToken(new TextToken({x:s.x-e.left,y:s.y-e.top,...i}))}break;case p.TextualMark:case p.Times:{const e=[...this.systems].reverse().find(e=>e.topt>=e.top&&tr>=e.left&&r[e,ot[`TimeD${e}`]])),lt=Object.fromEntries(Array(12).fill(null).map((e,t)=>t+1).map(e=>[e,ot[`TimeN${e}`]])),ut=ot,ht={[ut.BOS]:"BOS",[ut.NoteheadS0]:"noteheads-s0",[ut.NoteheadS1]:"noteheads-s1",[ut.NoteheadS2]:"noteheads-s2",[ut.NoteheadGrace]:"GraceNotehead",[ut.Flag3]:"flags-u3",[ut.BeamLeft]:"BeamLeft",[ut.BeamContinue]:"BeamContinue",[ut.BeamRight]:"BeamRight",[ut.Dot]:"dot",[ut.Rest0]:"rests-0o",[ut.Rest1]:"rests-1o",[ut.Rest2]:"rests-2",[ut.Rest3]:"rests-3",[ut.Rest4]:"rests-4",[ut.Rest5]:"rests-5",[ut.Rest6]:"rests-6"},mt={[ut.NoteheadS0]:0,[ut.NoteheadS1]:1,[ut.NoteheadS2]:2,[ut.NoteheadGrace]:2},ft=[ut.NoteheadS0,ut.NoteheadS1,ut.NoteheadS2,ut.NoteheadGrace],dt=[ut.Rest0,ut.Rest1,ut.Rest2,ut.Rest3,ut.Rest4,ut.Rest5,ut.Rest6],pt=[ut.BeamLeft,ut.BeamContinue,ut.BeamRight],gt=[...ft,...dt],yt=[...ft,...dt,ut.vline_Stem],vt=[ut.BOS,ut.NoteheadS0,ut.vline_Stem,...dt],xt=[...gt,ut.vline_Stem],St={[ut.BeamLeft]:"Open",[ut.BeamRight]:"Close"},bt=e=>({type:e,staff:-1,x:0,y1:0,y2:0}),kt=bt(ot.BOS),Tt=e=>[bt(lt[e.numerator]),bt(ct[e.denominator])],wt=(e,t)=>{const s=e.filter((e,s)=>t[s]),i=Math.max(...s);return e.findIndex(e=>e===i)};class SemanticCluster extends SimpleClass{static elementToJSON(e){const t={type:e.type,staff:e.staff,x:e.x,y1:e.y1,y2:e.y2};return e.id&&(t.id=e.id),t}constructor(e){super(),super.assign(e)}get sourceMask(){return this.elements.map(e=>yt.includes(e.type))}get targetMask(){return this.elements.map(e=>vt.includes(e.type))}get vMask(){return this.elements.map(e=>xt.includes(e.type))}get compactMatrixH(){if(!this.matrixH)return null;const e=this.sourceMask,t=this.targetMask;return this.matrixH.filter((t,s)=>e[s]).map(e=>e.filter((e,s)=>t[s]))}set compactMatrixH(e){this.matrixH=Mt([].concat(...e),[this.sourceMask,this.targetMask])}get compactMatrixV(){if(!this._matrixV)return null;const e=this.vMask,t=this._matrixV.filter((t,s)=>e[s]).map(t=>t.filter((t,s)=>e[s]));return[].concat(...t.map((e,t)=>e.slice(0,t)))}set compactMatrixV(e){this.matrixV=e&&Et(e,this.vMask)}get matrixV(){return this.groupsV&&Nt(this.elements.length,this.groupsV)}set matrixV(e){if(!e)return this.groupsV=null,void(this._matrixV=e);const t=[],s=e.map((t,s)=>t.some(Number.isFinite)||e.some(e=>Number.isFinite(e[s])));e.forEach((e,i)=>{if(s[i]){let s=!1;for(let r=0;r=.5){const e=t.findIndex(e=>e.includes(r));t[e].push(i),s=!0;break}}s||t.push([i])}}),this.groupsV=t,this._matrixV=e}toJSON(){return{__prototype:"SemanticCluster",index:this.index,elements:this.elements.map(SemanticCluster.elementToJSON),compactMatrixH:this.compactMatrixH,compactMatrixV:this.compactMatrixV}}static mapMatrix(e,t,s){return t.reduce((t,s,i)=>(t[s]?t[s]=t[s].map((t,s)=>t+e[i][s]?1:0):t[s]=e[i],t),[]).map(e=>s.map(t=>e[t]))}mergeOverlapping(){const e=this.overlappedNoteheads();if(e.length){const t=this.elements.map((t,s)=>{const i=e.find(e=>s===e[1]),r=i?i[0]:s;return r-e.filter(e=>e[1]t.findIndex(e=>e===s));this.elements=s.map(e=>this.elements[e]),console.assert(this.elements.every(Boolean),"null element found:",this,t,s),this.matrixH=SemanticCluster.mapMatrix(this.matrixH,t,s),this.groupsV=this.groupsV.map(e=>Array.from(new Set(e.map(e=>t[e]))))}}overlappedNoteheads(){const e=[],t=this.elements.filter(e=>ft.includes(e.type));for(let s=0;st),t=this.masks?this.masks[1]:e.map(e=>vt.includes(this.elements[e].type)),s=e.map(e=>this.elements[e].type===ut.vline_Stem&&this.elements[e].y2-this.elements[e].y1>2),i=e.filter(e=>[ut.NoteheadS1,ut.NoteheadS2,ut.NoteheadGrace].includes(this.elements[e].type)),r=e.filter(e=>this.elements[e].type===ut.NoteheadS0),n=e.map(()=>!1),a={};i.forEach(t=>{const i=this.elements[t];e.filter(e=>s[e]).filter(e=>this.elements[e].y1-.5i.y1).sort((e,s)=>this.matrixH[t][s]-this.matrixH[t][e]).slice(0,2).filter((e,s)=>0===s||this.matrixH[t][e]>=.5).forEach(e=>{a[e]=a[e]||[],a[e].push(t)})}),r.forEach(e=>{const s=this.elements[e],i=wt(this.matrixH[e],t),r=this.elements[i];r.type===ut.NoteheadS0&&Math.abs(s.x-r.x)<2.6?(n[e]=!0,a[i]=a[i]||[i],a[i].push(e)):a[e]=a[e]||[e]});const o={},c=e.filter(e=>a[e]||dt.includes(this.elements[e].type));c.sort((e,t)=>this.elements[e].x-this.elements[t].x);const l=e.map(e=>e===ut.BOS);c.forEach(e=>{const t=wt(this.matrixH[e],l);o[e]=t,t&&!dt.includes(this.elements[t].type)&&(l[t]=!1),l[e]=!0});const u=this.elements.filter(e=>e.type===ut.Dot),h=this.elements.filter(e=>e.type===ut.Flag3),m=this.elements.filter(e=>pt.includes(e.type)),f=this.groupsV;return c.map(e=>{const t=this.elements[e],s=f?f.findIndex(t=>t.includes(e)):null;if(dt.includes(t.type)){const i=u.filter(e=>e.x>t.x+.5&&e.xt.y1-1&&e.y1this.elements[e]),r=Math.min(...i.map(e=>e.x-.7)),n=Math.max(...i.map(e=>e.x+.7));i.sort((e,t)=>t.y1-e.y1);const c=i.map(e=>e.y1),l=i.map(e=>e.id),f=c[0],d=c[c.length-1],p=u.filter(e=>e.x>n&&e.xf-1&&e.y1{const s=Ne(t.y1,.5);return e[s]=e[s]||[],e[s].push(t),e},{}),g=Math.max(...Object.values(p).map(e=>e.length),0);let y=mt[i[0].type],v=null,x=null,S=null;if(t.type===ut.vline_Stem){if(v=f-t.y1>t.y2-d?"u":"d",S={x:t.x,y:"u"===v?t.y1:t.y2},2===y){const e="u"===v?[t.y1-.4,t.y2-1]:[t.y1+1,t.y2+.4];y+=h.filter(s=>Math.abs(s.x-t.x)<.2&&s.y1>e[0]&&s.y1Math.abs(s.x-t.x)<.2&&s.y1>e[0]&&s.y1{const s=function*(){for(const t of e)yield t}(),[i,r]=t;return i.map(e=>r.map(t=>e&&t?s.next().value:null))},Et=(e,t)=>{const s=function*(){for(const t of e)yield t}();return t.map((e,i)=>t.map((t,r)=>e&&t&&r{const s=Array(e).fill(null).map((e,s)=>t.findIndex(e=>e.includes(s)));return Array(e).fill(null).map((t,i)=>Array(e).fill(null).map((e,t)=>{if(t>=i)return null;const r=s[i],n=s[t];return r<0||n<0?null:r===n?1:0}))};var It;!function(e){e[e.None=0]="None",e.Mordent="mordent",e.Prall="prall",e.Turn="turn",e.Trill="trill",e.Tremolo="tremolo",e.Arpeggio="arpeggio"}(It||(It={}));const Ct=class Stream{constructor(e){this.array=new Uint8Array(e),this.position=0}eof(){return this.position>=this.array.length}read(e){const t=this.array.slice(this.position,this.position+e);return this.position+=e,t}readString(e){return Array.from(this.read(e)).map(e=>String.fromCharCode(e)).join("")}readInt32(){const e=(this.array[this.position]<<24)+(this.array[this.position+1]<<16)+(this.array[this.position+2]<<8)+this.array[this.position+3];return this.position+=4,e}readInt16(){const e=(this.array[this.position]<<8)+this.array[this.position+1];return this.position+=2,e}readInt8(e){let t=this.array[this.position];return e&&t>127&&(t-=256),this.position+=1,t}readVarInt(){let e=0;for(;;){const t=this.readInt8();if(!(128&t))return e+t;e+=127&t,e<<=7}}};const _t=class OStream{constructor(){this.buffer=""}write(e){this.buffer+=e}writeInt32(e){this.buffer+=String.fromCharCode(e>>24&255)+String.fromCharCode(e>>16&255)+String.fromCharCode(e>>8&255)+String.fromCharCode(255&e)}writeInt16(e){this.buffer+=String.fromCharCode(e>>8&255)+String.fromCharCode(255&e)}writeInt8(e){this.buffer+=String.fromCharCode(255&e)}writeVarInt(e){if(e<0)throw new Error("OStream.writeVarInt minus number: "+e);const t=127&e;e>>=7;let s=String.fromCharCode(t);for(;e;){const t=127&e;e>>=7,s=String.fromCharCode(128|t)+s}this.buffer+=s}getBuffer(){return this.buffer}getArrayBuffer(){return Uint8Array.from(this.buffer.split("").map(e=>e.charCodeAt(0))).buffer}};var Ot={parseMidiData:function(e){function t(e){const t=e.readString(4),s=e.readInt32();return{id:t,length:s,data:e.read(s)}}let s;function i(e){const t={};t.deltaTime=e.readVarInt();let i=e.readInt8();if(240&~i){let r;128&i?(r=e.readInt8(),s=i):(r=i,i=s);const n=i>>4;switch(t.channel=15&i,t.type="channel",n){case 8:return t.subtype="noteOff",t.noteNumber=r,t.velocity=e.readInt8(),t;case 9:return t.noteNumber=r,t.velocity=e.readInt8(),0===t.velocity?t.subtype="noteOff":t.subtype="noteOn",t;case 10:return t.subtype="noteAftertouch",t.noteNumber=r,t.amount=e.readInt8(),t;case 11:return t.subtype="controller",t.controllerType=r,t.value=e.readInt8(),t;case 12:return t.subtype="programChange",t.programNumber=r,t;case 13:return t.subtype="channelAftertouch",t.amount=r,t;case 14:return t.subtype="pitchBend",t.value=r+(e.readInt8()<<7),t;default:throw new Error("Unrecognised MIDI event type: "+n)}}else{if(255!==i){if(240===i){t.type="sysEx";const s=e.readVarInt();return t.data=e.readString(s),t}if(247===i){t.type="dividedSysEx";const s=e.readVarInt();return t.data=e.readString(s),t}throw new Error("Unrecognised MIDI event type byte: "+i)}{t.type="meta";const s=e.readInt8(),i=e.readVarInt();switch(s){case 0:if(t.subtype="sequenceNumber",2!==i)throw new Error("Expected length for sequenceNumber event is 2, got "+i);return t.number=e.readInt16(),t;case 1:return t.subtype="text",t.text=e.readString(i),t;case 2:return t.subtype="copyrightNotice",t.text=e.readString(i),t;case 3:return t.subtype="trackName",t.text=e.readString(i),t;case 4:return t.subtype="instrumentName",t.text=e.readString(i),t;case 5:return t.subtype="lyrics",t.text=e.readString(i),t;case 6:return t.subtype="marker",t.text=e.readString(i),t;case 7:return t.subtype="cuePoint",t.text=e.readString(i),t;case 32:if(t.subtype="midiChannelPrefix",1!==i)throw new Error("Expected length for midiChannelPrefix event is 1, got "+i);return t.channel=e.readInt8(),t;case 47:if(t.subtype="endOfTrack",0!==i)throw new Error("Expected length for endOfTrack event is 0, got "+i);return t;case 81:if(t.subtype="setTempo",3!==i)throw new Error("Expected length for setTempo event is 3, got "+i);return t.microsecondsPerBeat=(e.readInt8()<<16)+(e.readInt8()<<8)+e.readInt8(),t;case 84:if(t.subtype="smpteOffset",5!==i)throw new Error("Expected length for smpteOffset event is 5, got "+i);const s=e.readInt8();return t.frameRate={0:24,32:25,64:29,96:30}[96&s],t.hour=31&s,t.min=e.readInt8(),t.sec=e.readInt8(),t.frame=e.readInt8(),t.subframe=e.readInt8(),t;case 88:if(t.subtype="timeSignature",4!==i)throw new Error("Expected length for timeSignature event is 4, got "+i);return t.numerator=e.readInt8(),t.denominator=Math.pow(2,e.readInt8()),t.metronome=e.readInt8(),t.thirtyseconds=e.readInt8(),t;case 89:if(t.subtype="keySignature",2!==i)throw new Error("Expected length for keySignature event is 2, got "+i);return t.key=e.readInt8(!0),t.scale=e.readInt8(),t;case 127:return t.subtype="sequencerSpecific",t.data=e.readString(i),t;default:return t.subtype="unknown",t.data=e.readString(i),t}}}}let r=e;"string"==typeof e&&(r=e.split("").map(e=>e.charCodeAt(0)));const n=new Ct(r),a=t(n);if("MThd"!==a.id||6!==a.length)throw new Error("Bad .mid file - header not found");const o=new Ct(a.data),c=o.readInt16(),l=o.readInt16(),u=o.readInt16();let h;if(32768&u)throw new Error("Expressing time division in SMTPE frames is not supported yet");h=u;const m={formatType:c,trackCount:l,ticksPerBeat:h},f=[];for(let e=0;e>16&255),e.writeInt8(t.microsecondsPerBeat>>8&255),e.writeInt8(255&t.microsecondsPerBeat);break;case"smpteOffset":e.writeInt8(84),e.writeVarInt(5);var s={24:0,25:32,29:64,30:96}[t.frameRate];e.writeInt8(t.hour|s),e.writeInt8(t.min),e.writeInt8(t.sec),e.writeInt8(t.frame),e.writeInt8(t.subframe);break;case"timeSignature":e.writeInt8(88),e.writeVarInt(4),e.writeInt8(t.numerator),e.writeInt8(Math.log2(t.denominator)),e.writeInt8(t.metronome),e.writeInt8(t.thirtyseconds);break;case"keySignature":e.writeInt8(89),e.writeVarInt(2),e.writeInt8(t.key),e.writeInt8(t.scale);break;case"sequencerSpecific":e.writeInt8(127),e.writeVarInt(t.data.length),e.write(t.data);break;default:throw new Error("unhandled event subtype:"+t.subtype)}break;case"sysEx":e.writeInt8(240),e.writeVarInt(t.data.length),e.write(t.data);break;case"dividedSysEx":e.writeInt8(247),e.writeVarInt(t.data.length),e.write(t.data);break;case"channel":switch(t.subtype){case"noteOn":e.writeInt8(144|t.channel),e.writeInt8(t.noteNumber),e.writeInt8(t.velocity);break;case"noteOff":e.writeInt8(128|t.channel),e.writeInt8(t.noteNumber),e.writeInt8(t.velocity?t.velocity:0);break;case"noteAftertouch":e.writeInt8(160|t.channel),e.writeInt8(t.noteNumber),e.writeInt8(t.amount);break;case"controller":e.writeInt8(176|t.channel),e.writeInt8(t.controllerType),e.writeInt8(t.value);break;case"programChange":e.writeInt8(192|t.channel),e.writeInt8(t.programNumber);break;case"channelAftertouch":e.writeInt8(208|t.channel),e.writeInt8(t.amount);break;case"pitchBend":e.writeInt8(224|t.channel),e.writeInt8(255&t.value),e.writeInt8(t.value>>7&255);break;default:throw new Error("unhandled event subtype:"+t.subtype)}break;default:throw new Error("unhandled event type:"+t.type)}}const r=new _t,n=new _t;n.writeInt16(e.formatType),n.writeInt16(t.length),n.writeInt16(e.ticksPerBeat),s(r,"MThd",n.getBuffer());for(let e=0;e{const s=[];let i=120;const r=e.header.ticksPerBeat;for(let t=0;t0){e=a.ticksToEvent/r/(i/60)}"meta"==a.event.type&&"setTempo"==a.event.subtype&&(i=6e7/a.event.microsecondsPerBeat);const s=1e3*e*t||0;o.push([a,s]),a=n()}if(a=n())for(;a;)e()}(),o},trimSequence:e=>{const t=new Map;return e.filter(([{event:e,ticksToEvent:s}])=>{if(s>0&&t.clear(),"channel"!==e.type)return!0;const i=`${e.subtype}|${e.channel}|${e.noteNumber}`;return!t.get(i)&&(t.set(i,e),!0)})},fixOverlapNotes:e=>{const t=new Map,s=new Map,i=[];let r=-1;return e.forEach(([{event:e,ticksToEvent:n}],a)=>{if(n>0&&(r=a),"channel"!==e.type)return;const o=`${e.channel}|${e.noteNumber}`;switch(e.subtype){case"noteOn":t.get(o)?s.set(o,r):t.set(o,r);break;case"noteOff":s.get(o)?(i.push([s.get(o),a]),s.delete(o)):t.delete(o)}}),i.forEach((e,t)=>{for(let s=t-1;s>=0;--s){const t=i[s];if(t[1]t[0]&&++e[0]}}),i.forEach(([t,s])=>{if(s>=e.length-1||t<0)return;const i=e[s],r=e[s+1],n=e[t];if(!n[0].ticksToEvent)return void console.warn("invalid front index:",t,s,n);const a=n[1]/n[0].ticksToEvent;r[1]+=i[1],r[0].ticksToEvent+=i[0].ticksToEvent,i[0].ticksToEvent=n[0].ticksToEvent-1,n[0].ticksToEvent=1,i[1]=i[0].ticksToEvent*a,n[1]=n[0].ticksToEvent*a,e.splice(s,1),e.splice(t,0,i)}),e}};const At=Bt,Pt={64:"Sustain",65:"Portamento",66:"Sostenuto",67:"Soft"};class Notation$1{static parseMidi(e,{fixOverlap:t=!0}={}){const s=[],i={},r={},n=[],a=[];let o=0,c=5e3,l=0,u=4,h=0;const m={};let f,d=0,p=0;const g=[],y=e.header.ticksPerBeat;let v=At.midiToSequence(e);t&&(v=At.trimSequence(At.fixOverlapNotes(v)));const x=v.map(e=>({data:e[0].event,track:e[0].track,deltaTime:e[1],deltaTicks:e[0].ticksToEvent}));let S=0;for(const e of x){if(d+=e.deltaTicks,p=Math.round(1*d),e.deltaTicks>0){const t=e.deltaTicks/y;for(let e=Math.ceil(l);es.channel==t.channel&&s.pitch==e);if(i>=0){const r=s.splice(i,1)[0];n[t.channel].push({channel:t.channel,startTick:r.startTick,endTick:p,pitch:e,start:r.start,duration:o-r.start,velocity:r.velocity,beats:r.beats,track:r.track,finger:r.finger})}else console.debug("unexpected noteOff: ",o,t);m.high=Math.max(m.high||e,e)}break;case"controller":switch(t.controllerType){case 64:case 65:case 66:case 67:const e=Pt[t.controllerType];i[t.channel]=i[t.channel]||{},r[t.channel]=r[t.channel]||[];const s=i[t.channel][e];s&&r[t.channel].push({type:e,start:s.start,duration:o-s.start,value:s.value}),i[t.channel][e]={start:o,value:t.value}}}break;case"meta":switch(t.subtype){case"setTempo":c=t.microsecondsPerBeat/1e3,g.push({tempo:t.microsecondsPerBeat,tick:p,time:o});break;case"timeSignature":u=t.numerator,h=0;break;case"text":if(!f&&/^find-corres:/.test(t.text)){const e=t.text.match(/:([\d\,-]+)/);f=(e&&e[1]||"").split(",").map(e=>Number(e))}else if(/fingering\(.*\)/.test(t.text)){const[e,i]=t.text.match(/\((.+)\)/),r=Number(i);if(!Number.isNaN(r)){const e=s[s.length-1];e&&(e.finger=r);const t=x.find(e=>e.index==S-1);t&&(t.data.finger=r)}}break;case"copyrightNotice":console.log("MIDI copyright:",t.text)}}}return s.forEach(e=>{console.debug("unclosed noteOn event at",e.startTick,e),n[e.channel].push({startTick:e.startTick,endTick:p,pitch:e.pitch,start:e.start,duration:o-e.start,velocity:e.velocity,beats:e.beats,track:e.track,finger:e.finger})}),new Notation$1({channels:n,keyRange:m,pedals:r,bars:a,endTime:o,endTick:p,correspondences:f,events:x,tempos:g,ticksPerBeat:y,meta:{}})}constructor(e){Object.assign(this,e),this.notes=[];for(const e of this.channels)if(e)for(const t of e)this.notes.push(t);this.notes.sort(function(e,t){return e.start-t.start});for(const e in this.notes)this.notes[e].index=Number(e);this.duration=this.notes.length>0?this.endTime-this.notes[0].start:0,this.pitchMap=[];for(const e in this.channels)for(const t in this.channels[e]){const s=this.channels[e][t].pitch;this.pitchMap[s]=this.pitchMap[s]||[],this.pitchMap[s].push(this.channels[e][t])}if(this.pitchMap.forEach(e=>e.sort((e,t)=>e.start-t.start)),this.meta.beatInfos)for(let e=0;e0){const s=this.meta.beatInfos[e-1];t.beatIndex=s.beatIndex+Math.ceil((t.tick-s.tick)/this.ticksPerBeat)}else t.beatIndex=0}{let e=0,t=0,s=5e5;for(const i of this.tempos){e+=s/1e3*(i.tick-t)/this.ticksPerBeat,t=i.tick,s=i.tempo,i.time=e}}}findChordBySoftindex(e,t=.8){return this.notes.filter(s=>Math.abs(s.softIndex-e)e.from,"range is invalid:",e);const t=t=>{const s=Math.max(e.from,this.tempos[t].tick),i=te+s.tempo*t(i),0)/(e.to-e.from))}ticksToTime(e){console.assert(Number.isFinite(e),"invalid tick value:",e),console.assert(this.tempos&&this.tempos.length,"no tempos.");const t=this.tempos.findIndex(t=>t.tick>e),s=t<0?this.tempos.length-1:Math.max(t-1,0),i=this.tempos[s];return i.time+(e-i.tick)*i.tempo*.001/this.ticksPerBeat}timeToTicks(e){console.assert(Number.isFinite(e),"invalid time value:",e),console.assert(this.tempos&&this.tempos.length,"no tempos.");const t=this.tempos.findIndex(t=>t.time>e),s=t<0?this.tempos.length-1:Math.max(t-1,0),i=this.tempos[s];return i.tick+(e-i.time)*this.ticksPerBeat/(.001*i.tempo)}tickRangeToTimeRange(e){return console.assert(e.to>=e.from,"invalid tick range:",e),{from:this.ticksToTime(e.from),to:this.ticksToTime(e.to)}}scaleTempo({factor:e,headTempo:t}){console.assert(this.tempos&&this.tempos.length,"[Notation.scaleTempo] tempos is empty."),t&&(e=t/this.tempos[0].tempo),console.assert(Number.isFinite(e)&&e>0,"[Notation.scaleTempo] invalid factor:",e),this.tempos.forEach(t=>{t.tempo*=e,t.time*=e}),this.events.forEach(t=>{t.deltaTime*=e,t.time*=e}),this.notes.forEach(t=>{t.start*=e,t.duration*=e}),this.endTime*=e}}var Rt={Notation:Notation$1};const{Notation:Dt}=Rt,Ft=()=>new Promise(e=>requestAnimationFrame(e));var Lt=class MidiPlayer$1{constructor(e,{cacheSpan:t=600,onMidi:s,onPlayFinish:i,onTurnCursor:r}={}){let n;this.cacheSpan=t,this.onMidi=s,this.onPlayFinish=i,this.onTurnCursor=r,n=e.notes&&Number.isFinite(e.endTime)?e:Dt.parseMidi(e),this.notation=n,this.events=n.events,this.isPlaying=!1,this.progressTime=0,this.startTime=performance.now(),this.duration=n.endTime,this.cursorTurnDelta=0,console.assert(n.tempos&&n.tempos.length,"[MidiPlayer] invalid notation, tempos is empty.")}dispose(){this.isPlaying=!1,this.progressTime=0}get progressTicks(){return this.notation.timeToTicks(this.progressTime)}set progressTicks(e){this.progressTime=this.notation.ticksToTime(e),this.onTurnCursor&&this.onTurnCursor(this.progressTime)}async play({nextFrame:e=Ft}={}){this.progressTime>=this.duration&&(this.progressTime=0);let t=performance.now();this.startTime=t-this.progressTime,this.isPlaying=!0;let s=this.events.findIndex(e=>e.time>=t-this.startTime);for(;this.isPlaying;){for(;sthis.progressTime+this.cacheSpan)break;"channel"===e.data.type&&this.startTime+e.time>=t&&this.onMidi&&this.onMidi(e.data,this.startTime+e.time)}if(await e(),!this.isPlaying)break;if(0!==this.cursorTurnDelta){const e=this.cursorTurnDelta<0;if(this.startTime-=this.cursorTurnDelta,this.cursorTurnDelta=0,e)for(;s>0;--s){const e=this.events[s].time;if(this.startTime+ethis.duration&&(this.isPlaying=!1,this.onPlayFinish&&this.onPlayFinish())}}pause(){this.isPlaying=!1}turnCursor(e){this.isPlaying?this.cursorTurnDelta+=e-this.progressTime:this.progressTime=e,this.onTurnCursor&&this.onTurnCursor(e)}},$t={CostStepAttenuation:.6,SkipDeep:3,PriorDistanceSigmoidFactor:.1,PriorValueSigmoidFactor:.12,SkipCost:.5,LagOffsetCost:1,LeadOffsetCost:1.6,ZeroOffsetCost:.58,RelocationThreshold:6};const{pick:jt}=x.default,Ht=$t;class Node$2{constructor(e,t){this.s_note=e,this.c_note=t,console.assert(null!=this.s_note.softIndex,"s_note softIndex is null"),this.offset=this.s_note.softIndex-this.c_note.softIndex,this._prev=null,this._totalCost=0,this._value=0,this.cacheDirty=!0}get prev(){return this._prev}set prev(e){e!=this._prev&&(this._prev=e,this.cacheDirty=!0)}get si(){return this.s_note.index}get ci(){return this.c_note.index}get root(){return this.prev.root||this}get rootSi(){return this.prev.zero?this.si:this.prev.rootSi}get id(){return`${this.s_note.index},${this.c_note.index}`}static cost(e,t,s){return e*Ht.CostStepAttenuation+Math.tanh(t*Ht.SkipCost)+Math.tanh(.5*s)}updateCache(){this.cacheDirty&&(this._totalCost=Node$2.cost(this.prev.totalCost,this.si-this.prev.si-1,this.selfCost),this._value=this.prev.value+1-Math.tanh(.5*this.selfCost),this.cacheDirty=!1)}get totalCost(){return this.updateCache(),this._totalCost}get value(){return this.updateCache(),this._value}get deep(){return this.prev.deep+1}get path(){const e=[];for(let t=this;!t.zero;t=t.prev)e[t.si]=t.ci;for(let t=0;t=1,"node index error:",this,e);const s=Node$2.cost(e.totalCost,this.si-e.si-1,t);return(!this.prev||s0?Ht.LagOffsetCost:Ht.LeadOffsetCost))**2}return t}priorByOffset(e){const t=Math.abs(this.offset-e)/1;return Math.tanh(this.value*Ht.PriorValueSigmoidFactor)-Math.tanh(t*Ht.PriorDistanceSigmoidFactor)}static zero(){return{zero:!0,totalCost:0,value:0,si:-1,ci:-1,deep:0,offset:0}}}var Vt=Node$2;const zt=$t,qt=Vt;var Gt=class Navigator$1{constructor(e,t,s={}){this.criterion=e,this.sample=t,this.getCursorOffset=s.getCursorOffset||(()=>null),this.outOfPage=s.outOfPage,this.bestNode=null,this.fineCursor=null,this.breakingSI=t.notes.length-1,this.zeroNode=qt.zero(),this.zeroNode.offset=this.getCursorOffset()||0,this.relocationThreshold=s.relocationThreshold||zt.RelocationThreshold}step(e){const t=this.sample.notes[e];if(t.matches.length>0){t.matches.forEach(t=>{t.evaluatePrev(this.zeroNode);for(let s=e-1;s>=Math.max(this.breakingSI+1,e-zt.SkipDeep);--s){const i=this.sample.notes[s];console.assert(i,"prevNote is null:",s,e,this.sample.notes),i.matches.forEach(e=>{const s=t.offset-e.offset;s<2/zt.LagOffsetCost&&s>-2/zt.LeadOffsetCost&&t.evaluatePrev(e)})}if(t.prior=t.totalCost>1.99?-1:t.priorByOffset(this.zeroNode.offset),t.prior>0&&this.outOfPage){const e=this.criterion.notes[t.ci].startTick;this.outOfPage(e)&&(t.prior-=.7)}}),t.matches.sort((e,t)=>t.prior-e.prior),this.cursors=t.matches;let s=null;const i=this.nullSteps(e),r=this.cursors[0];r&&r.totalCost<1&&(r.prior>0||r.totalCost<.4&&Math.log(Math.max(i*r.value,.001))>this.relocationThreshold)&&(this.zeroNode.offset=r.offset,s=r,(!this.bestNode||r.value>this.bestNode.value)&&(this.bestNode=r)),s?this.fineCursor=s:this.resetCursor(e,{breaking:!1})||(this.zeroNode.offset+=t.deltaSi*Math.tanh(i),console.assert(!Number.isNaN(this.zeroNode.offset),"zeroNode.offset is NaN.",t.deltaSi,i))}else this.cursors=[]}path({fromIndex:e=0,toIndex:t=this.sample.notes.length-1}={}){const s=[];let i=null;for(let r=t;r>=e;){const e=this.sample.notes[r];if(!e.matches.length||e.matches[0].prior<-.01||e.matches[0].totalCost>=1){s[r]=-1,--r;continue}null!=i&&(e.matches.forEach(e=>e.backPrior=e.totalCost<1.99?e.priorByOffset(i):-1),e.matches.sort((e,t)=>t.backPrior-e.backPrior));const t=e.matches[0];t.path.forEach((e,t)=>s[t]=e),i=t.root.offset,r=t.rootSi-1}return console.assert(s.length==t+1,"path length error:",s,e,t+1,this.sample.notes.length,this.sample.notes.length?this.sample.notes[this.sample.notes.length-1].index:null),s}nullSteps(e){return e-(this.fineCursor?this.fineCursor.si:-1)-1}resetCursor(e,{breaking:t=!0}={}){t&&(this.breakingSI=e);const s=this.getCursorOffset();return null!=s&&(this.zeroNode.offset=s,this.zeroNode.si=e,this.fineCursor=null,console.assert(!Number.isNaN(this.zeroNode.offset),"zeroNode.offset is NaN.",s),!0)}get relocationTendency(){const e=this.cursors&&this.cursors[0];if(!e)return null;const t=this.nullSteps(e.si);return t<=0?0:Math.log(Math.max(t*e.value,.001))/this.relocationThreshold}};const Wt=Vt,Ut=Gt,Yt=e=>Math.tanh(e/192),Xt=function(e,t,{softIndexFactor:s=1}={}){const i=e[t=Number(t)];if(t>0){const r=e[t-1];console.assert(null!=i.start,"note.start is null",i),console.assert(null!=r.start,"lastNote.start is null",r),i.deltaSi=Yt((i.start-r.start)*s),i.softIndex=r.softIndex+i.deltaSi,console.assert(!Number.isNaN(i.deltaSi),"note.deltaSi is NaN.",i.start,r.start)}else i.softIndex=0,i.deltaSi=0};var Kt={normalizeInterval:Yt,makeNoteSoftIndex:Xt,makeMatchNodes:function(e,t,s=Wt.zero()){e.matches=[];const i=t.pitchMap[e.pitch];if(i)for(const t of i){const i=new Wt(e,t);s&&i.evaluatePrev(s),e.matches.push(i)}},genNotationContext:function(e,{softIndexFactor:t=1}={}){for(let s=0;s"setTempo"==e.subtype)||(n.push({time:t,type:"meta",subtype:"timeSignature",numerator:4,denominator:4,thirtyseconds:8}),n.push({time:t,type:"meta",subtype:"setTempo",microsecondsPerBeat:e.microsecondsPerBeat}));let a=t||0;if(e.notes)for(const t of e.notes)n.push({time:t.start,type:"channel",subtype:"noteOn",channel:t.channel||0,noteNumber:t.pitch,velocity:t.velocity,finger:t.finger}),a=Math.max(a,t.start),Number.isFinite(s)&&(t.duration=t.duration||s),t.duration&&(n.push({time:t.start+t.duration,type:"channel",subtype:"noteOff",channel:t.channel||0,noteNumber:t.pitch,velocity:0}),a=Math.max(a,t.start+t.duration));if(e.events){const t=e.events.filter(e=>!Jt.includes(e.data.subtype));for(const e of t)n.push({time:e.time,...e.data}),a=Math.max(a,e.time)}return n.push({time:a+100,type:"meta",subtype:"endOfTrack"}),n.sort(function(e,t){return e.time-t.time}),n.map((e,t)=>({event:e,index:t})).filter(({event:e})=>"noteOn"==e.subtype&&null!=e.finger).reverse().forEach(({event:e,index:t})=>n.splice(t+1,0,{time:e.time,type:"meta",subtype:"text",text:`fingering(${e.finger})`})),n.forEach(e=>e.ticks=Math.round((e.time-t)*i)),n.forEach((e,t)=>e.deltaTime=e.ticks-(t>0?n[t-1].ticks:0)),{header:r,tracks:[n]}}var es={sliceMidi:(e,t,s)=>({header:e.header,tracks:e.tracks.map(e=>((e,t,s)=>{(e=>{let t=0;e.forEach(e=>{t+=e.deltaTime,e.tick=t})})(e);const i=[],r={};return e.forEach(e=>{e.tick>=t&&e.tick<=s&&"endOfTrack"!==e.subtype?i.push({...e,tick:e.tick-t}):e.ticki.push({...e,tick:0})),i.push({tick:s-t,type:"meta",subtype:"endOfTrack"}),(e=>{let t=0;e.sort((e,t)=>e.tick-t.tick).forEach(e=>{e.deltaTime=e.tick-t,t=e.tick})})(i),i})(e,t,s))}),encodeToMIDIData:Qt,encodeToMIDI:function(e,t){const s=Qt(e,t);return Zt.encodeMidiFile(s)}};var ts={MIDI:Ot,MusicNotation:Rt,MidiPlayer:Lt,Matcher:Kt,MidiUtils:es};const ss=["id","ids","pitch","velocity","track","channel","rest","tied","overlapped","implicitType","afterGrace","contextIndex","staffTrack","chordPosition","division"];class MetaNotation{static fromAbsoluteNotes(e,t,s){const i=new MetaNotation(s);return i.measures=Array(t.length).fill(null).map((s,i)=>{const r=t[i],n=t[i+1]?t[i+1]-r:0,a=e.filter(e=>e.measure===i+1).map(e=>({tick:e.startTick-r,duration:e.endTick-e.startTick,...v.default(e,ss),subNotes:[]}));return a.forEach(e=>["rest","tied","implicitType","afterGrace"].forEach(t=>{e[t]||delete e[t]})),{tick:r,duration:n,notes:a}}),i.idTrackMap=e.reduce((e,t)=>(t.id&&(e[t.id]=t.track),e),{}),i}static performAbsoluteNotes(e,{withRestTied:t=!1}={}){const s=e.filter(e=>(t||!e.rest&&!e.tied)&&!e.overlapped).map(e=>({measure:e.measure,channel:e.channel,track:e.track,start:e.start,startTick:e.startTick,endTick:e.endTick,pitch:e.pitch,duration:e.duration,velocity:e.velocity||127,id:e.id,ids:e.ids,staffTrack:e.staffTrack,contextIndex:e.contextIndex,implicitType:e.implicitType,chordPosition:e.chordPosition})).reduce((e,t)=>{const s=`${t.channel}|${t.start}|${t.pitch}`,i=e[s];return i?i.ids.push(...t.ids):e[s]=t,e},{});return Object.values(s)}constructor(e){this.ripe=!1,e&&Object.assign(this,e)}get trackTickBias(){const e=this.measures[0];return this.trackNames.reduce((t,s,i)=>{if(t[s]=0,e){const r=e.notes.find(e=>e.track===i);r&&(t[s]=Math.min(r.tick,0))}return t},{})}get idSet(){return this.measures.reduce((e,t)=>(t.notes.filter(e=>!e.rest).forEach(t=>t.ids.forEach(t=>e.add(t))),e),new Set)}toJSON(){return{__prototype:"LilyNotation",measures:this.measures,idTrackMap:this.idTrackMap,trackNames:this.trackNames,ripe:this.ripe}}toAbsoluteNotes(e){let t=0;const s=e.map(e=>{const s=this.measures[e-1];console.assert(!!s,"invalid measure index:",e,this.measures.length);const i=s.notes.map(s=>({startTick:t+s.tick,endTick:t+s.tick+s.duration,start:t+s.tick,duration:s.duration,measure:e,...v.default(s,ss)}));return t+=s.duration,i});return[].concat(...s)}toPerformingNotation(e,t={}){const s=this.toAbsoluteNotes(e),i=MetaNotation.performAbsoluteNotes(s,t),r=Math.max(...i.map(e=>e.start+e.duration)),n=e.reduce((e,t)=>e+this.measures[t-1].duration,0);return new ts.MusicNotation.Notation({ticksPerBeat:480,meta:{},tempos:[],channels:[i],endTime:r,endTick:n})}toPerformingMIDI(e,{trackList:t}={}){if(!e.length)return null;const s=-Math.min(0,...this.measures[0]?.events.map(e=>e.ticks)||[],...this.measures[0]?.notes.map(e=>e.tick)||[]);let i=s;const r=e.map(e=>{const t=this.measures[e-1];console.assert(!!t,"invalid measure index:",e,this.measures.length);const s=t.events.map(t=>({ticks:i+t.ticks,track:t.track,data:{...t.data,measure:e}}));return i+=t.duration,s}),n=e=>e.ticks+("noteOff"===e.subtype?-1e-8:0),a=[].concat(...r).reduce((e,t)=>(e[t.track]=e[t.track]||[],e[t.track].push({ticks:t.ticks,...t.data}),e),[]);a[0]=a[0]||[],i=s,e.map(e=>{const s=this.measures[e-1];console.assert(!!s,"invalid measure index:",e,this.measures.length),Number.isFinite(s.duration)&&(s.notes.forEach(s=>{if(t&&!t[s.track])return;if(s.rest)return;const r=i+s.tick,n=a[s.track]=a[s.track]||[];s.subNotes.forEach(t=>{n.push({ticks:r+t.startTick,measure:e,ids:s.ids,type:"channel",subtype:"noteOn",channel:s.channel,noteNumber:t.pitch,velocity:t.velocity,staffTrack:s.staffTrack,staff:s.staff}),n.push({ticks:r+t.endTick,measure:e,ids:s.ids,type:"channel",subtype:"noteOff",channel:s.channel,noteNumber:t.pitch,velocity:0,staffTrack:s.staffTrack,staff:s.staff})})}),i+=s.duration)});const o=i;for(let e=0;e{e.sort((e,t)=>n(e)-n(t));let t=0;e.forEach(e=>{e.deltaTime=e.ticks-t,Number.isFinite(e.deltaTime)?t=e.ticks:e.deltaTime=0}),e.push({deltaTime:Math.max(o-t,0),type:"meta",subtype:"endOfTrack"})}),{header:{formatType:0,ticksPerBeat:480},tracks:a,zeroTick:s}}toPerformingNotationWithEvents(e,t={}){if(!e.length)return null;const{zeroTick:s,...i}=this.toPerformingMIDI(e,t),r=ts.MusicNotation.Notation.parseMidi(i);is(r);let n=s;return r.measures=e.map(e=>{const t=n;return n+=this.measures[e-1].duration,{index:e,startTick:t,endTick:n}}),r}setTempo(e){let t=!1;for(const s of this.measures)for(const i of s.events)"setTempo"===i.data.subtype&&(i.data.microsecondsPerBeat=6e7/e,t=!0);return t}}const is=(e,t=["ids","measure","staffTrack"])=>{const s=(e,t,s)=>`${e}|${t}|${s}`,i=e.notes.reduce((e,t)=>(e[s(t.channel,t.pitch,t.startTick)]=t,e),{});e.events.forEach(e=>{if("noteOn"===e.data.subtype){const r=s(e.data.channel,e.data.noteNumber,e.ticks),n=i[r];console.assert(!!n,"cannot find note of",r),n&&Object.assign(n,v.default(e.data,t))}})};var rs,ns={exports:{}},as={exports:{}};as.exports=rs=rs||function(e,t){var s;if("undefined"!=typeof window&&window.crypto&&(s=window.crypto),"undefined"!=typeof self&&self.crypto&&(s=self.crypto),"undefined"!=typeof globalThis&&globalThis.crypto&&(s=globalThis.crypto),!s&&"undefined"!=typeof window&&window.msCrypto&&(s=window.msCrypto),!s&&"undefined"!=typeof global&&global.crypto&&(s=global.crypto),!s)try{s=require("crypto")}catch(e){}var i=function(){if(s){if("function"==typeof s.getRandomValues)try{return s.getRandomValues(new Uint32Array(1))[0]}catch(e){}if("function"==typeof s.randomBytes)try{return s.randomBytes(4).readInt32LE()}catch(e){}}throw new Error("Native crypto module could not be used to get secure random number.")},r=Object.create||function(){function e(){}return function(t){var s;return e.prototype=t,s=new e,e.prototype=null,s}}(),n={},a=n.lib={},o=a.Base={extend:function(e){var t=r(this);return e&&t.mixIn(e),t.hasOwnProperty("init")&&this.init!==t.init||(t.init=function(){t.$super.init.apply(this,arguments)}),t.init.prototype=t,t.$super=this,t},create:function(){var e=this.extend();return e.init.apply(e,arguments),e},init:function(){},mixIn:function(e){for(var t in e)e.hasOwnProperty(t)&&(this[t]=e[t]);e.hasOwnProperty("toString")&&(this.toString=e.toString)},clone:function(){return this.init.prototype.extend(this)}},c=a.WordArray=o.extend({init:function(e,s){e=this.words=e||[],this.sigBytes=s!=t?s:4*e.length},toString:function(e){return(e||u).stringify(this)},concat:function(e){var t=this.words,s=e.words,i=this.sigBytes,r=e.sigBytes;if(this.clamp(),i%4)for(var n=0;n>>2]>>>24-n%4*8&255;t[i+n>>>2]|=a<<24-(i+n)%4*8}else for(var o=0;o>>2]=s[o>>>2];return this.sigBytes+=r,this},clamp:function(){var t=this.words,s=this.sigBytes;t[s>>>2]&=4294967295<<32-s%4*8,t.length=e.ceil(s/4)},clone:function(){var e=o.clone.call(this);return e.words=this.words.slice(0),e},random:function(e){for(var t=[],s=0;s>>2]>>>24-r%4*8&255;i.push((n>>>4).toString(16)),i.push((15&n).toString(16))}return i.join("")},parse:function(e){for(var t=e.length,s=[],i=0;i>>3]|=parseInt(e.substr(i,2),16)<<24-i%8*4;return new c.init(s,t/2)}},h=l.Latin1={stringify:function(e){for(var t=e.words,s=e.sigBytes,i=[],r=0;r>>2]>>>24-r%4*8&255;i.push(String.fromCharCode(n))}return i.join("")},parse:function(e){for(var t=e.length,s=[],i=0;i>>2]|=(255&e.charCodeAt(i))<<24-i%4*8;return new c.init(s,t)}},m=l.Utf8={stringify:function(e){try{return decodeURIComponent(escape(h.stringify(e)))}catch(e){throw new Error("Malformed UTF-8 data")}},parse:function(e){return h.parse(unescape(encodeURIComponent(e)))}},f=a.BufferedBlockAlgorithm=o.extend({reset:function(){this._data=new c.init,this._nDataBytes=0},_append:function(e){"string"==typeof e&&(e=m.parse(e)),this._data.concat(e),this._nDataBytes+=e.sigBytes},_process:function(t){var s,i=this._data,r=i.words,n=i.sigBytes,a=this.blockSize,o=n/(4*a),l=(o=t?e.ceil(o):e.max((0|o)-this._minBufferSize,0))*a,u=e.min(4*l,n);if(l){for(var h=0;h>>7)^(d<<14|d>>>18)^d>>>3,g=l[f-2],y=(g<<15|g>>>17)^(g<<13|g>>>19)^g>>>10;l[f]=p+l[f-7]+y+l[f-16]}var v=i&r^i&n^r&n,x=(i<<30|i>>>2)^(i<<19|i>>>13)^(i<<10|i>>>22),S=m+((o<<26|o>>>6)^(o<<21|o>>>11)^(o<<7|o>>>25))+(o&u^~o&h)+c[f]+l[f];m=h,h=u,u=o,o=a+S|0,a=n,n=r,r=i,i=S+(x+v)|0}s[0]=s[0]+i|0,s[1]=s[1]+r|0,s[2]=s[2]+n|0,s[3]=s[3]+a|0,s[4]=s[4]+o|0,s[5]=s[5]+u|0,s[6]=s[6]+h|0,s[7]=s[7]+m|0},_doFinalize:function(){var e=this._data,s=e.words,i=8*this._nDataBytes,r=8*e.sigBytes;return s[r>>>5]|=128<<24-r%32,s[14+(r+64>>>9<<4)]=t.floor(i/4294967296),s[15+(r+64>>>9<<4)]=i,e.sigBytes=4*s.length,this._process(),this._hash},clone:function(){var e=n.clone.call(this);return e._hash=this._hash.clone(),e}});s.SHA256=n._createHelper(u),s.HmacSHA256=n._createHmacHelper(u)}(Math),e.SHA256}(as.exports);var os=ns.exports;class HashVector{static fromHash(e){const t=[];for(const s of e)for(let e=0;e<8;++e)t.push(s>>e&1?1:-1);return new HashVector(t)}static fromString(e){const t=(e=>{const{words:t,sigBytes:s}=os(e),i=t.map(e=>e<0?e+4294967296:e),r=s/t.length;return new Uint8Array(s).map((e,t)=>i[Math.floor(t/r)]>>8*(3-t%r)&255)})(e);return HashVector.fromHash(t)}static fromWords(e){return e.map(e=>HashVector.fromString(e)).reduce((e,t)=>e.add(t),HashVector.zero)}static concat(...e){const t=e.map(e=>e.fields).flat(1);return new HashVector(t)}constructor(e=null){this.fields=e||Array(256).fill(0)}get length(){return this.fields.length}toHash(){return Uint8Array.from(Array(this.length/8).fill(0).map((e,t)=>this.fields.slice(8*t,8*(t+1)).reduce((e,t,s)=>e|(t>0?1:0)<this.fields[s]=t+e.fields[s]),this}scale(e){return this.fields=this.fields.map(t=>t*e),this}sub(e){const t=e>0?this.fields.slice(0,e):this.fields.slice(e);return new HashVector(t)}static get zero(){return new HashVector}}const cs=Array(256).fill(0).map((e,t)=>(e=>{let t=0;for(let s=e;s>0;s>>=1)s%2&&++t;return t})(t));cs.reduce((e,t,s)=>({...e,[("0"+s.toString(16)).slice(-2)]:t}),{});const ls=(e,t)=>{const s=8*e.length,i=((e,t)=>e.map((e,s)=>e^t[s]))(e,t);return(s-2*i.reduce((e,t)=>e+cs[t],0))/s},us=e=>("0"+e.toString(16)).slice(-2);var hs={Matrix:function(){}};hs.Matrix.create=function(e){return(new hs.Matrix).setElements(e)},hs.Matrix.I=function(e){for(var t,s=[],i=e;i--;)for(t=e,s[i]=[];t--;)s[i][t]=i===t?1:0;return hs.Matrix.create(s)},hs.Matrix.prototype={dup:function(){return hs.Matrix.create(this.elements)},isSquare:function(){var e=0===this.elements.length?0:this.elements[0].length;return this.elements.length===e},toRightTriangular:function(){if(0===this.elements.length)return hs.Matrix.create([]);var e,t,s,i,r=this.dup(),n=this.elements.length,a=this.elements[0].length;for(t=0;t=n&&l[a].push(r);for(o.elements[a]=s,e=a;e--;){for(s=[],t=0;t1===e?null:(e=>{const t=Math.round(1920*e);return Oe(t,1920)})(e);var ds,ps,gs;!function(e){e[e.PLACE=0]="PLACE",e[e.VERTICAL=1]="VERTICAL",e[e.HORIZONTAL=2]="HORIZONTAL"}(ds||(ds={}));class Action{constructor(e){Object.assign(this,e)}static P(e){return new Action({type:ds.PLACE,e1:e})}static V(e,t,s=1){return new Action({type:ds.VERTICAL,e1:s>0?e:t,e2:s>0?t:e})}static H(e,t){return new Action({type:ds.HORIZONTAL,e1:e,e2:t})}get id(){switch(this.type){case ds.PLACE:return this.e1.toString();case ds.VERTICAL:return`${this.e1}|${this.e2}`;case ds.HORIZONTAL:return`${this.e1}-${this.e2>=0?this.e2:"."}`}}get events(){return[this.e1,this.e2].filter(Number.isFinite)}}class StageMatrix{static fromNode(e,t){const s=Array(e.stages.length).fill(null).map(()=>Array(e.stages.length).fill(null).map(()=>new Set));e.actions.filter(e=>e.type===ds.HORIZONTAL).forEach(t=>{const i=e.stages.findIndex(e=>e.events.includes(t.e1)),r=e.stages.findIndex(e=>e.events.includes(t.e2));console.assert(i>=0&&r>=0,"invalid stages for H action:",e.id,e.stages,t),s[i][r].add(t.e1)}),s[0][e.stages.length-1].add(0);const i=e.stagedEvents,r=t.matrixH[t.matrixH.length-1].filter((e,t)=>!i.has(t)),n=Math.max(0,Math.max(...r)-.01),a=e.actions.filter(e=>e.type===ds.HORIZONTAL),o=Object.keys(t.eventMap).map(Number).filter(e=>!a.find(t=>t.e2===e));return e.stages.forEach(i=>{i.events.forEach(r=>{if(r>0){!a.find(e=>e.e1===r)&&t.matrixH[t.matrixH.length-1][r]>=n&&(o.some(e=>t.matrixH[e][r]>0)||s[i.index][e.stages.length-1].add(r))}})}),new StageMatrix({matrix:s})}constructor(e){Object.assign(this,e)}pathOf(e,t,s,i=0){if(this.matrix[e][t].size){const r=[...this.matrix[e][t]][i];if(t===s)return[r];for(let e=t+1;e<=s;++e){const i=this.pathOf(t,e,s);if(i)return[r,...i]}}return null}findDoublePath(e,t){const s=[];for(let i=t;i>=e+1;--i)for(let r=0;rt.forEach(t=>e.forEach(e=>t.delete(e))))}toEquations(e){const t=[];for(let s=1;sn[e]=1),r.forEach(e=>n[e]=-1),t.push(n),this.reducePath(i.length>r.length?i:r)}}}return t}}class PathNode{constructor(e){Object.assign(this,e),console.assert(this.logger,"logger is null:",e)}get actions(){const e=this.parent?this.parent.actions:[];return this.action?[...e,this.action]:e}get id(){return this.actions.map(e=>e.id).sort().join(" ")}get stagedEvents(){const e=new Set;return this.stages&&this.stages.forEach(t=>t.events.forEach(t=>t>=0&&e.add(t))),e}like(e){return e.split(" ").sort().join(" ")===this.id}constructStages(e){this.stages=[{events:[-1]}];for(const t of this.actions)switch(t.type){case ds.PLACE:this.stages.unshift({events:[t.e1]});break;case ds.VERTICAL:{const e=this.stages.find(e=>e.events.includes(t.e1)),s=this.stages.find(e=>e.events.includes(t.e2));console.assert(e||s,"invalid V action:",this.stages,t),e&&s?(e.events.push(...s.events),s.events=null,this.stages=this.stages.filter(e=>e.events)):e?s||e.events.push(t.e2):s.events.unshift(t.e1)}break;case ds.HORIZONTAL:{const s=this.stages.find(e=>e.events.includes(t.e1)),i=this.stages.find(e=>e.events.includes(t.e2));console.assert(s||i,"invalid H action:",this.stages,t);const r=s=>{console.assert(e.eventMap[s],"invalid event id:",t.id,s,e.eventMap);const i=e.eventMap[s].x,r=this.stages.find(t=>t.events.some(t=>t>0&&e.eventMap[t].x<=i)&&t.events.some(t=>t>0&&e.eventMap[t].x>=i));if(r)r.events.push(s);else{const t={events:[s]},r=this.stages.findIndex(t=>-1===t.events[0]||e.eventMap[t.events[0]].x>=i);this.stages.splice(r,0,t)}};s||r(t.e1),i||r(t.e2)}}this.stages.forEach((e,t)=>e.index=t)}constructConstraints(e){const t=Object.keys(e.eventMap).length,s=StageMatrix.fromNode(this,e).toEquations(t),i=Array(t).fill(null).map((t,s)=>e.eventMap[s].duration);this.constraints=s.map(e=>e.map((e,t)=>e*i[t]))}inbalancesConstraints(e){console.assert(this.constraints,"constraints not constructed.");const t=Object.keys(e.eventMap).length,s=Array(t).fill(!0),i=Array(t).fill(!1),r=[];for(const e of this.constraints){const t=e.reduce((e,t)=>e+t,0);if(0!==t){const n=t<0?e.map(e=>-e):e;if(n[0]>0)continue;r.push(n),n.forEach((e,t)=>{i[t]=i[t]||e<0,e&&(s[t]=e<0||i[t])})}}return this.constraints.forEach(e=>{0!==e.reduce((e,t)=>e+t,0)||e[0]||e.some((e,t)=>e&&!s[t])&&(e.forEach((e,t)=>e&&(s[t]=!1)),r.push(e))}),{ones:s,inbalances:r}}solveEquations({ones:e,inbalances:t}){if(!t.length)return e.map(()=>1);const s=e.map((e,t)=>({fixed:e,i:t})).filter(({fixed:e})=>!e).map(({i:e})=>e).filter(e=>t.some(t=>0!==t[e]));if(!s.length)return e.map(()=>1);const i=s.map(e=>Math.abs(t.find(t=>0!==t[e])[e])),r=new Map;let n=!1;const a=t.map(e=>({line:e.filter((e,t)=>s.includes(t)),bias:-e.reduce((e,t,i)=>e+(s.includes(i)?0:t),0)})).filter(({line:e,bias:t})=>{if(e.every(e=>0===e))return!1;const s=e.join(",");return r.has(s)?(n=r.get(s)!==t,!1):(r.set(s,t),!0)});if(n)return null;const o=a.slice(0,s.length),c=a.slice(s.length);if(o.lengths===t?1:s===r?-1:0),bias:0,prior:(i[t]+i[r])/ms};o.some(e=>e.line[t]&&e.line[r])&&(n.prior-=10),o.some(e=>1===e.line.filter(Number).length&&(e.line[t]||e.line[r]))&&(n.prior+=1),e.push(n)}e.sort((e,t)=>e.prior-t.prior),o.push(...e.slice(0,s.length-o.length))}const l=o.map(({line:e})=>e),u=o.map(({bias:e})=>e),h=function(e){const t=hs.Matrix.create(e).inverse();return null!==t?t.elements:null}(l);if(!h)return this.logger.warn("null invert:",l),null;const m=h.map(e=>e.reduce((e,t,s)=>e+t*u[s],0));if(c.length&&c.some(e=>Math.abs(e.line.reduce((e,t,s)=>e+t*m[s],0))>.001))return null;const f=e.map(()=>1);return s.forEach((e,t)=>f[e]=m[t]),f}optimallySolve(e){const{ones:t,inbalances:s}=this.inbalancesConstraints(e),i=t.map((t,s)=>t?-1:Ne(e.eventMap[s].shrinkness,.01)).reduce((e,t,s)=>(t>=0&&(e[t]=e[t]||[],e[t].push(s)),e),{}),r=Object.entries(i).sort((e,t)=>Number(t[0])-Number(e[0])).map(e=>e[1]);for(let i=1;i!n.includes(t)),o=this.solveEquations({ones:a,inbalances:s});if(o&&o.every((t,s)=>t<=1&&t>e.eventMap[s].lowWarp))return o}return this.solveEquations({ones:t,inbalances:s})}isConflicted(e){const{ones:t,inbalances:s}=this.inbalancesConstraints(e);for(const i of s){if(i.reduce((s,i,r)=>s+i*(t[r]||i<=0?1:e.eventMap[r].lowWarp),0)>=0)return i.forEach((t,s)=>{t&&(e.eventTendencies[s]+=t>0?1:-1)}),!0}if(!s.length)return!1;const i=this.solveEquations({ones:t,inbalances:s});return!i||!i.every((t,s)=>t>e.eventMap[s].lowWarp&&t<=1)}getSolution(e){const t=t=>e.eventMap[t.e2]?e.eventMap[t.e2].x+.06*Math.abs(e.eventMap[t.e2].x-e.eventMap[t.e1].x):e.eventMap[t.e1].x+1e4,s=this.actions.filter(e=>e.type===ds.HORIZONTAL).sort((e,s)=>t(e)-t(s)),i=s.reduce((e,t)=>({...e,[t.e1]:t.e2}),{}),r=new Set([...Object.keys(i)].map(Number));s.forEach(e=>r.delete(e.e2)),this.stages[0].events.forEach(e=>e>0&&r.add(e));let n=[...r].map(e=>{const t=[e];let s=e;for(;i[s]&&(s=i[s],!(s<0||t.includes(s)));)t.push(s);return t});const a=Object.values(e.eventMap).filter(e=>e.id>0).map(e=>({id:e.id,tick:null,endTick:null,tickGroup:null,timeWarp:null})),o=a.filter(e=>n.some(t=>t.includes(e.id))||s.some(t=>[t.e1,t.e2].includes(e.id))).reduce((e,t)=>({...e,[t.id]:t}),{});this.stages.forEach((e,t)=>e.events.forEach(e=>o[e]&&(o[e].tickGroup=t))),this.stages[0].tick=0,this.stages[0].events.forEach(e=>o[e]&&(o[e].tick=0));const c=this.optimallySolve(e);a.forEach(e=>e.timeWarp=fs(c[e.id]));const l=this.stages.slice(0,this.stages.length-1),u=()=>{if(l.every(e=>Number.isFinite(e.tick)))return!1;let t=!1;return s.forEach(s=>{const i=this.stages.find(e=>e.events.includes(s.e1)),r=this.stages.find(e=>e.events.includes(s.e2));Number.isFinite(i.tick)&&!Number.isFinite(r.tick)&&(r.tick=i.tick+Ae(e.eventMap[s.e1].duration,o[s.e1].timeWarp),r.events.forEach(e=>o[e]&&(o[e].tick=r.tick)),t=!0)}),[...s].reverse().forEach(s=>{const i=this.stages.find(e=>e.events.includes(s.e1)),r=this.stages.find(e=>e.events.includes(s.e2));!Number.isFinite(i.tick)&&Number.isFinite(r.tick)&&(i.tick=r.tick-Ae(e.eventMap[s.e1].duration,o[s.e1].timeWarp),i.events.forEach(e=>o[e]&&(o[e].tick=i.tick)),t=!0)}),t};for(;u(););console.assert(l.every(e=>Number.isFinite(e.tick)),"stage ticks not all solved:",this.stages,this.id),a.filter(e=>Number.isFinite(e.tick)).forEach(t=>t.endTick=t.tick+Ae(e.eventMap[t.id].duration,t.timeWarp));const h=e.eventMap[0].duration;n.forEach(e=>{const t=e.findIndex(e=>o[e].endTick>h);if(t>=0){e.splice(t,e.length-t).forEach(e=>{o[e].tick=null,o[e].endTick=null})}}),n=n.filter(e=>e.length);const m=Math.max(0,...a.map(e=>e.endTick).filter(Number.isFinite));return this.logger.debug(String.fromCodePoint(127822),this.id,c),{voices:n,events:a,duration:m,actions:this.actions.map(e=>e.id).join(" ")}}deduce(e,t){this.stages||this.constructStages(e);const s=e.actionAccessing.get(this.id)||{times:0};if(++s.times,e.actionAccessing.set(this.id,s),this.constructConstraints(e),this.isConflicted(e))return s.closed=!0,this.logger.info(this.action.id,"❌"),null;if(this.logger.group(this.action&&this.action.id),t.credits>0){if(--t.credits,this.children||this.expand(e),this.children=this.children.filter(t=>!e.actionAccessing.get(t.id)||!e.actionAccessing.get(t.id).closed),this.children.length){const s=t=>t.possibility/((e.actionAccessing.get(t.id)||{times:0}).times+1);this.children.sort((e,t)=>s(t)-s(e));for(const s of this.children){const i=s.deduce(e,t);if(i)return this.logger.groupEnd(),i;if(t.credits<=0)break}}}else this.logger.debug("quota exhausted.");return this.logger.groupEnd(),s.closed=!0,this.getSolution(e)}expand(e){this.constructStages(e);const{eventMap:t,matrixV:s,matrixH:i}=e,r=this.stagedEvents,n=[],a=e=>{if(!this.actions.some(t=>t.id===e.action.id)&&!n.some(t=>t.action.id===e.action.id)){const t=this.stages.find(t=>t.events.includes(e.action.e1)),i=this.stages.find(t=>t.events.includes(e.action.e2));if(t===i||t&&i&&t.index>=i.index)return;if(t&&i)if(e.action.type===ds.VERTICAL){if(i.index-t.index>1)return;if(this.actions.some(e=>t.events.includes(e.e1)&&i.events.includes(e.e2)))return}else if(e.action.type===ds.HORIZONTAL&&t.index>i.index)return;if(e.action.type===ds.HORIZONTAL&&this.actions.some(t=>t.type===ds.HORIZONTAL&&(t.e1===e.action.e1||t.e2===e.action.e2||t.e1===e.action.e2&&t.e2===e.action.e1)))return;if(e.action.type===ds.VERTICAL){if(t&&(e.possibility=Math.min(e.possibility,...t.events.map(t=>s[e.action.e2][t])),e.possibility<=0))return;if(i&&(e.possibility=Math.min(e.possibility,...i.events.map(t=>s[t][e.action.e1])),e.possibility<=0))return}n.push(e)}};for(const e of r)e<0||(s[e].forEach((t,s)=>{t>0&&e!==s&&a({action:Action.V(s,e),possibility:t})}),s.forEach((t,s)=>{const i=t[e];i>0&&a({action:Action.V(e,s),possibility:i})}),i[e].forEach((t,s)=>{t>0&&a({action:Action.H(s,e),possibility:t})}),i.forEach((s,i)=>{i=i>=Object.keys(t).length?-1:i;const r=s[e];r>0&&a({action:Action.H(e,i),possibility:r})}));n.some(e=>[ds.HORIZONTAL,ds.PLACE].includes(e.action.type)||!r.has(e.action.e1)||!r.has(e.action.e2))?this.children=n.map(e=>new PathNode({logger:this.logger,parent:this,...e})):this.children=[]}}class Solver{constructor(e,{quota:t=1e3,logger:s=new DummyLogger}={}){this.quota=t,this.logger=s;const i={id:0,x:0,confidence:1,shrinkness:e.measureShrinkness,duration:e.expectedDuration,lowWarp:0};this.events=[i,...e.events.map(e=>({id:e.id,x:e.x,confidence:e.confidence,shrinkness:e.shrinkness,staff:e.staff,duration:e.duration,lowWarp:.5}))],this.eventMap=this.events.reduce((e,t)=>({...e,[t.id]:t}),{}),this.matrixH=e.matrixH,this.matrixV=e.matrixV,this.xSpan=e.endX-Math.min(e.endX-1,...e.events.map(e=>e.x)),this.actionAccessing=new Map}solve(){this.pathRoot=new PathNode({logger:this.logger,action:null}),this.pathRoot.children=this.events.slice(1).map(e=>new PathNode({logger:this.logger,parent:this.pathRoot,action:Action.P(e.id),possibility:this.matrixV[e.id].reduce((e,t)=>e+t,0)}));let e=null;this.logger.groupCollapsed("solve");const t=Array(this.events.length).fill(0),s={credits:this.quota,times:0};for(;s.credits>0;){++s.times;const i={eventMap:this.eventMap,matrixH:this.matrixH,matrixV:this.matrixV,actionAccessing:this.actionAccessing,eventTendencies:t},r=this.pathRoot.deduce(i,s);if(r.credits=this.quota-s.credits,r.times=s.times,this.evaluateSolution(r),this.logger.debug("loss:",r.loss),e=!e||r.losse/s.times)),e}evaluateSolution(e){e.loss=0;const t=e.events.reduce((e,t)=>({...e,[t.id]:{...t,...this.eventMap[t.id]}}),{}),s=e.events.filter(e=>Number.isFinite(e.tick)).map(e=>t[e.id]),i=s.reduce((e,t)=>(e[t.staff]=e[t.staff]||[],e[t.staff].push(t),e),{});Object.values(i).forEach(t=>{t.sort((e,t)=>e.x-t.x).slice(0,t.length-1).forEach((s,i)=>{t[i+1].tick{if(Number.isFinite(s.tick)&&!e.voices.every(e=>!e.includes(s.id))||(e.loss+=100*t[s.id].confidence),s.timeWarp){const{numerator:e,denominator:i}=s.timeWarp,n=t[s.id].shrinkness;r.set(e,Math.max(r.get(e)||0,1-n)),r.set(i,Math.max(r.get(i)||0,1-n))}});const n=Oe(e.duration,this.eventMap[0].duration);r.set(n.numerator,Math.max(r.get(n.numerator)||0,1-this.eventMap[0].shrinkness)),r.set(n.denominator,Math.max(r.get(n.denominator)||0,1-this.eventMap[0].shrinkness));for(const[t,s]of r.entries())t>1&&(e.loss+=Math.log(t)*s);let a=0,o=0;e.voices.forEach(s=>{console.assert(t[s[0]],"invalid voice:",s,Object.keys(t));const i=Math.abs(t[s[0]].tick),r=t[s[s.length-1]].endTick;a+=Math.max(0,i+e.duration-r);let n=null;s.forEach(e=>{const s=t[e];s.staff!==n&&(null!==n&&++o,n=s.staff)})}),e.loss+=10*a/ms,e.loss+=5**o-1;const c=[...s].sort((e,t)=>e.x-t.x),l=c.slice(1).map((t,s)=>{const i=c[s],r=t.x-i.x,n=t.tick-i.tick;if(!n)return r/this.xSpan;return(4*Math.atan2(n/e.duration,r/this.xSpan)/Math.PI-1)**2}),u=Math.max(...l,0);e.loss+=u**2,console.assert(e.loss>=0,"Invalid solution loss!!!",e.loss,r,a,o),e.loss<0&&(e.loss=1/0)}}class PatchMeasure extends SimpleClass{constructor(e){super(),Object.assign(this,e)}get staffN(){return Math.floor(Math.log2(this.staffMask))+1}get basics(){return Array(this.staffN).fill(this.basic)}get duration(){return Math.max(0,...this.voices.map(e=>e.map(e=>this.events.find(t=>t.id===e)).reduce((e,t)=>e+t.duration,0)))}}PatchMeasure.className="PatchMeasure",function(e){e[e.PAD=0]="PAD",e[e.BOS=1]="BOS",e[e.EOS=2]="EOS",e[e.CHORD=3]="CHORD",e[e.REST=4]="REST"}(ps||(ps={}));class EventCluster extends SimpleClass{constructor(e){super(),super.assign(e)}get regular(){return this.elements.some(e=>[ps.CHORD,ps.REST].includes(e.type)&&!e.fake)&&this.elements.every(e=>[e.x,e.y1,e.y2,e.tick].every(Number.isFinite))&&this.elements.slice(1).every((e,t)=>e.fake||this.elements[t].fake||e.grace||this.elements[t].grace||e.fullMeasure||this.elements[t].fullMeasure||e.tick<=this.elements[t].tick||e.x>this.elements[t].x)}get grant(){return this.annotation&&this.annotation.grant}get feature(){return{index:this.index,elements:this.elements}}get estimatedDuration(){const e=this.elements.find(e=>e.type===ps.EOS),t=e?.predisposition?e.predisposition?.tick:e?.tick;return Number.isFinite(t)?t:this.duration}assignPrediction(e){console.assert(e.index===this.index,"index mismatch:",e.index,this.index),this.matrixH=e.matrixH,e.elements.forEach(e=>{const{index:t,...s}=e,i=this.elements.find(e=>e.index===t);console.assert(i,"element not found:",t),i&&(i.predisposition=s)})}}EventCluster.className="EventCluster",EventCluster.blackKeys=["id"];class EventClusterSet extends SimpleClass{constructor(e){super(),super.assign(e)}trimIrregular(){let e=0;return this.clusters=this.clusters.filter(t=>{const s=t.regular;return s||(console.debug("irregular cluster:",t),++e),s}),e?console.debug("Irregular clusters trimmed:",`${e}/${this.clusters.length+e}`):console.debug(`The EventClusterSet (${this.clusters.length}) is fine.`),e}}EventClusterSet.className="EventClusterSet",function(e){e.computeMeasureTicks=e=>{const t=(e=>{const t=new Map;return e.rows.forEach(e=>{if(1===e.events.length){const t=e.events[0];t.rest&&0===t.division&&(t.rest="R")}}),e.events.forEach(e=>{const s=Math.round(10*e.pivotX)/10;let i=0;i=e.fullMeasureRest?Math.min(s,...t.keys()):[...t.keys()].find(s=>{const i=t.get(s),r=Math.min(...i.map(e=>e.left)),n=Math.max(...i.map(e=>e.right));return Math.min(n,e.right)-Math.max(r,e.left)>.62*w.NoteheadS1})||s,e.roundX=i;const r=t.get(i)||[];t.set(i,r),r.push(e)}),t})(e);let s=0;const i=new Set([s]),r=[...t.entries()].sort(([e],[t])=>e-t);for(const[e,t]of r)t.forEach(e=>{e.predisposition&&(e.rest=e.rest&&e.predisposition.fullMeasure>.5?"R":e.rest,e.grace=e.predisposition.grace?Ve.Grace:null,e.division=$e(e.predisposition.divisionVector),e.dots=$e(e.predisposition.dotsVector),e.predisposition.timeWarped>.5&&(e.timeWarp=_e(2,3))),e.fullMeasureRest?e.tick=0:(e.zeroHolder&&(s-=e.duration),!e.zeroHolder&&e.predisposition&&Number.isInteger(e.predisposition.tick)?e.tick=e.predisposition.tick:e.tick=s,i.add(e.tick+e.duration))}),i.delete(s),i.size&&(s=Math.min(...i));Number.isInteger(e.estimatedDuration)?e.duration=e.estimatedDuration:e.duration=Math.max(...i,0)},e.computeMeasureVoices=e=>{e.voices=[];for(const t of e.rows){const s=t.events.filter(e=>!(e.grace||e.tremoloCatcher||e.fullMeasureRest||e.predisposition&&e.predisposition.fake>.5)),i=new Set(s);for(;i.size;){let t=0;const r=[],n=e=>{r.push(e.id),e.zeroHolder||(t+=e.duration),i.delete(e)},a=s.find(e=>i.has(e));for(a.alignedTick>0&&(t=a.alignedTick),n(a);;){const e=s.find(e=>i.has(e)&&e.alignedTick===t);if(!e)break;n(e)}e.voices.push(r)}}}}(gs||(gs={}));var ys;!function(e){const t=1921920,s=.7071067811865475,i=[[null,null],[null,ze.Open],[ze.Open,ze.Continue],[ze.Open,ze.Close],[ze.Continue,ze.Continue],[ze.Continue,ze.Close],[ze.Close,null],[ze.Close,ze.Open]].map(e=>e.join("-")),r=(e,t)=>{if(!e.events.length)return{events:[],voices:[],duration:0};return new Solver(e,t).solve()};e.estiamteMeasure=e=>{const r=e.events.filter(e=>!e.zeroHolder).map(s=>({id:s.id,staff:s.staff,x:s.x,tickEstimated:s.predisposition&&Number.isFinite(s.predisposition.tick)?s.predisposition.tick:s.x,tipX:s.tipX,y:s.tipY+100*s.staff,duration:s.mainDuration*t/je,division:s.division,dots:s.dots,stemDirection:s.stemDirection,beam:s.beam,rest:s.rest,pR:"R"===s.rest?1:"r"===s.rest&&0===s.division?Math.tanh(s.x-e.eventStartX):0,fakeP:s.predisposition&&s.predisposition.fakeP||0,shrinkness:s.predisposition?s.predisposition.timeWarped:null}));let n=t*e.timeSignature.numerator/e.timeSignature.denominator;Number.isFinite(e.estimatedDuration)&&(n=Math.max(n,Ne(e.estimatedDuration,480480)));const a=e.staffGroups.reduce((e,t,s)=>(t.forEach(t=>e[t]=s),e),{}),o=[0,...r.map(e=>e.id)],c=r.map(t=>({...t,id:o.indexOf(t.id),x:t.x-e.startX,confidence:(1-t.pR)*(1-t.fakeP),shrinkness:Number.isFinite(t.shrinkness)?t.shrinkness:Math.tanh((t.division-.1*t.dots)/4),staffGroup:a[t.staff]})),l=Array(o.length+1).fill(null).map(()=>Array(o.length).fill(0)),u=Array(o.length).fill(null).map(()=>Array(o.length).fill(0)),h=e=>S.default(e/1.6)*S.default(1.6/e);for(const t of c){for(const e of c){if(u[t.id][e.id]=t!==e&&t.tickEstimated>=e.tickEstimated?1-S.default((t.tickEstimated-e.tickEstimated)*s/.6):0,t.staffGroup!==e.staffGroup)l[t.id][e.id]=0;else if(t.x<=e.x)l[t.id][e.id]=0;else{const s=Math.exp(2*-Math.abs(t.staff-e.staff)),i=t.staff===e.staff?Math.exp(-Math.abs(t.y-e.y)/16):1,r=t.x-e.x,n=t.tipX-e.tipX;l[t.id][e.id]=(s*i*Math.min(h(r),h(n)))**(1/3)}const r=(1-t.pR)*(1-e.pR);u[t.id][e.id]*=r,l[t.id][e.id]*=r,u[t.id][e.id]<.01&&(u[t.id][e.id]=0),t.stemDirection&&e.stemDirection&&t.stemDirection!==e.stemDirection&&(l[t.id][e.id]*=.9),t.rest||e.rest||i.includes([e.beam,t.beam].join("-"))||(l[t.id][e.id]*=.2)}l[o.length][t.id]=h(e.width-t.x)**(1/3)}return{ids:o,events:c,expectedDuration:n,measureShrinkness:0,endX:e.position.right,matrixH:l,matrixV:u}},e.regulateMeasure=async(s,{solver:i=null,...n})=>{const a=e.estiamteMeasure(s),{ids:o,matrixH:c,matrixV:l}=a;if(s.matrixH){console.assert(s.matrixH.length>o[o.length-1]&&s.matrixH[0].length>o[o.length-1],"matrix shape mismatch:",o.length,`${s.matrixH.length}x${s.matrixH[0].length}`,`${c.length}x${c[0].length}`);for(let e=0;ee.forEach((e,i)=>{const r=s.matrixV[o[t]][o[i]];Number.isFinite(r)&&(l[t][i]=r)})),Number.isFinite(s.estimatedDuration)&&(a.measureShrinkness=Math.tanh(-3*Math.log(Math.min(1,s.estimatedDuration/s.duration)))),n.logger&&n.logger.info("--- MEASURE",s.measureIndex,"---",a);const u=i?await i(a,n):r(a,n),h=u.events.map(e=>({...e,id:a.ids[e.id]}));h.forEach(e=>{const i=s.events.find(t=>t.id===e.id);i.tick=Number.isFinite(e.tick)?Math.round(e.tick*je/t):null,i.tickGroup=e.tickGroup,i.timeWarp=e.timeWarp}),s.duration=Math.round(u.duration*je/t),s.voices=u.voices.map(e=>e.map(e=>a.ids[e])),s.solutionStat={loss:u.loss,solverCredits:u.credits,solverTimes:u.times},s.events.forEach(e=>{const t=h.find(t=>t.id===e.id);t&&(Number.isFinite(t.tick)||"r"!==e.rest||0!==e.division?"R"===e.rest&&(e.tick=0,e.tickGroup=0,e.duration=s.duration,s.voices.push([e.id])):(e.tick=0,e.tickGroup=0,e.rest="R",e.duration=s.duration,s.voices.push([e.id])))})},e.regulateMeasureWithRectification=async(e,i,{solver:n=null,...a})=>{const o=e.events.filter(e=>!e.zeroHolder).map(s=>{const r=i.events.find(e=>e&&e.id===s.id),n=Number.isFinite(r?.division)?r.division:s.division,a=Number.isFinite(r?.dots)?r.dots:s.dots,o=t*2**-n*(2-2**-a);return{id:s.id,staff:s.staff,x:s.x,tickEstimated:s.predisposition?.tick,y:s.tipY+100*s.staff,duration:o,pR:"R"===s.rest?1:"r"===s.rest&&0===s.division?Math.tanh(s.x-e.eventStartX):0,fakeP:s.predisposition&&s.predisposition.fakeP||0,shrinkness:s.predisposition?.timeWarped||0}});let c=t*e.timeSignature.numerator/e.timeSignature.denominator;Number.isFinite(e.estimatedDuration)&&(c=Math.max(c,Ne(e.estimatedDuration,480480)));const l=e.staffGroups.reduce((e,t,s)=>(t.forEach(t=>e[t]=s),e),{}),u=[0,...o.map(e=>e.id)],h=o.map(t=>({...t,id:u.indexOf(t.id),x:t.x-e.startX,confidence:(1-t.pR)*(1-t.fakeP),shrinkness:t.shrinkness,staffGroup:l[t.staff]})),m=Array(u.length+1).fill(null).map(()=>Array(u.length).fill(0)),f=Array(u.length).fill(null).map(()=>Array(u.length).fill(0));for(const e of h)for(const t of h){f[e.id][t.id]=e!==t&&e.tickEstimated>=t.tickEstimated?1-S.default((e.tickEstimated-t.tickEstimated)*s/.6):0;const i=(1-e.pR)*(1-t.pR);f[e.id][t.id]*=i,f[e.id][t.id]<.01&&(f[e.id][t.id]=0)}console.assert(e.matrixH&&e.matrixH.length>u[u.length-1]&&e.matrixH[0].length>u[u.length-1],"matrix shape mismatch:",u.length,`${e.matrixH.length}x${e.matrixH[0].length}`,`${m.length}x${m[0].length}`);for(let t=0;t{const a=i.events.find(t=>t&&t.id===e),o=Number.isFinite(s)?Math.round(s*je/t):s;return{id:e,tick:o,tickGroup:r,timeWarp:n,division:a?.division,dots:a?.dots}}),x=Math.round(g.duration*je/t);return{events:v,voices:g.voices,duration:x,priority:y}}}(ys||(ys={}));class SpartitoMeasure extends SimpleClass{static reorderEvents(e,t){const s=[],i=e.map(e=>({id:e.id,staff:e.staff,x:e.x/.7,rx:0,ry:t[e.staff]+e.tipY,tipY:e.tipY,prior:0}));i.sort((e,t)=>e.x-t.x),i.slice(1).forEach((e,t)=>{const s=Math.min(Math.round(e.x-i[t].x),2);e.rx=i[t].rx+s}),i.forEach(e=>{e.prior=1e4*e.staff+e.rx+.01*e.tipY,s.includes(e.ry)||s.push(e.ry)}),i.sort((e,t)=>e.prior-t.prior),s.sort((e,t)=>e-t);let r=0;const n=s.map((e,t)=>(!t||s[t]-s[t-1]<.5||++r,r)),a=i.map(t=>new EventTerm({...e.find(e=>e.id===t.id),intX:t.rx,intY:n[s.indexOf(t.ry)]}));return a.forEach((e,t)=>e.id=t+1),a}constructor(e){super(),super.assign(e),this.originalRegulationHash||this.regulated||(this.originalRegulationHash=this.regulationHash),this.barTypes=this.barTypes||{},this.regulated&&this.position&&this.postRegulate()}get timeSignature(){return this.basics&&this.basics[0].timeSignature}get keySignature(){return this.basics&&this.basics[0].keySignature}get timeSignatureChanged(){return this.contexts.filter(Boolean)[0].some(e=>[Ue.TimeSignatureC,Ue.TimeSignatureN].includes(e.type))}get doubtfulTimesig(){return this.basics&&this.basics[0].doubtfulTimesig}get regulated(){return!!this.voices}get validRegulated(){return!!this.voices&&this.voices.flat(1).every(e=>Number.isFinite(this.events.find(t=>t.id===e)?.tick))}get rows(){return this.contexts.map((e,t)=>({events:this.events.filter(e=>e.staff===t),contexts:e}))}get eventStartX(){return this.events.length?Math.min(...this.events.map(e=>e.x)):this.startX}get startX(){return this.position.left}get width(){return this.position.right-this.position.left}get tickMap(){return this.events.concat([this.endEvent]).filter(Boolean).reduce((e,t)=>(Number.isFinite(t.tick)&&(e.has(t.tick)||e.set(t.tick,[]),e.get(t.tick).push(t)),e),new Map)}get tickToX(){return[...this.tickMap.entries()].reduce((e,[t,s])=>{if((s=s.filter(e=>!e.fullMeasureRest&&!e.grace)).length){const i=Math.min(...s.map(e=>e.x));e[t]=i}return e},{})}get tickRates(){const e=this.events.filter(e=>Number.isFinite(e.tick)&&!e.fullMeasureRest);return e.sort((e,t)=>e.x-t.x),e.slice(0,e.length-1).map((t,s)=>{const i=e[s+1];return(i.tick-t.tick)/Math.max(i.x-t.x,.001)})}get tickRatesInStaves(){const e=this.events.filter(e=>Number.isFinite(e.tick)&&!e.fullMeasureRest&&!e.grace).reduce((e,t)=>(e[t.staff]=e[t.staff]||[],e[t.staff].push(t),e),{}),t=Object.values(e).map(e=>e.sort((e,t)=>e.x-t.x).slice(0,e.length-1).map((t,s)=>{const i=e[s+1];return(i.tick-t.tick)/Math.max(i.x-t.x,.001)}));return[].concat(...t)}get tickRatesInGroups(){const e=this.events.filter(e=>Number.isFinite(e.tick)&&!e.fullMeasureRest).reduce((e,t)=>{const s=this.staffGroups.findIndex(e=>e.includes(t.staff));return e[s]=e[s]||[],e[s].push(t),e},{}),t=Object.values(e).map(e=>e.sort((e,t)=>e.x-t.x).slice(0,e.length-1).map((t,s)=>{const i=e[s+1];return(i.tick-t.tick)/Math.max(i.x-t.x,.001)}));return[].concat(...t)}get tickTwist(){if(!this.duration||!this.staffGroups)return;const e=this.events.filter(e=>Number.isFinite(e.tick)&&!e.fullMeasureRest&&!e.grace&&!e.tremoloCatcher&&!(e.rest&&0===e.division)).reduce((e,t)=>{const s=this.staffGroups.findIndex(e=>e.includes(t.staff));return e[s]=e[s]||[],e[s].push(t),e},{}),t=Object.values(e).map(e=>{const t=[...e].sort((e,t)=>e.pivotX-t.pivotX),s=this.position.right-t[0].x,i=t.slice(1).map((e,i)=>{const r=t[i],n=e.pivotX-r.pivotX,a=e.tick-r.tick;if(!a)return n/s;return(4*Math.atan2(a/this.duration,n/s)/Math.PI-1)**2});return Math.max(0,...i)});return Math.max(0,...t)}get eventMap(){return this.events.reduce((e,t)=>(e[t.id]=t,e),{})}get empty(){return!this.events?.length||!this.voices?.length}get hasIllEvent(){return this.regulated&&this.events.some(e=>!e.zeroHolder&&!Number.isFinite(e.tick)&&!e.fullMeasureRest)}get brief(){return[`${this.timeSignature.numerator}/${this.timeSignature.denominator}`,...this.events.map(e=>[e.staff,e.intX,Math.round(e.tip?e.tip.y:e.ys?.[0]??0),e.fullMeasureRest?0:e.division,e.fullMeasureRest?0:e.dots,e.rest?"r":"",e.grace||"",e.stemDirection,e.beam||""].join("|"))].join("\n")}get regulationHash(){return y.default(this.brief)}get regulationHash0(){return this.originalRegulationHash||this.regulationHash}get regulationHashes(){return Array.from(new Set([this.originalRegulationHash,this.regulationHash].filter(Boolean)))}get featureWords(){if(!this.regulated||!this.voices||!this.voices.length)return null;const e=this.tickRatesInStaves.some(e=>e<0),t=this.events.filter(e=>!e.zeroHolder&&!e.rest).map(e=>e.ys).flat(1).map(e=>"Y"+2*-e),s=Array.from(new Set(t));this.keySignature&&s.push(`K${this.keySignature}`);const i=this.voices.map(e=>e.map(e=>this.events.find(t=>t.id===e)).filter(e=>!e.zeroHolder&&!e.rest)).filter(e=>e.length),r=e?[]:i.map(e=>e.map(e=>e.scaleChord).join("-")),n=e?[]:i.map(e=>e.map(e=>e.division).join(""));return this.timeSignature&&n.push(`T${this.timeSignature.numerator}/${this.timeSignature.denominator}`),[s,r,n]}get barType(){if(this.voltaEnd)return"VoltaRight";const e=Object.entries(this.barTypes).sort((e,t)=>t[1]-e[1]);return e[0]&&e[0][1]>=1?e[0][0]:null}get partialDuration(){if(!Number.isFinite(this.duration))return!1;const e=Ae(je,this.timeSignature);return this.duration{const t=e.events.filter(e=>e.grace);if(!t.length)return;const s=[...e.tickMap.entries()].reduce((e,[t,s])=>(s.forEach(s=>{if(!s.grace){e[s.staff]=e[s.staff]||{};const i=e[s.staff][t];e[s.staff][t]=!i||i.x>s.x?s:i}}),e),{}),i=Object.entries(s).reduce((t,[s,i])=>{t[s]=Object.entries(i).map(([e,t])=>({event:t,tick:Number(e),preTick:-240,graces:[]})).sort((e,t)=>e.event.x-t.event.x),t[s].push({tick:e.duration,event:e.endEvent,preTick:0,graces:[]});let r=0;return t[s].forEach(e=>{e.tick>r&&(e.preTick=r,r=e.tick)}),t},{});t.forEach(e=>{const t=i[e.staff];if(t){const s=t.find(t=>t.event.x>e.x);s&&s.graces.push(e),e.roundX=e.x}}),Object.values(i).forEach(e=>e.forEach(e=>{if(e.graces.length){e.event.graceIds=e.graces.map(e=>e.id);const t=e.graces.reduce((e,t)=>e+t.duration,0),s=Math.min(t,e.tick-e.preTick)/t;let i=e.tick;[...e.graces].reverse().forEach(e=>{e.tick=Math.round(i-e.duration*s),i=e.tick})}}))})(this),(e=>{const t=e.events.filter(e=>e.tremoloCatcher&&!e.grace),s=e.events.filter(e=>e.tremoloLink===qe.Pitcher&&!e.grace);t.forEach(t=>{let i=s.filter(e=>e.division===t.division&&e.xNumber.isFinite(e.tick)&&!e.grace&&!e.rest&&e.division===t.division&&e.dots===t.dots&&e.xt.x-e.x),i.length){const e=i[0];e.catcherId=t.id;const r=Math.max(e.tremolo||3,t.tremolo||3);e.tremolo=r,t.tremolo=r,t.tick||(t.tick=e.tick+e.duration/2);const n=s.indexOf(e);n>=0&&s.splice(n,1)}})})(this),this.updateContextTick()}updateRoundX(){const e=this.tickToX;e&&this.events.forEach(t=>{const s=e[t.tick];Number.isFinite(s)&&(t.roundX=s)})}updateContextTick(){if(!this.staffGroups)return;const e=this.contexts.flat(1);this.staffGroups.flat(1).forEach(t=>{const s=[...this.events.filter(e=>e.staff===t),...e.filter(e=>e.staff===t)];s.sort((e,t)=>t.x-e.x);let i=this.duration;s.forEach(e=>{e instanceof EventTerm?e.fullMeasureRest||e.zeroHolder||(i=e.tick):e instanceof ContextedTerm&&(e.tick=i)})})}asSolution(e=void 0){return this.regulated?{events:this.events.map(t=>{const s={id:t.id,tick:t.tick,tickGroup:t.tickGroup,timeWarp:t.timeWarp};if(e){const i=e.events.find(e=>e.id===t.id);i&&(t.division!==i.division&&(s.division=t.division),t.dots!==i.dots&&(s.dots=t.dots),t.grace!==i.grace&&(s.grace=!!t.grace),t.beam!==i.beam&&(s.beam=t.beam),t.fullMeasureRest!==i.fullMeasureRest&&(s.fullMeasure=t.fullMeasureRest))}return s}),voices:this.voices,duration:this.duration,priority:-this.solutionStat?.loss}:null}applySolution(e){e.timeSignature&&this.basics.forEach(t=>{t.timeSignature=e.timeSignature,t.doubtfulTimesig=!1}),this.voices=e.voices,this.duration=e.duration,this.events.forEach(t=>{t.timeWarp=null,t.tick=null,t.tickGroup=null;const s=e.events?.find(e=>e.id===t.id);s&&(t.tick=s.tick,t.timeWarp=s.timeWarp,t.tickGroup=s.tickGroup,Number.isFinite(s.division)&&(t.division=s.division),Number.isFinite(s.dots)&&(t.dots=s.dots),s.beam&&(t.beam=s.beam),void 0!==s.grace&&(t.grace=s.grace?Ve.Grace:void 0),s.fullMeasure&&(t.rest="R"))}),Number.isFinite(e.priority)&&(this.solutionStat={loss:-e.priority}),this.postRegulate()}cleanupRegulation(){this.voices=null,this.duration=null,this.events.forEach(e=>{e.tick=null,e.tickGroup=null,e.timeWarp=null})}regulateTest(){this.duration=0,this.voices=this.rows.map(e=>e.events.map(e=>e.id)),this.voices.forEach(e=>{let t=0;e.map(e=>this.events.find(t=>t.id===e)).forEach((e,s)=>{e.tickGroup=s,e.tick=t,t+=e.duration}),this.duration=Math.max(this.duration,t)})}regulateSimple(){gs.computeMeasureTicks(this),gs.computeMeasureVoices(this)}async regulateEquations(e){await ys.regulateMeasure(this,e)}async regulate({policy:e="advanced",...t}={}){switch(e){case"test":this.regulateTest();break;case"equations":case"advanced":await this.regulateEquations(t);break;default:this.regulateSimple()}this.postRegulate()}createPatch(){return new PatchMeasure({measureIndex:this.measureIndex,staffMask:this.staffMask,basic:this.basics[0],events:this.events,contexts:this.contexts,marks:this.marks,voices:this.voices})}createClusters(){const e=this.voices&&new Set(this.voices.flat(1));return this.staffGroups.filter(e=>e.length).map(t=>{const s=this.position.staffYs[0],i=e=>this.position.staffYs[t.indexOf(e)]-s,r=this.events.filter(e=>t.includes(e.staff));if(!r.length)return null;const n=r.map(s=>({index:s.id,voice:(this.voices||[]).findIndex(e=>e.includes(s.id)),type:s.rest?ps.REST:ps.CHORD,staff:t.indexOf(s.staff),x:s.tipX,pivotX:s.pivotX,y1:i(s.staff)+("u"===s.stemDirection?s.tipY:s.ys[s.ys.length-1]),y2:i(s.staff)+("u"===s.stemDirection?s.ys[0]:s.tipY),headY:"u"===s.stemDirection?s.ys[0]:s.ys[s.ys.length-1],feature:s.feature,division:s.division,dots:s.dots,beam:s.beam||null,stemDirection:s.stemDirection,grace:!!s.grace,tremoloCatcher:s.tremoloCatcher,timeWarped:!!s.timeWarp,fullMeasure:s.fullMeasureRest,tick:s.tick||0,fake:!s.fullMeasureRest&&!s.grace&&this.voices&&!e.has(s.id)}));if(!n.some(e=>!e.fake))return null;const a=Ae(je,this.timeSignature);n.unshift({index:0,type:ps.BOS,staff:null,division:null,beam:null,dots:null,stemDirection:null,grace:!1,tremoloCatcher:!1,fullMeasure:!1,x:this.position.left,pivotX:this.position.left,y1:0,y2:0,headY:0,feature:null,timeWarped:this.durationn.map(()=>0)),this.voices.forEach(e=>{let t=0;e.forEach(e=>{const s=n.findIndex(t=>t.index===e);s>0&&t>=0&&(o[s][t]=1),t=s}),t>=0&&(o[n.length-1][t]=1)}));const c={...this.solutionStat,patched:this.patched},l=this.backgroundImages&&this.backgroundImages.map(({url:e,position:t})=>({url:e,position:{...t,y:t.y-s}}));return new EventCluster({index:this.measureIndex,duration:this.duration,signatureDuration:a,staffY0:s,elements:n,matrixH:o,annotation:c,backgroundImages:l})}).filter(Boolean)}applyClusters(e){const t=this.events.reduce((e,t)=>Math.max(e,t.id),0)+1;this.matrixH=Array(t+1).fill(null).map(()=>Array(t).fill(0)),e.forEach(e=>{const s=e.elements.map(e=>e.index);console.assert(e.matrixH.length===s.length-1,"unexpected matrixH size:",e.matrixH.length,s.length);for(let i=1;i{const t=this.events.find(t=>t.id===e.index);t&&(t.predisposition=e.predisposition,void 0!==t.predisposition.grace&&(t.grace=t.predisposition.grace?Ve.Grace:null))})}),this.estimatedDuration=e.reduce((e,t)=>e+t.estimatedDuration,0)/e.length}}SpartitoMeasure.className="SpartitoMeasure",SpartitoMeasure.blackKeys=["staffGroups","solutionStat","measureNumber","deposit"];const vs=(e,t=!1)=>({empty:!0,duration:e.duration,tickMap:{0:EventTerm.space({duration:e.duration,tick:0})},timeSignature:e.timeSignature,timeSigNumeric:e.timeSigNumeric,keySignature:e.keySignature,contextedTerms:e.terms.filter(e=>e instanceof ContextedTerm&&(!e.staffLevel||t)),marks:[]}),xs=e=>{const t=[].concat(...e.measures.map(e=>Object.values(e.tickMap).filter(e=>e instanceof EventTerm)));for(let e=1;ee.type===B.SlurBegin)&&i.accessories.some(e=>e.type===B.SlurEnd)){const e=s.pitches.filter(e=>i.pitches.some(t=>t.note===e.note&&t.alter===e.alter));e.length>0&&(s.tying=!0,i.tied=!0,e.forEach(e=>{e.tying=!0;i.pitches.find(t=>t.note===e.note&&t.alter===e.alter).tied=!0}),e.forEach(()=>{const e=s.accessories.findIndex(e=>e.type===B.SlurBegin);e>=0&&s.accessories.splice(e,1);const t=i.accessories.findIndex(e=>e.type===B.SlurEnd);t>=0&&i.accessories.splice(t,1)}))}}};class Spartito extends SimpleClass{constructor(e){super(),super.assign(e),this.measures.forEach(e=>e.staffGroups=this.staffGroups)}get regulated(){return this.measures.every(e=>e.regulated)}get solidMeasureCount(){return this.measures.filter(e=>!e.empty).length}get measureIndexMapping(){let e=0;return this.measures.map(t=>t.empty?null:e++)}get headBPM(){for(const e of this.measures)if(e.marks){const t=e.marks.find(e=>e instanceof TempoTerm&&e.isValid());if(t)return t.bpm}return null}get measureLayoutCode(){const e=this.measures.filter(e=>!e.empty).map((e,t)=>({index:t+1,vb:e.voltaBegin,ve:e.voltaEnd,alter:e.alternative,leftSign:"",rightSign:""}));return e.forEach((t,s)=>{if(t.vb){const i=e.slice(s+1).findIndex(e=>e.vb),r=i>=0?s+i:e.length;e.slice(s,r-1).some(e=>e.ve)&&(t.leftSign="2*[")}if(t.ve){const i=e.slice(0,s+1).reverse(),r=i.slice(1).findIndex(e=>e.ve);if(r>=0&&!i.slice(1,r+1).some(e=>e.vb))return;if(t.alter){const r=i.findIndex(e=>!e.alter);r>0&&(i[r].rightSign="]",i[r-1].leftSign="{[",t.rightSign="],",e[s+1]&&(e[s+1].rightSign="},"))}else t.rightSign="],";i.some(e=>e.vb)||(e[0].leftSign="2*[")}}),e.map(e=>e.leftSign+e.index.toString()+e.rightSign+(e.rightSign?"":",")).join(" ").replace(/,$/,"")}get qualityScore(){const e=this.measures.filter(e=>!e.empty),t=e.map(Ke).map(e=>e.qualityScore).reduce((e,t)=>e+t,0);return e.length?t/e.length:null}dumpEvaluations(){const e=this.measures.filter(e=>!e.empty).map(e=>({measureIndex:e.measureIndex,...Ke(e)})),t=e.map(e=>e.qualityScore).reduce((e,t)=>e+t,0);console.log("qualityScore:",t/e.length),console.table(e)}regulate(e={}){this.measures.forEach(t=>t.regulated||t.regulate(e))}cleanupRegulation(){this.measures.forEach(e=>e.voices=null)}rectifyTimeSignatures(e=new DummyLogger){const t=this.measures.map((e,t)=>({measure:e,index:t})).filter(({measure:e,index:t})=>!t||e.timeSignatureChanged).map(({index:e})=>e);t.map((e,s)=>this.measures.slice(e,se.filter(e=>e.estimatedDuration>0)).filter(e=>e.length>=3||e.some(e=>e.doubtfulTimesig)).forEach(t=>{if(t[0].patched){const s=t[0].timeSignature,i=t.slice(1).filter(e=>!e.patched&&Be(e.timeSignature)!==Be(s));if(i.length){const t=i[0].timeSignature;i.forEach(e=>e.basics.forEach(e=>e.timeSignature=s)),e.info("[rectifyTimeSignatures]\ttimesignator overwrote by patched head:",`${Be(t)} -> ${Be(s)}`,i.map(e=>e.measureIndex))}return}const s=t[0].timeSignature,i=Number.isInteger(Math.log2(s.denominator));let r=i?4:8;i&&(r=Math.max(r,t[0].timeSignature.denominator));const n=t.map(e=>Math.round(e.estimatedDuration*r/je)),a=Object.entries(n.reduce((e,t)=>(e[t]=(e[t]||0)+1,e),{})).sort((e,t)=>t[1]-e[1]),o=a[0][1],c=a.filter(([e,t])=>t>.6*o).reduce((e,t)=>Number(t[0])>Number(e[0])?t:e);if(c[1]>1){let n=Number(c[0]);if(!i||s.denominator*n!==s.numerator*r){if(i&&r!==s.denominator){const e=n*s.denominator/r;Number.isInteger(e)&&(n=e,r=s.denominator)}const a=t.filter(e=>!e.patched),o=_e(n,r);a.forEach(e=>e.basics.forEach(e=>e.timeSignature=o)),e.info("[rectifyTimeSignatures]\ttimesignator overwrote by estimation:",`${Be(s)} -> ${n}/${r}`,a.map(e=>e.measureIndex))}}})}makeVoiceStaves(){this.regulate();const e=Math.max(...this.measures.map(e=>e.voices.length));if(!e||!Number.isFinite(e))return null;this.measures.filter(e=>e.patched).forEach(e=>{e.events.forEach(e=>{e.tied&&e.pitches.forEach(e=>e.tied=!0)})});const t=this.measures.map(t=>{console.assert(t.validRegulated,"[makeVoiceStaves] measure is invalid:",t);const s={};t.events.forEach(e=>s[e.id]=e);const i=new Set(Array(t.contexts.length).fill(null).map((e,t)=>t));let r=null;if(t.barType)switch(t.barType){case"Segment":r="||";break;case"Terminal":r="|."}const n=t.voices.map(e=>{const n=e.map(e=>s[e]);n.sort((e,t)=>e.tick-t.tick);const a={};let o=0,c=null;for(const e of n)Number.isFinite(e?.tick)?(e.tick>o?a[o]=EventTerm.space({tick:o,duration:e.tick-o}):!e.grace&&e.tick{const s=t.eventMap[e];s&&(a[s.tick]=s)}))):console.warn("invalid event tick:",e);t.endEvent&&t.endEvent.graceIds&&t.endEvent.graceIds.forEach(e=>{const s=t.eventMap[e];!s||c&&s.staff!==c.staff||(a[s.tick]=s)}),ot.duration&&Number.isFinite(t.duration)&&(c.timeWarp=Oe(t.duration-c.tick,c.duration)),console.assert(!c||!c.timeWarp||Number.isInteger(c.timeWarp.numerator)&&Number.isInteger(c.timeWarp.denominator),"invalid time warp:",c);const l=n[0]?n[0].staff:0;i.delete(l);const u=t.basics[l],h=t.contexts[l],m=n[n.length-1],f=m?m.staff:0;return{tickMap:a,duration:t.duration,...u,contextedTerms:h,marks:[],break:t.break,pageBreak:t.pageBreak,headStaff:l,tailStaff:f,bar:r}});for(;n.lengtht.headStaff!==e),o=vs({terms:r,duration:t.duration,...s,break:t.break,pageBreak:t.pageBreak},a);o.headStaff=e,o.tailStaff=e,n.push(o)}return n});t.forEach(e=>e.forEach(e=>{const t=[];e.empty||(t.push(`s${e.headStaff}`),t.push(`s${e.tailStaff}`)),Object.values(e.tickMap).forEach(e=>{if(e instanceof EventTerm){if(t.push(`s${e.staff}`),e.stemDirection){const s=`st${e.staff}-${e.stemDirection}`;t.push(s,s)}e.grace?t.push(`gd${e.mainDuration}`):t.push(`d${e.mainDuration}`),e.rest?t.push("r-"+e.rest):e.pitches.forEach(e=>{t.push(`p1-${e.note}`),t.push(`p8-${Math.round(e.note/8)}`)})}}),e.trait=HashVector.fromWords(t)}));const s=this.staffGroups.flat(1).reduce((e,t)=>(e[t]=this.staffGroups.findIndex(e=>e.includes(t)),e),{}),i=Array(e).fill(null).map((e,t)=>({vector:HashVector.zero,index:t,weight:0,headStaff:null}));t.forEach((e,t)=>{i.sort((e,t)=>t.weight-e.weight);const r=new Set(e);i.forEach(e=>{const i=[...r];let n=i[0];if(t>0&&i.length>1){const t=i.map(t=>s[t.headStaff]===s[e.headStaff]?ls(e.vector.toHash(),t.trait.toHash()):-1);n=i[$e(t)]}r.delete(n),n.voiceIndex=e.index,e.vector.scale(.4).add(n.trait),e.weight=Object.keys(n.tickMap).length,0===t&&(e.headStaff=n.headStaff)}),e.sort((e,t)=>e.voiceIndex-t.voiceIndex)});const r=Array(this.stavesCount).fill(null).map(()=>[]);i.forEach(e=>{r[e.headStaff].push(e.index)});const n=Array(this.stavesCount).fill(null).map((e,s)=>{if(!t[0])return{voices:[]};return{voices:r[s].map(e=>({mode:"relative",measures:t.map(t=>t[e])}))}});return(e=>{if(!e[0]||!e[0].voices[0])return void console.warn("empty voices:",e);const t=e[0].voices[0].measures.length;Array(t).fill(null).map((t,s)=>{for(const t of e)for(const e of t.voices)if(!e.measures[s].empty)return!1;return!0}).forEach((t,s)=>{t&&e.forEach(e=>e.voices.forEach(e=>{e.measures[s].tickMap={}}))})})(n),n.forEach(e=>e.voices.forEach(xs)),n}perform(){const e=this.makeVoiceStaves();if(!e)return null;const t=new Map,s=Array(this.stavesCount).fill(null).reduce((e,t,s)=>(e[s]=s,e),{}),i=[].concat(...e.map((e,t)=>e.voices.map(()=>s[t])));let r=!1,n=0,a=null;const o=this.measures.filter(e=>!e.empty).map(s=>{const{systemIndex:o,right:c}=s.position,l=s.measureIndex,u=[].concat(...e.map(e=>e.voices.map(e=>e.measures[l]))),h=u[0],m=n;n+=h.duration;const f=[].concat(...u.map((e,s)=>{const r=i[s],n=Object.values(e.tickMap).filter(e=>e instanceof EventTerm&&!e.rest).map(e=>{const s=Math.round(1*e.duration);console.assert(Number.isFinite(e.tick),"invalid event term tick:",e),console.assert(Number.isFinite(s),"invalid event term duration:",e),e.tick>=0&&e.noteIds.forEach(s=>{t.set(s,{system:o,measure:l,x:e.roundX,endX:c})});const i=this.staffGroups.findIndex(t=>t.includes(e.staff));return{tick:Math.round(1*e.tick),duration:s,pitches:e.pitches,noteIds:e.noteIds,part:i,staff:e.staff}});return[].concat(...n.map(e=>{const t=e.pitches.reduce((e,t)=>(e[Le(t)]=t,e),{});return Object.values(t).sort((e,t)=>e.note-t.note).filter(e=>!e.tied).map((t,s)=>{const i=Le(t),n=e.noteIds&&e.noteIds[s];return{tick:e.tick,pitch:i,duration:e.duration,chordPosition:{index:s,count:e.pitches.length},tied:t.tied,id:n,ids:[n],track:e.part,staff:e.staff,channel:r,subNotes:[{startTick:0,endTick:e.duration,pitch:i,velocity:127}]}})}))})),d=[];a=a||d,s.marks&&s.marks.forEach(e=>{if(e instanceof TempoTerm){const t=e.bpm;if(e.isValid()){const s=r?d:a,i=r?e.tick:0;s.push({track:0,ticks:i,data:{type:"meta",subtype:"setTempo",microsecondsPerBeat:Math.round(6e7/t)}}),r=!0}}});const p=s.basics[0];return{tick:m,duration:s.duration,notes:f,events:d,timeSignature:p&&p.timeSignature,keySignature:p&&p.keySignature}});r||o[0].events.push({track:0,ticks:0,data:{type:"meta",subtype:"setTempo",microsecondsPerBeat:5e5}});return{notation:new MetaNotation({measures:o}),tokenMap:t}}performByEstimation(){const e=new Map;let t=0;const s=this.measures.filter(e=>e.events.some(e=>e.predisposition)).map(s=>{const i=t,r=Math.round(s.estimatedDuration||Ae(je,s.timeSignature)),n=s.basics[0];t+=r;const{systemIndex:a,right:o}=s.position,c=s.measureIndex;return{tick:i,duration:r,notes:s.events.filter(e=>e.predisposition&&e.predisposition.fake<.5&&!e.rest).map(t=>{const s=Math.round(t.predisposition.tick);return t.noteIds.forEach(s=>{e.set(s,{system:a,measure:c,x:t.roundX,endX:o})}),t.pitches.map((e,i)=>{const r=Le(e),n=t.noteIds&&t.noteIds[i],a=this.staffGroups.findIndex(e=>e.includes(t.staff));return{tick:s,pitch:r,duration:t.duration,chordPosition:{index:i,count:t.pitches.length},tied:e.tied,id:n,ids:[n],track:a,staff:t.staff,channel:0,subNotes:[{startTick:0,endTick:t.duration,pitch:r,velocity:127}]}})}).flat(1),events:[],timeSignature:n&&n.timeSignature,keySignature:n&&n.keySignature}});return{notation:new MetaNotation({measures:s}),tokenMap:e}}featureHash(){const e=this.measures.slice(0,16).map(e=>e.featureWords),t=[1,4,16].map(t=>{const s=e.slice(0,t).filter(Boolean),i=s.map(e=>e[0]).flat(1),r=s.map(e=>e[1]).flat(1),n=s.map(e=>e[2]).flat(1),[a,o,c]=[i,r,n].map(HashVector.fromWords);return HashVector.concat(a,o.sub(128),c.sub(128))});return HashVector.concat(...t).toHash()}featureHashHex(){return e=this.featureHash(),Array.from(e).map(us).join("");var e}featureHashBigInt(){return e=this.featureHash(),Array.from(e).reduce((e,t)=>0x100n*e+BigInt(t),0n);var e}assignMeasureNumbers(){let e=null;for(const t of this.measures)(t.discard||t.events.length)&&(t.indent&&(e=null),Number.isFinite(e)||(e=t.partialDuration?0:1),t.measureNumber=e++)}}Spartito.className="Spartito";const Ss=[0,2,4,5,7,9,11],bs=e=>{let t=e%7;for(;t<0;)t+=7;return t},ks=e=>{let t=e%12;for(;t<0;)t+=12;return t},Ts={[-2]:"♭♭",[-1]:"♭",0:"♮",1:"♯",2:"𝄪"};class StaffContext{constructor(){this.logger=new DummyLogger,this.clef=-3,this.keyAlters=[],this.octaveShift=0,this.alters=[],this.timeSignature={numerator:4,denominator:4},this.timeSigNumeric=!1,this.timeSigNumSet=!1,this.timeSigDenSet=!1,this.doubtingTimesig=!0}change(e){switch(e.type){case Ue.Clef:this.clef=e.clef;break;case Ue.KeyAcc:this.keyAlters[bs(this.yToNote(e.y))]=e.alter;break;case Ue.Acc:this.alters[this.yToNote(e.y)]=e.alter;break;case Ue.OctaveShift:this.octaveShift=e.octaveShift;break;case Ue.TimeSignatureC:switch(this.timeSigNumeric=!1,e.tokenType){case"timesig-C44":this.timeSignature.numerator=4,this.timeSignature.denominator=4;break;case"timesig-C22":this.timeSignature.numerator=2,this.timeSignature.denominator=2}this.doubtingTimesig=this.partialTimeSignature;break;case Ue.TimeSignatureN:switch(this.timeSigNumeric=!0,e.y){case 1:this.timeSigDenSet?this.timeSignature.denominator=10*this.timeSignature.denominator+e.number:this.timeSignature.denominator=e.number,this.timeSigDenSet=!0;break;case-1:this.timeSigNumSet?this.timeSignature.numerator=10*this.timeSignature.numerator+e.number:this.timeSignature.numerator=e.number,this.timeSigNumSet=!0;break;default:this.logger.warn("unexpected time signature Y:",e.y)}this.doubtingTimesig=this.partialTimeSignature}}resetMeasure(){this.alters=[],this.timeSigNumSet=!1,this.timeSigDenSet=!1}resetSystem(){this.keyAlters=[]}get keySignature(){return this.keyAlters.filter(e=>Number.isInteger(e)).reduce((e,t)=>e+t,0)}get partialTimeSignature(){return!this.timeSigNumSet!=!this.timeSigDenSet}noteToY(e){return-e/2-this.clef-3.5*this.octaveShift}pitchToNote(e,{preferredAlter:t=null}={}){t||(t=this.keySignature<0?-1:1);const s=Math.floor((e-60)/12),i=ks(e),r=Ss.includes(i)?i:ks(i-t),n=Ss.indexOf(r);this.logger.assert(n>=0,"invalid preferredAlter:",e,t,r);const a=7*s+n,o=i-r,c=this.keyAlters[n]||0;return{note:a,alter:Number.isInteger(this.alters[a])?o:o===c?null:o}}pitchToY(e,{preferredAlter:t=null}={}){const{note:s,alter:i}=this.pitchToNote(e,{preferredAlter:t});return{y:this.noteToY(s),alter:i}}yToNote(e){return this.logger.assert(Number.isInteger(2*e),"invalid y:",e),2*(-e-3.5*this.octaveShift-this.clef)}alterOnNote(e){if(Number.isInteger(this.alters[e]))return this.alters[e];const t=bs(e);return Number.isInteger(this.keyAlters[t])?this.keyAlters[t]:0}noteToPitch(e){const t=Math.floor(e/7),s=bs(e),i=60+12*t+Ss[s]+this.alterOnNote(e);return Number.isFinite(i)?i:(this.logger.warn("invalid pitch value:",i,e,t,s),-1)}yToPitch(e){return this.noteToPitch(this.yToNote(e))}yToPitchName(e){const t=this.yToNote(e),s=Math.floor(t/7),i=bs(t);let r=this.alterOnNote(t);return r||Number.isInteger(this.alters[t])||(r=null),`${Ts[r]?Ts[r]:""}${"CDEFGAB"[i]}${s+4}`}}const ws=e=>e.reduce((e,t,s)=>t?e|1<{if(e.version<3){const{version:t,stavesCount:s,layoutTemplate:i,...r}=e;let n=s>1?Array(s-1).fill(",").join(""):"";2===s&&(n="{-}"),e={version:3,staffLayoutCode:n,...r}}return e.version<8&&(e.pages.forEach(e=>{e.systems.forEach(e=>{if(e.semantics){const t=e.semantics.filter(e=>e.semantic===g.vline_BarMeasure);e.semantics=[].concat(...e.staves.map(e=>{const s=e.top+e.staffY;return t.map(e=>({...e,y:e.y+s,extension:{...e.extension,y1:e.extension.y1+s,y2:e.extension.y2+s}}))}))}})}),e.version=8),e.version<9&&(e.spartito=null,e.version=9),e})(e)),this.pages=this.pages||[],this.headers=this.headers||{},this.instrumentDict=this.instrumentDict||{},this.pageSize=this.pageSize||{width:794,height:1122},this.unitSize=this.unitSize||null,this.staffLayoutCode=this.staffLayoutCode||(2===this.maxStavesCount?"{-}":Array(this.maxStavesCount).fill("").join(","))}get systems(){return[].concat(...this.pages.map(e=>e.systems))}get measureCount(){return this.systems.reduce((e,t)=>e+(t.measureCount||0),0)}get imageKeys(){return[...this.pages.map(e=>e.source?.url),...this.systems.map(e=>e.backgroundImage),...[].concat(...this.systems.map(e=>[...e.staves.map(e=>e.backgroundImage),...e.staves.map(e=>e.maskImage)].filter(Boolean)))].filter(Boolean)}get breakSystemIndices(){const e=[];let t=0;return this.pages.forEach((s,i)=>{ie.staves.length),0)}get sidBlackList(){const e=[].concat(...this.systems.map(e=>e.sidBlackList));return new Set(e)}get sidWhiteList(){const e=[].concat(...this.systems.map(e=>e.sidWhiteList));return new Set(e)}get semanticHash(){const e=[].concat(...this.systems.map(e=>[].concat(...e.staves.map(t=>t.semantics?e.qualifiedSemantics(t.semantics).map(e=>e.id):[]))));return y.default(e.join(""))}eventSystemsToTermStaves(e,t=new DummyLogger){const s=Array(this.maxStavesCount).fill(null).map((t,s)=>({rows:e.map((e,t)=>e.columns.map((i,r)=>{const n=i.rows[s];console.assert(n,"[eventSystemsToTermStaves] measure is null:",s,i.rows);const a=n.contexts;0===r&&(a.some(e=>e.type===Ue.OctaveShift)||a.unshift(new ContextedTerm({staff:s,x:0,y:0,tokenType:B.OctaveShift0,tick:0})));const o=[...n.events||[],...a].sort((e,t)=>e.x-t.x),c=0===s&&r===e.columns.length-1&&this.breakSystemIndices.includes(t);return{terms:o,duration:i.duration,pageBreak:c}}))}));return s.forEach(e=>((e,t=new DummyLogger)=>{const s=new StaffContext;s.logger=t;for(const t of e.rows){for(const e of t){const t=e.terms.find(e=>e instanceof EventTerm);let i=t?Math.min(t.tick,0):0;e.terms.forEach(e=>{if(e instanceof ContextedTerm)e.tick=i,s.change(e);else if(e instanceof EventTerm){const t=e.tick+(e.duration||0);t>i&&(i=t),e.ys&&(e.pitches=e.ys.map(e=>{const t=s.yToNote(e);return{note:t,alter:s.alterOnNote(t),octaveShift:s.octaveShift}}))}}),e.timeSignature={...s.timeSignature},e.timeSigNumeric=s.timeSigNumeric,e.doubtfulTimesig=s.doubtingTimesig||!Number.isInteger(Math.log2(e.timeSignature.denominator))||e.timeSignature.numerator<=e.timeSignature.denominator/4,e.keySignature=s.keySignature,0===e.duration&&(e.duration=je*e.timeSignature.numerator/e.timeSignature.denominator),s.resetMeasure()}s.resetSystem()}})(e,t)),s}resetPageLayout(e){const{unitSize:t=this.unitSize,pageSize:s=this.pageSize}=e,i=.5*s.width/t,r=.5*s.height/t;this.pages.forEach(e=>{const n=i-e.width/2,a=r-e.height/2;e.systems.forEach(e=>{e.left+=n,e.top+=a}),e.semantics&&e.semantics.forEach(e=>{e.x+=n,e.y+=a}),e.width=s.width/t,e.height=s.height/t,e.assemble({textAnnotations:this.textAnnotations})}),this.unitSize=t,this.pageSize=s}getMeasure(e){let t=e;for(const s of this.systems){if(te&&e.measures[t]);return{measureIndex:e,system:s,localIndex:t,left:r.left,right:r.right,measures:n}}t-=s.measureCount}return null}getRawCluster(e,t,{timeSignature:s}={}){const i=this.getMeasure(e);if(!i)return null;const{system:r,left:n,right:a}=i,o=[kt];s&&o.push(...Tt(s));const c=r.staves[0].top+r.staves[0].staffY-2;return r.staves.forEach(e=>{let s=r.qualifiedSemantics(e.semantics,t).filter(e=>e.x>n&&e.xe.semantic===g.TempoNotehead).forEach(e=>{const t=s.findIndex(t=>/^Notehead/.test(t.semantic)&&Ie(e,t)<.3);t>=0&&s.splice(t,1)});const i=e.top+e.staffY-c;s.forEach(t=>{const s=ot[t.semantic];if(s){let r=t.y,a=t.y;s===ot.vline_Stem&&(r=t.extension.y1,a=t.extension.y2),o.push({id:t.id,type:s,staff:e.index,x:t.x-n,y1:r+i,y2:a+i})}})}),new SemanticCluster({index:e,elements:o})}getRawClusters(e=1){return Array(this.measureCount).fill(null).map((t,s)=>this.getRawCluster(s,e))}makeSpartito(e=new DummyLogger){let t=this.systems.map(e=>e.getEvents(this.maxStavesCount));const s=this.eventSystemsToTermStaves(t,e);t.forEach((e,t)=>{e.columns.forEach((e,i)=>{e.basics=s.map(e=>{const{timeSignature:s,timeSigNumeric:r,keySignature:n,doubtfulTimesig:a}=e.rows[t][i];return{timeSignature:s,timeSigNumeric:r,keySignature:n,doubtfulTimesig:a}})})});const i=[].concat(...t.map(e=>e.columns.map(t=>{const s=t.measureIndex,{system:i,localIndex:r,left:n,right:a}=this.getMeasure(s),o=[];i.staves.forEach(e=>o[e.index]=e.top+e.staffY);const c=this.patches&&this.patches.find(e=>e.measureIndex===s),l=c?c.events:SpartitoMeasure.reorderEvents([].concat(...t.rows.map(e=>e.events)),o),u=Object.fromEntries(Object.entries(t.barTypes).map(([e,t])=>[e,t/i.staves.length])),h=0===r&&i.indent;return new SpartitoMeasure({measureIndex:s,staffMask:e.staffMask,position:{systemIndex:i.index,localIndex:r,left:n,right:a,staffYs:i.staves.map(e=>e.top+e.staffY),staffYsFull:o},duration:c?c.duration:t.duration,events:l,contexts:t.rows.map(e=>e.contexts),marks:t.marks,break:t.break,pageBreak:t.pageBreak,voltaBegin:t.voltaBegin,voltaEnd:t.voltaEnd,alternative:t.alternative,barTypes:u,indent:h,basics:c?c.basics:t.basics,matrixH:null,matrixV:null,voices:c?c.voices:null})}))),r=this.staffLayout,n=r.standaloneGroups.map(e=>e.map(e=>r.staffIds.indexOf(e)));return this.spartito=new Spartito({stavesCount:this.maxStavesCount,staffGroups:n,measures:i}),this.spartito}makeMusicSheet(){const e=this.spartito||this.makeSpartito();e.regulated||console.warn("[makeMusicSheet]\tspartito not regulated.");const t=e.makeVoiceStaves(),{title:s,pageSize:i,unitSize:r,staffLayout:n,paperOptions:a,headers:o,instrumentDict:c}=this;return{title:s,pageSize:i,unitSize:r,measureLayout:this.getMeasureLayout(),staffLayout:n,paperOptions:a,headers:o,voiceStaves:t,instrumentDict:c}}findPoint(e){for(const t of this.systems)for(let s=0;st.id===e);if(i){return{point:i,pageIndex:this.pages.findIndex(e=>e.systems.includes(t)),systemIndex:t.index,staffIndex:s}}}return null}getMeasureSemantics(e,t){const s=this.systems[e];if(!s)return null;const i=t?s.measureBars[t-1]:0,r=s.measureBars[t]||s.width;return s.staves.map((e,t)=>{const s=e.top+e.staffY;return e.semantics.filter(e=>e.x>=i&&e.x{const[i,r]=Number.isFinite(e.extension?.y1)?[e.extension.y1,e.extension.y2]:[e.y,e.y];return{...e,staff:t,sy1:i+s,sy2:r+s}})}).flat(1)}makeTimewiseGraph({store:e=!1}={}){if(!this.spartito)return null;return{measures:this.spartito.measures.filter(e=>e.events.length>0).map(t=>{const s=this.getMeasureSemantics(t.position.systemIndex,t.position.localIndex),i={measureIndex:t.measureIndex,left:t.position.left,right:t.position.right,points:s};return e&&(t.graph=i),i})}}getTokenMap(){const e=new Map;return this.systems.forEach(t=>t.staves.forEach(t=>t.measures.forEach(t=>t.tokens.forEach(t=>e.set(t.id,t))))),e}assemble(e=1,t=new DummyLogger){const s=new Map;this.pages.forEach((e,t)=>e.index=t);let i=0;this.systems.forEach((r,n)=>{r.index=n,r.headMeasureIndex=i,r.prev=this.systems[n-1]||null,r.next=this.systems[n+1]||null,r.semantics&&r.semantics.length&&r.semantics.forEach(e=>((e,i,r)=>{const n=_(e,i,r);t.assert(!s.has(n),"semantic point hash conflicted:",n,r,s.get(n)),s.set(n,r)})(n,null,e)),r.assemble(e,t),i+=r.measureCount}),this.pages.forEach((e,s)=>{e.systems.forEach(e=>e.pageIndex=s),e.assemble({textAnnotations:this.textAnnotations},t)})}assembleSystem(e,t=1){this.systems.forEach((e,t)=>e.index=t);const s=e.index;e.semantics&&e.semantics.length&&(e.semantics.forEach(e=>_(s,null,e)),e.assemble(t))}markVoices(e){const t=this.getTokenMap();for(const e of t.values())e.voice=0;const s=[].concat(...e.map((e,t)=>(e.voices||[]).map((e,s)=>[t,s]))).sort(([e,t],[s,i])=>t-i||e-s).map(([e,t])=>`${e}|${t}`);e.forEach((e,i)=>(e.voices||[]).forEach((e,r)=>e.measures.forEach(e=>{const n=s.indexOf(`${i}|${r}`);Object.values(e.tickMap).filter(e=>e instanceof EventTerm).forEach(e=>{const s=e.noteIds?e.noteIds.map(e=>t.get(e)).filter(Boolean):[],i=e.accessories?e.accessories.map(e=>t.get(e.id)).filter(Boolean):[];[...s,...i].forEach(e=>e.voice|=1<e.timeWarped=!0)})})))}async replaceImageKeys(e){await Promise.all([...this.pages.map(async t=>{t.source&&(t.source.url=await e(t.source.url))}),...this.systems.map(t=>Promise.all([e(t.backgroundImage).then(e=>t.backgroundImage=e),...t.staves.map(async t=>{t.backgroundImage=await e(t.backgroundImage),t.maskImage=await e(t.maskImage)})]))])}inferenceStaffLayout(){const e=Math.max(...this.systems.map(e=>e.staves.length),0);this.staffLayoutCode=Array(e).fill("").join(",");const t=this.systems.filter(t=>t.staves.length===e&&t.bracketsAppearance);if(!t.length)return;const s=t.map(e=>{try{return Ee(e.bracketsAppearance).staffIds.length!==e.staves.length?null:e.bracketsAppearance}catch(e){return null}}).filter(Boolean);if(!s.length)return;const i=s.reduce((e,t)=>{const s=e[t]||0;return e[t]=s+1,e},{}),r=Math.max(...Object.values(i)),n=Object.entries(i).find(([e,t])=>t===r)[0].replace(/\{,*\}/g,e=>e.replace(/,/g,"-")),a=Ee(n);this.staffLayoutCode=n;let o=null;for(const t of this.systems)if(o&&t.staves.length===o.staves.length&&t.bracketsAppearance===o.bracketsAppearance)t.staffMaskChanged=null;else{if(t.staves.length{if(s.length>a.staffIds.length)return null;if(s.reduce((e,t)=>e+t,0)===t.staves.length)return ws(s);for(const i of[1,0]){const r=[...s,i],n=a.partialMaskCode(r);if(n===t.bracketsAppearance)return ws(r);if(t.bracketsAppearance.startsWith(n)){const t=e(r);if(t)return t}}return null},s=e([]);t.staffMaskChanged=o&&s===o.staffMask?null:s}o=t}}assignBackgroundForMeasure(e){e.backgroundImages=[];const t=this.systems[e.position.systemIndex];t.backgroundImage&&e.backgroundImages.push({url:t.backgroundImage,position:t.imagePosition,original:!0}),t.staves.forEach(s=>{!t.backgroundImage&&s.backgroundImage&&e.backgroundImages.push({url:s.backgroundImage.toString(),position:{...s.imagePosition,y:s.imagePosition.y+s.top},original:!0}),s.maskImage&&e.backgroundImages.push({url:s.maskImage.toString(),position:{...s.imagePosition,y:s.imagePosition.y+s.top}})})}blackoutFakeNotes(e="patched"){if(!this.spartito)return;let t=e=>!0;switch(e){case"patched":t=e=>e.patched;break;case"perfect":t=e=>e.patched||e.regulated&&Ke(e).perfect}const s=this.spartito.measures.filter(t).reduce((e,t)=>{if(!t.regulated)return;const s=t.voices.flat(1);return t.events.filter(e=>!e.rest&&!e.grace&&!s.includes(e.id)).forEach(t=>t.noteIds&&e.push(...t.noteIds)),e},[]),i=new Set(s);return this.systems.forEach(e=>e.staves.forEach(t=>{const s=t.semantics.filter(e=>i.has(e.id)).map(e=>e.id);e.sidBlackList.push(...s)})),s}getMeasureLayout(){const e=this.spartito&&this.spartito.measureLayoutCode;if(e)try{return(e=>{const t=fe(e);return t?.data?ae(t.data,he):null})(e)}catch(e){console.debug("invalid measure layout code:",e)}return null}*splitToSingleScoresGen(){this.assemble();const e=this.systems.filter(e=>e.index>0&&e.indent&&e.timeSignatureOnHead).map(e=>e.index);if(!e.length)return void(yield this.deepCopy());const t=new Score({...this,pages:[],topology:void 0,spartito:void 0,patches:void 0});this.pages.forEach(e=>{delete e.tokens,e.systems.forEach(e=>{delete e.tokens,e.staves.forEach(e=>{e.measures=[]})})});let s=0;for(const i of[...e,this.systems.length]){const e=e=>e.index>=s&&e.indext.systems.some(e)).map(t=>{const{systems:s,...i}=t;return new Page({...i,systems:s.filter(e).map(e=>new System({...e}))})}),n=t.deepCopy();n.headers.SubScoreSystem=`${s}-${i-1}`,n.headers.SubScorePage=`${r[0].index}-${r[r.length-1].index}`,n.pages=r,n.assemble(),n.inferenceStaffLayout(),s=i,yield n}}splitToSingleScores(){return[...this.splitToSingleScoresGen()]}}Score.className="Score";class EditableEvent extends EventTerm{constructor(e){super(e)}get agent(){return new Proxy(this,{get(e,t){const s=e;switch(t){case"id":case"tick":case"duration":case"rest":case"division":case"dots":case"stemDirection":case"beam":case"tremolo":case"tremoloLink":case"arpeggioStyle":{const e=s[t];return void 0===e?null:e}case"tying":case"tied":case"glissando":{const e=s[t];return void 0!==e&&e}case"grace":return!!s.grace;case"timeWarp":return s.timeWarp?`${s.timeWarp.numerator}/${s.timeWarp.denominator}`:null;case"pitches":return s.pitches}},set:(e,t,s)=>{const i=e;switch(t){case"tick":case"duration":case"rest":case"division":case"dots":case"stemDirection":case"tying":case"tied":case"beam":case"tremolo":case"tremoloLink":case"glissando":case"arpeggioStyle":return i[t]=s,!0;case"grace":return i.grace=s?Ve.Grace:null,!0;case"timeWarp":if(i.timeWarp=null,s&&"string"==typeof s){const e=s.match(/^(\d+)\/(\d+)/);e&&(i.timeWarp={numerator:parseInt(e[1]),denominator:parseInt(e[2])})}return!0;case"id":case"pitches":return!0}return!1},ownKeys:()=>["id","duration","rest","division","dots","stemDirection","tying","tied","beam","timeWarp","tremolo","tremoloLink","glissando","arpeggioStyle","tick","grace","pitches"],getOwnPropertyDescriptor:()=>({enumerable:!0,configurable:!0})})}}class EditableMeasure extends SpartitoMeasure{constructor(e){super(e),this.events=null,this.events=e.events,this.events?.some(e=>!(e instanceof EditableEvent))&&(this.events=this.events.map(e=>new EditableEvent(e))),this.voices&&this.syncVoiceToEvents()}syncVoiceToEvents(){this.events.forEach(e=>e.voice=-1),this.voices.forEach((e,t)=>{e.forEach(e=>{const s=this.events.find(t=>t.id===e);s?s.voice=t:console.warn("no event with id:",e,this.events.length)})})}syncVoiceFromEvents(){const e=[];this.events.forEach(t=>{t?.voice>=0&&(e[t.voice]=e[t.voice]||[],e[t.voice].push(t))}),e.forEach(e=>e.sort((e,t)=>e.tick-t.tick)),this.voices=e.map(e=>e.map(e=>e.id))}get agent(){return new Proxy(this,{get:(e,t)=>{const s=e;switch(t){case"measureIndex":case"duration":return s[t];case"voices":return s.voices?.map(e=>e.join(","))||null;case"timeSignature":case"keySignature":case"doubtfulTimesig":return s.basics[0][t];case"toJSON":return()=>({measureIndex:s.measureIndex,voices:s.voices,duration:s.duration,timeSignature:s.basics[0].timeSignature,keySignature:s.basics[0].keySignature})}},set:(e,t,s)=>{const i=e;switch(t){case"timeSignature":case"keySignature":case"doubtfulTimesig":return i.basics[0][t]=s,i.basics=i.basics.map(()=>i.basics[0]),!0;case"duration":return i.duration=s,!0;case"measureIndex":case"voices":return!0}return!1},ownKeys:()=>["measureIndex","timeSignature","doubtfulTimesig","keySignature","duration","voices"],getOwnPropertyDescriptor:()=>({enumerable:!0,configurable:!0})})}makeMIDI(e=120){if(!this.regulated)return null;const t=6e7/e,s=this.voices.map((e,s)=>{const i=e.map(e=>{const t=this.events.find(t=>t.id===e);if(t){const e=t.graceIds?t.graceIds.map(e=>this.events.find(t=>t.id===e)):[];return[...e,t]}return[]}).flat(1),r=i.filter(e=>!e.rest&&Number.isFinite(e.tick)&&e.tick>=0&&Number.isFinite(e.duration)).map(e=>e.pitches.map(t=>[{id:e.id,time:e.tick,type:"channel",subtype:"noteOn",channel:e.staff,noteNumber:Le(t),velocity:96},{id:e.id,time:e.tick+e.duration,type:"channel",subtype:"noteOff",channel:e.staff,noteNumber:Le(t)}])).flat(2);return r.sort(function(e,t){return e.time-t.time}),0===s&&r.unshift({time:0,type:"meta",subtype:"timeSignature",numerator:this.timeSignature.numerator,denominator:this.timeSignature.denominator,thirtyseconds:8},{time:0,type:"meta",subtype:"setTempo",microsecondsPerBeat:t}),r.forEach(e=>{e.ticks=Math.round(e.time-0)}),r.forEach((e,t)=>{e.deltaTime=e.ticks-(t>0?r[t-1].ticks:0)}),r.push({deltaTime:0,type:"meta",subtype:"endOfTrack"}),r});return{header:{formatType:0,ticksPerBeat:480},tracks:s}}}var Ms;EditableMeasure.className="EditableMeasure",EditableMeasure.blackKeys=[],function(e){e.Pass="i",e.Division="d",e.Dots="o"}(Ms||(Ms={}));const Es=["whole","half","quarter","eighth","sixteenth","thirtysecond","sixtyfourth","128th","256th"],Ns=.4/je,Is=1e-12,Cs=[void 0,"u","d"],_s=[void 0,ze.Open,ze.Continue,ze.Close],Os=e=>({elements:e.elements.map(e=>({tick:e.tick,division:e.division,dots:e.dots,beam:e.beam,stemDirection:e.stemDirection,grace:e.grace,timeWarped:e.timeWarped,fullMeasure:e.fullMeasure,fake:e.fake,order:e.order,predisposition:e.predisposition}))});class BeadNode{constructor(e){Object.assign(this,e),this.children={},this.accessCount=0}nextBranch(){const e=this.possibilities.map((e,t)=>e/(this.children[t]?this.children[t].accessCount+1:1));return e.every(e=>!e)?(this.accessCount=1/0,null):$e(e)}get currentElem(){return this.cluster.elements[this.elemIndex]}branchID(e){switch(this.type){case Ms.Pass:return`i_${e}`;case Ms.Division:return Es[e];case Ms.Dots:return"o"+".".repeat(e)}return""}async deduce({picker:e,logger:t,ptFactor:s},i=0){++this.accessCount;const r=this.nextBranch();if(t.debug(String.fromCodePoint(127817)+" ".repeat(i),this.branchID(r),this.accessCount>1?`[${this.accessCount}]`:""),!Number.isInteger(r)||r<0)return this.accessCount=1/0,As(this.cluster,this.currentElem.order+1,this.pretentiousness);var n;if(this.pretentiousness+=(n=this.possibilities[r],Math.min(100,-Math.log(n))),this.pretentiousness>100*s)return this.accessCount=1/0,As(this.cluster,this.currentElem.order+1,this.pretentiousness);let a=null;switch(this.type){case Ms.Pass:{const t=this.currentElem.order+1,s=this.cluster.elements[r];if(console.assert(s,"null element:",r,this.cluster.elements.length),s.type===ps.EOS){if(a=As(this.cluster,t,this.pretentiousness),!a.residue||a.fatalError)return this.accessCount=1/0,a;if(this.cluster.elements[0].order=t,!this.children[r]){if(!e.quota)return a;const s=(await e.predictCluster(this.cluster,t+1)).map((e,s)=>this.cluster.elements[s].orderMath.max(Is,e));this.children[r]=new BeadNode({cluster:this.cluster,elemIndex:r,type:Ms.Division,possibilities:e,pretentiousness:this.pretentiousness})}}break;case Ms.Division:if(this.currentElem.division=r,!this.children[r]){const e=this.currentElem.predisposition.dotsVector.map(e=>Math.max(Is,e));this.children[r]=new BeadNode({cluster:this.cluster,elemIndex:this.elemIndex,type:Ms.Dots,possibilities:e,pretentiousness:this.pretentiousness})}break;case Ms.Dots:if(this.currentElem.dots=r,a=As(this.cluster,this.currentElem.order+1,this.pretentiousness),!a.residue||a.fatalError)return this.accessCount=1/0,a;if(!this.children[r]){if(!e.quota)return a;const t=this.currentElem.order+1,s=(await e.predictCluster(this.cluster,t)).map((e,s)=>this.cluster.elements[s].order{t.order>e&&(t.order=void 0)}),this.cluster.elements.forEach(e=>e.order=e.order>this.currentElem.order?void 0:e.order),this.cluster.elements[this.cluster.elements.length-1].tick=a.endTick,a}return o}}const Bs=e=>je*2**-e.division*(2-2**-e.dots),As=(e,t,s)=>{const i=e.elements.filter(e=>[ps.CHORD,ps.REST].includes(e.type)&&Number.isInteger(e.order)&&e.ordere.order-t.order);const r=e.elements[e.elements.length-1];let n=0,a=0,o=0,c=1;const l=[[r.x,e.signatureDuration,e.signatureDuration]];let u=0;i.forEach(e=>{e.order>a+1&&(n=0,++c);const t=l.find(e=>e[1]>=n);if(t&&e.x>t[0]+3){const t=l.reduce((t,s)=>Math.abs(e.predisposition.tick-s[2])t[0]>e.x));l.splice(s,0,[e.x,e.tick,e.predisposition.tick]);let i=Bs(e);e.predisposition.timeWarped>.5&&(i=2*i/3),n+=i,u+=i,o=Math.max(o,n),a=e.order}),o>0&&(e.elements[e.elements.length-1].tick=o);const h=e.elements[e.elements.length-1].pivotX-e.elements[1].pivotX,m=Math.max(...i.map(e=>e.tick),o),f=[...i].sort((e,t)=>e.pivotX-t.pivotX),d=f.slice(1).map((e,t)=>{const s=f[t],i=e.pivotX-s.pivotX,r=e.tick-s.tick;if(!r)return i/h;return(4*Math.atan2(r/m,i/h)/Math.PI-1)**2}),p=Math.max(...d,0),g=i.map(e=>(e.tick-e.predisposition.tick)**2),y=g.length?Math.sqrt(g.reduce((e,t)=>e+t,0)/g.length):0,v=e.elements.filter(e=>[ps.CHORD,ps.REST].includes(e.type)&&!(Number.isInteger(e.order)&&e.order.5)).length,x=p>=1||o>e.signatureDuration,S=Math.max(0,e.signatureDuration-u/c);return{tickErr:y,twist:p,residue:v,endTick:o,fatalError:x,voiceN:c,spaceDuration:S,pretentiousness:s,loss:y/je+p+.2*v+.002*c+S*Ns+.02*s}},Ps=async(e,t,s,i=200,r=0,n=1)=>{e.elements.forEach((e,t)=>e.order=t?void 0:0);const a=await t.predictCluster(e,1),o=new BeadNode({cluster:e,elemIndex:0,pretentiousness:0,type:Ms.Pass,possibilities:a});let c=null,l=null;for(t.quota=i;t.quota;){e.elements.forEach((e,t)=>e.order=t?void 0:0);const i=await o.deduce({picker:t,logger:s,ptFactor:n});if(s.debug("loss:",i),(!c||i.loss{e.elements.forEach((e,s)=>Object.assign(e,t.elements[s]))})(e,l);const u=e.elements.filter(e=>[ps.CHORD,ps.REST].includes(e.type)&&Number.isInteger(e.order)),h=e.elements.filter(e=>[ps.CHORD,ps.REST].includes(e.type)&&!Number.isInteger(e.order));u.length&&h.forEach(e=>{if(e.tick=void 0,e.predisposition.fakeP<.5){const t=Bs(e),s=u.filter(e=>e.tick+t<=c.endTick);if(s.length){const t=s.reduce((t,s)=>Math.abs(s.x-e.x)e.order-t.order),[...u,...h].forEach(e=>{e.grace=!Number.isFinite(e.tick)&&e.predisposition.grace,e.timeWarped=e.predisposition.timeWarped>.5,e.fullMeasure=e.predisposition.fullMeasure>.5,e.stemDirection=Cs[$e(e.predisposition.stemDirectionVector)],e.beam=_s[$e(e.predisposition.beamVector)]});const m=e.elements.map(e=>e.index),f=e=>m.indexOf(e);return e.matrixH=e.elements.map(()=>Array(e.elements.length).fill(0)),u.forEach((t,s)=>{const i=u[s-1];!i||i.order{const{stopLoss:s=.09,quotaMax:i=1e3,quotaFactor:r=5,ptFactor:n=1,logger:a=new DummyLogger}=t;let o=0;const c=e.createClusters();for(const l of c){const c=Math.min(i,Math.ceil(l.elements.length*r));a.info(`[measure-${e.measureIndex}]`,c);const{loss:u}=await Ps(l,t.picker,a,c,s,n);o=Math.max(o,u)}const l=[],u=[],h=[];c.forEach(t=>{const s=t.elements.filter(e=>[ps.CHORD,ps.REST].includes(e.type)&&Number.isInteger(e.order));if(s.sort((e,t)=>e.order-t.order),!s.length)return;let i=[];l.push(i);let r=0;s.forEach(e=>{e.fullMeasure||e.grace||e.tremoloCatcher||(e.order>r+1?(i=[e.index],l.push(i)):i.push(e.index),r=e.order)});let n=s[s.length-1];const a=t.elements.filter(e=>[ps.CHORD,ps.REST].includes(e.type)&&Number.isFinite(e.tick)&&!Number.isInteger(e.order));for(;a.length;){const e=a.findIndex(e=>e.tick>=n.tick+Bs(n));e>=0?i.push(a.splice(e,1)[0].index):(n=a.splice(0,1)[0],i=[n.index],l.push(i))}if(s.some(e=>!e.fullMeasure&&Number.isInteger(e.order))){const e=t.elements.find(e=>e.type===ps.EOS);u.push(e.tick)}const o=e.eventMap,c=t.elements.reduce((e,t)=>(Number.isFinite(t.tick)&&e.add(t.tick),e),new Set),m=Array.from(c).sort((e,t)=>e-t);s.forEach(e=>{const t=o[e.index];t&&h.push({id:t.id,tick:e.tick,tickGroup:m.indexOf(e.tick),division:e.division!==t.division?e.division:void 0,dots:e.dots!==t.dots?e.dots:void 0,timeWarp:e.timeWarped?_e(2,3):void 0,beam:e.beam!==t.beam?e.beam:void 0,grace:e.grace!==!!t.grace?e.grace:void 0,fullMeasure:e.fullMeasure||void 0})})});const m=Math.max(...c.map(e=>e.estimatedDuration));return{voices:l.filter(e=>e.length),duration:Math.max(...u),events:h,priority:-o,estimatedDuration:m}},Ds=async(e,{picker:t,resetSignatureForDoubtfulOnly:s})=>{const i=e.createClusters(),r=e.eventMap;for(const n of i)s&&!e.doubtfulTimesig||(n.signatureDuration=0),n.elements.forEach((e,t)=>e.order=t?void 0:0),await t.predictCluster(n,1),n.elements.filter(e=>[ps.CHORD,ps.REST].includes(e.type)).forEach(e=>{r[e.index].predisposition=e.predisposition});e.estimatedDuration=Math.max(...i.map(e=>e.estimatedDuration))},Fs=async(e,t)=>Ds(e,{picker:t,resetSignatureForDoubtfulOnly:!0});var Ls=Object.freeze({__proto__:null,solveCluster:Ps,solveMeasure:Rs,estimateMeasure:Fs,glimpseMeasure:Ds}),$s=Object.freeze({__proto__:null,beadSolver:Ls,get PageLayoutMethod(){return d},get TextType(){return p},TokenTypes:P,TokenClefs:R,TokenTimesigs:D,TokenTimesigsC:F,TokenTimesigsN:L,TokenOctshifts:$,TokenNumbers:j,TokenAccidentals:H,TokenNoteheads:V,TokenBareNoteheads:z,TokenDirectionalNoteheads:q,TokenRests:G,TokenFlags:W,TokenVolta:U,TokenDynamics:Y,TokenScripts:X,TokenPedals:K,TokenDots:Z,TokenArcs:J,TokenBeams:Q,TokenWedges:ee,TokenAccessories:te,TokenDirectionless:se,TokenGlyphs:ie,get TokenType(){return B},Token:Token,TextToken:TextToken,TOKEN_Y_ROUND:re,TOKEN_Y_FIXED:ne,VERSION:14,Score:Score,Page:Page,System:System,Staff:Staff,Measure:Measure,emptyVoiceFromStaffMeasure:vs,SpartitoMeasure:SpartitoMeasure,Spartito:Spartito,EditableEvent:EditableEvent,EditableMeasure:EditableMeasure,Term:Term,EventTerm:EventTerm,ContextedTerm:ContextedTerm,MarkTerm:MarkTerm,TempoTerm:TempoTerm,GlyphTerm:GlyphTerm,TextTerm:TextTerm,LyricTerm:LyricTerm,CommandTerm:CommandTerm,ChordmodeTerm:ChordmodeTerm,get ContextType(){return Ue},get GraceType(){return Ve},get GlissandoStyle(){return Ge},get ArpeggioStyle(){return We},get AccessoryDirection(){return He},WHOLE_DURATION:je,get StemBeam(){return ze},get TremoloLink(){return qe},mod7:bs,get SemanticType(){return g},glyphSemanticMapping:{"rests.1":"Rest1","rests.0o":"Rest0","rests.1o":"Rest1","rests.M1":"RestM1","rests.2":"Rest2","rests.3":"Rest3","rests.4":"Rest4","rests.5":"Rest5","rests.6":"Rest6","accidentals.sharp":"AccSharp","accidentals.doublesharp":"AccDoublesharp","accidentals.natural":"AccNatural","accidentals.flat":"AccFlat","accidentals.flatflat":"AccFlatflat","dots.dot":"Dot","scripts.ufermata":"ScriptFermata","scripts.dfermata":"ScriptFermata","scripts.ushortfermata":"ScriptShortFermata","scripts.dshortfermata":"ScriptShortFermata","scripts.staccato":"ScriptStaccato","scripts.ustaccatissimo":"ScriptStaccatissimo","scripts.dstaccatissimo":"ScriptStaccatissimo","scripts.turn":"ScriptTurn","scripts.trill":"ScriptTrill","scripts.segno":"ScriptSegno","scripts.coda":"ScriptCoda","scripts.arpeggio":"ScriptArpeggio","scripts.prall":"ScriptPrall","scripts.mordent":"ScriptMordent","scripts.umarcato":"ScriptMarcato","scripts.dmarcato":"ScriptMarcato","scripts.uportato":"ScriptPortato","scripts.dportato":"ScriptPortato","scripts.tenuto":"ScriptTenuto","scripts.sforzato":"ScriptSforzato","clefs.C":"ClefC","clefs.F":"ClefF","clefs.G":"ClefG","clefs.F_change":"ClefF","clefs.G_change":"ClefG","timesig.C44":"TimesigC44","timesig.C22":"TimesigC22","pedal.*":"PedalStar","pedal.Ped":"PedalPed","noteheads.s0":"NoteheadS0","noteheads.s1":"NoteheadS1","noteheads.s2":"NoteheadS2",f:"f",m:"m",p:"p",r:"r",s:"s",z:"z"},semanticPriorities:{ClefG:0,ClefF:0,TimesigFour:0,TimesigThree:0,TimesigTwo:0,NoteheadS0:0,NoteheadS1:0,NoteheadS2:0,Dot:0,vline_BarMeasure:0,vline_Stem:0,Flag3:0,TimesigC44:1,TimesigC22:1,TimesigEight:1,TimesigSix:1,AccNatural:1,AccSharp:1,AccFlat:1,KeyAcc:1,Rest0:1,Rest1:1,Rest2:1,Rest3:1,Rest4:1,OctaveShift8:1,OctaveShift0:1,AccDoublesharp:2,AccFlatflat:2,TimesigOne:2,TimesigNine:2,Rest5:2,Rest6:2,SlurBegin:2,SlurEnd:2,VoltaLeft:2,VoltaRight:2,vline_BarTerminal:2,vline_BarSegment:2,TempoNotehead:2,GraceNotehead:2,SignLined:2,SignInterval:2,BeamLeft:2,BeamRight:2,BeamContinue:2,TremoloLeft:2,TremoloRight:2,TremoloMiddle:2,StemTip:2,StemHead:2,f:3,p:3,m:3,ScriptFermata:3,ScriptSforzato:3,ScriptStaccato:3,ScriptStaccatissimo:3,ScriptTurn:3,ScriptTrill:3,ScriptSegno:3,ScriptCoda:3,ScriptArpeggio:3,ScriptPrall:3,ScriptMordent:3,ScriptTenuto:3,PedalStar:3,PedalPed:3,TimesigFive:3,TimesigSeven:3,TimesigZero:3,One:3,Two:3,Three:3,Four:3,Five:3,rect_Text:3,rect_Lyric:3,CrescendoBegin:3,CrescendoEnd:3,DecrescendoBegin:3,DecrescendoEnd:3,RestM1:4,ClefC:4,ScriptShortFermata:4,ScriptMarcato:4,ScriptPortato:4,s:4,r:4,z:4,Zero:4,Six:4,Seven:4,Eight:4,Nine:4},NOTEHEAD_WIDTHS:w,glyphCenters:M,ONE_D_SEMANTICS:["OctaveShift8va","OctaveShift8vb","OctaveShift8","OctaveShift0","vline_VoltaLeft","vline_VoltaRight","VoltaAlternativeBegin","vline_BarMeasure","vline_BarTerminal","vline_BarSegment"],SYSTEM_SEMANTIC_TYPES:E,CONFLICTION_GROUPS:I,STAMP_SEMANTICS:C,STAMP_RECTS:{ClefG:[-.0625,-1.125,3.6,8.6],ClefF:[.25,.5625,3.6,3.8],ClefC:[.25,0,3.25,4.5],NoteheadS0:[.0625,0,2.55,1.4],NoteheadS1:[.0625,0,1.8,1.4],NoteheadS2:[.0625,-.0625,1.65,1.35],Dot:[.25,0,.6,.6],Rest0:[0,-.75,3.25,.9],Rest1:[0,-.25,3.25,.9],Rest2:[-.0625,-.1875,1.6,3.375],Rest3:[0,.0625,1.2,2.25],Rest4:[.0625,.5625,1.65,3.375],Rest5:[.0625,.0625,1.95,4.375],Rest6:[.0625,.5625,1.95,5.375],RestM1:[-.4375,-1.5,.75,1.2],AccNatural:[0,0,.9,3.5],AccSharp:[0,0,1.5,3.5],AccDoublesharp:[0,0,1.5,1.5],AccFlat:[0,-.5625,1.2,3.125],AccFlatflat:[.1875,-.5625,1.95,3.125],TimesigC44:[-.0625,0,2.25,2.3],TimesigC22:[-.0625,0,2.25,3.2],TimesigZero:[0,0,1.8,2.2],TimesigOne:[-.125,0,1.5,2.2],TimesigTwo:[0,0,2.2,2.2],TimesigThree:[-.0625,0,1.9,2.4],TimesigFour:[.0625,0,1.95,2.2],TimesigFive:[0,0,1.8,2.3],TimesigSix:[0,0,2,2.4],TimesigSeven:[0,0,1.8,2.2],TimesigEight:[0,0,1.9,2.2],TimesigNine:[0,0,1.9,2.2],One:[-.0625,0,.75,1.6],Two:[0,0,1.2,1.6],Three:[0,0,1.2,1.6],Four:[0,0,1.2,1.6],Five:[0,0,1.2,1.6],OctaveShift8:[2.125,-.1875,4.75,3.6],OctaveShift0:[-.4,0,1.8,4.2],f:[.0625,-.125,2.55,3],p:[-.0625,.25,2.55,2.1],m:[-.125,-.0625,2.4,1.35],n:[-.3125,-.0625,1.95,1.35],r:[0,-.125,1.5,1.5],s:[0,-.0625,1.2,1.35],z:[.0625,0,1.35,1.5],ScriptFermata:[0,0,3.25,3.9],ScriptShortFermata:[0,0,2.4,4.95],ScriptSforzato:[-.0625,0,2.5,1.2],ScriptStaccato:[0,-.0625,.6,.45],ScriptStaccatissimo:[0,0,1.2,2.6],ScriptTurn:[0,0,2.7,1.5],ScriptTrill:[-.125,-.5,3,2.7],ScriptSegno:[0,0,2.4,3.5],ScriptCoda:[0,0,2.7,3.25],ScriptArpeggio:[-.0625,0,1.05,1.8],ScriptPrall:[0,0,2.4,1.2],ScriptMordent:[0,0,2.4,1.5],ScriptMarcato:[0,0,1.2,2.475],ScriptTenuto:[0,-.0625,1.5,.15],ScriptPortato:[0,0,1.5,1.65],PedalStar:[0,0,3.2,3.2],PedalPed:[0,-.25,4.7,2.4]},hashSemanticPoint:_,hashPageSemanticPoint:O,SemanticGraph:SemanticGraph,get SemanticElementType(){return ot},SemanticCluster:SemanticCluster,SemanticClusterSet:class SemanticClusterSet{constructor(e){if(e&&(this.clusters=e.clusters,e.vocab)){const t=e.vocab.map((e,t)=>[t,ot[e]]).filter(([e,t])=>e!==t).reduce((e,[t,s])=>(e[t]=s,e),{});this.clusters.forEach(e=>e.elements.forEach(e=>{Number.isFinite(t[e.type])&&(e.type=t[e.type])}))}}toJSON(){return{__prototype:"SemanticClusterSet",vocab:Object.entries(ot).filter(e=>Number.isFinite(e[1])).map(e=>e[0]),clusters:this.clusters.map(e=>e.toJSON())}}},ELEMENT_TOKEN_NAMES:ht,NOTEHEAD_ELEMENT_TYPES:ft,NOTE_ELEMENT_TYPES:gt,BOS_ELEMENT:kt,fractionToElems:Tt,expandMatrixByMasks:Mt,expandMatrixByMaskTriu:Et,matrixFromGroups:Nt,get EventElementType(){return ps},EventCluster:EventCluster,EventClusterSet:EventClusterSet,recoverJSON:ae,SimpleClass:SimpleClass,PatchMeasure:PatchMeasure,evaluateMeasure:Ke});const js=[B.ClefG,B.ClefF,B.ClefC],Hs=e=>{let t=null;switch(e.tokenType){case B.ClefG:t="Treble";break;case 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this._digest(this.tasks.shift()):(this.working=!1,this.emit("idle"))}addTask(e,{timeout:t=6e5}={}){const[s,i,r]=ri({timeout:t});return this.working?this.tasks.push([...e,i,r]):this._digest([...e,i,r]),s}}class ZeroClient{constructor(e=console){this.queue=new AsyncQueue,this.logger=e}bind(e){e&&(this.url=e),this.socket=new n.Request({sendTimeout:15e3,receiveTimeout:3e5}),this.socket.connect(this.url)}__request(e){let t=0;const s=async e=>{try{return this.socket.closed&&this.bind(),await this.socket.send(r.pack(e)).then(()=>this.socket.receive())}catch(i){if(t<2)return t++,console.log(`请求失败，${i.stack}`),console.error(`3s后重试第${t}次`),this.socket.close(),await new Promise(e=>setTimeout(e,3e3)),s(e);throw i}};return s(e)}async request(e,t=null,s=null){const[i,n]=Array.isArray(t)?[t,s]:[void 0,t],a={method:e};return i&&(a.args=i),n&&(a.kwargs=n),this.queue.addTask([async e=>{const[t]=await this.__request(e),s=r.unpack(t);return 0===s.code?s.data:Promise.reject(s.msg)},a])}}class PyProcessor 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xi(e,{format:t="webp",maxHeight:s=1080,quality:i=80}={}){let r=await(async e=>"string"==typeof e?/^https?:\/\//.test(e)?(await T.default(e,{responseType:"buffer",decompress:!0,https:{rejectUnauthorized:!1}})).body:/^data:image\//.test(e)?Buffer.from(e.split(",")[1],"base64"):Buffer.from(e):e)(e);const n=await new Promise(e=>{k.default(r).resize({width:s,height:s,fit:"inside",withoutEnlargement:!0}).toFormat(t,{quality:i}).toBuffer((t,s)=>{e(s)})});return{buffer:n,filename:`${b.default.ArrayBuffer.hash(n)}.${t}`}}globalThis.OffscreenCanvas=globalThis.OffscreenCanvas||c.Canvas,globalThis.Image=globalThis.Image||c.Image,globalThis.btoa=globalThis.btoa||(e=>Buffer.from(e,"binary").toString("base64"));const Si=32,bi={viewportHeight:256,viewportUnit:8},ki=192,Ti=8,wi={viewportHeight:192,viewportUnit:8};const Mi=e=>Promise.all(e.map(e=>e())),Ei=async(e,t,{paddingLeft:s=0,scaling:i=1,spec:r})=>{if(!e||!e.backgroundImage)return null;const n=e.staves[t];if(!n)return null;const a=r.viewportHeight/r.viewportUnit/2,o=e.imagePosition.width*r.viewportUnit,l=e.imagePosition.height*r.viewportUnit,u=e.imagePosition.x*r.viewportUnit+s,h=(e.imagePosition.y-(n.top+n.staffY-a))*r.viewportUnit,m=new c.Canvas(Math.round(o+u)*i,r.viewportHeight*i),f=m.getContext("2d");return f.fillStyle="white",f.fillRect(0,0,m.width,m.height),f.drawImage(await c.loadImage(e.backgroundImage),u*i,h*i,o*i,l*i),m};async function Ni({system:e,staff:t,staffIndex:s}){const i=await Ei(e,s,{paddingLeft:Si,spec:wi});t.backgroundImage=i.toBufferSync("png"),t.imagePosition={x:-32/wi.viewportUnit,y:t.staffY-wi.viewportHeight/2/wi.viewportUnit,width:i.width/wi.viewportUnit,height:i.height/wi.viewportUnit}}async function Ii({system:e,staff:t,staffIndex:s,gaugeImage:i,pyClients:r}){const n=(await Ei(e,s,{paddingLeft:Si,spec:bi,scaling:2})).toBufferSync("png"),a=(e.middleY-(t.top+t.staffY))*bi.viewportUnit+bi.viewportHeight/2,{buffer:o,size:c}=await r.predictScoreImages("gaugeRenderer",[n,i,a]);t.backgroundImage=o,t.imagePosition={x:-32/bi.viewportUnit,y:t.staffY-c.height/2/bi.viewportUnit,width:c.width/bi.viewportUnit,height:c.height/bi.viewportUnit},t.maskImage=null}async function Ci({staff:e,staffIndex:t,maskImage:s}){const i=await c.loadImage(s);e.maskImage=s,e.imagePosition={x:-32/Ti,y:e.staffY-ki/2/Ti,width:i.width/Ti,height:i.height/Ti}}async function _i({score:e,staffIndex:t,system:s,staff:i,graph:r}){r.offset(-32/wi.viewportUnit,0),s.assignSemantics(t,r),i.assignSemantics(r),i.clearPredictedTokens(),e.assembleSystem(s,e.settings?.semanticConfidenceThreshold||1)}function Oi(e,t){[[e.source,"url"],...e.systems.map(e=>[[e,"backgroundImage"],...e.staves.map(e=>[[e,"backgroundImage"],[e,"maskImage"]]).flat()]).flat()].map(([e,s])=>{e[s]=t(e[s])})}class OMRProgress{constructor(e){this.state={},this.onChange=e}setTotal(e,t){this.state[e]=this.state[e]||{total:t,finished:0}}increase(e,t=1){(this.state[e]||{finished:0}).finished+=t,this.onChange(this.state)}}const Bi=new l.WeakLRUCache,Ai={get:async e=>Bi.getValue(e),async set(e,t){Bi.setValue(e,t)}},Pi=async e=>{if(e instanceof Buffer||"string"==typeof e&&(/^https?:\/\//.test(e)||/^data:image\//.test(e))){return`data:image/webp;base64,${(await xi(e)).buffer.toString("base64")}`}return e},Ri=e=>{const t=Math.random();let s=0;for(let i=0;it)return i;return e.length-1},Di=(e,t=.9)=>{const s=e.map(e=>Math.log(e)*t).map(Math.exp),i=s.reduce((e,t)=>e+t,0);return s.map(e=>e/i)},Fi=e=>{if(!e.predisposition?.divisionVector&&!e.predisposition?.dotsVector)return e;const t=e.predisposition?.divisionVector?Di(e.predisposition.divisionVector):null,s=e.predisposition?.dotsVector?Di(e.predisposition.dotsVector):null;return new EventTerm({...e,predisposition:{...e.predisposition,divisionVector:t,dotsVector:s}})};class MeasureRectification{constructor(e){Object.assign(this,e)}toString(){return this.events.map(e=>{if(!e)return"";const{division:t="",dots:s=""}=e;return`${t}|${s}`}).join(",")}static default(e){return new MeasureRectification({events:e.map(e=>{if(!e.predisposition?.divisionVector&&!e.predisposition?.dotsVector)return null;const t=e.predisposition.divisionVector?e.division:void 0,s=e.predisposition.dotsVector?e.dots:void 0;return{id:e.id,division:t,dots:s}})})}static roll(e){return new MeasureRectification({events:e.map(e=>{if(!e.predisposition?.divisionVector&&!e.predisposition?.dotsVector)return null;let t,s;return e.predisposition.divisionVector&&(t=Ri(e.predisposition.divisionVector)),e.predisposition.dotsVector&&(s=Ri(e.predisposition.dotsVector)),{id:e.id,division:t,dots:s}})})}}const Li=new l.WeakLRUCache,$i={get:async e=>Li.getValue(e),async set(e,t){Li.setValue(e,t)},batchGet:async e=>e.map(e=>Li.getValue(e))};var ji;!function(e){e[e.ErrorOnly=0]="ErrorOnly",e[e.NotFine=1]="NotFine",e[e.Imperfect=2]="Imperfect"}(ji||(ji={}));const Hi=async(e,t,s,i,r=ji.NotFine,n=0,a)=>{const o=e.filter(({evaluation:e})=>!e||((e,t)=>{switch(t){case ji.ErrorOnly:return e.error;case ji.Imperfect:return!e.perfect}return!e.fine})(e,r));s?.write(".".repeat(o.length)),s?.write("\b".repeat(o.length));const c=o.length;let l=0;for(const e of o){const s=e.current.deepCopy();s.staffGroups=e.current.staffGroups;const r=await Rs(s,{picker:e.picker,...i});s.applySolution(r);const o=Ke(s),u=!e.evaluation||o.fine>e.evaluation.fine||o.qualityScore>e.evaluation.qualityScore&&o.fine===e.evaluation.fine;u&&(e.evaluation=o,Object.assign(e.current,s)),t(e.current,o,u),l++,a?.(e.current,o,u,{pass:n,remaining:c-l,total:c})}return o.length&&s?.write("\n"),o.length};globalThis.btoa=globalThis.btoa||(e=>Buffer.from(e,"binary").toString("base64"));const Vi=parseInt(process.env.RECTIFICATION_SEARCH_ITERATIONS||"30"),zi=parseInt(process.env.BASE_QUOTA_FACTOR||"40"),qi=parseInt(process.env.RECTIFICATION_QUOTA_FACTOR||"80"),Gi=(e,t,s)=>Math.min(Math.ceil((e+1)*t*Math.log(e+2)),Math.ceil(s*Math.min(1,(24/(e+1))**2)));async function Wi(e,{solver:t,quotaMax:s=1e3,quotaFactor:i=zi,solutionStore:r=$i,ignoreCache:n=!1,logger:a}={}){let o=0,c=0;return a?.info(`[solveMeasures] begin, measure total: ${e.length}.`),await Promise.all(e.map(async l=>{if(!n){const e=await r.get(l.regulationHash);if(e)return l.applySolution(e),void++o}const u=Gi(l.events.length,i,s);await l.regulate({policy:"equations",quota:u,solver:t});const h=Ke(l);h.error||r.set(l.regulationHash0,{...l.asSolution(),priority:-l?.solutionStat?.loss}),h.perfect&&++c,a?.info(`[solveMeasures] measure[${l.measureIndex}/${e.length}] regulated: ${h.perfect?"solved":h.error?"error":"issue"}, ${l.regulationHash}`)})),a?.info(`[solveMeasures] ${o}/${e.length} cache hit, ${c} solved.`),{cached:o,computed:e.length-o,solved:c}}const Ui=async(e,{solver:t,quotaMax:s=4e3})=>{let i=Ke(e),r=e.asSolution();const n=Gi(e.events.length,qi,s);let a=0;for(const s of function*(e){const t=new Set,s=MeasureRectification.default(e.events);t.add(s.toString()),yield s;let i=0,r=e.events;for(;i<100;){i&&i%10==0&&(r=r.map(Fi));const e=MeasureRectification.roll(r),s=e.toString();t.has(s)?++i:(i=0,t.add(s),yield e)}}(e)){const o=await ys.regulateMeasureWithRectification(e,s,{solver:t,quota:n}),c=e.deepCopy();c.applySolution(o);const l=Ke(c);if((l.perfect>i.perfect||l.error=i.perfect&&o.priority>r.priority)&&(i=l,r=o),l.perfect)break;if(++a,a>Vi)break}return r};const Yi=async(e,{solver:t,solutionStore:s=$i,logger:i,quotaMax:r=240,quotaFactor:n=16})=>{e.assemble();const a=e.spartito||e.makeSpartito(),o=a.measures.filter(e=>!e.regulated);await Wi(o,{solver:t,quotaMax:r,quotaFactor:n,solutionStore:s,logger:i}),console.assert(e.spartito?.regulated,"doSimpleRegulate: regulation incomplete:",a.measures.filter(e=>!e.regulated).length)};console.info("%cstarry-omr%c v1.0.0 2026-02-20T10:22:15.319Z","color:#fff; background-color: #555;padding: 5px;border-radius: 3px 0 0 3px;","color: #fff; background-color: #007dc6;padding: 5px;border-radius: 0 3px 3px 0;"),exports.DefaultSolutionStore=$i,exports.PyClients=class PyClients{constructor(e,t=console){this.options=e,this.logger=t,this.clients=new Map}async getClient(e){if(this.clients.has(e))return this.clients.get(e);const[t,s,i]=ri(),r=this.options[e];if(!r)throw new Error(`no config for client \`${e}\` found`);try{if("string"==typeof r){const e=new ZeroClient;e.bind(r),s(e)}else{const{scriptPath:e,...t}=r,i=new PyProcessor(e,t,this.logger);await i.bind(`${await ui()}`),s(i)}this.logger.info(`PyClients: ${e} started`)}catch(t){this.logger.error(`PyClients: ${e} start fail: ${JSON.stringify(t)}`),i(t)}return this.clients.set(e,t),t}async checkHost(e){return(await this.getClient(e)).request("checkHost")}async warmup(){const e=Object.keys(this.options);await Promise.all(e.map(e=>this.getClient(e)))}async predictScoreImages(e,...t){const s=e.split("$")[0],i=await this.getClient(s);let r=null;this.logger.info(`[predictor]: ${e} py start..`);const n=Date.now();switch(e){case"layout":r=await i.request("predictDetection",t);break;case"layout$reinforce":r=await i.request("predictReinforce",t);break;case"gauge":case"mask":r=await i.request("predict",t,{by_buffer:!0});break;case"semantic":case"textLoc":r=await i.request("predict",t);break;case"textOcr":case"brackets":case"topo":case"gaugeRenderer":case"jianpu":r=await i.request("predict",...t);break;default:this.logger.error(`[predictor]: no predictor ${e}`)}return this.logger.info(`[predictor]: ${e} py duration: ${Date.now()-n}ms`),r}},exports.abstractOMRStats=e=>{const{costTotal:t,pagesCostTotal:s,pagesTotal:i}=e.reduce((e,t)=>({costTotal:e.costTotal+t.cost,pagesCostTotal:e.pagesCostTotal+t.pagesCost,pagesTotal:e.pagesTotal+t.pages}),{costTotal:0,pagesCostTotal:0,pagesTotal:0});return{costTotal:t,costPerPage:i?t/i:null,pagesTotal:i,scoreN:e.length}},exports.abstractRegulationBeadStats=e=>{const{totalCost:t,pickerCost:s,measureN:i,timeN:r}=e.reduce((e,t)=>({totalCost:e.totalCost+t.totalCost,pickerCost:e.pickerCost+t.pickerCost,measureN:e.measureN+t.measures.computed,timeN:e.timeN+t.measures.tryTimes}),{totalCost:0,pickerCost:0,measureN:0,timeN:0}),n=i>0?t/i:null,a=r>0?t/r:null,{cached:o,simple:c,computed:l,tryTimes:u,solved:h,issue:m,fatal:f}=e.reduce((e,t)=>({cached:e.cached+t.measures.cached,simple:e.simple+t.measures.simple,computed:e.computed+t.measures.computed,tryTimes:e.tryTimes+t.measures.tryTimes,solved:e.solved+t.measures.solved,issue:e.issue+t.measures.issue,fatal:e.fatal+t.measures.fatal}),{cached:0,simple:0,computed:0,tryTimes:0,solved:0,issue:0,fatal:0});return{scoreN:e.length,totalCost:t,pickerCost:s,costPerMeasure:n,costPerTime:a,cached:o,simple:c,computed:l,tryTimes:u,solved:h,issue:m,fatal:f}},exports.abstractRegulationStats=e=>{const{baseCostTotal:t,topoCostTotal:s,baseMeasures:i,topoMeasures:r}=e.reduce((e,t)=>({baseCostTotal:e.baseCostTotal+t.baseCost,topoCostTotal:e.topoCostTotal+t.topoCost,baseMeasures:e.baseMeasures+t.baseMeasures.computed,topoMeasures:e.topoMeasures+(t.topoMeasures.solved+t.topoMeasures.issue+t.topoMeasures.fatal)}),{baseCostTotal:0,topoCostTotal:0,baseMeasures:0,topoMeasures:0}),n=i>0?t/i:null,a=r>0?s/r:null,{cached:o,baseComputed:c,baseSolved:l,topoSolved:u,topoIssue:h,topoFatal:m}=e.reduce((e,t)=>({cached:e.cached+t.baseMeasures.cached,baseComputed:e.baseComputed+t.baseMeasures.computed,baseSolved:e.baseSolved+t.baseMeasures.solved,topoSolved:e.topoSolved+t.topoMeasures.solved,topoIssue:e.topoIssue+t.topoMeasures.issue,topoFatal:e.topoFatal+t.topoMeasures.fatal}),{cached:0,baseComputed:0,baseSolved:0,topoSolved:0,topoIssue:0,topoFatal:0});return{scoreN:e.length,baseCostTotal:t,topoCostTotal:s,baseCostPerMeasure:n,topoCostPerMeasure:a,cached:o,baseComputed:c,baseSolved:l,topoSolved:u,topoIssue:h,topoFatal:m}},exports.constructSystem=vi,exports.convertImage=xi,exports.doRegulate=async(e,{pyClients:t,solver:s,solutionStore:i=$i,onSaveIssueMeasure:r})=>{t?.logger?.info(`[doRegulate] score: ${e.title}`),e.spartito=void 0,e.assemble();const n=e.makeSpartito();n.measures.forEach(t=>e.assignBackgroundForMeasure(t));const a=Date.now(),o=await Wi(n.measures,{solver:s,quotaMax:1e3,solutionStore:i,logger:t?.logger}),c=Date.now(),l=t?await async function(e,{pyClients:t,solver:s,solutionStore:i=$i,onSaveIssueMeasure:r}){t.logger.info(`[RegulateWithTopo] regulate score: ${e.title}, measures: ${e.spartito.measures.length}`);const n=e.spartito.measures.filter(e=>!Ke(e).perfect);if(t.logger.info(`[RegulateWithTopo] basic issues: ${n.length}`),0===n.length)return{solved:0,issue:0,fatal:0};const a=[].concat(...n.map(e=>e.createClusters())),o=await t.predictScoreImages("topo",{clusters:a});console.assert(o.length===a.length,"prediction number mismatch:",a.length,o.length),a.forEach((e,t)=>{const s=o[t];console.assert(s,"no result for cluster:",e.index),e.assignPrediction(s)}),n.forEach(e=>{const t=a.filter(t=>t.index===e.measureIndex);e.applyClusters(t);const{matrixH:s}=ys.estiamteMeasure(e);s.forEach((t,s)=>t.forEach((t,i)=>{e.matrixH[s][i]=.9*e.matrixH[s][i]+t*(1-.9)}))});const c=[],l=[];await Promise.all(n.map(async e=>{const n=e.regulationHash0,a=await Ui(e,{solver:s});a&&(e.applySolution(a),i.set(n,a),i.set(e.regulationHash,e.asSolution()),t.logger.info(`[RegulateWithTopo] solutionStore set: ${e.measureIndex}, ${n}, ${e.regulationHash}`));const o=Ke(e);r?.({measureIndex:e.measureIndex,measure:new EditableMeasure(e),status:o.error?2:1}),o.perfect?c.push(e.measureIndex):o.error&&l.push(e.measureIndex)}));const u=n.length-c.length-l.length;return t.logger.info(`[RegulateWithTopo] score: ${e.title}, solved/issue/fatal: ${c.length}/${u}/${l.length}`),c.length&&t.logger.info(`[RegulateWithTopo] solved measures: ${c.join(", ")}`),l.length&&t.logger.info(`[RegulateWithTopo] error measures: ${l.join(", ")}`),{solved:c.length,issue:u,fatal:l.length}}(e,{pyClients:t,solver:s,solutionStore:i,onSaveIssueMeasure:r}):void 0;return{baseCost:c-a,topoCost:Date.now()-c,baseMeasures:o,topoMeasures:l,qualityScore:n.qualityScore}},exports.doSimpleRegulate=Yi,exports.encodeFindResource=function(e){const t=e.spartito.perform(),s=e.systems.map(e=>e.staves.map(e=>e?.maskImage)).flat(),i=s.filter(Boolean).length>s.length/2,r={},n=new Map,a=new Map,o=new Map;r.unitSize=e.unitSize,r.title={title:e.title};const c=e.pages[0].tokens;if(Array.isArray(c)&&c.length>0){const[t,...s]=c.filter(e=>e.type===B.Text&&"Title"===e.textType).sort((e,t)=>t.fontSize-e.fontSize);t&&(r.title.title=t.text,r.title.t={size:t.fontSize}),s?.length>0&&(s.sort((e,t)=>e.y-t.y),r.title.subtitle=s.map(e=>e.text).join("\n"),r.title.s={size:s.reduce((e,t)=>e+t.fontSize,0)/s.length});const i=c.filter(t=>t.type===B.Text&&"Author"===t.textType&&t.x>e.pages[0].width/2);i.length>0&&(r.title.composer=i.map(e=>e.text).join("\n"),r.title.c={size:i.reduce((e,t)=>e+t.fontSize,0)/i.length})}if(r.page={w:e.pages[0].width,h:e.pages[0].height},r.pages=e.pages.map(t=>{const s=t.source.dimensions.width/t.source.interval,i=t.source.dimensions.height/t.source.interval,[r,n,a,o]=t.source.matrix;return{src:t.source.url,w:s,h:i,x:0,y:0,l1:e.systems.indexOf(t.systems[0]),ls:t.systems.length,matrix:[r,n,a,o,-.5*r*s+-.5*i*a+.5*t.width||0,-.5*n*s+-.5*i*o+.5*t.height||0]}}),r.parts=[],r.lines=[],i){const t=e.staffLayout.partGroups.map(e=>e.range[0]===e.range[1]?[e.range[0]]:e.range),s=e.getTokenMap(),i=[];for(const[c,l]of t.entries()){const u=t.slice(0,c).flat().length,h={measures:[]};e.systems.forEach((r,m)=>{const f=r.staves.slice(),d=t.flat().map(e=>1<m+1&&(p[m+1]=p[m]);continue}const g=[];for(const e of l){const t=d[e];t&&g.push(...t.measures[m].getChords().map(t=>({chord:t,staffIndexInPart:e-u})))}let y=0;const v=p[m],x=[];g.forEach(({staffIndexInPart:l,chord:u})=>{const h=[];let d=u.tip?u.tip.x:u.right-u.left/2;u.noteIds.forEach((e,i)=>{const r=s.get(e),m=`n_${t.length>1?c+"_":""}${f}_${y}`;y++,n.set(r.id,m),a.set(r.id,(r.left+r.right)/2-v),o.set(r.id,l+1),h.push({line:2*-u.ys[i],id:m,staff:l+1,x:(r.left+r.right)/2-d})}),i[f]=i[f]||[],i[f].push(d-v);const p=e.spartito.measures[r.headMeasureIndex+m].events.filter(e=>e.noteIds.some(e=>u.noteIds.includes(e)));x.push({elems:h,x:d-v,type:2**u.division,...p.some(e=>e.grace)?{grace:{}}:{}})}),h.measures[f]={w:p[m+1]-p[m],staves:l.length,notes:x}}});let m=null;e.spartito.measures.forEach((s,i)=>{const r=e.spartito.measureIndexMapping[i],n=s.contexts.flat().filter(e=>js.includes(e.tokenType)&&l.includes(e.staff)).map(e=>{const s=t.find(t=>t.includes(e.staff));return{x:e.x,clef:Hs(e),staff:s.indexOf(e.staff)+1,tick:e.tick}});n.length>0&&h.measures[r]&&(h.measures[r].clefs=n);const a=s.basics.filter((e,t)=>1<0&&(r.parts[c]=h)}e.systems.forEach((s,i)=>{const n=[],a=s.staves[0],o=s.staves[s.staves.length-1],c=a.top+a.staffY-2,l=o.top+o.staffY-2,u=s.staves.slice(),h=t.flat().map(e=>!(1<h.find(t=>t?.index===e)||null),a=t.map((e,t)=>[t,!e]).filter(e=>e[1]);let o=null;a.length>0&&(o=Object.fromEntries(a.map(e=>[e[0]+1,{hide:e[1]}])));let l=0,u=0;const f=t.filter(e=>!!e);if(f.length>0){const e=f[0],t=f[f.length-1],s=e.top+e.staffY-2,i=t.top+t.staffY-2;l=s-c,u=i-s+4}const{list:d,last:p}=t.reduce((e,t,s)=>(null===e.last||null===t?0===s&&l>0?e.list.push(l-4):e.list.push(0):e.list.push(t.top+t.staffY-(e.last.top+e.last.staffY)-4),e.last=t||e.last,e),{last:m,list:[]});m=p;const g=t.map(e=>{if(e?.maskImage){const t=e.imagePosition;return{src:e.maskImage,x:t.x,y:s.top+e.top+t.y-(s.top+e.top+e.staffY-2),w:t.width,h:t.height}}return null}),y=e.spartito.measures[s.headMeasureIndex];n.push({distances:d,imgs:g,y:l,staves:r.length,parti:i,height:u,...o?{details:o}:{},clef:Object.fromEntries(e.spartito.measures[s.headMeasureIndex]?.contexts.flat().filter(e=>js.includes(e.tokenType)&&r.includes(e.staff)).map(e=>[e.staff,Hs(e)])),fifths:y.basics.filter((e,t)=>1<e.spartito.measureIndexMapping[s.headMeasureIndex+i]).filter(e=>Number.isFinite(e));r.lines[i]={m1:f[0],m2:f.length>0?f[f.length-1]+1:void 0,x:s.left,y:s.top+c,w:s.measureBars[s.measureBars.length-1],h:l-c+4,lineStaves:n}});const c={0:"default",1:"brace",2:"bracket",3:"square"},l=Ee(e.staffLayoutCode),u=l.partGroups.map(e=>({sort:e.range[0],part:e})).sort((e,t)=>e.sort-t.sort).map(e=>e.part);r.groups=l.groups.filter(e=>0!==e.group.type).map((e,t)=>({type:c[e.group.type],p1:u.findIndex(t=>t.range.includes(e.range[0])),p2:u.findIndex(t=>t.range.includes(e.range[e.range.length-1]))})).filter(e=>"default"!==e.type)}let l;if(t&&(r.measInfo=t.notation.measures.map((e,t)=>{const s=new Map;return e.notes.forEach(e=>{s.set(e.tick,[...s.get(e.tick)||[],a.get(e.id)])}),Array.from(s.entries()).sort((e,t)=>+e[0]-t[0]).reduce((e,t,s)=>{const i=t[1].find(t=>t>e.last)||t[1][0];return e.list.push(i),e.last=i,e},{last:null,list:[]}).list.filter(Number.isFinite)})),t){l={};const s=new Map;let i,r;t.notation.measures.forEach((e,t)=>{const{numerator:s,denominator:n}=e.timeSignature;l.beats||l.beatsUnit||(l.beats=s,l.beatsUnit=n,i=s,r=n),l.beatInfos=l.beatInfos||[],i===s&&r===n||(i=s,r=n,l.beatInfos.push({tick:e.tick,beats:s,beatsUnit:n})),l.tempos=l.tempos||[],e.events.forEach(t=>{"meta"===t.data.type&&"setTempo"===t.data.subtype&&l.tempos.push({tick:e.tick,tempo:t.data.microsecondsPerBeat})})}),l.measures=t.notation.measures.reduce((e,t,i)=>{const r=Array.from(new Set(t.notes.map(e=>e.tick))).sort((e,t)=>e-t);return t.notes.forEach(e=>{s.set(e.id,r.indexOf(e.tick))}),e[t.tick]={measure:i,duration:t.duration,note_ticks:r},e},{}),l.measureInfos=t.notation.measures.map((e,t)=>({number:String(t+1),fifths:e.keySignature,beats:e.timeSignature.numerator,beatUnit:e.timeSignature.denominator}));const a=t.notation.toPerformingMIDI(t.notation.measures.map((e,t)=>t+1)).tracks,{partGroups:c}=e.staffLayout;let u=a.map((t,s)=>{const i=c[s].key;let r;switch(i){case"vi":case"vi1":case"vi2":r=40;break;case"viola":r=42;break;case"vo":r=55;break;case"basso":r=71;break;default:r=0}return{program:r,channel:s,name:e.instrumentDict[i]??"Piano",track:t}});if(c.some(e=>e.group.grand)){const t=/l\.?h\.?|左手|left hand/i,s=/r\.?h\.?|右手|right hand/i,i=Object.entries(e.instrumentDict).filter(([e,i])=>t.test(i)||s.test(i)).map(([e,s])=>({key:e,hand:t.test(s)?"left":"right"}));let r,n=null;if(2===i.length&&i[0].hand!==i[1].hand){const t=i.find(e=>"left"===e.hand),s=i.find(e=>"right"===e.hand);n=[e.staffLayout.staffIds.findIndex(e=>e===s?.key),e.staffLayout.staffIds.findIndex(e=>e===t?.key)],r=c.findIndex(e=>e.range[0]<=Math.min(...n)&&e.range[1]>=Math.max(...n))}if(Number.isFinite(r)&&r>-1){const e=u[r],t=[];e.track.forEach(e=>{Number.isFinite(e.staff)&&(t[e.staff]||(t[e.staff]=[]),t[e.staff].push(e)),"meta"===e.type&&t.forEach(t=>{t.push(e)})}),u.splice(r,1,t.filter(Boolean).map(t=>({...e,track:t}))),u=u.flat(),l.rightHandTrack=n[0],l.leftHandTrack=n[1]}else u.sort((e,t)=>e===u[r]?-1:0)}l.tracks=u.map(({program:e,channel:t,name:s})=>({program:e,channel:t,name:s}));const h=u.map(({track:e})=>{const t=new Map;return e.map(e=>{if("noteOn"===e.subtype&&t.set(e.noteNumber,e),"noteOff"===e.subtype){const s=t.get(e.noteNumber);s?.noteNumber===e.noteNumber&&(s.duration=e.ticks-s.ticks)}return e})}),m=new Map(Object.entries(l.measures).map(([e,t])=>[t.measure,+e]));l.events=h.map((e,t)=>e.filter(e=>"channel"===e.type).map(e=>{e?.ids?.[0]&&(e.numId=n.get(e.ids[0]));let i=[0,0,0];switch(e.subtype){case"noteOn":i=[144|e.channel,e.noteNumber,e.velocity];break;case"noteOff":i=[128|e.channel,e.noteNumber,e.velocity?e.velocity:0];break;case"noteAftertouch":i=[160|e.channel,e.noteNumber,e.amount];break;case"controller":i=[176|e.channel,e.controllerType,e.value];break;case"programChange":i=[192|e.channel,e.programNumber,0];break;case"channelAftertouch":i=[208|e.channel,e.amount,0];break;case"pitchBend":i=[224|e.channel,255&e.value,e.value>>7&255];break;default:throw new Error("unhandled event subtype:"+e.subtype)}return{..."noteOn"===e.subtype?{id:n.get(e?.ids?.[0])}:{},tick:e.ticks,channel:e.channel,duration:e.duration,track:t,event:i,elem_ids:e?.ids.map(e=>n.get(e)),measure:e.measure-1,meas_start_tick:m.get(e.measure-1),staff:o.get(e.ids[0]),note:s.get(e.ids[0])}})).flat(1).sort((e,t)=>{for(const s of["tick","measure","track"])if(e[s]!==t[s])return e[s]-t[s];return 0})}return{scoreJson:r,midiJson:l}},exports.evaluateScoreQuality=async(e,t)=>(e.spartito?.regulated||await Yi(e,t),e.spartito.regulated?e.spartito.qualityScore:null),exports.getScoreJsonImages=e=>[...e.pages.map(e=>e?.src),...e.lines.map(e=>e.lineStaves.map(e=>e.imgs)).flat(2).map(e=>e?.src).filter(Boolean)],exports.predictPages=async(e,t,s={outputWidth:1200,pageStore:Ai,onReplaceImage:Pi})=>{const i=e.logger;s.outputWidth=s.outputWidth||1200,s.pageStore=s.pageStore||Ai,s.onReplaceImage=s.onReplaceImage||Pi,s.processes=Array.isArray(s.processes)&&s.processes.length>0?s.processes:["layout","text","gauge","mask","semantic","brackets"];const r=new OMRProgress(s.onProgress),n=Date.now();t.forEach(e=>{e.layout?.detection?e.layout.detection.areas=e.layout.detection?.areas?.filter(e=>e?.staves?.middleRhos?.length>0):delete e.layout});const a=new Score({title:s?.title,stavesCount:2,paperOptions:{raggedLast:!0,raggedLastBottom:!0},headers:{},instrumentDict:{},settings:{enabledGauge:s.processes.includes("gauge"),semanticConfidenceThreshold:1}});i.info(`[predictor]: download_source_images-${t.length}`);const o=await Promise.all(t.map(e=>c.loadImage(e.url)));i.info(`[predictor]: source_images_downloaded-${t.length}`);const l=o.map((e,s)=>function(e,t){let s=e.height/e.width*t;const i=new c.Canvas(t,s);return i.getContext("2d").drawImage(e,0,0,t,t*e.height/e.width),i}(e,t[s].layout?.sourceSize?.width??e.width));r.setTotal("layout",o.length),r.setTotal("text",o.length);const u=await Promise.all(l.map(async(s,i)=>t[i].layout?!t[i].enableGauge&&t[i]?.layout?.detection?.areas?.length?(await e.predictScoreImages("layout$reinforce",[s.toBufferSync("png")],[t[i].layout]))?.[0]:t[i].layout:(await e.predictScoreImages("layout",[s.toBufferSync("png")]))?.[0]));u.forEach(e=>{e.detection.areas=e.detection?.areas?.filter(e=>e?.staves?.middleRhos?.length>0)});const h=new Map,m=async e=>{const t=await s.onReplaceImage(e);h.set(e,t)};async function f(e,i){const{url:n,key:o,layout:u,enableGauge:h}=t[i],m=yi(JSON.stringify({key:o||n,layout:u,enableGauge:h})),f=await s.pageStore.get(m),d=!s.renew&&(f&&!t[i].renew||!e.detection.areas?.length),p=a.pages[i]=d&&f?ae(f,$s):new Page({source:{name:o||("string"==typeof n&&/https?:\/\//.test(n)?n:null),size:0,url:n,crop:{unit:"%",x:0,y:0,width:100,height:100},dimensions:e.sourceSize,matrix:[Math.cos(e.theta),-Math.sin(e.theta),Math.sin(e.theta),Math.cos(e.theta),0,0],interval:e.interval,needGauge:t[i].enableGauge},layout:e.detection}),g=d?null:await async function({page:e,score:t,pageCanvas:s}){if(!e?.layout?.areas?.length)return null;e.width=t.pageSize.width/t.unitSize,e.height=t.pageSize.height/t.unitSize;const i=new c.Canvas(s.width,s.height),r=i.getContext("2d");r.save();const{width:n,height:a}=i,[o,l,u,h]=e.source.matrix;r.setTransform(o,l,u,h,-.5*n+.5*o*n+.5*l*a,-.5*a+.5*u*n+.5*h*a),r.drawImage(s,0,0),r.restore();const m=e.source.interval;return e.layout.areas.map((t,i)=>{console.assert(t.staves?.middleRhos?.length,"[shootImageByDetection] empty area:",t);const n=r.getImageData(t.x,t.y,t.width,t.height),a=new c.Canvas(t.width,t.height);a.getContext("2d").putImageData(n,0,0);const o=t.staves,l={width:t.width,height:t.height},u=s.width/2/m,h=s.height/2/m,f={x:(t.x+t.staves.phi1)/m-u+e.width/2,y:t.y/m-h+e.height/2};e.systems[i]=vi({page:e,backgroundImage:a.toBufferSync("png"),detection:o,imageSize:l,position:f})}),i}({score:a,page:p,pageCanvas:l[i]});return r.increase("layout"),{page:p,omit:d,hash:m,correctCanvas:g}}!function(e,t,s){const i=t.filter(e=>e&&e.detection&&e.detection.areas?.length).map((e,t)=>{const s=Math.min(...e.detection.areas.filter(e=>e.staves?.middleRhos?.length).map(e=>e.staves.interval)),i=e.sourceSize;return{...e,index:t,vw:i.width/s,hwr:i.height/i.width}});if(!i.length)throw new Error("empty result");const r=i.sort((e,t)=>t.vw-e.vw)[0],n=Math.max(...i.map(e=>e.hwr));e.unitSize=s/r.vw,e.pageSize={width:s,height:s*n}}(a,u,s.outputWidth);const d=u.reduce((e,t)=>e+(t.detection.areas?.length??0),0),p=u.reduce((e,t)=>e+(t.detection.areas?.reduce?.((e,t)=>e+(t.staves?.middleRhos?.length??0),0)??0),0);r.setTotal("gauge",p),r.setTotal("mask",p),r.setTotal("semantic",p),r.setTotal("brackets",d);const g=[],y=[],v=Date.now();let x=0;for(const n of u.keys()){const o=[],{page:l,correctCanvas:d,omit:p,hash:v}=await f(u[n],n);if(o.push(m(l.source.url)),o.push(...l.systems.map(e=>m(e.backgroundImage))),i.info(`[predictor]: check_cache_pageIndex-${n} omit: ${p}`),p)y.push(n);else{const u=l.systems.map((e,t)=>e.staves.map((s,i)=>({pageIndex:n,systemIndex:t,staffIndex:i,page:l,system:e,staff:s}))).flat(1);await Mi([async()=>{if(!s.processes.includes("brackets"))return;const t=l.layout,a=l.source.interval,o=Date.now(),u=l.systems.map((e,s)=>{const{x:i,y:r,staves:{middleRhos:n,phi1:o}}=t.areas[s],l=n[0],u=n[n.length-1],h={x:i+o-4*a,y:r+l-4*a,width:8*a,height:u-l+8*a},m=new c.Canvas(64,h.height/a*8);return m.getContext("2d").drawImage(d,h.x,h.y,h.width,h.height,0,0,m.width,m.height),{system:e,buffer:m.toBufferSync("png")}});i.info(`[predictor]: brackets js [pageIndex-${n}] duration: ${Date.now()-o}`);const h=await e.predictScoreImages("brackets",{buffers:u.map(e=>e.buffer)});r.increase("brackets",u.length),u.forEach(({system:e},t)=>{h[t]&&(e.bracketsAppearance=h[t])})},async()=>{if(s.processes.includes("text"))try{const t=Date.now(),o=d.toBufferSync("png"),c=(await e.predictScoreImages("textLoc",[o]))[0].filter(e=>e.score>0);if(c.length>0){const[t]=await e.predictScoreImages("textOcr",{buffers:[o],location:c});l.assignTexts(t.areas,t.imageSize),l.assemble()}if(i.info(`[predictor]: text js [pageIndex-${n}] duration: ${Date.now()-t}`),r.increase("text"),!s.title){const e=a.pages[0].tokens;if(Array.isArray(e)&&e.length>0){const[t]=e.filter(e=>e.type===B.Text&&"Title"===e.textType).sort((e,t)=>t.fontSize-e.fontSize);t&&(a.title=t.text)}}}catch(e){i.error(`[predictor]: text js [pageIndex-${n}] ${JSON.stringify(e)}`)}},async()=>{var c;await(c=async()=>{if(s.processes.includes("gauge")&&!1!==t[n].enableGauge){const t=await e.predictScoreImages("gauge",await Promise.all(u.map(async({staffIndex:e,system:t})=>{const s=Date.now(),r=await Ei(t,e,{paddingLeft:Si,spec:bi});return i.info(`[predictor]: gauge js shoot [page-${n}, staff-${e}] duration: ${Date.now()-s}`),r.toBufferSync("png")})));for(const[s,{system:n,staff:a,pageIndex:c,staffIndex:l}]of u.entries()){const u=Date.now();i.info(`[predictor]: gauge js [page-${c}, staff-${l}] start..`),await Ii({pyClients:e,system:n,staff:a,staffIndex:l,gaugeImage:t[s].image}),i.info(`[predictor]: gauge js [page-${c}, staff-${l}] duration: ${Date.now()-u}`),r.increase("gauge"),o.push(m(a.backgroundImage))}}else for(const[e,{system:t,staff:s,staffIndex:i}]of u.entries())await Ni({system:t,staff:s,staffIndex:i}),o.push(m(s.backgroundImage))},c()),await Mi([async()=>{if(!s.processes.includes("mask"))return;const t=await e.predictScoreImages("mask",u.map(({staff:e})=>e.backgroundImage));for(const[e,{staff:s,staffIndex:a}]of u.entries()){const c=Date.now();await Ci({staff:s,staffIndex:a,maskImage:t[e].image}),i.info(`[predictor]: mask js [page-${n}, ${e}, staff-${a}] duration: ${Date.now()-c}`),r.increase("mask"),o.push(m(s.maskImage))}},async()=>{if(!s.processes.includes("semantic"))return;const t=ae(await e.predictScoreImages("semantic",u.map(({staff:e})=>e.backgroundImage)),$s);u.forEach(({system:e})=>e.clearTokens());for(const[e,{staffIndex:s,system:o,staff:c}]of u.entries()){const l=Date.now();await _i({score:a,system:o,staff:c,staffIndex:s,graph:t[e]}),i.info(`[predictor]: semantic js [page-${n}, system-${o.index}, staff-${c.index}] duration: ${Date.now()-l}`),r.increase("semantic")}}])}]),++x}g.push(Promise.all(o).then(()=>(Oi(l,e=>h.get(e)),i.info(`[predictor]: pageStore set: [${n}]`),s.pageStore.set(v,JSON.stringify(l)))))}const S=Date.now();await Promise.all(g),i.info(`[predictor]: inferenceStaffLayout: ${a.title}, [${a.systems.length}]`),a.inferenceStaffLayout(),i.info(`[predictor]: done: ${a.title}`),a.assemble();const b=Date.now();return{score:a,omitPages:y,stat:{cost:b-n,pagesCost:S-v,pages:x}}},exports.regulateWithBeadSolver=async(e,{logger:t,pickers:s,solutionStore:i=$i,ignoreCache:r,freshOnly:n,onSaveIssueMeasure:a,onProgress:o,onPassStart:c})=>{e.spartito=void 0,e.assemble();const l=e.makeSpartito();l.measures.forEach(t=>e.assignBackgroundForMeasure(t));const u=Date.now();t?.info(`[regulateWithBeadSolver] begin, measure total: ${l.measures.length}.`,r?"ignoreCache":"",n?"freshOnly":"");const h=l.measures.filter(e=>e.events?.length&&!e.patched).map(e=>({origin:e.deepCopy(),current:e,evaluation:void 0,baseQuality:0}));for(const e of l.measures.filter(e=>e.events?.length)){const t=s.find(t=>t.n_seq>e.events.length+1);t&&await Fs(e,t)}l.rectifyTimeSignatures(t),s.forEach(e=>e.cost=0);const m={cached:0,simple:0,computed:0,tryTimes:0,solved:0,issue:0,fatal:0};if(t?.info("[regulateWithBeadSolver] measures estimation finished."),i&&!r)for(const e of h){const t=await i.get(e.origin.regulationHash0);t&&(e.current.applySolution(t),++m.cached,e.evaluation=Ke(e.current),e.baseQuality=e.evaluation.qualityScore)}t?.info("[regulateWithBeadSolver]",`${m.cached}/${h.length}`,"solutions loaded.");const f=t?null:process.stdout;m.cached&&f?.write(`${m.cached}c`),h.forEach(e=>{const i=s.find(t=>t.n_seq>e.current.events.length+1);i?e.picker=i:t?.info(`[regulateWithBeadSolver] measure[${e.current.measureIndex}] size out of range:`,e.current.events.length)});const d=h.filter(e=>e.picker&&(!e.evaluation||!e.evaluation.fine&&!n));d.forEach(e=>{const s=e.current.deepCopy();s.staffGroups=e.current.staffGroups,s.regulate({policy:"simple"});const i=Ke(s);(!e.evaluation||i.qualityScore>e.evaluation.qualityScore)&&(e.evaluation=i,Object.assign(e.current,s),i.perfect&&(t?.info(`[regulateWithBeadSolver] measure[${e.current.measureIndex}] regulated by simple policy.`),++m.simple))}),m.computed=d.length-m.simple,m.simple&&f?.write(`${m.simple}s`);const p=(e,s,i)=>{t?.info(`[regulateWithBeadSolver] measure[${e.measureIndex}/${l.measures.length}] regulated${i?"+":"-"}: ${s.qualityScore.toFixed(3)}, ${s.fine?"solved":s.error?"error":"issue"}, ${e.regulationHash}`),f?.write(`[${s.fine?"32":s.error?"31":"33"}m${i?"+":"-"}`)},g=l.measures.length,y=()=>d.filter(e=>!e.evaluation?.fine).length,v=o?(e,t,s,i)=>{o(e,t,s,{pass:i.pass,remaining:y(),total:g})}:void 0;c?.(1,"Imperfect",y()),m.tryTimes+=await Hi(d,p,f,{stopLoss:.05,quotaMax:200,quotaFactor:3,ptFactor:1},ji.Imperfect,1,v),c?.(2,"NotFine",y()),m.tryTimes+=await Hi(d,p,f,{stopLoss:.08,quotaMax:1e3,quotaFactor:20,ptFactor:1.6},ji.NotFine,2,v),c?.(3,"ErrorOnly",y()),m.tryTimes+=await Hi(d,p,f,{stopLoss:.08,quotaMax:1e3,quotaFactor:40,ptFactor:3},ji.ErrorOnly,3,v),d.forEach(({evaluation:e,baseQuality:t,current:s,origin:r})=>{e.fine?++m.solved:e.error?++m.fatal:++m.issue,(e.qualityScore>t||!t)&&(i.set(r.regulationHash0,{...s.asSolution(r),priority:-s?.solutionStat?.loss}),s.regulationHash!==r.regulationHash0&&i.set(s.regulationHash,{...s.asSolution(),priority:-s?.solutionStat?.loss})),e.fine||a?.({measureIndex:s.measureIndex,measure:new EditableMeasure(s),status:e.error?2:1})});const x=Date.now(),S=s.reduce((e,t)=>e+t.cost,0),b=l.qualityScore,k=x-u;return t?.info("[regulateWithBeadSolver] done in ",k,"ms, qualityScore:",b),n&&(m.cached=0),{totalCost:x-u,pickerCost:S,measures:m,qualityScore:b}},exports.replaceScoreJsonImages=(e,t=e=>e)=>{const s=JSON.parse(JSON.stringify(e));return s.pages.forEach(e=>{e?.src&&(e.src=t(e?.src))}),s.lines.forEach(e=>{e.lineStaves.forEach(e=>{e.imgs.forEach(e=>{e?.src&&(e.src=t(e.src))})})}),s},exports.saveEditableMeasures=async(e,t,s,{status:i=2,solutionStore:r}={})=>{e.assemble();const n=e.spartito||e.makeSpartito(),a=t.map(e=>n.measures.find(t=>t.measureIndex===e)).filter(Boolean);if(r){const e=await r.batchGet(a.map(e=>e.regulationHash0));a.forEach((t,s)=>{const i=e[s];i&&t.applySolution(i)})}a.forEach(e=>{s({measureIndex:e.measureIndex,measure:new EditableMeasure(e),status:i})})},exports.starry=$s,exports.updateScorePatches=(e,t,s={})=>{if(console.assert(t.every(e=>e.validRegulated),"[updateScorePatches] some measures not valid regulated:",t.filter(e=>!e.validRegulated)),e.patches=t.map(e=>e.createPatch()),s?.solutionStore){e.assemble();const i=e.makeSpartito();t.forEach(e=>{if(s.solutionStore.set(e.regulationHash,{...e.asSolution(),priority:1}),e.regulationHash0!==e.regulationHash){const t=i.measures.find(t=>t.measureIndex===e.measureIndex);s.solutionStore.set(e.regulationHash0,{...e.asSolution(t),priority:1})}})}}; +"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var e=require("js-sha1"),t=require("lodash/pick"),s=require("lodash"),i=require("math-erf"),r=require("msgpackr"),n=require("zeromq"),a=require("portfinder"),o=require("python-shell"),c=require("skia-canvas"),l=require("weak-lru-cache"),u=require("spark-md5"),h=require("sharp"),m=require("got");function f(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var d,p,g,y=f(e),v=f(t),x=f(s),S=f(i),b=f(u),k=f(h),T=f(m);globalThis.btoa=e=>Buffer.from(e,"binary").toString("base64"),globalThis.atob=e=>Buffer.from(e,"base64").toString("binary"),function(e){e.ByLines="ByLines",e.ByBlocks="ByBlocks"}(d||(d={})),function(e){e.Title="Title",e.Author="Author",e.TempoText="TempoText",e.TempoNumeral="TempoNumeral",e.TextualMark="TextualMark",e.Lyric="Lyric",e.Instrument="Instrument",e.MeasureNumber="MeasureNumber",e.Times="Times",e.Alternation1="Alternation1",e.Alternation2="Alternation2",e.Chord="Chord",e.PageMargin="PageMargin",e.Other="Other"}(p||(p={})),function(e){e.ClefG="ClefG",e.ClefF="ClefF",e.ClefC="ClefC",e.NoteheadS0="NoteheadS0",e.NoteheadS1="NoteheadS1",e.NoteheadS2="NoteheadS2",e.NoteheadS1stemU="NoteheadS1stemU",e.NoteheadS1stemD="NoteheadS1stemD",e.NoteheadS2stemU="NoteheadS2stemU",e.NoteheadS2stemD="NoteheadS2stemD",e.vline_Stem="vline_Stem",e.Flag3="Flag3",e.BeamLeft="BeamLeft",e.BeamContinue="BeamContinue",e.BeamRight="BeamRight",e.TremoloLeft="TremoloLeft",e.TremoloRight="TremoloRight",e.TremoloMiddle="TremoloMiddle",e.Dot="Dot",e.Rest0="Rest0",e.Rest1="Rest1",e.Rest2="Rest2",e.Rest3="Rest3",e.Rest4="Rest4",e.Rest5="Rest5",e.Rest6="Rest6",e.Rest0W="Rest0W",e.RestM1="RestM1",e.AccNatural="AccNatural",e.AccSharp="AccSharp",e.AccDoublesharp="AccDoublesharp",e.AccFlat="AccFlat",e.AccFlatflat="AccFlatflat",e.vline_VoltaLeft="vline_VoltaLeft",e.vline_VoltaRight="vline_VoltaRight",e.VoltaLeft="VoltaLeft",e.VoltaRight="VoltaRight",e.VoltaAlternativeBegin="VoltaAlternativeBegin",e.BarMeasure="BarMeasure",e.vline_BarMeasure="vline_BarMeasure",e.vline_BarTerminal="vline_BarTerminal",e.vline_BarSegment="vline_BarSegment",e.SlurBegin="SlurBegin",e.SlurEnd="SlurEnd",e.TimesigC44="TimesigC44",e.TimesigC22="TimesigC22",e.TimesigZero="TimesigZero",e.TimesigOne="TimesigOne",e.TimesigTwo="TimesigTwo",e.TimesigThree="TimesigThree",e.TimesigFour="TimesigFour",e.TimesigFive="TimesigFive",e.TimesigSix="TimesigSix",e.TimesigSeven="TimesigSeven",e.TimesigEight="TimesigEight",e.TimesigNine="TimesigNine",e.OctaveShift8va="OctaveShift8va",e.OctaveShift8vb="OctaveShift8vb",e.OctaveShift8="OctaveShift8",e.OctaveShift0="OctaveShift0",e.Zero="Zero",e.One="One",e.Two="Two",e.Three="Three",e.Four="Four",e.Five="Five",e.Six="Six",e.Seven="Seven",e.Eight="Eight",e.Nine="Nine",e.f="f",e.p="p",e.m="m",e.n="n",e.r="r",e.s="s",e.z="z",e.CrescendoBegin="CrescendoBegin",e.CrescendoEnd="CrescendoEnd",e.DecrescendoBegin="DecrescendoBegin",e.DecrescendoEnd="DecrescendoEnd",e.ScriptFermata="ScriptFermata",e.ScriptShortFermata="ScriptShortFermata",e.ScriptSforzato="ScriptSforzato",e.ScriptStaccato="ScriptStaccato",e.ScriptStaccatissimo="ScriptStaccatissimo",e.ScriptTurn="ScriptTurn",e.ScriptTrill="ScriptTrill",e.ScriptSegno="ScriptSegno",e.ScriptCoda="ScriptCoda",e.ScriptArpeggio="ScriptArpeggio",e.ScriptPrall="ScriptPrall",e.ScriptMordent="ScriptMordent",e.ScriptMarcato="ScriptMarcato",e.ScriptTenuto="ScriptTenuto",e.ScriptPortato="ScriptPortato",e.PedalStar="PedalStar",e.PedalPed="PedalPed",e.KeyAcc="KeyAcc",e.TempoNotehead="TempoNotehead",e.GraceNotehead="GraceNotehead",e.SignLined="SignLined",e.SignInterval="SignInterval",e.rect_Text="rect_Text",e.rect_Lyric="rect_Lyric"}(g||(g={}));const w={NoteheadS0:1.826,NoteheadS1:1.264,NoteheadS2:1.198},M={"clefs.F":{x:1.06},"clefs.G":{x:1.3},"clefs.F_change":{x:.87},"clefs.G_change":{x:1.07},"timesig.C44":{x:.9},"timesig.C22":{x:.9},zero:{x:.7,y:-1},one:{x:.7,y:-1},two:{x:.7,y:-1},three:{x:.7,y:-1},four:{x:.7,y:-1},five:{x:.7,y:-1},six:{x:.7,y:-1},seven:{x:.7,y:-1},eight:{x:.7,y:-1},nine:{x:.7,y:-1},"accidentals.sharp":{x:.55},"accidentals.doublesharp":{x:.5},"accidentals.natural":{x:.3},"accidentals.flat":{x:.3},"accidentals.flatflat":{x:.5},"noteheads.s0":{x:w.NoteheadS0/2},"noteheads.s1":{x:w.NoteheadS1/2},"noteheads.s2":{x:w.NoteheadS2/2},"rests.0":{x:.75,y:1},"rests.1":{x:.75},"rests.0o":{x:.75,y:1},"rests.1o":{x:.75},"rests.M1":{x:.75,y:1},"rests.2":{x:.5},"rests.3":{x:.5},"rests.4":{x:.5},"rests.5":{x:.5},"rests.6":{x:.5},f:{x:.6,y:-.5},m:{x:.9,y:-.5},p:{x:.5,y:-.5},r:{x:.5,y:-.5},s:{x:.5,y:-.5},z:{x:.5,y:-.5},"scripts.trill":{y:-.5},"scripts.segno":{x:0,y:0},"scripts.coda":{x:0,y:0},"scripts.arpeggio":{x:.5,y:-.5},"pedal.*":{x:.78,y:-.78},"pedal.Ped":{x:1.6,y:-.7}},E=[g.BarMeasure,g.vline_BarMeasure,g.vline_BarTerminal,g.vline_BarSegment,g.vline_VoltaLeft,g.vline_VoltaRight,g.VoltaAlternativeBegin],N=g,I=[[N.NoteheadS0,N.NoteheadS1,N.NoteheadS2],[N.Zero,N.One,N.Two,N.Three,N.Four,N.Five,N.Six,N.Seven,N.Eight,N.Nine,N.ScriptStaccatissimo],[N.TimesigZero,N.TimesigOne,N.TimesigTwo,N.TimesigThree,N.TimesigFour,N.TimesigFive,N.TimesigSix,N.TimesigSeven,N.TimesigEight,N.TimesigNine],[N.Rest0,N.Rest1,N.Rest2,N.Rest3,N.Rest4,N.Rest5,N.Rest6,N.Rest0W,N.RestM1],[N.SignInterval,N.SignLined],[N.BeamLeft,N.BeamContinue,N.BeamRight]],C=[N.ClefG,N.ClefF,N.ClefC,N.NoteheadS0,N.NoteheadS1,N.NoteheadS2,N.Dot,N.Rest0,N.Rest1,N.Rest2,N.Rest3,N.Rest4,N.Rest5,N.Rest6,N.RestM1,N.AccNatural,N.AccSharp,N.AccDoublesharp,N.AccFlat,N.AccFlatflat,N.TimesigC44,N.TimesigC22,N.TimesigZero,N.TimesigOne,N.TimesigTwo,N.TimesigThree,N.TimesigFour,N.TimesigFive,N.TimesigSix,N.TimesigSeven,N.TimesigEight,N.TimesigNine,N.One,N.Two,N.Three,N.Four,N.Five,N.OctaveShift8,N.OctaveShift0,N.f,N.p,N.m,N.n,N.r,N.s,N.z,N.ScriptFermata,N.ScriptShortFermata,N.ScriptSforzato,N.ScriptStaccato,N.ScriptStaccatissimo,N.ScriptTurn,N.ScriptTrill,N.ScriptSegno,N.ScriptCoda,N.ScriptArpeggio,N.ScriptPrall,N.ScriptMordent,N.ScriptMarcato,N.ScriptTenuto,N.ScriptPortato,N.PedalStar,N.PedalPed],_=(e,t,s)=>{const i=Math.round(10*s.x),r=Math.round(10*s.y),n=`${e}|${t}|${s.semantic}|${i}|${r}`,a=y.default.array(n).slice(12),o=globalThis.btoa(String.fromCharCode(...a)).substring(0,11);return s.id=o,o},O=(e,t)=>{const s=Math.round(t.x),i=Math.round(t.y),r=`p-${e}|${t.semantic}|${s}|${i}`,n=y.default.array(r).slice(12),a=globalThis.btoa(String.fromCharCode(...n)).substring(0,11);return t.id=a,a};var B;!function(e){e.ClefG="clefs-G",e.ClefF="clefs-F",e.ClefC="clefs-C",e.TimesigC44="timesig-C44",e.TimesigC22="timesig-C22",e.TimesigZero="zero|timesig0",e.TimesigOne="one|timesig1",e.TimesigTwo="two|timesig2",e.TimesigThree="three|timesig3",e.TimesigFour="four|timesig4",e.TimesigFive="five|timesig5",e.TimesigSix="six|timesig6",e.TimesigSeven="seven|timesig7",e.TimesigEight="eight|timesig8",e.TimesigNine="nine|timesig9",e.OctaveShift8va="octave-a",e.OctaveShift8vb="octave-b",e.OctaveShift0="octave-0",e.Zero="zero|n0",e.One="one|n1",e.Two="two|n2",e.Three="three|n3",e.Four="four|n4",e.Five="five|n5",e.Six="six|n6",e.Seven="seven|n7",e.Eight="eight|n8",e.Nine="nine|n9",e.AccNatural="accidentals-natural",e.AccSharp="accidentals-sharp",e.AccDoublesharp="accidentals-doublesharp",e.AccFlat="accidentals-flat",e.AccFlatflat="accidentals-flatflat",e.KeyNatural="accidentals-natural|key-natural",e.KeySharp="accidentals-sharp|key-sharp",e.KeyFlat="accidentals-flat|key-flat",e.NoteheadS0="noteheads-s0",e.NoteheadS1="noteheads-s1",e.NoteheadS2="noteheads-s2",e.NoteheadS1stemU="noteheads-s1|noteheads-s1-u",e.NoteheadS1stemD="noteheads-s1|noteheads-s1-d",e.NoteheadS2stemU="noteheads-s2|noteheads-s2-u",e.NoteheadS2stemD="noteheads-s2|noteheads-s2-d",e.Rest0="rests-0o",e.Rest1="rests-1o",e.Rest2="rests-2",e.Rest3="rests-3",e.Rest4="rests-4",e.Rest5="rests-5",e.Rest6="rests-6",e.Rest0W="rests-0",e.RestM1="rests-M1",e.Flag3="flags-u3",e.Flag4="flags-u4",e.Flag5="flags-u5",e.Flag6="flags-u6",e.Flag7="flags-u7",e.Flag8="flags-u8",e.BeamLeft="|beam-left",e.BeamRight="|beam-right",e.BeamContinue="|beam-continue",e.TremoloLeft="|tremolo-left",e.TremoloRight="|tremolo-right",e.TremoloMiddle="|tremolo-middle",e.SlurBegin="|slur-begin",e.SlurEnd="|slur-end",e.TieBegin="|tie-begin",e.TieEnd="|tie-end",e.VoltaLeft="|volta-left",e.VoltaRight="|volta-right",e.VoltaAlternativeBegin="|volta-alter-begin",e.BarTerminal="|bar-terminal",e.BarSegment="|bar-segment",e.Dot="|dot",e.DotDot="|dotdot",e.f="f",e.p="p",e.m="m",e.r="r",e.s="s",e.z="z",e.WedgeCrescendo="|wedge-crescendo",e.WedgeDiminuendo="|wedge-diminuendo",e.WedgeClose="|wedge-close",e.CrescendoBegin="|wedge-crescendo",e.DecrescendoBegin="|wedge-diminuendo",e.CrescendoEnd="|wedge-close",e.DecrescendoEnd="|wedge-close",e.ScriptFermata="scripts-ufermata",e.ScriptShortFermata="scripts-ushortfermata",e.ScriptSforzato="scripts-sforzato",e.ScriptStaccato="scripts-staccato",e.ScriptStaccatissimo="scripts-ustaccatissimo",e.ScriptTurn="scripts-turn",e.ScriptTrill="scripts-trill",e.ScriptSegno="scripts-segno",e.ScriptCoda="scripts-coda",e.ScriptArpeggio="scripts-arpeggio",e.ScriptPrall="scripts-prall",e.ScriptMordent="scripts-mordent",e.ScriptMarcato="scripts-umarcato",e.ScriptTenuto="scripts-tenuto",e.ScriptPortato="scripts-uportato",e.PedalStar="pedal-star",e.PedalPed="pedal-Ped",e.Text="|text",e.GraceNotehead="|grace-notehead"}(B||(B={}));const 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v;S&&(s=s.slice(0,-1*S*2),i=i.slice(0,-1*S),r=r.slice(0,-1*S)),s.push(this.productions_[y[1]][0]),i.push(w.$),r.push(w._$),b=n[s[s.length-2]][s[s.length-1]],s.push(b);break;case 3:return!0}}return!0}};const f=(e,t)=>({__prototype:"MesaureLayout",type:e,data:t}),d=e=>({__prototype:"SingleMLayout",measure:Number(e)}),p=e=>({__prototype:"BlockMLayout",seq:e}),g=(e,t,s)=>({__prototype:"VoltaMLayout",times:Number(e),body:t,alternates:s}),y=(e,t)=>({__prototype:"ABAMLayout",main:e,rest:t}),v=e=>({segment:!0,length:Number(e)}),x=e=>e.map(e=>"BlockMLayout"===e.__prototype?e.seq:[e]),S=(e,t)=>{if(e=Number(e),!((t=Number(t))>=e))throw new Error(`invalid measure range: ${e}..${t}`);return Array(t+1-e).fill(0).map((t,s)=>d(e+s))},b=(e,t={index:1})=>{const s=e=>[].concat(...e.map(e=>((e,t)=>{if(e.segment){const s=t.index;return 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this.yytext+=e,this.yyleng++,this.offset++,this.match+=e,this.matched+=e,e.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),e},unput:function(e){var t=e.length,s=e.split(/(?:\r\n?|\n)/g);this._input=e+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-t),this.offset-=t;var i=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),s.length-1&&(this.yylineno-=s.length-1);var r=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:s?(s.length===i.length?this.yylloc.first_column:0)+i[i.length-s.length].length-s[0].length:this.yylloc.first_column-t},this.options.ranges&&(this.yylloc.range=[r[0],r[0]+this.yyleng-t]),this.yyleng=this.yytext.length,this},more:function(){return 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t={type:i,level:Number.isFinite(e.level)?e.level+1:0};s=Se(t,s),e.subs=e.subs||[],e.subs.push(t)}}else e.subs=e.subs||[],e.subs.push(ge(t))}for(;e.type===de.Default&&e.subs&&1===e.subs.length;){const t=e.subs[0];e.type=t.type,e.subs=t.subs,e.staff=t.staff,e.level=t.level}for(;e.subs&&1===e.subs.length&&e.subs[0].type===de.Default;){const t=e.subs[0];e.subs=t.subs,e.staff=t.staff}return e.grand=e.type===de.Brace&&e.subs&&e.subs.every(e=>e.staff),s},be=e=>e.staff?e.staff:e.subs?be(e.subs[0]):void 0,ke=e=>e.staff?e.staff:e.subs?ke(e.subs[e.subs.length-1]):void 0,Te=(e,t)=>{t[(e=>e.staff?e.staff:e.subs?`${be(e)}-${ke(e)}`:void 0)(e)]=e,e.subs&&e.subs.forEach(e=>Te(e,t))};class StaffLayout{constructor(e){const t=new Set;e.forEach((e,s)=>{e.id=((e,t,s)=>{let i=s;for(i?e.has(i)&&(i+="_"+t.toString()):i=t.toString();e.has(i);)i+="_"+xe();return i})(t,s+1,e.id),t.add(e.id)}),this.staffIds=e.map(e=>e.id),this.conjunctions=e.slice(0,e.length-1).map(e=>e.conjunction?ve[e.conjunction]:pe.Blank);const s=[].concat(...e.map(e=>[...e.leftBounds,e.id,...e.rightBounds]));this.group={type:de.Default},Se(this.group,s);const i={};Te(this.group,i),this.groups=Object.entries(i).map(([e,t])=>{let s=e.split("-");1===s.length&&(s=[s[0],s[0]]);return{group:t,range:s.map(e=>this.staffIds.indexOf(e)),key:e}}),this.maskCache=new Map}get stavesCount(){return this.staffIds?this.staffIds.length:null}get partGroups(){const e=this.groups.filter(e=>e.group.grand);return this.groups.filter(t=>{if(t.group.grand)return!0;if(t.range[0]===t.range[1]){const s=t.range[0];return!e.some(e=>e.range[0]<=s&&e.range[1]>=s)}return!1})}get standaloneGroups(){const e=[],t=s=>{s.grand?e.push(s.subs.map(e=>e.staff)):s.staff?e.push([s.staff]):s.subs&&s.subs.forEach(e=>t(e))};return t(this.group),e}conjunctionBetween(e,t){if(t<=e)return null;let s=pe.Solid;for(let i=e;it&1<({ids:e.staffIds.slice(t.range[0],t.range[1]+1).filter(e=>s.includes(e)),...t})).filter(({ids:e})=>e.length).map(({ids:e,...t})=>({key:t.key,group:t.group,range:[s.indexOf(e[0]),s.indexOf(e[e.length-1])]})),r=s.slice(0,s.length-1).map((t,i)=>{const r=s[i+1];return e.conjunctionBetween(e.staffIds.indexOf(t),e.staffIds.indexOf(r))});return{staffIds:s,conjunctions:r,groups:i}}mask(e){return this.maskCache.get(e)||this.maskCache.set(e,StaffLayout.makeMaskLayout(this,e)),this.maskCache.get(e)}partialMaskCode(e,t=!1){const s=this.staffIds.map((t,s)=>s(e[this.staffIds[s]]=t,e),{}),i=e=>{if(e.staff)return[s[e.staff]?e.staff:null,null===s[e.staff]];const t=e.subs.map(e=>i(e)),r=t.map(e=>e[0]).filter(Boolean).join(","),n=t.some(([e,t])=>t),a=r?((e,t=!1)=>{if(e===de.Default)return e=>e;if(t)switch(e){case de.Brace:return e=>`{${e}`;case de.Bracket:return e=>`<${e}`;case de.Square:return e=>`[${e}`;default:return e=>e}switch(e){case de.Brace:return e=>`{${e}}`;case de.Bracket:return 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Seq;break;case 13:case 15:this.$=[n[o]];break;case 14:case 16:this.$=[...n[o-1],n[o]];break;case 20:this.$=new Seq,this.$.tip.i(n[o]);break;case 21:case 23:n[o-1].next(),n[o-1].tip.i(n[o]),this.$=n[o-1];break;case 22:case 24:n[o-1].tip.i(n[o]),this.$=n[o-1];break;case 25:this.$=new Seq,this.$.tip.bl(n[o]);break;case 26:case 27:n[o-1].next(),n[o-1].tip.bl(n[o]),this.$=n[o-1];break;case 28:n[o-1].tip.bl(n[o]),this.$=n[o-1];break;case 29:case 30:case 31:n[o-1].tip.br(n[o]),this.$=n[o-1];break;case 32:this.$=new Seq,this.$.tip.con(n[o]),this.$.next();break;case 33:case 34:case 35:case 36:n[o-1].tip.con(n[o]),n[o-1].next(),this.$=n[o-1]}},table:[{3:1,4:2,5:[2,3],6:3,7:4,8:5,9:6,10:14,11:t,12:s,13:i,18:10,20:9,21:r,22:n,23:a,24:[1,7],25:8},{1:[3]},{5:[1,18]},{5:[2,2]},{5:[2,4],10:14,11:t,12:s,13:i,14:23,15:o,16:c,17:l,18:22,19:20,20:21,21:r,22:n,23:a,24:[1,19]},{5:[2,5],10:14,11:t,12:s,13:i,18:29,20:28,21:r,22:n,23:a,24:[1,27]},{5:[2,6],10:14,11:t,12:s,13:i,14:23,15:o,16:c,17:l,18:33,19:31,20:32,21:r,22:n,23:a,24:[1,30]},e(u,[2,20]),{14:23,15:o,16:c,17:l,19:35,20:36,21:r,22:n,23:a,24:[1,34]},e(u,[2,32]),e(h,[2,25],{10:37,11:t,12:s,13:i}),e(u,[2,17]),e(u,[2,18]),e(u,[2,19]),e(m,[2,13]),e(m,[2,7]),e(m,[2,8]),e(m,[2,9]),{1:[2,1]},e(u,[2,21]),e(f,[2,29],{14:38,15:o,16:c,17:l}),e(u,[2,33]),e(h,[2,26],{10:37,11:t,12:s,13:i}),e(u,[2,15]),e(u,[2,10]),e(u,[2,11]),e(u,[2,12]),e(u,[2,23]),e(u,[2,35]),e(h,[2,27],{10:37,11:t,12:s,13:i}),e(u,[2,24]),e(f,[2,31],{14:38,15:o,16:c,17:l}),e(u,[2,36]),e(h,[2,28],{10:37,11:t,12:s,13:i}),e(u,[2,22]),e(f,[2,30],{14:38,15:o,16:c,17:l}),e(u,[2,34]),e(m,[2,14]),e(u,[2,16])],defaultActions:{3:[2,2],18:[2,1]},parseError:function(e,t){if(!t.recoverable){var s=new Error(e);throw s.hash=t,s}this.trace(e)},parse:function(e){var t=this,s=[0],i=[null],r=[],n=this.table,a="",o=0,c=0,l=r.slice.call(arguments,1),u=Object.create(this.lexer),h={yy:{}};for(var m in this.yy)Object.prototype.hasOwnProperty.call(this.yy,m)&&(h.yy[m]=this.yy[m]);u.setInput(e,h.yy),h.yy.lexer=u,h.yy.parser=this,void 0===u.yylloc&&(u.yylloc={});var f=u.yylloc;r.push(f);var d=u.options&&u.options.ranges;"function"==typeof h.yy.parseError?this.parseError=h.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var p,g,y,v,x,S,b,k,T=function(){var e;return"number"!=typeof(e=u.lex()||1)&&(e=t.symbols_[e]||e),e},w={};;){if(g=s[s.length-1],this.defaultActions[g]?y=this.defaultActions[g]:(null==p&&(p=T()),y=n[g]&&n[g][p]),void 0===y||!y.length||!y[0]){var M="";for(x in k=[],n[g])this.terminals_[x]&&x>2&&k.push("'"+this.terminals_[x]+"'");M=u.showPosition?"Parse error on line "+(o+1)+":\n"+u.showPosition()+"\nExpecting "+k.join(", ")+", got '"+(this.terminals_[p]||p)+"'":"Parse error on line "+(o+1)+": Unexpected "+(1==p?"end of input":"'"+(this.terminals_[p]||p)+"'"),this.parseError(M,{text:u.match,token:this.terminals_[p]||p,line:u.yylineno,loc:f,expected:k})}if(y[0]instanceof Array&&y.length>1)throw new Error("Parse Error: multiple actions possible at state: "+g+", token: "+p);switch(y[0]){case 1:s.push(p),i.push(u.yytext),r.push(u.yylloc),s.push(y[1]),p=null,c=u.yyleng,a=u.yytext,o=u.yylineno,f=u.yylloc;break;case 2:if(S=this.productions_[y[1]][1],w.$=i[i.length-S],w._$={first_line:r[r.length-(S||1)].first_line,last_line:r[r.length-1].last_line,first_column:r[r.length-(S||1)].first_column,last_column:r[r.length-1].last_column},d&&(w._$.range=[r[r.length-(S||1)].range[0],r[r.length-1].range[1]]),void 0!==(v=this.performAction.apply(w,[a,c,o,h.yy,y[1],i,r].concat(l))))return v;S&&(s=s.slice(0,-1*S*2),i=i.slice(0,-1*S),r=r.slice(0,-1*S)),s.push(this.productions_[y[1]][0]),i.push(w.$),r.push(w._$),b=n[s[s.length-2]][s[s.length-1]],s.push(b);break;case 3:return!0}}return!0}};class Item{constructor(){this.id=null,this.leftBounds=[],this.rightBounds=[],this.conjunction=null}i(e){return this.id=e,this}bl(e){return this.leftBounds=e,this}br(e){return this.rightBounds=e,this}con(e){return this.conjunction=e,this}}class Seq{constructor(){this.body=[],this.tip=new Item}next(){return this.body.push(this.tip),this.tip=new Item,this}toJSON(){return this.body}}var p={EOF:1,parseError:function(e,t){if(!this.yy.parser)throw new Error(e);this.yy.parser.parseError(e,t)},setInput:function(e,t){return this.yy=t||this.yy||{},this._input=e,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var e=this._input[0];return this.yytext+=e,this.yyleng++,this.offset++,this.match+=e,this.matched+=e,e.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),e},unput:function(e){var t=e.length,s=e.split(/(?:\r\n?|\n)/g);this._input=e+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-t),this.offset-=t;var i=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),s.length-1&&(this.yylineno-=s.length-1);var r=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:s?(s.length===i.length?this.yylloc.first_column:0)+i[i.length-s.length].length-s[0].length:this.yylloc.first_column-t},this.options.ranges&&(this.yylloc.range=[r[0],r[0]+this.yyleng-t]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(e){this.unput(this.match.slice(e))},pastInput:function(){var e=this.matched.substr(0,this.matched.length-this.match.length);return(e.length>20?"...":"")+e.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var e=this.match;return e.length<20&&(e+=this._input.substr(0,20-e.length)),(e.substr(0,20)+(e.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var e=this.pastInput(),t=new Array(e.length+1).join("-");return e+this.upcomingInput()+"\n"+t+"^"},test_match:function(e,t){var s,i,r;if(this.options.backtrack_lexer&&(r={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(r.yylloc.range=this.yylloc.range.slice(0))),(i=e[0].match(/(?:\r\n?|\n).*/g))&&(this.yylineno+=i.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:i?i[i.length-1].length-i[i.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+e[0].length},this.yytext+=e[0],this.match+=e[0],this.matches=e,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(e[0].length),this.matched+=e[0],s=this.performAction.call(this,this.yy,this,t,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),s)return s;if(this._backtrack){for(var n in r)this[n]=r[n];return!1}return!1},next:function(){if(this.done)return this.EOF;var e,t,s,i;this._input||(this.done=!0),this._more||(this.yytext="",this.match="");for(var r=this._currentRules(),n=0;nt[0].length)){if(t=s,i=n,this.options.backtrack_lexer){if(!1!==(e=this.test_match(s,r[n])))return e;if(this._backtrack){t=!1;continue}return!1}if(!this.options.flex)break}return t?!1!==(e=this.test_match(t,r[i]))&&e:""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var e=this.next();return e||this.lex()},begin:function(e){this.conditionStack.push(e)},popState:function(){return this.conditionStack.length-1>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(e){return(e=this.conditionStack.length-1-Math.abs(e||0))>=0?this.conditionStack[e]:"INITIAL"},pushState:function(e){this.begin(e)},stateStackSize:function(){return this.conditionStack.length},options:{},performAction:function(e,t,s,i){switch(s){case 0:break;case 1:return t.yytext;case 2:return 24;case 3:return 5}},rules:[/^(?:\s+)/,/^(?:([-,.\[\]<>{}]))/,/^(?:([a-zA-Z_0-9]+))/,/^(?:$)/],conditions:{INITIAL:{rules:[0,1,2,3],inclusive:!0}}};function g(){this.yy={}}return d.lexer=p,g.prototype=d,d.Parser=g,new g}();we.Parser;we.Parser;var Me=function(){return we.parse.apply(we,arguments)};const Ee=e=>{const t=Me(e);return new StaffLayout(t)};class DummyLogger{debug(...e){}group(...e){}groupCollapsed(...e){}groupEnd(){}info(...e){}warn(...e){}assert(...e){}}const Ne=(e,t,s=-1/0)=>Math.max(Math.round(e/t)*t,s),Ie=(e,t)=>{const s=e.x-t.x,i=e.y-t.y;return Math.sqrt(s*s+i*i)},Ce=(e,t)=>Number.isInteger(e)&&Number.isInteger(t)?0===t?e:Ce(t,e%t):(console.error("non-integer gcd:",e,t),1),_e=(e,t)=>({numerator:e,denominator:t}),Oe=(e,t)=>{e=Math.round(e),t=Math.round(t);const s=0!==e?Ce(e,t):t;return _e(e/s,t/s)},Be=e=>`${e.numerator}/${e.denominator}`,Ae=(e,t)=>t?e*t.numerator/t.denominator:e,Pe=(e,t)=>{const s=[...e].sort((e,s)=>e[t]-s[t]);let i=null,r=null;return s.reduce((e,n,a)=>(r?n[t]-r[t]<.4?i.push(n):(i.length>1&&e.push(i),r=n,i=[n]):(r=n,i=[n]),i.length>1&&a===s.length-1&&e.push(i),e),[])},Re=e=>{if(e.length<=1)return[];let t=e.slice(1);const s=I.find(t=>t.includes(e[0].semantic));if(!s)return Re(t);const i=t.filter(e=>s.includes(e.semantic));return t=t.filter(e=>!s.includes(e.semantic)),[...i,...Re(t)]},De=e=>{const t=new Set(e),s=Pe(e,"x"),i=[].concat(...s.map(e=>Pe(e,"y")));return i.forEach(e=>e.sort((e,t)=>t.confidence-e.confidence)),i.forEach(e=>{Re(e).forEach(e=>t.delete(e))}),Array.from(t)},Fe=[0,2,4,5,7,9,11],Le=({note:e,alter:t})=>{const s=Math.floor(e/7),i=(e=>{let t=e%7;for(;t<0;)t+=7;return t})(e);return 60+12*s+Fe[i]+t},$e=e=>{const t=Math.max(...e);return e.indexOf(t)},je=1920;var He,Ve,ze,qe,Ge,We;!function(e){e.Up="^",e.Down="_",e.Middle="-"}(He||(He={})),function(e){e.Grace="grace",e.AfterGrace="afterGrace",e.Acciaccatura="acciaccatura",e.Appoggiatura="appoggiatura",e.SlashedGrace="slashedGrace"}(Ve||(Ve={})),function(e){e.Open="Open",e.Close="Close",e.Continue="Continue"}(ze||(ze={})),function(e){e.Pitcher="Pitcher",e.Catcher="Catcher",e.Pierced="Pierced"}(qe||(qe={})),function(e){e.Normal="normal",e.DashedLine="dashed-line",e.DottedLine="dotted-line",e.Zigzag="zigzag",e.Trill="trill"}(Ge||(Ge={})),function(e){e.Normal="Normal",e.Bracket="Bracket",e.Parenthesis="Parenthesis",e.ParenthesisDashed="ParenthesisDashed",e.ArrowDown="ArrowDown"}(We||(We={}));class Term extends SimpleClass{}class EventTerm extends Term{static space({tick:e,duration:t}){const s=new EventTerm({rest:"s",tick:e,accessories:[]});return s.duration=Math.round(t),s}constructor(e){super(),super.assign(e),Object.assign(this,e),Number.isFinite(e.left)&&Number.isFinite(e.right)&&(this.x=(this.left+this.right)/2),Number.isFinite(this.pivotX)||(this.pivotX=this.x)}get alignedTick(){return this.grace?this.tick+this.duration:this.tick}get mainDuration(){return je*2**-this.division*(2-2**-this.dots)}get duration(){let e=this.mainDuration;return this.multiplier&&(e*=this.multiplier.numerator/this.multiplier.denominator),this.timeWarp&&(e*=this.timeWarp.numerator/this.timeWarp.denominator),this.grace?e/8:e}set duration(e){console.assert(Number.isFinite(e),"invalid duration value:",e);const t=Ce(e,128),s=Math.log2(128/t),i=Oe(e*2**s,je);this.division=s,this.dots=0,i.numerator!==i.denominator?this.multiplier=i:this.multiplier=void 0}get prior(){return this.tick}get times(){return this.timeWarp?`${this.timeWarp.numerator}/${this.timeWarp.denominator}`:null}get fullMeasureRest(){return"R"===this.rest}get tipX(){return this.tip?this.tip.x:this.x}get tipY(){return this.tip?this.tip.y:this.ys?this.ys[0]:0}get tremoloCatcher(){return this.tremoloLink===qe.Catcher}get scaleChord(){return this.pitches.map(e=>"CDEFGAB"[(e.note+700)%7]).join("")}get zeroHolder(){return!!this.grace||this.tremoloCatcher}}var Ue;EventTerm.className="EventTerm",function(e){e[e.Clef=0]="Clef",e[e.KeyAcc=1]="KeyAcc",e[e.Acc=2]="Acc",e[e.OctaveShift=3]="OctaveShift",e[e.TimeSignatureC=4]="TimeSignatureC",e[e.TimeSignatureN=5]="TimeSignatureN"}(Ue||(Ue={}));class ContextedTerm extends Term{constructor(e){super(),Object.assign(this,e)}get type(){return R.includes(this.tokenType)?Ue.Clef:/\|key-/.test(this.tokenType)?Ue.KeyAcc:/accidentals-/.test(this.tokenType)?Ue.Acc:$.includes(this.tokenType)?Ue.OctaveShift:F.includes(this.tokenType)?Ue.TimeSignatureC:L.includes(this.tokenType)?Ue.TimeSignatureN:null}get staffLevel(){return[Ue.OctaveShift,Ue.Clef,Ue.KeyAcc].includes(this.type)}get prior(){return this.tick-.1}get clef(){switch(this.tokenType){case B.ClefG:return-this.y-2;case B.ClefF:return 2-this.y;case B.ClefC:return-this.y}return null}get alter(){switch(this.tokenType){case B.AccNatural:case B.KeyNatural:return 0;case B.AccSharp:case B.KeySharp:return 1;case B.AccFlat:case B.KeyFlat:return-1;case B.AccDoublesharp:return 2;case B.AccFlatflat:return-2}return null}get octaveShift(){switch(this.tokenType){case B.OctaveShift8va:return-1;case B.OctaveShift0:return 0;case B.OctaveShift8vb:return 1}return null}get number(){switch(this.tokenType){case B.TimesigZero:return 0;case B.TimesigOne:return 1;case B.TimesigTwo:return 2;case B.TimesigThree:return 3;case B.TimesigFour:return 4;case B.TimesigFive:return 5;case B.TimesigSix:return 6;case B.TimesigSeven:return 7;case B.TimesigEight:return 8;case B.TimesigNine:return 9}return null}}ContextedTerm.className="ContextedTerm";class MarkTerm extends Term{get prior(){return this.tick+.01}}MarkTerm.className="MarkTerm";const Ye=Array(7).fill(0).map((e,t)=>String.fromCodePoint(119133+t));class TempoTerm extends MarkTerm{static fromNumeralText(e){if(/.+=.*\d+/.test(e)){const[t,s]=e.split("=");let i=Ye.findIndex(e=>t.includes(e));i=i>=0?i:2;let r=(2**i).toString();return t.includes(".")&&(r+="."),new TempoTerm({tick:0,duration:r,beats:s})}return null}constructor(e){super(),Object.assign(this,e)}get prior(){return this.tick-.01}get durationMagnitude(){const[e,t,s]=this.duration.match(/^(\d+)(\.)?$/);return je/Number(t)*(s?1.5:1)}get bpm(){const[e]=this.beats.match(/\d+/)||[90];return Number(e)*this.durationMagnitude*4/je}isValid(e=[10,400]){const t=this.bpm;return Number.isFinite(this.bpm)&&t>=e[0]&&t{if(!e.regulated)return;const t=e.eventMap,s=e.events.length,i=e.voices.flat(1).length,r=e.events.filter(e=>e.timeWarp).length,n=new Set(e.events.filter(e=>e.timeWarp&&!(e.rest&&0===e.division)).map(e=>`${e.timeWarp.numerator}/${e.timeWarp.denominator}`)),a=new Set(n);a.delete("2/3");const o=e.voices.some(e=>{const s=e.map(e=>t[e]);if(!s.some(e=>e.timeWarp))return!1;let i=0,r=0,n=0;return s.some((e,t)=>{const a=e.timeWarp?e.timeWarp.denominator:0;if(a!==i){if(i>0&&(r%i||n<2))return!0;r=0,n=0}return i=a,r+=e.duration,++n,!!(t===s.length-1&&i>0&&(r%i||n<2))})}),c=e.voices.some(e=>{const s=e.map(e=>t[e]);let i=0;return s.some(e=>!e.grace&&(e.ticke.timeWarp&&e.timeWarp.denominator>3).map(e=>e.duration)).size>1,u=Ae(je,e.timeSignature),h=e.doubtfulTimesig?e.duration:u,m=e.voices.flat(1).map(e=>t[e]),f=m.some(e=>!e||!Number.isFinite(e.tick)||!Number.isFinite(e.division)||e.division<0||!Number.isFinite(e.duration)||e.duration<=0),d=m.reduce((e,t)=>e||t.tick<0||t.tick+t.duration>h,!1),p=e.duration>u,g=m.some(e=>e.grace),y=e.events.filter(e=>e.grace).length,v=y>=m.length,x=m.some(e=>{let t=e.tick*2**(e.division+2);if(e.timeWarp&&(t*=e.timeWarp.denominator),!Number.isFinite(t))return!0;return Ce(Math.round(t),je)e.reduce(({status:e,broken:s},i)=>{const r=t[i];return r.beam&&(e+=Xe[r.beam],s=s||!(e>=0&&e<=1)),{status:e,broken:s}},{status:0,broken:!1})).some(({status:e,broken:t})=>e||t);let b=0,k=0;e.voices.forEach(s=>{const i=s.reduce((e,s)=>e+t[s].duration,0);b+=Math.max(0,e.duration-i),k+=Math.max(0,i-e.duration)}),b/=je;const T=e.events.filter(e=>!(e.grace||e.fullMeasureRest||e.tremoloCatcher||e.predisposition&&!(e.predisposition.fakeP<.1)||Number.isFinite(e.tick))).length,w=e.events.filter(e=>!(e.fullMeasureRest||e.grace||e.tremoloCatcher||m.includes(e))).length,{voiceRugged:M}=e.voices.flat(1).reduce((e,t)=>!e.voiceRugged&&e.es.has(t)?{voiceRugged:!0,es:e.es}:(e.es.add(t),e),{voiceRugged:!1,es:new Set}),E=e.tickTwist||0,N=f||E>=1||c||M||e.tickRatesInStaves.some(e=>e<0)||T>2||!e.timeSignature||d||e.duration>h||e.events.some(e=>e.timeWarp&&e.timeWarp.numerator/e.timeWarp.denominator<=.5),I=!N&&!p&&E<.2&&!o&&!a.size&&!x&&!b&&!k&&!!e.voices.length&&!S&&!g&&!v&&(e.duration===h||Number.isFinite(e.estimatedDuration)&&e.estimatedDuration<=.75*h),C=!(N||p||!(E<.3)||o||x||k||S||g);let _=Math.min(h,3840);Number.isFinite(e.estimatedDuration)&&(_=Math.max(0,Math.min(_,e.estimatedDuration)));const O=e.duration/_;let B=0;if(e.patched&&!f)B=1;else if(!N){const t=Math.tanh(1*Math.abs(b/Math.max(1,e.voices.length)));let s=Math.min(h,3840);Number.isFinite(e.estimatedDuration)&&(s=Math.max(0,Math.min(s,e.estimatedDuration)));B=(1-t)*(1-(s?Math.max(0,1-O)**2:0))*(1-Math.tanh(a.size))*(1-E**2)}return{events:s,validEvents:i,voiceRugged:M,nullEvents:T,fakeEvents:w,warpedEvents:r,complicatedTimewarp:l,spaceTime:b,surplusTime:k,durationRate:O,beamBroken:S,fractionalWarp:o,irregularWarpsN:a.size,irregularTick:x,tickTwist:E,tickOverlapped:c,graceInVoice:g,graceN:y,graceDominant:v,perfect:I,fine:C,error:N,qualityScore:B}};class SemanticGraph extends SimpleClass{constructor(e){super(),super.assign(e)}static fromPoints(e=[]){const t=new SemanticGraph;return t.points=e,t}getLayer(e){return this.points.filter(t=>t.semantic===e)}getConfidentLayer(e,t){return this.points.filter(s=>s.semantic===e&&(!Number.isFinite(s.confidence)||s.confidence>=t))}getSystemPoints(){return this.points.filter(e=>E.includes(e.semantic))}getStaffPoints(){return this.points.filter(e=>!E.includes(e.semantic))}offset(e,t){this.points.forEach(s=>{s.x+=e,s.y+=t})}scale(e){this.points.forEach(t=>{t.x*=e,t.y*=e})}transform(e){this.points.forEach(t=>{let s=t.x*e[0][0]+t.y*e[1][0]+e[2][0];const i=t.x*e[0][1]+t.y*e[1][1]+e[2][1];if(t.extension){if(Number.isFinite(t.extension.y1)){const i=t.x*e[0][1]+t.extension.y1*e[1][1]+e[2][1],r=t.x*e[0][1]+t.extension.y2*e[1][1]+e[2][1];s=t.x*e[0][0]+.5*(t.extension.y1+t.extension.y2)*e[1][0]+e[2][0],t.extension.y1=i,t.extension.y2=r}if(Number.isFinite(t.extension.width)){const s=Math.sqrt(e[0][0]*e[1][1]-e[0][1]*e[1][0]);t.extension.width*=s,t.extension.height*=s}}t.x=s,t.y=i})}}SemanticGraph.className="SemanticGraph";const Ze=[g.ClefG,g.ClefF,g.ClefC,g.TimesigC44,g.TimesigC22,g.TimesigZero,g.TimesigOne,g.TimesigTwo,g.TimesigThree,g.TimesigFour,g.TimesigFive,g.TimesigSix,g.TimesigSeven,g.TimesigEight,g.TimesigNine,g.OctaveShift8va,g.OctaveShift8vb,g.OctaveShift0,g.Zero,g.One,g.Two,g.Three,g.Four,g.Five,g.Six,g.Seven,g.Eight,g.Nine,g.AccNatural,g.AccSharp,g.AccDoublesharp,g.AccFlat,g.AccFlatflat,g.NoteheadS0,g.NoteheadS1,g.NoteheadS2,g.NoteheadS1stemU,g.NoteheadS1stemD,g.NoteheadS2stemU,g.NoteheadS2stemD,g.Rest0,g.Rest1,g.Rest2,g.Rest3,g.Rest4,g.Rest5,g.Rest6,g.Rest0W,g.RestM1,g.SlurBegin,g.SlurEnd,g.Dot,g.f,g.p,g.m,g.n,g.r,g.s,g.z,g.ScriptFermata,g.ScriptShortFermata,g.ScriptSforzato,g.ScriptStaccato,g.ScriptStaccatissimo,g.ScriptTurn,g.ScriptTrill,g.ScriptSegno,g.ScriptCoda,g.ScriptArpeggio,g.ScriptPrall,g.ScriptMordent,g.ScriptMarcato,g.ScriptTenuto,g.ScriptPortato,g.PedalStar,g.PedalPed,g.GraceNotehead,g.BeamLeft,g.BeamRight,g.BeamContinue,g.CrescendoBegin,g.CrescendoEnd,g.DecrescendoBegin,g.DecrescendoEnd,g.TremoloLeft,g.TremoloRight,g.TremoloMiddle],Je=[g.AccNatural,g.AccSharp,g.AccDoublesharp,g.AccFlat,g.AccFlatflat,g.NoteheadS0,g.NoteheadS1,g.NoteheadS2,g.NoteheadS1stemU,g.NoteheadS1stemD,g.NoteheadS2stemU,g.NoteheadS2stemD],Qe=[g.SignLined,g.SignInterval],et=[g.NoteheadS1,g.NoteheadS2],tt={AccSharp:B.KeySharp,AccNatural:B.KeyNatural,AccFlat:B.KeyFlat},st={[g.NoteheadS1]:{up:g.NoteheadS1stemU,down:g.NoteheadS1stemD},[g.NoteheadS2]:{up:g.NoteheadS2stemU,down:g.NoteheadS2stemD}},it=[g.Rest0,g.Rest1,g.Rest2,g.Rest3,g.Rest4,g.Rest5,g.Rest6],rt={[B.BeamLeft]:"Open",[B.BeamRight]:"Close",[B.BeamContinue]:"Continue"},nt={Alter1:p.Alternation1,Alter2:p.Alternation2},at=(e,t)=>{switch(e.length){case 0:return;case 1:return e[0];case 2:return"u"===t?Math.min(...e):Math.max(...e);default:{const s=e.reduce((e,t)=>e+t,0)/e.length;return e.sort((e,t)=>Math.abs(e-s)-Math.abs(t-s)),at(e.slice(0,e.length-1),t)}}};class Measure extends SimpleClass{constructor(e){super(),super.assign(e),this.tokens=this.tokens||[],this.antiTokens=this.antiTokens||[],this.barTypes=this.barTypes||{}}get right(){return this.left+this.width}get noteheads(){return this.tokens.filter(e=>e.isNotehead).sort((e,t)=>e.x-t.x)}get chordRects(){const e=this.noteheads.filter(e=>[B.NoteheadS0,B.NoteheadS1stemU,B.NoteheadS2stemU,B.NoteheadS1stemD,B.NoteheadS2stemD].includes(e.type));let t=0;const s=e.reduce((e,s)=>{const i=s.tip?`${s.tip.x}|${s.tip.y}`:`nul${t}`;let r=`${s.type}|${i}`;return!s.tip&&e[r]&&(e[r].some(e=>Math.abs(e.x-s.x){const t=Math.min(...e.map(e=>e.x)),s=Math.max(...e.map(e=>e.x)),i=Math.min(...e.map(e=>e.y)),r=Math.max(...e.map(e=>e.y)),n=e[0],a=n&&n.tip?n.tip.x:t;let o=t,c=s-t,l=null;switch(n.type){case B.NoteheadS0:o-=w.NoteheadS0/2,c+=w.NoteheadS0;break;case B.NoteheadS1stemU:case B.NoteheadS2stemU:l="u",o-=w.NoteheadS1,c+=w.NoteheadS1;break;case B.NoteheadS1stemD:case B.NoteheadS2stemD:l="d",c+=w.NoteheadS1}return{x:o,width:c,stemX:a,stemDirection:l,top:i,bottom:r,tip:n.tip}})}get timeWarped(){return this.tokens&&this.tokens.some(e=>e.timeWarped)}get additionalLines(){const e=this.getChords();return[...e.filter(e=>e.ys.some(e=>e<=-3)).map(e=>({left:e.left,right:e.right,n:Math.ceil(Math.min(...e.ys))+2})),...e.filter(e=>e.ys.some(e=>e>=3)).map(e=>({left:e.left,right:e.right,n:Math.floor(Math.max(...e.ys))-2}))].map(e=>({left:e.left-.28,right:e.right+.28,n:e.n}))}getChords(){const e=this.tokens.filter(e=>W.includes(e.type)),t=this.tokens.filter(e=>Z.includes(e.type)),s=this.tokens.filter(e=>Q.includes(e.type)),i=this.chordRects.map(e=>{const t=this.noteheads.filter(t=>t.direction===e.stemDirection&&t.left>=e.x&&t.right<=e.x+e.width+.2&&t.y>=e.top&&t.y<=e.bottom);t.sort((e,t)=>t.y-e.y);const s=t.map(e=>e.y),i=t.map(e=>e.id),r=t.reduce((e,t)=>Math.max(e,t.division),0);return{rect:e,left:e.x,right:e.x+e.width,pivotX:(n=t,at(n.map(e=>Number.isFinite(e.pivotX)?e.pivotX:e.x),n[0].direction)),ys:s,tip:e.tip,noteIds:i,division:r,dots:null,rest:!1,stemDirection:e.stemDirection,beam:null};var n}).sort((e,t)=>t.left-e.left),r=new Set,n=i.map(({rect:i,...n})=>{if(n.division>=1){const t=[i.bottom,i.top];switch(i.stemDirection){case"u":t[0]=i.tip?i.tip.y-.2:i.top-6-.5;break;case"d":t[1]=i.tip?i.tip.y+.2:i.bottom+6+.5}const a=e.filter(e=>!r.has(e.id)&&e.x>i.stemX-.2&&e.xt[0]&&e.yMath.max(e,t.division),n.division),a.forEach(e=>r.add(e.id));const o=i.tip&&s.find(e=>Math.abs(i.tip.x-e.x)<.3&&Math.abs(i.tip.y-e.y)<.7);o&&(n.beam=rt[o.type])}const a=t.filter(e=>!r.has(e.id)&&e.x>i.x+i.width-.2&&e.xi.top-1&&e.y<=i.bottom+.5);return n.dots=a.reduce((e,t)=>Math.max(e,t.dots),0),a.forEach(e=>r.add(e.id)),n});return n.reverse(),n}getRests(){const e=this.tokens.filter(e=>G.includes(e.type)),t=this.tokens.filter(e=>Z.includes(e.type));return e.map(e=>{const s=t.filter(t=>t.x>e.x+.5&&t.xe.y-1&&t.yMath.max(e,t.dots),0);return{left:e.x-.75,right:e.x+.75,pivotX:e.x,rest:!0,ys:[e.y],noteIds:[e.id],dots:s,division:e.division,stemDirection:null}})}getEvents(){return[...this.getChords(),...this.getRests()].sort((e,t)=>e.left-t.left)}getContexts(e={}){return this.tokens.filter(e=>e.isContexted).sort((e,t)=>e.x-t.x).map(t=>new ContextedTerm({x:t.x,y:t.y,tokenType:t.type,...e}))}assignAccessoriesOnEvents(e){e.forEach(e=>e.accessories=e.accessories||[]);this.tokens.filter(e=>te.includes(e.type)).forEach(t=>{const s=e.filter(e=>t.x>e.left-1&&t.x0){let e=s[0];s.length>1&&(e=s.map(e=>({event:e,d:Math.min(...e.ys.map(e=>Math.abs(e-t.y)))})).sort(({d:e},{d:t})=>e-t).map(({event:e})=>e)[0]);let i=t.y>Math.max(...e.ys)?He.Down:He.Up;se.includes(t.type)&&(i=null),e.accessories.push({type:t.type,id:t.id,direction:i,x:t.x-e.left})}});const t=[...e];t.sort((e,t)=>e.left-t.left);this.tokens.filter(e=>e.type===B.ScriptArpeggio).forEach(e=>{const s=t.find(t=>e.xtt>e.y));s&&s.accessories.push({type:B.ScriptArpeggio,id:e.id,x:e.x-s.left})});this.tokens.filter(e=>e.type===B.GraceNotehead).forEach(t=>{const s=e.find(e=>t.x>e.left&&t.xMath.abs(t.y-e)<.4));s&&(s.grace=Ve.Grace)});const s=this.tokens.filter(e=>e.type===B.TremoloLeft),i=this.tokens.filter(e=>e.type===B.TremoloRight),r=this.tokens.filter(e=>e.type===B.TremoloMiddle),n=e.filter(e=>!e.rest).map(e=>{const t=[...e.ys];e.tip?t.push(e.tip.y):(t.push(e.ys[0]+2),t.push(e.ys[e.ys.length-1]-2));const s=e.tip?e.tip.x:e.left,i=e.tip?e.tip.x:e.right;return{event:e,top:Math.min(...t),bottom:Math.max(...t),stemL:s,stemR:i}});r.forEach(e=>{const t=n.find(t=>!!t.event.tip&&(e.y>t.top&&e.y{const t=n.find(t=>e.y>t.top&&e.yt.stemR&&e.x{const t=n.find(t=>e.y>t.top&&e.yt.stemL-1.6);t&&(t.event.tremolo=t.event.tremolo||2,++t.event.tremolo,t.event.tremoloLink=qe.Catcher)})}assignFeaturesOnEvents(e,t){const s=t.filter(e=>e.x>this.left&&e.xit.includes(e.semantic)),r=s.filter(e=>e.semantic===g.Flag3),n=s.filter(e=>e.semantic===g.Dot),a=s.filter(e=>e.semantic===g.BeamLeft),o=s.filter(e=>e.semantic===g.BeamContinue),c=s.filter(e=>e.semantic===g.BeamRight),l=s.filter(e=>e.semantic===g.GraceNotehead),u=s.filter(e=>e.semantic===g.TremoloRight),h=s.filter(e=>e.semantic===g.vline_Stem),m=s.filter(e=>e.semantic===g.NoteheadS0),f=s.filter(e=>e.semantic===g.NoteheadS1),d=s.filter(e=>e.semantic===g.NoteheadS2);e.forEach(e=>{const t=e.tip?e.tip.x:(e.left+e.right)/2,s=e.tip?Math.min(e.tip.y,e.ys[e.ys.length-1]):e.ys[e.ys.length-1],p=e.tip?Math.max(e.tip.y,e.ys[0]):e.ys[0],g=e.tip?e.tip.x:e.left,y=[0,0,0,0,0,0,0];if(e.rest){i.filter(s=>Ie(s,{x:t,y:e.ys[0]})<.5).forEach(e=>{const t=it.indexOf(e.semantic);y[t]=Math.max(y[t],e.confidence)})}else{const i=[m,f,d].map(t=>t.filter(t=>t.x>e.left&&t.xs-.25&&t.yMath.max(0,...e.map(e=>e.confidence))),n=r.filter(e=>e.y>s-.2&&e.yt.confidence-e.confidence),y[0]=i[0],y[1]=i[1],y[2]=i[2],Array(y.length-3).fill(0).forEach((e,t)=>y[3+t]=n[t]?n[t].confidence:0)}const v=n.filter(s=>s.x>t&&s.xv.some(t=>e.x>t.x&&Math.abs(e.y-t.y)<.2)),S=[Math.max(0,...v.map(e=>e.confidence)),Math.max(0,...x.map(e=>e.confidence))],b=[a,o,c].map(e=>e.filter(e=>Math.abs(e.x-t)<.2&&e.y>s-.2&&e.yMath.max(0,...e.map(e=>e.confidence))),k=h.filter(s=>Ie({x:t,y:e.ys[0]},{x:s.x,y:s.extension.y2})<.5),T=h.filter(s=>Ie({x:t,y:e.ys[e.ys.length-1]},{x:s.x,y:s.extension.y1})<.5),w=[Math.max(0,...k.map(e=>e.confidence)),Math.max(0,...T.map(e=>e.confidence))],M=l.filter(s=>Math.abs(s.x-t)<.6&&e.ys.some(e=>Math.abs(s.y-e)<.4)),E=Math.max(0,...M.map(e=>e.confidence)),N=0===e.division?u.filter(t=>t.x>e.left-2&&t.xe.y>s-.04&&e.yg-2&&e.xe.confidence));e.feature={divisions:y,dots:S,beams:b,stemDirections:w,grace:E,tremoloCatcher:I}})}}Measure.className="Measure",Measure.blackKeys=["tokens","antiTokens"];class Staff extends SimpleClass{constructor({measureCount:e=null,measureBars:t=null,...s}={}){if(super(),super.assign(s),this.height=this.height||10,this.staffY=this.staffY||5,t){let e=0;this.measures=t.map(t=>{const s=new Measure({left:e,width:t-e,height:this.height});return e=t,s})}else this.measures=e?Array(e).fill(null).map(()=>new Measure):[]}get noteRange(){const e=[].concat(...this.measures.map(e=>e.noteheads)).map(e=>e.y);return{top:Math.min(-2,...e),bottom:Math.max(2,...e)}}get additionalLines(){return[].concat(...this.measures.map(e=>e.additionalLines))}rearrangeMeasures(e){if(!e.length)return void console.warn("rearrangeMeasures error, measureBars are empty.");const t=this.measures?.map(e=>e.tokens).flat(1)||[];let s=0;this.measures=e.map(e=>{const t=new Measure({left:s,width:e-s,height:this.height});return s=e,t}),this.reassignTokens(t)}reassignTokens(e=null){e||(e=[].concat(...this.measures.map(e=>e.tokens))),this.measures.forEach(e=>e.tokens=[]),e.forEach(e=>{for(const t of this.measures)if(e.xe.semantic===g.TempoNotehead).forEach(e=>{const t=i.findIndex(t=>/^Notehead/.test(t.semantic)&&Ie(e,t)<.3);t>=0&&i.splice(t,1)});const r=e=>t.displacementSemantics?.[e]?this.semantics.find(t=>t.id===e):null;i.filter(e=>Ze.includes(e.semantic)).forEach(e=>this.appendPoint(e,{points:i}));const n=i.filter(e=>e.semantic===g.vline_Stem).filter(e=>e.extension.y2-e.extension.y1>1.5).map(e=>({x:e.x,y1:e.extension.y1,y2:e.extension.y2,direction:null})),a=i.filter(e=>et.includes(e.semantic)&&e.y>this.semanticTop&&e.y{if((s?1:0)^(e.x{const t=a.filter(t=>Math.abs(t.x-e.x)-w[t.semantic]/2<.28&&Math.abs(t.x-e.x)-w[t.semantic]/2>-.44&&t.y>e.y1-.5&&t.ye.x&&t.y>e.y2)&&!(t.xe.y-t.y);const s=Math.min(...t.map(t=>t.y-e.y1)),n=Math.min(...t.map(t=>e.y2-t.y));if(Math.min(s,n)>.5)return;const a=s!o.has(e.id)).forEach(e=>{const a=n.filter(t=>Math.abs(t.x-e.x)<2&&e.y>t.y1&&e.yMath.abs(t.x-e.x)-Math.abs(s.x-e.x)),o=a[0];if(o){const t="d"===o.direction,s=t?st[e.semantic].down:st[e.semantic].up;this.appendPoint({id:e.id,semantic:s,x:o.x+c(e,o,t),y:e.y,pivotX:e.x,confidence:e.confidence},{tip:{x:o.x,y:t?o.y2:o.y1},antiPoint:r(e.id),points:i})}else s.debug("isolated notehead:",t.index,this.index,e)});const l=i.filter(e=>e.semantic===g.Flag3);l.sort((e,t)=>e.x-t.x),this.appendFlags(l,n);const u=i.filter(e=>e.semantic===g.Dot).map(e=>{const t=Ne(e.y,.5);return{x:e.x,y:t}}).reduce((e,t)=>(e[t.y]=e[t.y]||[],e[t.y].push(t),e),{});Object.entries(u).forEach(([e,t])=>{const s=Number(e);if(t.length>1){t.sort((e,t)=>e.x-t.x);for(let e=0;ee.x>n.x&&e.x-n.x<1.2)&&this.appendPoint({id:n.id,x:n.x,y:s,confidence:n.confidence},{type:B.DotDot,antiPoint:r(n.id),points:i})}}});const h=i.filter(e=>e.semantic===g.KeyAcc);i.filter(e=>tt[e.semantic]).forEach(e=>{h.some(t=>Math.abs(e.x-t.x)<.5&&Math.abs(e.y-t.y)<1)&&this.appendPoint({id:e.id,x:e.x,y:e.y,confidence:e.confidence},{type:tt[e.semantic],points:i})});i.filter(e=>e.semantic===g.OctaveShift8).forEach(e=>{const t=e.y<0?B.OctaveShift8va:B.OctaveShift8vb;this.appendPoint({id:e.id,x:e.x,y:e.y,confidence:e.confidence},{type:t,points:i})});const m=this.semantics.filter(e=>[g.VoltaLeft,g.VoltaRight].includes(e.semantic));m.sort((e,t)=>e.x-t.x);const f=m.reduce((e,t)=>{const s=e[t.semantic],i=Array.from(Object.keys(s)).map(Number).find(e=>t.x{if(s.length>1){const i=s.reduce((e,t)=>e+t.confidence,0);s[0].y*s[1].y<0&&i>=2*e&&this.appendPoint(s[0],{type:B[t]})}})}appendPoint(e,{type:t,points:s=null,antiPoint:i,...r}={}){const n=e.x,a=this.measures.find(e=>nQe.includes(t.semantic)&&Math.abs(t.y-e.y)<.2&&Math.abs(t.x-e.x)<1.2);t.some(e=>e.semantic===g.SignLined)?o=!0:t.some(e=>e.semantic===g.SignInterval)&&(c=!0)}t=t||B[e.semantic];const l=ne[t];let u=re[t];(o||c)&&(u=Math.max(u,1));let h=e.y;Number.isFinite(l)?h=l:u&&(h=c?Ne(h+.5,u)-.5:Ne(h,u));const m=a.tokens.find(e=>e.type===t&&Math.abs(e.x-n)<.1&&Math.abs(e.y-h)<.1);m?Number.isFinite(m.confidence)&&m.confidence3||(a.tokens.push(new Token({id:e.id,type:t,x:n,y:h,pivotX:e.pivotX,confidence:e.confidence,...r})),i&&a.antiTokens.push(new Token({id:i.id,type:t,x:n,y:i.y,confidence:i.confidence})))}appendFlags(e,t){t.map(t=>({...t,flags:e.filter(e=>Math.abs(e.x-t.x)<.3&&e.y>t.y1-.5&&e.ye.flags.length).forEach(e=>{const t=e.flags.reduce((e,t)=>e&&e.confidence>t.confidence?e:t,null),s="d"===e.direction,i=s?Math.min(e.y2,e.y1+6):Math.max(e.y1,e.y2-6),r=e.flags.map(e=>({tip:(i-e.y)*(s?1:-1),confidence:e.confidence})).filter(e=>e.tip<2||e.confidence>.7*t.confidence).length,n=W[r-1];n&&this.appendPoint({id:e.flags[0].id,x:e.x,y:i,confidence:Math.min(...e.flags.map(e=>e.confidence))},{type:n})})}clearTokens(){this.measures.forEach(e=>e.tokens=[]),this.semantics=[]}clearPredictedTokens(){this.measures.forEach(e=>e.tokens=e.tokens.filter(e=>!e.isPredicted))}}Staff.className="Staff",Staff.blackKeys=["index","semanticTop","semanticBttom"];class System extends SimpleClass{constructor({stavesCount:e,...t}){if(super(),super.assign(t),!this.measureBars){const e=5,t=(this.width-e)/this.measureCount;this.measureBars=Array(this.measureCount).fill(0).map((s,i)=>e+t*(i+1))}!t.staves&&e&&(this.staves=Array(e).fill(null).map(()=>new Staff({measureBars:this.measureBars}))),this.arrangePosition(),this.measureCount=this.measureCount||this.measureBars.length,this.sidBlackList=this.sidBlackList||[],this.sidWhiteList=this.sidWhiteList||[]}get noteRange(){if(!this.staves.length)return null;const e=this.staves[0],t=this.staves[this.staves.length-1];return{top:e.top+e.staffY+e.noteRange.top,bottom:t.top+t.staffY+t.noteRange.bottom}}get staffPositions(){return this.staves.map(e=>({y:e.top+e.staffY,radius:2}))}get staffMask(){return this.staffMaskChanged?this.staffMaskChanged:this.prev&&this.staves.length===this.prev.staves.length?this.prev.staffMask:2**this.staves.length-1}get staffTop(){const e=this.staffPositions;return e.length?e[0].y-e[0].radius:0}get staffBottom(){const e=this.staffPositions;return e.length?e[e.length-1].y+e[e.length-1].radius:0}arrangePosition(){let e=0;for(const t of this.staves){if(Number.isFinite(t.top))break;t.top=e,e+=t.height}}tidyMeasureBars(){this.measureBars=this.measureBars.filter(e=>e>1),this.measureBars.sort((e,t)=>e-t);const e=this.width-this.measureBars[this.measureBars.length-1];e>12?this.measureBars.push(this.width):e<2&&(this.measureBars[this.measureBars.length-1]=this.width),this.measureBars=this.measureBars.filter((e,t)=>t<1||e-this.measureBars[t-1]>4)}rearrangeMeasures(){this.measureCount=this.measureBars.length,this.staves.forEach(e=>e.rearrangeMeasures(this.measureBars))}get height(){return this.staves.reduce((e,t)=>e+t.height,0)}get connectionLine(){const e=this.staves[0],t=this.staves[this.staves.length-1];return e&&{top:e.top+e.staffY-2,bottom:t.top+t.staffY+2}}get middleY(){if(!this.staves.length)return 0;return this.staves.reduce((e,t)=>e+t.top+t.staffY,0)/this.staves.length}get timeSignatureOnHead(){return this.staves.some(e=>e.measures[0]?.tokens.some(e=>D.includes(e.type)))}getStaffArray(e){let t=0;return Array(e).fill(null).map((e,s)=>{const i=this.staffMask&1<0?this.measureBars[e-1]:0,s=this.measureBars[e];return[...(this.tokens??[]).filter(e=>e.x>=t&&e.xTempoTerm.fromNumeralText(e.text)).filter(Boolean)]}getEvents(e){if(console.assert(Number.isInteger(this.headMeasureIndex),"invalid headMeasureIndex:",this.headMeasureIndex),!this.measureBars?.length&&this.staves.every(e=>!e.measures?.length))return{staffMask:this.staffMask,columns:[]};const t=this.getStaffArray(e).map(e=>e?e.measures.map(t=>{const s=t.getEvents();return t.assignAccessoriesOnEvents(s),t.assignFeaturesOnEvents(s,e.semantics),{events:s.map(t=>new EventTerm({staff:e.index,system:this.index,...t,rest:t.rest?"r":null})),contexts:t.getContexts({staff:e.index}),voltaBegin:t.tokens.some(e=>e.type===B.VoltaLeft),voltaEnd:t.tokens.some(e=>e.type===B.VoltaRight),alternative:t.alternative,barTypes:t.barTypes}}):Array(this.measureCount).fill(null).map(()=>({events:[],contexts:[],voltaBegin:!1,voltaEnd:!1,alternative:!1,barTypes:{}})));for(let e=0;et[e]?.contexts?.filter(e=>[Ue.TimeSignatureC,Ue.TimeSignatureN].includes(e.type))).find(e=>e?.length);s&&t.forEach(t=>{!t[e]||t[e].contexts.length||t[e].events.length||t[e].contexts.push(...s)})}const s=Array(this.measureCount).fill(null).map((e,s)=>({measureIndex:this.headMeasureIndex+s,rows:t.map(e=>e[s]),marks:this.getMarksInMeasure(s),duration:0,voltaBegin:t.some(e=>e[s]?.voltaBegin),voltaEnd:t.some(e=>e[s]?.voltaEnd),alternative:t.some(e=>e[s]?.alternative),barTypes:t.reduce((e,t)=>({...e,...t[s]?.barTypes}),{})}));s.forEach(e=>{[].concat(...e.rows.filter(Boolean).map(e=>e.events)).forEach((e,t)=>e.id=t+1)});const i=s[s.length-1];return i&&(i.break=!0),{staffMask:this.staffMask,columns:s}}getEventsFunctional(e,t,s=[],{useXMap:i=!1}={}){const r=this.getStaffArray(e).map((e,s)=>e?e.measures.map((e,i)=>{const r=t(s,i);return r&&{events:r.map(e=>new EventTerm({system:this.index,...e,rest:e.rest?"r":null})),contexts:e.getContexts({staff:s}),voltaBegin:e.tokens.some(e=>e.type===B.VoltaLeft),voltaEnd:e.tokens.some(e=>e.type===B.VoltaRight),alternative:e.alternative,barTypes:e.barTypes}}):Array(this.measureCount).fill(null).map(()=>({events:[],contexts:[],voltaBegin:!1,voltaEnd:!1,alternative:!1,barTypes:{}}))),n=Array(this.measureCount).fill(null).map((e,t)=>{const s=r.map(e=>e[t]);if(s.some(e=>!e))return null;let n=null;if(i){const e=[].concat(...s.map(e=>e.events)).reduce((e,t)=>(Number.isFinite(t.tickGroup)&&(e[t.tickGroup]=e[t.tickGroup]||[]),e[t.tickGroup].push(t),e),{});n=Object.values(e).reduce((e,t)=>{const s=Math.min(...t.map(e=>(e.left+e.right)/2));return e.set(s,t),e},new Map)}return{measureIndex:this.headMeasureIndex+t,rows:s,marks:this.getMarksInMeasure(t),duration:0,xMap:n,voltaBegin:s.some(e=>e.voltaBegin),voltaEnd:s.some(e=>e.voltaEnd),alternative:s.some(e=>e.alternative),barTypes:s.reduce((e,t)=>({...e,...t.barTypes}),{})}});return s.forEach(e=>n.forEach(e)),{staffMask:this.staffMask,columns:n}}getContexts(e){const t=this.getStaffArray(e).map(e=>e?e.measures.map(e=>({events:null,contexts:e.getContexts(),voltaBegin:e.tokens.some(e=>e.type===B.VoltaLeft),voltaEnd:e.tokens.some(e=>e.type===B.VoltaRight),alternative:t.some(e=>e.alternative),barTypes:e.barTypes})):Array(this.measureCount).fill(null).map(()=>({events:null,contexts:[],voltaBegin:!1,voltaEnd:!1,alternative:!1,barTypes:{}})));for(let e=0;et[e]?.contexts.filter(e=>[Ue.TimeSignatureC,Ue.TimeSignatureN].includes(e.type))).find(e=>e?.length);s&&t.forEach(t=>{t[e].contexts.length||t[e].contexts.push(...s)})}const s=Array(this.measureCount).fill(null).map((e,s)=>({measureIndex:this.headMeasureIndex+s,rows:t.map(e=>e[s]),marks:[],duration:0,voltaBegin:t.some(e=>e[s].voltaBegin),voltaEnd:t.some(e=>e[s].voltaEnd),alternative:t.some(e=>e.alternative),barTypes:t.reduce((e,t)=>({...e,...t[s].barTypes}),{})}));return{staffMask:this.staffMask,columns:s}}assignSemantics(e,t){const s=this.staves[e];console.assert(s,"staff is null:",e,this.staves);const i=s.top+s.staffY;t.getSystemPoints().forEach(e=>{const t={...e};t.y+=i,t.extension&&(t.extension={...t.extension},Number.isFinite(t.extension.y1)&&(t.extension.y1+=i,t.extension.y2+=i)),this.semantics.push(t)})}assemble(e,t=new DummyLogger){if(this.measureBars=[],!this.semantics)return;const s=SemanticGraph.fromPoints(this.semantics).getConfidentLayer(g.vline_BarMeasure,e);s.sort((e,t)=>e.x-t.x);const i=this.staffTop,r=this.staffBottom;let n=0;const a=s.reduce((e,t)=>{const s=Number.isFinite(t.confidence)?Math.tanh(t.confidence):1,a=t.x-n>.4?t.x:n;n=t.x;let o=e[a]||0;return o+=(Math.min(t.extension.y2,r)-Math.max(t.extension.y1,i))*s,t.x!==a&&delete e[a],e[t.x]=o,e},{}),o=Object.entries(a).filter(([e,t])=>t>3*this.staves.length).map(([e])=>Number(e));o.sort((e,t)=>e-t),o.forEach((e,t)=>{(t<=0||e-o[t-1]>2)&&this.measureBars.push(e)}),this.measureBars.length||this.measureBars.push(this.width),this.tidyMeasureBars(),this.rearrangeMeasures();this.semantics.filter(e=>[g.vline_BarTerminal,g.vline_BarSegment].includes(e.semantic)).forEach(e=>{const t=this.staves[0].measures.find(t=>e.x>t.right-2&&e.x{for(;!(l&1<_(this.index,i,e)),s.clearPredictedTokens(),s.assemble(e,this,t))})}qualifiedSemantics(e,t=1){return e.filter(e=>this.sidWhiteList.includes(e.id)||!this.sidBlackList.includes(e.id)&&(e.confidence>=t||!Number.isFinite(e.confidence))).map(e=>this.displacementSemantics&&this.displacementSemantics[e.id]?{...e,...this.displacementSemantics[e.id]}:e)}clearTokens(){this.staves.forEach(e=>e.clearTokens()),this.semantics=[]}newPoint(e,t,s=1){const i=this.staves[e];console.assert(i,"staff index out of bound:",e,this.staves.length);const{semantic:r,x:n,y:a,confidence:o=0,extension:c=null}=t,l={semantic:r,x:n,y:a,confidence:o,extension:c};return l.extension||delete l.extension,_(this.index,e,l),i.semantics.push(l),i.clearPredictedTokens(),i.assemble(s,this),l}appendToken(e){switch(this.tokens.push(e),e.textType){case p.TempoNumeral:{const t=this.staves[0];if(t){const s=t.top+t.staffY;t.measures.forEach(t=>{t.tokens=t.tokens.filter(t=>!V.includes(t.type)||Math.abs(t.x-e.x)>e.width/2||Math.abs(s+t.y-e.y)>e.fontSize/2)})}}break;case p.Alternation1:case p.Alternation2:this.staves[0].measures.forEach(t=>{const s=Math.min(t.left+t.width,e.x+e.width/2)-Math.max(t.left,e.x-e.width/2);t.alternative=t.alternative||s/t.width>.5})}}}System.className="System",System.blackKeys=["index","pageIndex","prev","next","headMeasureIndex","tokens","indent"];class Page extends SimpleClass{constructor(e){super(),super.assign(e),this.systems=this.systems||[],this.source&&(this.source.matrix=this.source.matrix||[1,0,0,1,0,0])}get sidBlackList(){const e=[].concat(...this.systems.map(e=>e.sidBlackList));return new Set(e)}get sidWhiteList(){const e=[].concat(...this.systems.map(e=>e.sidWhiteList));return new Set(e)}clearTokens(){this.semantics=null,this.tokens=null,this.systems.forEach(e=>e.tokens=null)}assignTexts(e,[t,s]){const i=this.source&&this.source.interval?this.source.interval*(t/this.source.dimensions.height):t/this.height;this.semantics=e.map(e=>{const r={x:(e.cx-s/2)/i,y:(e.cy-t/2)/i},n=this.source&&this.source.matrix?(a=r,{x:(o=this.source.matrix)[0]*a.x+o[2]*a.y+o[4],y:o[1]*a.x+o[3]*a.y+o[5]}):r;var a,o;return{confidence:e.score,x:n.x+this.width/2,y:n.y+this.height/2,semantic:g.rect_Text,extension:{text:e.text,type:e.type,width:e.width/i,height:e.height/i,theta:e.theta,textFeature:e.feature_dict}}})}assemble({textAnnotations:e=null}={},t=new DummyLogger){if(this.tokens=[],this.systems.forEach(e=>e.tokens=[]),this.systems.length){const e=this.systems.map(e=>e.left),t=e[Math.floor((e.length-1)/2)];this.systems.forEach(e=>e.indent=e.left>t+2)}if(this.semantics){const t=this.source?this.source.name:this.index.toString();this.semantics.forEach(s=>{O(t,s);const i={id:s.id,type:B.Text,confidence:s.confidence,textType:nt[s.extension.type]||s.extension.type,text:e&&e[s.id]||s.extension.text,textFeasure:s.extension.textFeature,width:s.extension.width,fontSize:s.extension.height};if(s.semantic===g.rect_Text)switch(i.textType){case p.Title:case p.Author:case p.PageMargin:case p.Other:this.tokens.push(new TextToken({x:s.x,y:s.y,...i}));break;case p.TempoNumeral:case p.Chord:case p.MeasureNumber:case p.Instrument:case p.Alternation1:case p.Alternation2:{const e=this.systems.find(e=>e.top+e.staffTop>s.y);e&&e.appendToken(new TextToken({x:s.x-e.left,y:s.y-e.top,...i}))}break;case p.TextualMark:case p.Times:{const e=[...this.systems].reverse().find(e=>e.topt>=e.top&&tr>=e.left&&r[e,ot[`TimeD${e}`]])),lt=Object.fromEntries(Array(12).fill(null).map((e,t)=>t+1).map(e=>[e,ot[`TimeN${e}`]])),ut=ot,ht={[ut.BOS]:"BOS",[ut.NoteheadS0]:"noteheads-s0",[ut.NoteheadS1]:"noteheads-s1",[ut.NoteheadS2]:"noteheads-s2",[ut.NoteheadGrace]:"GraceNotehead",[ut.Flag3]:"flags-u3",[ut.BeamLeft]:"BeamLeft",[ut.BeamContinue]:"BeamContinue",[ut.BeamRight]:"BeamRight",[ut.Dot]:"dot",[ut.Rest0]:"rests-0o",[ut.Rest1]:"rests-1o",[ut.Rest2]:"rests-2",[ut.Rest3]:"rests-3",[ut.Rest4]:"rests-4",[ut.Rest5]:"rests-5",[ut.Rest6]:"rests-6"},mt={[ut.NoteheadS0]:0,[ut.NoteheadS1]:1,[ut.NoteheadS2]:2,[ut.NoteheadGrace]:2},ft=[ut.NoteheadS0,ut.NoteheadS1,ut.NoteheadS2,ut.NoteheadGrace],dt=[ut.Rest0,ut.Rest1,ut.Rest2,ut.Rest3,ut.Rest4,ut.Rest5,ut.Rest6],pt=[ut.BeamLeft,ut.BeamContinue,ut.BeamRight],gt=[...ft,...dt],yt=[...ft,...dt,ut.vline_Stem],vt=[ut.BOS,ut.NoteheadS0,ut.vline_Stem,...dt],xt=[...gt,ut.vline_Stem],St={[ut.BeamLeft]:"Open",[ut.BeamRight]:"Close"},bt=e=>({type:e,staff:-1,x:0,y1:0,y2:0}),kt=bt(ot.BOS),Tt=e=>[bt(lt[e.numerator]),bt(ct[e.denominator])],wt=(e,t)=>{const s=e.filter((e,s)=>t[s]),i=Math.max(...s);return e.findIndex(e=>e===i)};class SemanticCluster extends SimpleClass{static elementToJSON(e){const t={type:e.type,staff:e.staff,x:e.x,y1:e.y1,y2:e.y2};return e.id&&(t.id=e.id),t}constructor(e){super(),super.assign(e)}get sourceMask(){return this.elements.map(e=>yt.includes(e.type))}get targetMask(){return this.elements.map(e=>vt.includes(e.type))}get vMask(){return this.elements.map(e=>xt.includes(e.type))}get compactMatrixH(){if(!this.matrixH)return null;const e=this.sourceMask,t=this.targetMask;return this.matrixH.filter((t,s)=>e[s]).map(e=>e.filter((e,s)=>t[s]))}set compactMatrixH(e){this.matrixH=Mt([].concat(...e),[this.sourceMask,this.targetMask])}get compactMatrixV(){if(!this._matrixV)return null;const e=this.vMask,t=this._matrixV.filter((t,s)=>e[s]).map(t=>t.filter((t,s)=>e[s]));return[].concat(...t.map((e,t)=>e.slice(0,t)))}set compactMatrixV(e){this.matrixV=e&&Et(e,this.vMask)}get matrixV(){return this.groupsV&&Nt(this.elements.length,this.groupsV)}set matrixV(e){if(!e)return this.groupsV=null,void(this._matrixV=e);const t=[],s=e.map((t,s)=>t.some(Number.isFinite)||e.some(e=>Number.isFinite(e[s])));e.forEach((e,i)=>{if(s[i]){let s=!1;for(let r=0;r=.5){const e=t.findIndex(e=>e.includes(r));t[e].push(i),s=!0;break}}s||t.push([i])}}),this.groupsV=t,this._matrixV=e}toJSON(){return{__prototype:"SemanticCluster",index:this.index,elements:this.elements.map(SemanticCluster.elementToJSON),compactMatrixH:this.compactMatrixH,compactMatrixV:this.compactMatrixV}}static mapMatrix(e,t,s){return t.reduce((t,s,i)=>(t[s]?t[s]=t[s].map((t,s)=>t+e[i][s]?1:0):t[s]=e[i],t),[]).map(e=>s.map(t=>e[t]))}mergeOverlapping(){const e=this.overlappedNoteheads();if(e.length){const t=this.elements.map((t,s)=>{const i=e.find(e=>s===e[1]),r=i?i[0]:s;return r-e.filter(e=>e[1]t.findIndex(e=>e===s));this.elements=s.map(e=>this.elements[e]),console.assert(this.elements.every(Boolean),"null element found:",this,t,s),this.matrixH=SemanticCluster.mapMatrix(this.matrixH,t,s),this.groupsV=this.groupsV.map(e=>Array.from(new Set(e.map(e=>t[e]))))}}overlappedNoteheads(){const e=[],t=this.elements.filter(e=>ft.includes(e.type));for(let s=0;st),t=this.masks?this.masks[1]:e.map(e=>vt.includes(this.elements[e].type)),s=e.map(e=>this.elements[e].type===ut.vline_Stem&&this.elements[e].y2-this.elements[e].y1>2),i=e.filter(e=>[ut.NoteheadS1,ut.NoteheadS2,ut.NoteheadGrace].includes(this.elements[e].type)),r=e.filter(e=>this.elements[e].type===ut.NoteheadS0),n=e.map(()=>!1),a={};i.forEach(t=>{const i=this.elements[t];e.filter(e=>s[e]).filter(e=>this.elements[e].y1-.5i.y1).sort((e,s)=>this.matrixH[t][s]-this.matrixH[t][e]).slice(0,2).filter((e,s)=>0===s||this.matrixH[t][e]>=.5).forEach(e=>{a[e]=a[e]||[],a[e].push(t)})}),r.forEach(e=>{const s=this.elements[e],i=wt(this.matrixH[e],t),r=this.elements[i];r.type===ut.NoteheadS0&&Math.abs(s.x-r.x)<2.6?(n[e]=!0,a[i]=a[i]||[i],a[i].push(e)):a[e]=a[e]||[e]});const o={},c=e.filter(e=>a[e]||dt.includes(this.elements[e].type));c.sort((e,t)=>this.elements[e].x-this.elements[t].x);const l=e.map(e=>e===ut.BOS);c.forEach(e=>{const t=wt(this.matrixH[e],l);o[e]=t,t&&!dt.includes(this.elements[t].type)&&(l[t]=!1),l[e]=!0});const u=this.elements.filter(e=>e.type===ut.Dot),h=this.elements.filter(e=>e.type===ut.Flag3),m=this.elements.filter(e=>pt.includes(e.type)),f=this.groupsV;return c.map(e=>{const t=this.elements[e],s=f?f.findIndex(t=>t.includes(e)):null;if(dt.includes(t.type)){const i=u.filter(e=>e.x>t.x+.5&&e.xt.y1-1&&e.y1this.elements[e]),r=Math.min(...i.map(e=>e.x-.7)),n=Math.max(...i.map(e=>e.x+.7));i.sort((e,t)=>t.y1-e.y1);const c=i.map(e=>e.y1),l=i.map(e=>e.id),f=c[0],d=c[c.length-1],p=u.filter(e=>e.x>n&&e.xf-1&&e.y1{const s=Ne(t.y1,.5);return e[s]=e[s]||[],e[s].push(t),e},{}),g=Math.max(...Object.values(p).map(e=>e.length),0);let y=mt[i[0].type],v=null,x=null,S=null;if(t.type===ut.vline_Stem){if(v=f-t.y1>t.y2-d?"u":"d",S={x:t.x,y:"u"===v?t.y1:t.y2},2===y){const e="u"===v?[t.y1-.4,t.y2-1]:[t.y1+1,t.y2+.4];y+=h.filter(s=>Math.abs(s.x-t.x)<.2&&s.y1>e[0]&&s.y1Math.abs(s.x-t.x)<.2&&s.y1>e[0]&&s.y1{const s=function*(){for(const t of e)yield t}(),[i,r]=t;return i.map(e=>r.map(t=>e&&t?s.next().value:null))},Et=(e,t)=>{const s=function*(){for(const t of e)yield t}();return t.map((e,i)=>t.map((t,r)=>e&&t&&r{const s=Array(e).fill(null).map((e,s)=>t.findIndex(e=>e.includes(s)));return Array(e).fill(null).map((t,i)=>Array(e).fill(null).map((e,t)=>{if(t>=i)return null;const r=s[i],n=s[t];return r<0||n<0?null:r===n?1:0}))};var It;!function(e){e[e.None=0]="None",e.Mordent="mordent",e.Prall="prall",e.Turn="turn",e.Trill="trill",e.Tremolo="tremolo",e.Arpeggio="arpeggio"}(It||(It={}));const Ct=class Stream{constructor(e){this.array=new Uint8Array(e),this.position=0}eof(){return this.position>=this.array.length}read(e){const t=this.array.slice(this.position,this.position+e);return this.position+=e,t}readString(e){return Array.from(this.read(e)).map(e=>String.fromCharCode(e)).join("")}readInt32(){const e=(this.array[this.position]<<24)+(this.array[this.position+1]<<16)+(this.array[this.position+2]<<8)+this.array[this.position+3];return this.position+=4,e}readInt16(){const e=(this.array[this.position]<<8)+this.array[this.position+1];return this.position+=2,e}readInt8(e){let t=this.array[this.position];return e&&t>127&&(t-=256),this.position+=1,t}readVarInt(){let e=0;for(;;){const t=this.readInt8();if(!(128&t))return e+t;e+=127&t,e<<=7}}};const _t=class OStream{constructor(){this.buffer=""}write(e){this.buffer+=e}writeInt32(e){this.buffer+=String.fromCharCode(e>>24&255)+String.fromCharCode(e>>16&255)+String.fromCharCode(e>>8&255)+String.fromCharCode(255&e)}writeInt16(e){this.buffer+=String.fromCharCode(e>>8&255)+String.fromCharCode(255&e)}writeInt8(e){this.buffer+=String.fromCharCode(255&e)}writeVarInt(e){if(e<0)throw new Error("OStream.writeVarInt minus number: "+e);const t=127&e;e>>=7;let s=String.fromCharCode(t);for(;e;){const t=127&e;e>>=7,s=String.fromCharCode(128|t)+s}this.buffer+=s}getBuffer(){return this.buffer}getArrayBuffer(){return Uint8Array.from(this.buffer.split("").map(e=>e.charCodeAt(0))).buffer}};var Ot={parseMidiData:function(e){function t(e){const t=e.readString(4),s=e.readInt32();return{id:t,length:s,data:e.read(s)}}let s;function i(e){const t={};t.deltaTime=e.readVarInt();let i=e.readInt8();if(240&~i){let r;128&i?(r=e.readInt8(),s=i):(r=i,i=s);const n=i>>4;switch(t.channel=15&i,t.type="channel",n){case 8:return t.subtype="noteOff",t.noteNumber=r,t.velocity=e.readInt8(),t;case 9:return t.noteNumber=r,t.velocity=e.readInt8(),0===t.velocity?t.subtype="noteOff":t.subtype="noteOn",t;case 10:return t.subtype="noteAftertouch",t.noteNumber=r,t.amount=e.readInt8(),t;case 11:return t.subtype="controller",t.controllerType=r,t.value=e.readInt8(),t;case 12:return t.subtype="programChange",t.programNumber=r,t;case 13:return t.subtype="channelAftertouch",t.amount=r,t;case 14:return t.subtype="pitchBend",t.value=r+(e.readInt8()<<7),t;default:throw new Error("Unrecognised MIDI event type: "+n)}}else{if(255!==i){if(240===i){t.type="sysEx";const s=e.readVarInt();return t.data=e.readString(s),t}if(247===i){t.type="dividedSysEx";const s=e.readVarInt();return t.data=e.readString(s),t}throw new Error("Unrecognised MIDI event type byte: "+i)}{t.type="meta";const s=e.readInt8(),i=e.readVarInt();switch(s){case 0:if(t.subtype="sequenceNumber",2!==i)throw new Error("Expected length for sequenceNumber event is 2, got "+i);return t.number=e.readInt16(),t;case 1:return t.subtype="text",t.text=e.readString(i),t;case 2:return t.subtype="copyrightNotice",t.text=e.readString(i),t;case 3:return t.subtype="trackName",t.text=e.readString(i),t;case 4:return t.subtype="instrumentName",t.text=e.readString(i),t;case 5:return t.subtype="lyrics",t.text=e.readString(i),t;case 6:return t.subtype="marker",t.text=e.readString(i),t;case 7:return t.subtype="cuePoint",t.text=e.readString(i),t;case 32:if(t.subtype="midiChannelPrefix",1!==i)throw new Error("Expected length for midiChannelPrefix event is 1, got "+i);return t.channel=e.readInt8(),t;case 47:if(t.subtype="endOfTrack",0!==i)throw new Error("Expected length for endOfTrack event is 0, got "+i);return t;case 81:if(t.subtype="setTempo",3!==i)throw new Error("Expected length for setTempo event is 3, got "+i);return t.microsecondsPerBeat=(e.readInt8()<<16)+(e.readInt8()<<8)+e.readInt8(),t;case 84:if(t.subtype="smpteOffset",5!==i)throw new Error("Expected length for smpteOffset event is 5, got "+i);const s=e.readInt8();return t.frameRate={0:24,32:25,64:29,96:30}[96&s],t.hour=31&s,t.min=e.readInt8(),t.sec=e.readInt8(),t.frame=e.readInt8(),t.subframe=e.readInt8(),t;case 88:if(t.subtype="timeSignature",4!==i)throw new Error("Expected length for timeSignature event is 4, got "+i);return t.numerator=e.readInt8(),t.denominator=Math.pow(2,e.readInt8()),t.metronome=e.readInt8(),t.thirtyseconds=e.readInt8(),t;case 89:if(t.subtype="keySignature",2!==i)throw new Error("Expected length for keySignature event is 2, got "+i);return t.key=e.readInt8(!0),t.scale=e.readInt8(),t;case 127:return t.subtype="sequencerSpecific",t.data=e.readString(i),t;default:return t.subtype="unknown",t.data=e.readString(i),t}}}}let r=e;"string"==typeof e&&(r=e.split("").map(e=>e.charCodeAt(0)));const n=new Ct(r),a=t(n);if("MThd"!==a.id||6!==a.length)throw new Error("Bad .mid file - header not found");const o=new Ct(a.data),c=o.readInt16(),l=o.readInt16(),u=o.readInt16();let h;if(32768&u)throw new Error("Expressing time division in SMTPE frames is not supported yet");h=u;const m={formatType:c,trackCount:l,ticksPerBeat:h},f=[];for(let e=0;e>16&255),e.writeInt8(t.microsecondsPerBeat>>8&255),e.writeInt8(255&t.microsecondsPerBeat);break;case"smpteOffset":e.writeInt8(84),e.writeVarInt(5);var s={24:0,25:32,29:64,30:96}[t.frameRate];e.writeInt8(t.hour|s),e.writeInt8(t.min),e.writeInt8(t.sec),e.writeInt8(t.frame),e.writeInt8(t.subframe);break;case"timeSignature":e.writeInt8(88),e.writeVarInt(4),e.writeInt8(t.numerator),e.writeInt8(Math.log2(t.denominator)),e.writeInt8(t.metronome),e.writeInt8(t.thirtyseconds);break;case"keySignature":e.writeInt8(89),e.writeVarInt(2),e.writeInt8(t.key),e.writeInt8(t.scale);break;case"sequencerSpecific":e.writeInt8(127),e.writeVarInt(t.data.length),e.write(t.data);break;default:throw new Error("unhandled event subtype:"+t.subtype)}break;case"sysEx":e.writeInt8(240),e.writeVarInt(t.data.length),e.write(t.data);break;case"dividedSysEx":e.writeInt8(247),e.writeVarInt(t.data.length),e.write(t.data);break;case"channel":switch(t.subtype){case"noteOn":e.writeInt8(144|t.channel),e.writeInt8(t.noteNumber),e.writeInt8(t.velocity);break;case"noteOff":e.writeInt8(128|t.channel),e.writeInt8(t.noteNumber),e.writeInt8(t.velocity?t.velocity:0);break;case"noteAftertouch":e.writeInt8(160|t.channel),e.writeInt8(t.noteNumber),e.writeInt8(t.amount);break;case"controller":e.writeInt8(176|t.channel),e.writeInt8(t.controllerType),e.writeInt8(t.value);break;case"programChange":e.writeInt8(192|t.channel),e.writeInt8(t.programNumber);break;case"channelAftertouch":e.writeInt8(208|t.channel),e.writeInt8(t.amount);break;case"pitchBend":e.writeInt8(224|t.channel),e.writeInt8(255&t.value),e.writeInt8(t.value>>7&255);break;default:throw new Error("unhandled event subtype:"+t.subtype)}break;default:throw new Error("unhandled event type:"+t.type)}}const r=new _t,n=new _t;n.writeInt16(e.formatType),n.writeInt16(t.length),n.writeInt16(e.ticksPerBeat),s(r,"MThd",n.getBuffer());for(let e=0;e{const s=[];let i=120;const r=e.header.ticksPerBeat;for(let t=0;t0){e=a.ticksToEvent/r/(i/60)}"meta"==a.event.type&&"setTempo"==a.event.subtype&&(i=6e7/a.event.microsecondsPerBeat);const s=1e3*e*t||0;o.push([a,s]),a=n()}if(a=n())for(;a;)e()}(),o},trimSequence:e=>{const t=new Map;return e.filter(([{event:e,ticksToEvent:s}])=>{if(s>0&&t.clear(),"channel"!==e.type)return!0;const i=`${e.subtype}|${e.channel}|${e.noteNumber}`;return!t.get(i)&&(t.set(i,e),!0)})},fixOverlapNotes:e=>{const t=new Map,s=new Map,i=[];let r=-1;return e.forEach(([{event:e,ticksToEvent:n}],a)=>{if(n>0&&(r=a),"channel"!==e.type)return;const o=`${e.channel}|${e.noteNumber}`;switch(e.subtype){case"noteOn":t.get(o)?s.set(o,r):t.set(o,r);break;case"noteOff":s.get(o)?(i.push([s.get(o),a]),s.delete(o)):t.delete(o)}}),i.forEach((e,t)=>{for(let s=t-1;s>=0;--s){const t=i[s];if(t[1]t[0]&&++e[0]}}),i.forEach(([t,s])=>{if(s>=e.length-1||t<0)return;const i=e[s],r=e[s+1],n=e[t];if(!n[0].ticksToEvent)return void console.warn("invalid front index:",t,s,n);const a=n[1]/n[0].ticksToEvent;r[1]+=i[1],r[0].ticksToEvent+=i[0].ticksToEvent,i[0].ticksToEvent=n[0].ticksToEvent-1,n[0].ticksToEvent=1,i[1]=i[0].ticksToEvent*a,n[1]=n[0].ticksToEvent*a,e.splice(s,1),e.splice(t,0,i)}),e}};const At=Bt,Pt={64:"Sustain",65:"Portamento",66:"Sostenuto",67:"Soft"};class Notation$1{static parseMidi(e,{fixOverlap:t=!0}={}){const s=[],i={},r={},n=[],a=[];let o=0,c=5e3,l=0,u=4,h=0;const m={};let f,d=0,p=0;const g=[],y=e.header.ticksPerBeat;let v=At.midiToSequence(e);t&&(v=At.trimSequence(At.fixOverlapNotes(v)));const x=v.map(e=>({data:e[0].event,track:e[0].track,deltaTime:e[1],deltaTicks:e[0].ticksToEvent}));let S=0;for(const e of x){if(d+=e.deltaTicks,p=Math.round(1*d),e.deltaTicks>0){const t=e.deltaTicks/y;for(let e=Math.ceil(l);es.channel==t.channel&&s.pitch==e);if(i>=0){const r=s.splice(i,1)[0];n[t.channel].push({channel:t.channel,startTick:r.startTick,endTick:p,pitch:e,start:r.start,duration:o-r.start,velocity:r.velocity,beats:r.beats,track:r.track,finger:r.finger})}else console.debug("unexpected noteOff: ",o,t);m.high=Math.max(m.high||e,e)}break;case"controller":switch(t.controllerType){case 64:case 65:case 66:case 67:const e=Pt[t.controllerType];i[t.channel]=i[t.channel]||{},r[t.channel]=r[t.channel]||[];const s=i[t.channel][e];s&&r[t.channel].push({type:e,start:s.start,duration:o-s.start,value:s.value}),i[t.channel][e]={start:o,value:t.value}}}break;case"meta":switch(t.subtype){case"setTempo":c=t.microsecondsPerBeat/1e3,g.push({tempo:t.microsecondsPerBeat,tick:p,time:o});break;case"timeSignature":u=t.numerator,h=0;break;case"text":if(!f&&/^find-corres:/.test(t.text)){const e=t.text.match(/:([\d\,-]+)/);f=(e&&e[1]||"").split(",").map(e=>Number(e))}else if(/fingering\(.*\)/.test(t.text)){const[e,i]=t.text.match(/\((.+)\)/),r=Number(i);if(!Number.isNaN(r)){const e=s[s.length-1];e&&(e.finger=r);const t=x.find(e=>e.index==S-1);t&&(t.data.finger=r)}}break;case"copyrightNotice":console.log("MIDI copyright:",t.text)}}}return s.forEach(e=>{console.debug("unclosed noteOn event at",e.startTick,e),n[e.channel].push({startTick:e.startTick,endTick:p,pitch:e.pitch,start:e.start,duration:o-e.start,velocity:e.velocity,beats:e.beats,track:e.track,finger:e.finger})}),new Notation$1({channels:n,keyRange:m,pedals:r,bars:a,endTime:o,endTick:p,correspondences:f,events:x,tempos:g,ticksPerBeat:y,meta:{}})}constructor(e){Object.assign(this,e),this.notes=[];for(const e of this.channels)if(e)for(const t of e)this.notes.push(t);this.notes.sort(function(e,t){return e.start-t.start});for(const e in this.notes)this.notes[e].index=Number(e);this.duration=this.notes.length>0?this.endTime-this.notes[0].start:0,this.pitchMap=[];for(const e in this.channels)for(const t in this.channels[e]){const s=this.channels[e][t].pitch;this.pitchMap[s]=this.pitchMap[s]||[],this.pitchMap[s].push(this.channels[e][t])}if(this.pitchMap.forEach(e=>e.sort((e,t)=>e.start-t.start)),this.meta.beatInfos)for(let e=0;e0){const s=this.meta.beatInfos[e-1];t.beatIndex=s.beatIndex+Math.ceil((t.tick-s.tick)/this.ticksPerBeat)}else t.beatIndex=0}{let e=0,t=0,s=5e5;for(const i of this.tempos){e+=s/1e3*(i.tick-t)/this.ticksPerBeat,t=i.tick,s=i.tempo,i.time=e}}}findChordBySoftindex(e,t=.8){return this.notes.filter(s=>Math.abs(s.softIndex-e)e.from,"range is invalid:",e);const t=t=>{const s=Math.max(e.from,this.tempos[t].tick),i=te+s.tempo*t(i),0)/(e.to-e.from))}ticksToTime(e){console.assert(Number.isFinite(e),"invalid tick value:",e),console.assert(this.tempos&&this.tempos.length,"no tempos.");const t=this.tempos.findIndex(t=>t.tick>e),s=t<0?this.tempos.length-1:Math.max(t-1,0),i=this.tempos[s];return i.time+(e-i.tick)*i.tempo*.001/this.ticksPerBeat}timeToTicks(e){console.assert(Number.isFinite(e),"invalid time value:",e),console.assert(this.tempos&&this.tempos.length,"no tempos.");const t=this.tempos.findIndex(t=>t.time>e),s=t<0?this.tempos.length-1:Math.max(t-1,0),i=this.tempos[s];return i.tick+(e-i.time)*this.ticksPerBeat/(.001*i.tempo)}tickRangeToTimeRange(e){return console.assert(e.to>=e.from,"invalid tick range:",e),{from:this.ticksToTime(e.from),to:this.ticksToTime(e.to)}}scaleTempo({factor:e,headTempo:t}){console.assert(this.tempos&&this.tempos.length,"[Notation.scaleTempo] tempos is empty."),t&&(e=t/this.tempos[0].tempo),console.assert(Number.isFinite(e)&&e>0,"[Notation.scaleTempo] invalid factor:",e),this.tempos.forEach(t=>{t.tempo*=e,t.time*=e}),this.events.forEach(t=>{t.deltaTime*=e,t.time*=e}),this.notes.forEach(t=>{t.start*=e,t.duration*=e}),this.endTime*=e}}var Rt={Notation:Notation$1};const{Notation:Dt}=Rt,Ft=()=>new Promise(e=>requestAnimationFrame(e));var Lt=class MidiPlayer$1{constructor(e,{cacheSpan:t=600,onMidi:s,onPlayFinish:i,onTurnCursor:r}={}){let n;this.cacheSpan=t,this.onMidi=s,this.onPlayFinish=i,this.onTurnCursor=r,n=e.notes&&Number.isFinite(e.endTime)?e:Dt.parseMidi(e),this.notation=n,this.events=n.events,this.isPlaying=!1,this.progressTime=0,this.startTime=performance.now(),this.duration=n.endTime,this.cursorTurnDelta=0,console.assert(n.tempos&&n.tempos.length,"[MidiPlayer] invalid notation, tempos is empty.")}dispose(){this.isPlaying=!1,this.progressTime=0}get progressTicks(){return this.notation.timeToTicks(this.progressTime)}set progressTicks(e){this.progressTime=this.notation.ticksToTime(e),this.onTurnCursor&&this.onTurnCursor(this.progressTime)}async play({nextFrame:e=Ft}={}){this.progressTime>=this.duration&&(this.progressTime=0);let t=performance.now();this.startTime=t-this.progressTime,this.isPlaying=!0;let s=this.events.findIndex(e=>e.time>=t-this.startTime);for(;this.isPlaying;){for(;sthis.progressTime+this.cacheSpan)break;"channel"===e.data.type&&this.startTime+e.time>=t&&this.onMidi&&this.onMidi(e.data,this.startTime+e.time)}if(await e(),!this.isPlaying)break;if(0!==this.cursorTurnDelta){const e=this.cursorTurnDelta<0;if(this.startTime-=this.cursorTurnDelta,this.cursorTurnDelta=0,e)for(;s>0;--s){const e=this.events[s].time;if(this.startTime+ethis.duration&&(this.isPlaying=!1,this.onPlayFinish&&this.onPlayFinish())}}pause(){this.isPlaying=!1}turnCursor(e){this.isPlaying?this.cursorTurnDelta+=e-this.progressTime:this.progressTime=e,this.onTurnCursor&&this.onTurnCursor(e)}},$t={CostStepAttenuation:.6,SkipDeep:3,PriorDistanceSigmoidFactor:.1,PriorValueSigmoidFactor:.12,SkipCost:.5,LagOffsetCost:1,LeadOffsetCost:1.6,ZeroOffsetCost:.58,RelocationThreshold:6};const{pick:jt}=x.default,Ht=$t;class Node$2{constructor(e,t){this.s_note=e,this.c_note=t,console.assert(null!=this.s_note.softIndex,"s_note softIndex is null"),this.offset=this.s_note.softIndex-this.c_note.softIndex,this._prev=null,this._totalCost=0,this._value=0,this.cacheDirty=!0}get prev(){return this._prev}set prev(e){e!=this._prev&&(this._prev=e,this.cacheDirty=!0)}get si(){return this.s_note.index}get ci(){return this.c_note.index}get root(){return this.prev.root||this}get rootSi(){return this.prev.zero?this.si:this.prev.rootSi}get id(){return`${this.s_note.index},${this.c_note.index}`}static cost(e,t,s){return e*Ht.CostStepAttenuation+Math.tanh(t*Ht.SkipCost)+Math.tanh(.5*s)}updateCache(){this.cacheDirty&&(this._totalCost=Node$2.cost(this.prev.totalCost,this.si-this.prev.si-1,this.selfCost),this._value=this.prev.value+1-Math.tanh(.5*this.selfCost),this.cacheDirty=!1)}get totalCost(){return this.updateCache(),this._totalCost}get value(){return this.updateCache(),this._value}get deep(){return this.prev.deep+1}get path(){const e=[];for(let t=this;!t.zero;t=t.prev)e[t.si]=t.ci;for(let t=0;t=1,"node index error:",this,e);const s=Node$2.cost(e.totalCost,this.si-e.si-1,t);return(!this.prev||s0?Ht.LagOffsetCost:Ht.LeadOffsetCost))**2}return t}priorByOffset(e){const t=Math.abs(this.offset-e)/1;return Math.tanh(this.value*Ht.PriorValueSigmoidFactor)-Math.tanh(t*Ht.PriorDistanceSigmoidFactor)}static zero(){return{zero:!0,totalCost:0,value:0,si:-1,ci:-1,deep:0,offset:0}}}var Vt=Node$2;const zt=$t,qt=Vt;var Gt=class Navigator$1{constructor(e,t,s={}){this.criterion=e,this.sample=t,this.getCursorOffset=s.getCursorOffset||(()=>null),this.outOfPage=s.outOfPage,this.bestNode=null,this.fineCursor=null,this.breakingSI=t.notes.length-1,this.zeroNode=qt.zero(),this.zeroNode.offset=this.getCursorOffset()||0,this.relocationThreshold=s.relocationThreshold||zt.RelocationThreshold}step(e){const t=this.sample.notes[e];if(t.matches.length>0){t.matches.forEach(t=>{t.evaluatePrev(this.zeroNode);for(let s=e-1;s>=Math.max(this.breakingSI+1,e-zt.SkipDeep);--s){const i=this.sample.notes[s];console.assert(i,"prevNote is null:",s,e,this.sample.notes),i.matches.forEach(e=>{const s=t.offset-e.offset;s<2/zt.LagOffsetCost&&s>-2/zt.LeadOffsetCost&&t.evaluatePrev(e)})}if(t.prior=t.totalCost>1.99?-1:t.priorByOffset(this.zeroNode.offset),t.prior>0&&this.outOfPage){const e=this.criterion.notes[t.ci].startTick;this.outOfPage(e)&&(t.prior-=.7)}}),t.matches.sort((e,t)=>t.prior-e.prior),this.cursors=t.matches;let s=null;const i=this.nullSteps(e),r=this.cursors[0];r&&r.totalCost<1&&(r.prior>0||r.totalCost<.4&&Math.log(Math.max(i*r.value,.001))>this.relocationThreshold)&&(this.zeroNode.offset=r.offset,s=r,(!this.bestNode||r.value>this.bestNode.value)&&(this.bestNode=r)),s?this.fineCursor=s:this.resetCursor(e,{breaking:!1})||(this.zeroNode.offset+=t.deltaSi*Math.tanh(i),console.assert(!Number.isNaN(this.zeroNode.offset),"zeroNode.offset is NaN.",t.deltaSi,i))}else this.cursors=[]}path({fromIndex:e=0,toIndex:t=this.sample.notes.length-1}={}){const s=[];let i=null;for(let r=t;r>=e;){const e=this.sample.notes[r];if(!e.matches.length||e.matches[0].prior<-.01||e.matches[0].totalCost>=1){s[r]=-1,--r;continue}null!=i&&(e.matches.forEach(e=>e.backPrior=e.totalCost<1.99?e.priorByOffset(i):-1),e.matches.sort((e,t)=>t.backPrior-e.backPrior));const t=e.matches[0];t.path.forEach((e,t)=>s[t]=e),i=t.root.offset,r=t.rootSi-1}return console.assert(s.length==t+1,"path length error:",s,e,t+1,this.sample.notes.length,this.sample.notes.length?this.sample.notes[this.sample.notes.length-1].index:null),s}nullSteps(e){return e-(this.fineCursor?this.fineCursor.si:-1)-1}resetCursor(e,{breaking:t=!0}={}){t&&(this.breakingSI=e);const s=this.getCursorOffset();return null!=s&&(this.zeroNode.offset=s,this.zeroNode.si=e,this.fineCursor=null,console.assert(!Number.isNaN(this.zeroNode.offset),"zeroNode.offset is NaN.",s),!0)}get relocationTendency(){const e=this.cursors&&this.cursors[0];if(!e)return null;const t=this.nullSteps(e.si);return t<=0?0:Math.log(Math.max(t*e.value,.001))/this.relocationThreshold}};const Wt=Vt,Ut=Gt,Yt=e=>Math.tanh(e/192),Xt=function(e,t,{softIndexFactor:s=1}={}){const i=e[t=Number(t)];if(t>0){const r=e[t-1];console.assert(null!=i.start,"note.start is null",i),console.assert(null!=r.start,"lastNote.start is null",r),i.deltaSi=Yt((i.start-r.start)*s),i.softIndex=r.softIndex+i.deltaSi,console.assert(!Number.isNaN(i.deltaSi),"note.deltaSi is NaN.",i.start,r.start)}else i.softIndex=0,i.deltaSi=0};var Kt={normalizeInterval:Yt,makeNoteSoftIndex:Xt,makeMatchNodes:function(e,t,s=Wt.zero()){e.matches=[];const i=t.pitchMap[e.pitch];if(i)for(const t of i){const i=new Wt(e,t);s&&i.evaluatePrev(s),e.matches.push(i)}},genNotationContext:function(e,{softIndexFactor:t=1}={}){for(let s=0;s"setTempo"==e.subtype)||(n.push({time:t,type:"meta",subtype:"timeSignature",numerator:4,denominator:4,thirtyseconds:8}),n.push({time:t,type:"meta",subtype:"setTempo",microsecondsPerBeat:e.microsecondsPerBeat}));let a=t||0;if(e.notes)for(const t of e.notes)n.push({time:t.start,type:"channel",subtype:"noteOn",channel:t.channel||0,noteNumber:t.pitch,velocity:t.velocity,finger:t.finger}),a=Math.max(a,t.start),Number.isFinite(s)&&(t.duration=t.duration||s),t.duration&&(n.push({time:t.start+t.duration,type:"channel",subtype:"noteOff",channel:t.channel||0,noteNumber:t.pitch,velocity:0}),a=Math.max(a,t.start+t.duration));if(e.events){const t=e.events.filter(e=>!Jt.includes(e.data.subtype));for(const e of t)n.push({time:e.time,...e.data}),a=Math.max(a,e.time)}return n.push({time:a+100,type:"meta",subtype:"endOfTrack"}),n.sort(function(e,t){return e.time-t.time}),n.map((e,t)=>({event:e,index:t})).filter(({event:e})=>"noteOn"==e.subtype&&null!=e.finger).reverse().forEach(({event:e,index:t})=>n.splice(t+1,0,{time:e.time,type:"meta",subtype:"text",text:`fingering(${e.finger})`})),n.forEach(e=>e.ticks=Math.round((e.time-t)*i)),n.forEach((e,t)=>e.deltaTime=e.ticks-(t>0?n[t-1].ticks:0)),{header:r,tracks:[n]}}var es={sliceMidi:(e,t,s)=>({header:e.header,tracks:e.tracks.map(e=>((e,t,s)=>{(e=>{let t=0;e.forEach(e=>{t+=e.deltaTime,e.tick=t})})(e);const i=[],r={};return e.forEach(e=>{e.tick>=t&&e.tick<=s&&"endOfTrack"!==e.subtype?i.push({...e,tick:e.tick-t}):e.ticki.push({...e,tick:0})),i.push({tick:s-t,type:"meta",subtype:"endOfTrack"}),(e=>{let t=0;e.sort((e,t)=>e.tick-t.tick).forEach(e=>{e.deltaTime=e.tick-t,t=e.tick})})(i),i})(e,t,s))}),encodeToMIDIData:Qt,encodeToMIDI:function(e,t){const s=Qt(e,t);return Zt.encodeMidiFile(s)}};var ts={MIDI:Ot,MusicNotation:Rt,MidiPlayer:Lt,Matcher:Kt,MidiUtils:es};const ss=["id","ids","pitch","velocity","track","channel","rest","tied","overlapped","implicitType","afterGrace","contextIndex","staffTrack","chordPosition","division"];class MetaNotation{static fromAbsoluteNotes(e,t,s){const i=new MetaNotation(s);return i.measures=Array(t.length).fill(null).map((s,i)=>{const r=t[i],n=t[i+1]?t[i+1]-r:0,a=e.filter(e=>e.measure===i+1).map(e=>({tick:e.startTick-r,duration:e.endTick-e.startTick,...v.default(e,ss),subNotes:[]}));return a.forEach(e=>["rest","tied","implicitType","afterGrace"].forEach(t=>{e[t]||delete e[t]})),{tick:r,duration:n,notes:a}}),i.idTrackMap=e.reduce((e,t)=>(t.id&&(e[t.id]=t.track),e),{}),i}static performAbsoluteNotes(e,{withRestTied:t=!1}={}){const s=e.filter(e=>(t||!e.rest&&!e.tied)&&!e.overlapped).map(e=>({measure:e.measure,channel:e.channel,track:e.track,start:e.start,startTick:e.startTick,endTick:e.endTick,pitch:e.pitch,duration:e.duration,velocity:e.velocity||127,id:e.id,ids:e.ids,staffTrack:e.staffTrack,contextIndex:e.contextIndex,implicitType:e.implicitType,chordPosition:e.chordPosition})).reduce((e,t)=>{const s=`${t.channel}|${t.start}|${t.pitch}`,i=e[s];return i?i.ids.push(...t.ids):e[s]=t,e},{});return Object.values(s)}constructor(e){this.ripe=!1,e&&Object.assign(this,e)}get trackTickBias(){const e=this.measures[0];return this.trackNames.reduce((t,s,i)=>{if(t[s]=0,e){const r=e.notes.find(e=>e.track===i);r&&(t[s]=Math.min(r.tick,0))}return t},{})}get idSet(){return this.measures.reduce((e,t)=>(t.notes.filter(e=>!e.rest).forEach(t=>t.ids.forEach(t=>e.add(t))),e),new Set)}toJSON(){return{__prototype:"LilyNotation",measures:this.measures,idTrackMap:this.idTrackMap,trackNames:this.trackNames,ripe:this.ripe}}toAbsoluteNotes(e){let t=0;const s=e.map(e=>{const s=this.measures[e-1];console.assert(!!s,"invalid measure index:",e,this.measures.length);const i=s.notes.map(s=>({startTick:t+s.tick,endTick:t+s.tick+s.duration,start:t+s.tick,duration:s.duration,measure:e,...v.default(s,ss)}));return t+=s.duration,i});return[].concat(...s)}toPerformingNotation(e,t={}){const s=this.toAbsoluteNotes(e),i=MetaNotation.performAbsoluteNotes(s,t),r=Math.max(...i.map(e=>e.start+e.duration)),n=e.reduce((e,t)=>e+this.measures[t-1].duration,0);return new ts.MusicNotation.Notation({ticksPerBeat:480,meta:{},tempos:[],channels:[i],endTime:r,endTick:n})}toPerformingMIDI(e,{trackList:t}={}){if(!e.length)return null;const s=-Math.min(0,...this.measures[0]?.events.map(e=>e.ticks)||[],...this.measures[0]?.notes.map(e=>e.tick)||[]);let i=s;const r=e.map(e=>{const t=this.measures[e-1];console.assert(!!t,"invalid measure index:",e,this.measures.length);const s=t.events.map(t=>({ticks:i+t.ticks,track:t.track,data:{...t.data,measure:e}}));return i+=t.duration,s}),n=e=>e.ticks+("noteOff"===e.subtype?-1e-8:0),a=[].concat(...r).reduce((e,t)=>(e[t.track]=e[t.track]||[],e[t.track].push({ticks:t.ticks,...t.data}),e),[]);a[0]=a[0]||[],i=s,e.map(e=>{const s=this.measures[e-1];console.assert(!!s,"invalid measure index:",e,this.measures.length),Number.isFinite(s.duration)&&(s.notes.forEach(s=>{if(t&&!t[s.track])return;if(s.rest)return;const r=i+s.tick,n=a[s.track]=a[s.track]||[];s.subNotes.forEach(t=>{n.push({ticks:r+t.startTick,measure:e,ids:s.ids,type:"channel",subtype:"noteOn",channel:s.channel,noteNumber:t.pitch,velocity:t.velocity,staffTrack:s.staffTrack,staff:s.staff}),n.push({ticks:r+t.endTick,measure:e,ids:s.ids,type:"channel",subtype:"noteOff",channel:s.channel,noteNumber:t.pitch,velocity:0,staffTrack:s.staffTrack,staff:s.staff})})}),i+=s.duration)});const o=i;for(let e=0;e{e.sort((e,t)=>n(e)-n(t));let t=0;e.forEach(e=>{e.deltaTime=e.ticks-t,Number.isFinite(e.deltaTime)?t=e.ticks:e.deltaTime=0}),e.push({deltaTime:Math.max(o-t,0),type:"meta",subtype:"endOfTrack"})}),{header:{formatType:0,ticksPerBeat:480},tracks:a,zeroTick:s}}toPerformingNotationWithEvents(e,t={}){if(!e.length)return null;const{zeroTick:s,...i}=this.toPerformingMIDI(e,t),r=ts.MusicNotation.Notation.parseMidi(i);is(r);let n=s;return r.measures=e.map(e=>{const t=n;return n+=this.measures[e-1].duration,{index:e,startTick:t,endTick:n}}),r}setTempo(e){let t=!1;for(const s of this.measures)for(const i of s.events)"setTempo"===i.data.subtype&&(i.data.microsecondsPerBeat=6e7/e,t=!0);return t}}const is=(e,t=["ids","measure","staffTrack"])=>{const s=(e,t,s)=>`${e}|${t}|${s}`,i=e.notes.reduce((e,t)=>(e[s(t.channel,t.pitch,t.startTick)]=t,e),{});e.events.forEach(e=>{if("noteOn"===e.data.subtype){const r=s(e.data.channel,e.data.noteNumber,e.ticks),n=i[r];console.assert(!!n,"cannot find note of",r),n&&Object.assign(n,v.default(e.data,t))}})};var rs,ns={exports:{}},as={exports:{}};as.exports=rs=rs||function(e,t){var s;if("undefined"!=typeof window&&window.crypto&&(s=window.crypto),"undefined"!=typeof self&&self.crypto&&(s=self.crypto),"undefined"!=typeof globalThis&&globalThis.crypto&&(s=globalThis.crypto),!s&&"undefined"!=typeof window&&window.msCrypto&&(s=window.msCrypto),!s&&"undefined"!=typeof global&&global.crypto&&(s=global.crypto),!s)try{s=require("crypto")}catch(e){}var i=function(){if(s){if("function"==typeof s.getRandomValues)try{return s.getRandomValues(new Uint32Array(1))[0]}catch(e){}if("function"==typeof s.randomBytes)try{return s.randomBytes(4).readInt32LE()}catch(e){}}throw new Error("Native crypto module could not be used to get secure random number.")},r=Object.create||function(){function e(){}return function(t){var s;return e.prototype=t,s=new e,e.prototype=null,s}}(),n={},a=n.lib={},o=a.Base={extend:function(e){var t=r(this);return e&&t.mixIn(e),t.hasOwnProperty("init")&&this.init!==t.init||(t.init=function(){t.$super.init.apply(this,arguments)}),t.init.prototype=t,t.$super=this,t},create:function(){var e=this.extend();return e.init.apply(e,arguments),e},init:function(){},mixIn:function(e){for(var t in e)e.hasOwnProperty(t)&&(this[t]=e[t]);e.hasOwnProperty("toString")&&(this.toString=e.toString)},clone:function(){return this.init.prototype.extend(this)}},c=a.WordArray=o.extend({init:function(e,s){e=this.words=e||[],this.sigBytes=s!=t?s:4*e.length},toString:function(e){return(e||u).stringify(this)},concat:function(e){var t=this.words,s=e.words,i=this.sigBytes,r=e.sigBytes;if(this.clamp(),i%4)for(var n=0;n>>2]>>>24-n%4*8&255;t[i+n>>>2]|=a<<24-(i+n)%4*8}else for(var o=0;o>>2]=s[o>>>2];return this.sigBytes+=r,this},clamp:function(){var t=this.words,s=this.sigBytes;t[s>>>2]&=4294967295<<32-s%4*8,t.length=e.ceil(s/4)},clone:function(){var e=o.clone.call(this);return e.words=this.words.slice(0),e},random:function(e){for(var t=[],s=0;s>>2]>>>24-r%4*8&255;i.push((n>>>4).toString(16)),i.push((15&n).toString(16))}return i.join("")},parse:function(e){for(var t=e.length,s=[],i=0;i>>3]|=parseInt(e.substr(i,2),16)<<24-i%8*4;return new c.init(s,t/2)}},h=l.Latin1={stringify:function(e){for(var t=e.words,s=e.sigBytes,i=[],r=0;r>>2]>>>24-r%4*8&255;i.push(String.fromCharCode(n))}return i.join("")},parse:function(e){for(var t=e.length,s=[],i=0;i>>2]|=(255&e.charCodeAt(i))<<24-i%4*8;return new c.init(s,t)}},m=l.Utf8={stringify:function(e){try{return decodeURIComponent(escape(h.stringify(e)))}catch(e){throw new Error("Malformed UTF-8 data")}},parse:function(e){return h.parse(unescape(encodeURIComponent(e)))}},f=a.BufferedBlockAlgorithm=o.extend({reset:function(){this._data=new c.init,this._nDataBytes=0},_append:function(e){"string"==typeof e&&(e=m.parse(e)),this._data.concat(e),this._nDataBytes+=e.sigBytes},_process:function(t){var s,i=this._data,r=i.words,n=i.sigBytes,a=this.blockSize,o=n/(4*a),l=(o=t?e.ceil(o):e.max((0|o)-this._minBufferSize,0))*a,u=e.min(4*l,n);if(l){for(var h=0;h>>7)^(d<<14|d>>>18)^d>>>3,g=l[f-2],y=(g<<15|g>>>17)^(g<<13|g>>>19)^g>>>10;l[f]=p+l[f-7]+y+l[f-16]}var v=i&r^i&n^r&n,x=(i<<30|i>>>2)^(i<<19|i>>>13)^(i<<10|i>>>22),S=m+((o<<26|o>>>6)^(o<<21|o>>>11)^(o<<7|o>>>25))+(o&u^~o&h)+c[f]+l[f];m=h,h=u,u=o,o=a+S|0,a=n,n=r,r=i,i=S+(x+v)|0}s[0]=s[0]+i|0,s[1]=s[1]+r|0,s[2]=s[2]+n|0,s[3]=s[3]+a|0,s[4]=s[4]+o|0,s[5]=s[5]+u|0,s[6]=s[6]+h|0,s[7]=s[7]+m|0},_doFinalize:function(){var e=this._data,s=e.words,i=8*this._nDataBytes,r=8*e.sigBytes;return s[r>>>5]|=128<<24-r%32,s[14+(r+64>>>9<<4)]=t.floor(i/4294967296),s[15+(r+64>>>9<<4)]=i,e.sigBytes=4*s.length,this._process(),this._hash},clone:function(){var e=n.clone.call(this);return e._hash=this._hash.clone(),e}});s.SHA256=n._createHelper(u),s.HmacSHA256=n._createHmacHelper(u)}(Math),e.SHA256}(as.exports);var os=ns.exports;class HashVector{static fromHash(e){const t=[];for(const s of e)for(let e=0;e<8;++e)t.push(s>>e&1?1:-1);return new HashVector(t)}static fromString(e){const t=(e=>{const{words:t,sigBytes:s}=os(e),i=t.map(e=>e<0?e+4294967296:e),r=s/t.length;return new Uint8Array(s).map((e,t)=>i[Math.floor(t/r)]>>8*(3-t%r)&255)})(e);return HashVector.fromHash(t)}static fromWords(e){return e.map(e=>HashVector.fromString(e)).reduce((e,t)=>e.add(t),HashVector.zero)}static concat(...e){const t=e.map(e=>e.fields).flat(1);return new HashVector(t)}constructor(e=null){this.fields=e||Array(256).fill(0)}get length(){return this.fields.length}toHash(){return Uint8Array.from(Array(this.length/8).fill(0).map((e,t)=>this.fields.slice(8*t,8*(t+1)).reduce((e,t,s)=>e|(t>0?1:0)<this.fields[s]=t+e.fields[s]),this}scale(e){return this.fields=this.fields.map(t=>t*e),this}sub(e){const t=e>0?this.fields.slice(0,e):this.fields.slice(e);return new HashVector(t)}static get zero(){return new HashVector}}const cs=Array(256).fill(0).map((e,t)=>(e=>{let t=0;for(let s=e;s>0;s>>=1)s%2&&++t;return t})(t));cs.reduce((e,t,s)=>({...e,[("0"+s.toString(16)).slice(-2)]:t}),{});const ls=(e,t)=>{const s=8*e.length,i=((e,t)=>e.map((e,s)=>e^t[s]))(e,t);return(s-2*i.reduce((e,t)=>e+cs[t],0))/s},us=e=>("0"+e.toString(16)).slice(-2);var hs={Matrix:function(){}};hs.Matrix.create=function(e){return(new hs.Matrix).setElements(e)},hs.Matrix.I=function(e){for(var t,s=[],i=e;i--;)for(t=e,s[i]=[];t--;)s[i][t]=i===t?1:0;return hs.Matrix.create(s)},hs.Matrix.prototype={dup:function(){return hs.Matrix.create(this.elements)},isSquare:function(){var e=0===this.elements.length?0:this.elements[0].length;return this.elements.length===e},toRightTriangular:function(){if(0===this.elements.length)return hs.Matrix.create([]);var e,t,s,i,r=this.dup(),n=this.elements.length,a=this.elements[0].length;for(t=0;t=n&&l[a].push(r);for(o.elements[a]=s,e=a;e--;){for(s=[],t=0;t1===e?null:(e=>{const t=Math.round(1920*e);return Oe(t,1920)})(e);var ds,ps,gs;!function(e){e[e.PLACE=0]="PLACE",e[e.VERTICAL=1]="VERTICAL",e[e.HORIZONTAL=2]="HORIZONTAL"}(ds||(ds={}));class Action{constructor(e){Object.assign(this,e)}static P(e){return new Action({type:ds.PLACE,e1:e})}static V(e,t,s=1){return new Action({type:ds.VERTICAL,e1:s>0?e:t,e2:s>0?t:e})}static H(e,t){return new Action({type:ds.HORIZONTAL,e1:e,e2:t})}get id(){switch(this.type){case ds.PLACE:return this.e1.toString();case ds.VERTICAL:return`${this.e1}|${this.e2}`;case ds.HORIZONTAL:return`${this.e1}-${this.e2>=0?this.e2:"."}`}}get events(){return[this.e1,this.e2].filter(Number.isFinite)}}class StageMatrix{static fromNode(e,t){const s=Array(e.stages.length).fill(null).map(()=>Array(e.stages.length).fill(null).map(()=>new Set));e.actions.filter(e=>e.type===ds.HORIZONTAL).forEach(t=>{const i=e.stages.findIndex(e=>e.events.includes(t.e1)),r=e.stages.findIndex(e=>e.events.includes(t.e2));console.assert(i>=0&&r>=0,"invalid stages for H action:",e.id,e.stages,t),s[i][r].add(t.e1)}),s[0][e.stages.length-1].add(0);const i=e.stagedEvents,r=t.matrixH[t.matrixH.length-1].filter((e,t)=>!i.has(t)),n=Math.max(0,Math.max(...r)-.01),a=e.actions.filter(e=>e.type===ds.HORIZONTAL),o=Object.keys(t.eventMap).map(Number).filter(e=>!a.find(t=>t.e2===e));return e.stages.forEach(i=>{i.events.forEach(r=>{if(r>0){!a.find(e=>e.e1===r)&&t.matrixH[t.matrixH.length-1][r]>=n&&(o.some(e=>t.matrixH[e][r]>0)||s[i.index][e.stages.length-1].add(r))}})}),new StageMatrix({matrix:s})}constructor(e){Object.assign(this,e)}pathOf(e,t,s,i=0){if(this.matrix[e][t].size){const r=[...this.matrix[e][t]][i];if(t===s)return[r];for(let e=t+1;e<=s;++e){const i=this.pathOf(t,e,s);if(i)return[r,...i]}}return null}findDoublePath(e,t){const s=[];for(let i=t;i>=e+1;--i)for(let r=0;rt.forEach(t=>e.forEach(e=>t.delete(e))))}toEquations(e){const t=[];for(let s=1;sn[e]=1),r.forEach(e=>n[e]=-1),t.push(n),this.reducePath(i.length>r.length?i:r)}}}return t}}class PathNode{constructor(e){Object.assign(this,e),console.assert(this.logger,"logger is null:",e)}get actions(){const e=this.parent?this.parent.actions:[];return this.action?[...e,this.action]:e}get id(){return this.actions.map(e=>e.id).sort().join(" ")}get stagedEvents(){const e=new Set;return this.stages&&this.stages.forEach(t=>t.events.forEach(t=>t>=0&&e.add(t))),e}like(e){return e.split(" ").sort().join(" ")===this.id}constructStages(e){this.stages=[{events:[-1]}];for(const t of this.actions)switch(t.type){case ds.PLACE:this.stages.unshift({events:[t.e1]});break;case ds.VERTICAL:{const e=this.stages.find(e=>e.events.includes(t.e1)),s=this.stages.find(e=>e.events.includes(t.e2));console.assert(e||s,"invalid V action:",this.stages,t),e&&s?(e.events.push(...s.events),s.events=null,this.stages=this.stages.filter(e=>e.events)):e?s||e.events.push(t.e2):s.events.unshift(t.e1)}break;case ds.HORIZONTAL:{const s=this.stages.find(e=>e.events.includes(t.e1)),i=this.stages.find(e=>e.events.includes(t.e2));console.assert(s||i,"invalid H action:",this.stages,t);const r=s=>{console.assert(e.eventMap[s],"invalid event id:",t.id,s,e.eventMap);const i=e.eventMap[s].x,r=this.stages.find(t=>t.events.some(t=>t>0&&e.eventMap[t].x<=i)&&t.events.some(t=>t>0&&e.eventMap[t].x>=i));if(r)r.events.push(s);else{const t={events:[s]},r=this.stages.findIndex(t=>-1===t.events[0]||e.eventMap[t.events[0]].x>=i);this.stages.splice(r,0,t)}};s||r(t.e1),i||r(t.e2)}}this.stages.forEach((e,t)=>e.index=t)}constructConstraints(e){const t=Object.keys(e.eventMap).length,s=StageMatrix.fromNode(this,e).toEquations(t),i=Array(t).fill(null).map((t,s)=>e.eventMap[s].duration);this.constraints=s.map(e=>e.map((e,t)=>e*i[t]))}inbalancesConstraints(e){console.assert(this.constraints,"constraints not constructed.");const t=Object.keys(e.eventMap).length,s=Array(t).fill(!0),i=Array(t).fill(!1),r=[];for(const e of this.constraints){const t=e.reduce((e,t)=>e+t,0);if(0!==t){const n=t<0?e.map(e=>-e):e;if(n[0]>0)continue;r.push(n),n.forEach((e,t)=>{i[t]=i[t]||e<0,e&&(s[t]=e<0||i[t])})}}return this.constraints.forEach(e=>{0!==e.reduce((e,t)=>e+t,0)||e[0]||e.some((e,t)=>e&&!s[t])&&(e.forEach((e,t)=>e&&(s[t]=!1)),r.push(e))}),{ones:s,inbalances:r}}solveEquations({ones:e,inbalances:t}){if(!t.length)return e.map(()=>1);const s=e.map((e,t)=>({fixed:e,i:t})).filter(({fixed:e})=>!e).map(({i:e})=>e).filter(e=>t.some(t=>0!==t[e]));if(!s.length)return e.map(()=>1);const i=s.map(e=>Math.abs(t.find(t=>0!==t[e])[e])),r=new Map;let n=!1;const a=t.map(e=>({line:e.filter((e,t)=>s.includes(t)),bias:-e.reduce((e,t,i)=>e+(s.includes(i)?0:t),0)})).filter(({line:e,bias:t})=>{if(e.every(e=>0===e))return!1;const s=e.join(",");return r.has(s)?(n=r.get(s)!==t,!1):(r.set(s,t),!0)});if(n)return null;const o=a.slice(0,s.length),c=a.slice(s.length);if(o.lengths===t?1:s===r?-1:0),bias:0,prior:(i[t]+i[r])/ms};o.some(e=>e.line[t]&&e.line[r])&&(n.prior-=10),o.some(e=>1===e.line.filter(Number).length&&(e.line[t]||e.line[r]))&&(n.prior+=1),e.push(n)}e.sort((e,t)=>e.prior-t.prior),o.push(...e.slice(0,s.length-o.length))}const l=o.map(({line:e})=>e),u=o.map(({bias:e})=>e),h=function(e){const t=hs.Matrix.create(e).inverse();return null!==t?t.elements:null}(l);if(!h)return this.logger.warn("null invert:",l),null;const m=h.map(e=>e.reduce((e,t,s)=>e+t*u[s],0));if(c.length&&c.some(e=>Math.abs(e.line.reduce((e,t,s)=>e+t*m[s],0))>.001))return null;const f=e.map(()=>1);return s.forEach((e,t)=>f[e]=m[t]),f}optimallySolve(e){const{ones:t,inbalances:s}=this.inbalancesConstraints(e),i=t.map((t,s)=>t?-1:Ne(e.eventMap[s].shrinkness,.01)).reduce((e,t,s)=>(t>=0&&(e[t]=e[t]||[],e[t].push(s)),e),{}),r=Object.entries(i).sort((e,t)=>Number(t[0])-Number(e[0])).map(e=>e[1]);for(let i=1;i!n.includes(t)),o=this.solveEquations({ones:a,inbalances:s});if(o&&o.every((t,s)=>t<=1&&t>e.eventMap[s].lowWarp))return o}return this.solveEquations({ones:t,inbalances:s})}isConflicted(e){const{ones:t,inbalances:s}=this.inbalancesConstraints(e);for(const i of s){if(i.reduce((s,i,r)=>s+i*(t[r]||i<=0?1:e.eventMap[r].lowWarp),0)>=0)return i.forEach((t,s)=>{t&&(e.eventTendencies[s]+=t>0?1:-1)}),!0}if(!s.length)return!1;const i=this.solveEquations({ones:t,inbalances:s});return!i||!i.every((t,s)=>t>e.eventMap[s].lowWarp&&t<=1)}getSolution(e){const t=t=>e.eventMap[t.e2]?e.eventMap[t.e2].x+.06*Math.abs(e.eventMap[t.e2].x-e.eventMap[t.e1].x):e.eventMap[t.e1].x+1e4,s=this.actions.filter(e=>e.type===ds.HORIZONTAL).sort((e,s)=>t(e)-t(s)),i=s.reduce((e,t)=>({...e,[t.e1]:t.e2}),{}),r=new Set([...Object.keys(i)].map(Number));s.forEach(e=>r.delete(e.e2)),this.stages[0].events.forEach(e=>e>0&&r.add(e));let n=[...r].map(e=>{const t=[e];let s=e;for(;i[s]&&(s=i[s],!(s<0||t.includes(s)));)t.push(s);return t});const a=Object.values(e.eventMap).filter(e=>e.id>0).map(e=>({id:e.id,tick:null,endTick:null,tickGroup:null,timeWarp:null})),o=a.filter(e=>n.some(t=>t.includes(e.id))||s.some(t=>[t.e1,t.e2].includes(e.id))).reduce((e,t)=>({...e,[t.id]:t}),{});this.stages.forEach((e,t)=>e.events.forEach(e=>o[e]&&(o[e].tickGroup=t))),this.stages[0].tick=0,this.stages[0].events.forEach(e=>o[e]&&(o[e].tick=0));const c=this.optimallySolve(e);a.forEach(e=>e.timeWarp=fs(c[e.id]));const l=this.stages.slice(0,this.stages.length-1),u=()=>{if(l.every(e=>Number.isFinite(e.tick)))return!1;let t=!1;return s.forEach(s=>{const i=this.stages.find(e=>e.events.includes(s.e1)),r=this.stages.find(e=>e.events.includes(s.e2));Number.isFinite(i.tick)&&!Number.isFinite(r.tick)&&(r.tick=i.tick+Ae(e.eventMap[s.e1].duration,o[s.e1].timeWarp),r.events.forEach(e=>o[e]&&(o[e].tick=r.tick)),t=!0)}),[...s].reverse().forEach(s=>{const i=this.stages.find(e=>e.events.includes(s.e1)),r=this.stages.find(e=>e.events.includes(s.e2));!Number.isFinite(i.tick)&&Number.isFinite(r.tick)&&(i.tick=r.tick-Ae(e.eventMap[s.e1].duration,o[s.e1].timeWarp),i.events.forEach(e=>o[e]&&(o[e].tick=i.tick)),t=!0)}),t};for(;u(););console.assert(l.every(e=>Number.isFinite(e.tick)),"stage ticks not all solved:",this.stages,this.id),a.filter(e=>Number.isFinite(e.tick)).forEach(t=>t.endTick=t.tick+Ae(e.eventMap[t.id].duration,t.timeWarp));const h=e.eventMap[0].duration;n.forEach(e=>{const t=e.findIndex(e=>o[e].endTick>h);if(t>=0){e.splice(t,e.length-t).forEach(e=>{o[e].tick=null,o[e].endTick=null})}}),n=n.filter(e=>e.length);const m=Math.max(0,...a.map(e=>e.endTick).filter(Number.isFinite));return this.logger.debug(String.fromCodePoint(127822),this.id,c),{voices:n,events:a,duration:m,actions:this.actions.map(e=>e.id).join(" ")}}deduce(e,t){this.stages||this.constructStages(e);const s=e.actionAccessing.get(this.id)||{times:0};if(++s.times,e.actionAccessing.set(this.id,s),this.constructConstraints(e),this.isConflicted(e))return s.closed=!0,this.logger.info(this.action.id,"❌"),null;if(this.logger.group(this.action&&this.action.id),t.credits>0){if(--t.credits,this.children||this.expand(e),this.children=this.children.filter(t=>!e.actionAccessing.get(t.id)||!e.actionAccessing.get(t.id).closed),this.children.length){const s=t=>t.possibility/((e.actionAccessing.get(t.id)||{times:0}).times+1);this.children.sort((e,t)=>s(t)-s(e));for(const s of this.children){const i=s.deduce(e,t);if(i)return this.logger.groupEnd(),i;if(t.credits<=0)break}}}else this.logger.debug("quota exhausted.");return this.logger.groupEnd(),s.closed=!0,this.getSolution(e)}expand(e){this.constructStages(e);const{eventMap:t,matrixV:s,matrixH:i}=e,r=this.stagedEvents,n=[],a=e=>{if(!this.actions.some(t=>t.id===e.action.id)&&!n.some(t=>t.action.id===e.action.id)){const t=this.stages.find(t=>t.events.includes(e.action.e1)),i=this.stages.find(t=>t.events.includes(e.action.e2));if(t===i||t&&i&&t.index>=i.index)return;if(t&&i)if(e.action.type===ds.VERTICAL){if(i.index-t.index>1)return;if(this.actions.some(e=>t.events.includes(e.e1)&&i.events.includes(e.e2)))return}else if(e.action.type===ds.HORIZONTAL&&t.index>i.index)return;if(e.action.type===ds.HORIZONTAL&&this.actions.some(t=>t.type===ds.HORIZONTAL&&(t.e1===e.action.e1||t.e2===e.action.e2||t.e1===e.action.e2&&t.e2===e.action.e1)))return;if(e.action.type===ds.VERTICAL){if(t&&(e.possibility=Math.min(e.possibility,...t.events.map(t=>s[e.action.e2][t])),e.possibility<=0))return;if(i&&(e.possibility=Math.min(e.possibility,...i.events.map(t=>s[t][e.action.e1])),e.possibility<=0))return}n.push(e)}};for(const e of r)e<0||(s[e].forEach((t,s)=>{t>0&&e!==s&&a({action:Action.V(s,e),possibility:t})}),s.forEach((t,s)=>{const i=t[e];i>0&&a({action:Action.V(e,s),possibility:i})}),i[e].forEach((t,s)=>{t>0&&a({action:Action.H(s,e),possibility:t})}),i.forEach((s,i)=>{i=i>=Object.keys(t).length?-1:i;const r=s[e];r>0&&a({action:Action.H(e,i),possibility:r})}));n.some(e=>[ds.HORIZONTAL,ds.PLACE].includes(e.action.type)||!r.has(e.action.e1)||!r.has(e.action.e2))?this.children=n.map(e=>new PathNode({logger:this.logger,parent:this,...e})):this.children=[]}}class Solver{constructor(e,{quota:t=1e3,logger:s=new DummyLogger}={}){this.quota=t,this.logger=s;const i={id:0,x:0,confidence:1,shrinkness:e.measureShrinkness,duration:e.expectedDuration,lowWarp:0};this.events=[i,...e.events.map(e=>({id:e.id,x:e.x,confidence:e.confidence,shrinkness:e.shrinkness,staff:e.staff,duration:e.duration,lowWarp:.5}))],this.eventMap=this.events.reduce((e,t)=>({...e,[t.id]:t}),{}),this.matrixH=e.matrixH,this.matrixV=e.matrixV,this.xSpan=e.endX-Math.min(e.endX-1,...e.events.map(e=>e.x)),this.actionAccessing=new Map}solve(){this.pathRoot=new PathNode({logger:this.logger,action:null}),this.pathRoot.children=this.events.slice(1).map(e=>new PathNode({logger:this.logger,parent:this.pathRoot,action:Action.P(e.id),possibility:this.matrixV[e.id].reduce((e,t)=>e+t,0)}));let e=null;this.logger.groupCollapsed("solve");const t=Array(this.events.length).fill(0),s={credits:this.quota,times:0};for(;s.credits>0;){++s.times;const i={eventMap:this.eventMap,matrixH:this.matrixH,matrixV:this.matrixV,actionAccessing:this.actionAccessing,eventTendencies:t},r=this.pathRoot.deduce(i,s);if(r.credits=this.quota-s.credits,r.times=s.times,this.evaluateSolution(r),this.logger.debug("loss:",r.loss),e=!e||r.losse/s.times)),e}evaluateSolution(e){e.loss=0;const t=e.events.reduce((e,t)=>({...e,[t.id]:{...t,...this.eventMap[t.id]}}),{}),s=e.events.filter(e=>Number.isFinite(e.tick)).map(e=>t[e.id]),i=s.reduce((e,t)=>(e[t.staff]=e[t.staff]||[],e[t.staff].push(t),e),{});Object.values(i).forEach(t=>{t.sort((e,t)=>e.x-t.x).slice(0,t.length-1).forEach((s,i)=>{t[i+1].tick{if(Number.isFinite(s.tick)&&!e.voices.every(e=>!e.includes(s.id))||(e.loss+=100*t[s.id].confidence),s.timeWarp){const{numerator:e,denominator:i}=s.timeWarp,n=t[s.id].shrinkness;r.set(e,Math.max(r.get(e)||0,1-n)),r.set(i,Math.max(r.get(i)||0,1-n))}});const n=Oe(e.duration,this.eventMap[0].duration);r.set(n.numerator,Math.max(r.get(n.numerator)||0,1-this.eventMap[0].shrinkness)),r.set(n.denominator,Math.max(r.get(n.denominator)||0,1-this.eventMap[0].shrinkness));for(const[t,s]of r.entries())t>1&&(e.loss+=Math.log(t)*s);let a=0,o=0;e.voices.forEach(s=>{console.assert(t[s[0]],"invalid voice:",s,Object.keys(t));const i=Math.abs(t[s[0]].tick),r=t[s[s.length-1]].endTick;a+=Math.max(0,i+e.duration-r);let n=null;s.forEach(e=>{const s=t[e];s.staff!==n&&(null!==n&&++o,n=s.staff)})}),e.loss+=10*a/ms,e.loss+=5**o-1;const c=[...s].sort((e,t)=>e.x-t.x),l=c.slice(1).map((t,s)=>{const i=c[s],r=t.x-i.x,n=t.tick-i.tick;if(!n)return r/this.xSpan;return(4*Math.atan2(n/e.duration,r/this.xSpan)/Math.PI-1)**2}),u=Math.max(...l,0);e.loss+=u**2,console.assert(e.loss>=0,"Invalid solution loss!!!",e.loss,r,a,o),e.loss<0&&(e.loss=1/0)}}class PatchMeasure extends SimpleClass{constructor(e){super(),Object.assign(this,e)}get staffN(){return Math.floor(Math.log2(this.staffMask))+1}get basics(){return Array(this.staffN).fill(this.basic)}get duration(){return Math.max(0,...this.voices.map(e=>e.map(e=>this.events.find(t=>t.id===e)).reduce((e,t)=>e+t.duration,0)))}}PatchMeasure.className="PatchMeasure",function(e){e[e.PAD=0]="PAD",e[e.BOS=1]="BOS",e[e.EOS=2]="EOS",e[e.CHORD=3]="CHORD",e[e.REST=4]="REST"}(ps||(ps={}));class EventCluster extends SimpleClass{constructor(e){super(),super.assign(e)}get regular(){return this.elements.some(e=>[ps.CHORD,ps.REST].includes(e.type)&&!e.fake)&&this.elements.every(e=>[e.x,e.y1,e.y2,e.tick].every(Number.isFinite))&&this.elements.slice(1).every((e,t)=>e.fake||this.elements[t].fake||e.grace||this.elements[t].grace||e.fullMeasure||this.elements[t].fullMeasure||e.tick<=this.elements[t].tick||e.x>this.elements[t].x)}get grant(){return this.annotation&&this.annotation.grant}get feature(){return{index:this.index,elements:this.elements}}get estimatedDuration(){const e=this.elements.find(e=>e.type===ps.EOS),t=e?.predisposition?e.predisposition?.tick:e?.tick;return Number.isFinite(t)?t:this.duration}assignPrediction(e){console.assert(e.index===this.index,"index mismatch:",e.index,this.index),this.matrixH=e.matrixH,e.elements.forEach(e=>{const{index:t,...s}=e,i=this.elements.find(e=>e.index===t);console.assert(i,"element not found:",t),i&&(i.predisposition=s)})}}EventCluster.className="EventCluster",EventCluster.blackKeys=["id"];class EventClusterSet extends SimpleClass{constructor(e){super(),super.assign(e)}trimIrregular(){let e=0;return this.clusters=this.clusters.filter(t=>{const s=t.regular;return s||(console.debug("irregular cluster:",t),++e),s}),e?console.debug("Irregular clusters trimmed:",`${e}/${this.clusters.length+e}`):console.debug(`The EventClusterSet (${this.clusters.length}) is fine.`),e}}EventClusterSet.className="EventClusterSet",function(e){e.computeMeasureTicks=e=>{const t=(e=>{const t=new Map;return e.rows.forEach(e=>{if(1===e.events.length){const t=e.events[0];t.rest&&0===t.division&&(t.rest="R")}}),e.events.forEach(e=>{const s=Math.round(10*e.pivotX)/10;let i=0;i=e.fullMeasureRest?Math.min(s,...t.keys()):[...t.keys()].find(s=>{const i=t.get(s),r=Math.min(...i.map(e=>e.left)),n=Math.max(...i.map(e=>e.right));return Math.min(n,e.right)-Math.max(r,e.left)>.62*w.NoteheadS1})||s,e.roundX=i;const r=t.get(i)||[];t.set(i,r),r.push(e)}),t})(e);let s=0;const i=new Set([s]),r=[...t.entries()].sort(([e],[t])=>e-t);for(const[e,t]of r)t.forEach(e=>{e.predisposition&&(e.rest=e.rest&&e.predisposition.fullMeasure>.5?"R":e.rest,e.grace=e.predisposition.grace?Ve.Grace:null,e.division=$e(e.predisposition.divisionVector),e.dots=$e(e.predisposition.dotsVector),e.predisposition.timeWarped>.5&&(e.timeWarp=_e(2,3))),e.fullMeasureRest?e.tick=0:(e.zeroHolder&&(s-=e.duration),!e.zeroHolder&&e.predisposition&&Number.isInteger(e.predisposition.tick)?e.tick=e.predisposition.tick:e.tick=s,i.add(e.tick+e.duration))}),i.delete(s),i.size&&(s=Math.min(...i));Number.isInteger(e.estimatedDuration)?e.duration=e.estimatedDuration:e.duration=Math.max(...i,0)},e.computeMeasureVoices=e=>{e.voices=[];for(const t of e.rows){const s=t.events.filter(e=>!(e.grace||e.tremoloCatcher||e.fullMeasureRest||e.predisposition&&e.predisposition.fake>.5)),i=new Set(s);for(;i.size;){let t=0;const r=[],n=e=>{r.push(e.id),e.zeroHolder||(t+=e.duration),i.delete(e)},a=s.find(e=>i.has(e));for(a.alignedTick>0&&(t=a.alignedTick),n(a);;){const e=s.find(e=>i.has(e)&&e.alignedTick===t);if(!e)break;n(e)}e.voices.push(r)}}}}(gs||(gs={}));var ys;!function(e){const t=1921920,s=.7071067811865475,i=[[null,null],[null,ze.Open],[ze.Open,ze.Continue],[ze.Open,ze.Close],[ze.Continue,ze.Continue],[ze.Continue,ze.Close],[ze.Close,null],[ze.Close,ze.Open]].map(e=>e.join("-")),r=(e,t)=>{if(!e.events.length)return{events:[],voices:[],duration:0};return new Solver(e,t).solve()};e.estiamteMeasure=e=>{const r=e.events.filter(e=>!e.zeroHolder).map(s=>({id:s.id,staff:s.staff,x:s.x,tickEstimated:s.predisposition&&Number.isFinite(s.predisposition.tick)?s.predisposition.tick:s.x,tipX:s.tipX,y:s.tipY+100*s.staff,duration:s.mainDuration*t/je,division:s.division,dots:s.dots,stemDirection:s.stemDirection,beam:s.beam,rest:s.rest,pR:"R"===s.rest?1:"r"===s.rest&&0===s.division?Math.tanh(s.x-e.eventStartX):0,fakeP:s.predisposition&&s.predisposition.fakeP||0,shrinkness:s.predisposition?s.predisposition.timeWarped:null}));let n=t*e.timeSignature.numerator/e.timeSignature.denominator;Number.isFinite(e.estimatedDuration)&&(n=Math.max(n,Ne(e.estimatedDuration,480480)));const a=e.staffGroups.reduce((e,t,s)=>(t.forEach(t=>e[t]=s),e),{}),o=[0,...r.map(e=>e.id)],c=r.map(t=>({...t,id:o.indexOf(t.id),x:t.x-e.startX,confidence:(1-t.pR)*(1-t.fakeP),shrinkness:Number.isFinite(t.shrinkness)?t.shrinkness:Math.tanh((t.division-.1*t.dots)/4),staffGroup:a[t.staff]})),l=Array(o.length+1).fill(null).map(()=>Array(o.length).fill(0)),u=Array(o.length).fill(null).map(()=>Array(o.length).fill(0)),h=e=>S.default(e/1.6)*S.default(1.6/e);for(const t of c){for(const e of c){if(u[t.id][e.id]=t!==e&&t.tickEstimated>=e.tickEstimated?1-S.default((t.tickEstimated-e.tickEstimated)*s/.6):0,t.staffGroup!==e.staffGroup)l[t.id][e.id]=0;else if(t.x<=e.x)l[t.id][e.id]=0;else{const s=Math.exp(2*-Math.abs(t.staff-e.staff)),i=t.staff===e.staff?Math.exp(-Math.abs(t.y-e.y)/16):1,r=t.x-e.x,n=t.tipX-e.tipX;l[t.id][e.id]=(s*i*Math.min(h(r),h(n)))**(1/3)}const r=(1-t.pR)*(1-e.pR);u[t.id][e.id]*=r,l[t.id][e.id]*=r,u[t.id][e.id]<.01&&(u[t.id][e.id]=0),t.stemDirection&&e.stemDirection&&t.stemDirection!==e.stemDirection&&(l[t.id][e.id]*=.9),t.rest||e.rest||i.includes([e.beam,t.beam].join("-"))||(l[t.id][e.id]*=.2)}l[o.length][t.id]=h(e.width-t.x)**(1/3)}return{ids:o,events:c,expectedDuration:n,measureShrinkness:0,endX:e.position.right,matrixH:l,matrixV:u}},e.regulateMeasure=async(s,{solver:i=null,...n})=>{const a=e.estiamteMeasure(s),{ids:o,matrixH:c,matrixV:l}=a;if(s.matrixH){console.assert(s.matrixH.length>o[o.length-1]&&s.matrixH[0].length>o[o.length-1],"matrix shape mismatch:",o.length,`${s.matrixH.length}x${s.matrixH[0].length}`,`${c.length}x${c[0].length}`);for(let e=0;ee.forEach((e,i)=>{const r=s.matrixV[o[t]][o[i]];Number.isFinite(r)&&(l[t][i]=r)})),Number.isFinite(s.estimatedDuration)&&(a.measureShrinkness=Math.tanh(-3*Math.log(Math.min(1,s.estimatedDuration/s.duration)))),n.logger&&n.logger.info("--- MEASURE",s.measureIndex,"---",a);const u=i?await i(a,n):r(a,n),h=u.events.map(e=>({...e,id:a.ids[e.id]}));h.forEach(e=>{const i=s.events.find(t=>t.id===e.id);i.tick=Number.isFinite(e.tick)?Math.round(e.tick*je/t):null,i.tickGroup=e.tickGroup,i.timeWarp=e.timeWarp}),s.duration=Math.round(u.duration*je/t),s.voices=u.voices.map(e=>e.map(e=>a.ids[e])),s.solutionStat={loss:u.loss,solverCredits:u.credits,solverTimes:u.times},s.events.forEach(e=>{const t=h.find(t=>t.id===e.id);t&&(Number.isFinite(t.tick)||"r"!==e.rest||0!==e.division?"R"===e.rest&&(e.tick=0,e.tickGroup=0,e.duration=s.duration,s.voices.push([e.id])):(e.tick=0,e.tickGroup=0,e.rest="R",e.duration=s.duration,s.voices.push([e.id])))})},e.regulateMeasureWithRectification=async(e,i,{solver:n=null,...a})=>{const o=e.events.filter(e=>!e.zeroHolder).map(s=>{const r=i.events.find(e=>e&&e.id===s.id),n=Number.isFinite(r?.division)?r.division:s.division,a=Number.isFinite(r?.dots)?r.dots:s.dots,o=t*2**-n*(2-2**-a);return{id:s.id,staff:s.staff,x:s.x,tickEstimated:s.predisposition?.tick,y:s.tipY+100*s.staff,duration:o,pR:"R"===s.rest?1:"r"===s.rest&&0===s.division?Math.tanh(s.x-e.eventStartX):0,fakeP:s.predisposition&&s.predisposition.fakeP||0,shrinkness:s.predisposition?.timeWarped||0}});let c=t*e.timeSignature.numerator/e.timeSignature.denominator;Number.isFinite(e.estimatedDuration)&&(c=Math.max(c,Ne(e.estimatedDuration,480480)));const l=e.staffGroups.reduce((e,t,s)=>(t.forEach(t=>e[t]=s),e),{}),u=[0,...o.map(e=>e.id)],h=o.map(t=>({...t,id:u.indexOf(t.id),x:t.x-e.startX,confidence:(1-t.pR)*(1-t.fakeP),shrinkness:t.shrinkness,staffGroup:l[t.staff]})),m=Array(u.length+1).fill(null).map(()=>Array(u.length).fill(0)),f=Array(u.length).fill(null).map(()=>Array(u.length).fill(0));for(const e of h)for(const t of h){f[e.id][t.id]=e!==t&&e.tickEstimated>=t.tickEstimated?1-S.default((e.tickEstimated-t.tickEstimated)*s/.6):0;const i=(1-e.pR)*(1-t.pR);f[e.id][t.id]*=i,f[e.id][t.id]<.01&&(f[e.id][t.id]=0)}console.assert(e.matrixH&&e.matrixH.length>u[u.length-1]&&e.matrixH[0].length>u[u.length-1],"matrix shape mismatch:",u.length,`${e.matrixH.length}x${e.matrixH[0].length}`,`${m.length}x${m[0].length}`);for(let t=0;t{const a=i.events.find(t=>t&&t.id===e),o=Number.isFinite(s)?Math.round(s*je/t):s;return{id:e,tick:o,tickGroup:r,timeWarp:n,division:a?.division,dots:a?.dots}}),x=Math.round(g.duration*je/t);return{events:v,voices:g.voices,duration:x,priority:y}}}(ys||(ys={}));class SpartitoMeasure extends SimpleClass{static reorderEvents(e,t){const s=[],i=e.map(e=>({id:e.id,staff:e.staff,x:e.x/.7,rx:0,ry:t[e.staff]+e.tipY,tipY:e.tipY,prior:0}));i.sort((e,t)=>e.x-t.x),i.slice(1).forEach((e,t)=>{const s=Math.min(Math.round(e.x-i[t].x),2);e.rx=i[t].rx+s}),i.forEach(e=>{e.prior=1e4*e.staff+e.rx+.01*e.tipY,s.includes(e.ry)||s.push(e.ry)}),i.sort((e,t)=>e.prior-t.prior),s.sort((e,t)=>e-t);let r=0;const n=s.map((e,t)=>(!t||s[t]-s[t-1]<.5||++r,r)),a=i.map(t=>new EventTerm({...e.find(e=>e.id===t.id),intX:t.rx,intY:n[s.indexOf(t.ry)]}));return a.forEach((e,t)=>e.id=t+1),a}constructor(e){super(),super.assign(e),this.originalRegulationHash||this.regulated||(this.originalRegulationHash=this.regulationHash),this.barTypes=this.barTypes||{},this.regulated&&this.position&&this.postRegulate()}get timeSignature(){return this.basics&&this.basics[0].timeSignature}get keySignature(){return this.basics&&this.basics[0].keySignature}get timeSignatureChanged(){return this.contexts.filter(Boolean)[0].some(e=>[Ue.TimeSignatureC,Ue.TimeSignatureN].includes(e.type))}get doubtfulTimesig(){return this.basics&&this.basics[0].doubtfulTimesig}get regulated(){return!!this.voices}get validRegulated(){return!!this.voices&&this.voices.flat(1).every(e=>Number.isFinite(this.events.find(t=>t.id===e)?.tick))}get rows(){return this.contexts.map((e,t)=>({events:this.events.filter(e=>e.staff===t),contexts:e}))}get eventStartX(){return this.events.length?Math.min(...this.events.map(e=>e.x)):this.startX}get startX(){return this.position.left}get width(){return this.position.right-this.position.left}get tickMap(){return this.events.concat([this.endEvent]).filter(Boolean).reduce((e,t)=>(Number.isFinite(t.tick)&&(e.has(t.tick)||e.set(t.tick,[]),e.get(t.tick).push(t)),e),new Map)}get tickToX(){return[...this.tickMap.entries()].reduce((e,[t,s])=>{if((s=s.filter(e=>!e.fullMeasureRest&&!e.grace)).length){const i=Math.min(...s.map(e=>e.x));e[t]=i}return e},{})}get tickRates(){const e=this.events.filter(e=>Number.isFinite(e.tick)&&!e.fullMeasureRest);return e.sort((e,t)=>e.x-t.x),e.slice(0,e.length-1).map((t,s)=>{const i=e[s+1];return(i.tick-t.tick)/Math.max(i.x-t.x,.001)})}get tickRatesInStaves(){const e=this.events.filter(e=>Number.isFinite(e.tick)&&!e.fullMeasureRest&&!e.grace).reduce((e,t)=>(e[t.staff]=e[t.staff]||[],e[t.staff].push(t),e),{}),t=Object.values(e).map(e=>e.sort((e,t)=>e.x-t.x).slice(0,e.length-1).map((t,s)=>{const i=e[s+1];return(i.tick-t.tick)/Math.max(i.x-t.x,.001)}));return[].concat(...t)}get tickRatesInGroups(){const e=this.events.filter(e=>Number.isFinite(e.tick)&&!e.fullMeasureRest).reduce((e,t)=>{const s=this.staffGroups.findIndex(e=>e.includes(t.staff));return e[s]=e[s]||[],e[s].push(t),e},{}),t=Object.values(e).map(e=>e.sort((e,t)=>e.x-t.x).slice(0,e.length-1).map((t,s)=>{const i=e[s+1];return(i.tick-t.tick)/Math.max(i.x-t.x,.001)}));return[].concat(...t)}get tickTwist(){if(!this.duration||!this.staffGroups)return;const e=this.events.filter(e=>Number.isFinite(e.tick)&&!e.fullMeasureRest&&!e.grace&&!e.tremoloCatcher&&!(e.rest&&0===e.division)).reduce((e,t)=>{const s=this.staffGroups.findIndex(e=>e.includes(t.staff));return e[s]=e[s]||[],e[s].push(t),e},{}),t=Object.values(e).map(e=>{const t=[...e].sort((e,t)=>e.pivotX-t.pivotX),s=this.position.right-t[0].x,i=t.slice(1).map((e,i)=>{const r=t[i],n=e.pivotX-r.pivotX,a=e.tick-r.tick;if(!a)return n/s;return(4*Math.atan2(a/this.duration,n/s)/Math.PI-1)**2});return Math.max(0,...i)});return Math.max(0,...t)}get eventMap(){return this.events.reduce((e,t)=>(e[t.id]=t,e),{})}get empty(){return!this.events?.length||!this.voices?.length}get hasIllEvent(){return this.regulated&&this.events.some(e=>!e.zeroHolder&&!Number.isFinite(e.tick)&&!e.fullMeasureRest)}get brief(){return[`${this.timeSignature.numerator}/${this.timeSignature.denominator}`,...this.events.map(e=>[e.staff,e.intX,Math.round(e.tip?e.tip.y:e.ys?.[0]??0),e.fullMeasureRest?0:e.division,e.fullMeasureRest?0:e.dots,e.rest?"r":"",e.grace||"",e.stemDirection,e.beam||""].join("|"))].join("\n")}get regulationHash(){return y.default(this.brief)}get regulationHash0(){return this.originalRegulationHash||this.regulationHash}get regulationHashes(){return Array.from(new Set([this.originalRegulationHash,this.regulationHash].filter(Boolean)))}get featureWords(){if(!this.regulated||!this.voices||!this.voices.length)return null;const e=this.tickRatesInStaves.some(e=>e<0),t=this.events.filter(e=>!e.zeroHolder&&!e.rest).map(e=>e.ys).flat(1).map(e=>"Y"+2*-e),s=Array.from(new Set(t));this.keySignature&&s.push(`K${this.keySignature}`);const i=this.voices.map(e=>e.map(e=>this.events.find(t=>t.id===e)).filter(e=>!e.zeroHolder&&!e.rest)).filter(e=>e.length),r=e?[]:i.map(e=>e.map(e=>e.scaleChord).join("-")),n=e?[]:i.map(e=>e.map(e=>e.division).join(""));return this.timeSignature&&n.push(`T${this.timeSignature.numerator}/${this.timeSignature.denominator}`),[s,r,n]}get barType(){if(this.voltaEnd)return"VoltaRight";const e=Object.entries(this.barTypes).sort((e,t)=>t[1]-e[1]);return e[0]&&e[0][1]>=1?e[0][0]:null}get partialDuration(){if(!Number.isFinite(this.duration))return!1;const e=Ae(je,this.timeSignature);return this.duration{const t=e.events.filter(e=>e.grace);if(!t.length)return;const s=[...e.tickMap.entries()].reduce((e,[t,s])=>(s.forEach(s=>{if(!s.grace){e[s.staff]=e[s.staff]||{};const i=e[s.staff][t];e[s.staff][t]=!i||i.x>s.x?s:i}}),e),{}),i=Object.entries(s).reduce((t,[s,i])=>{t[s]=Object.entries(i).map(([e,t])=>({event:t,tick:Number(e),preTick:-240,graces:[]})).sort((e,t)=>e.event.x-t.event.x),t[s].push({tick:e.duration,event:e.endEvent,preTick:0,graces:[]});let r=0;return t[s].forEach(e=>{e.tick>r&&(e.preTick=r,r=e.tick)}),t},{});t.forEach(e=>{const t=i[e.staff];if(t){const s=t.find(t=>t.event.x>e.x);s&&s.graces.push(e),e.roundX=e.x}}),Object.values(i).forEach(e=>e.forEach(e=>{if(e.graces.length){e.event.graceIds=e.graces.map(e=>e.id);const t=e.graces.reduce((e,t)=>e+t.duration,0),s=Math.min(t,e.tick-e.preTick)/t;let i=e.tick;[...e.graces].reverse().forEach(e=>{e.tick=Math.round(i-e.duration*s),i=e.tick})}}))})(this),(e=>{const t=e.events.filter(e=>e.tremoloCatcher&&!e.grace),s=e.events.filter(e=>e.tremoloLink===qe.Pitcher&&!e.grace);t.forEach(t=>{let i=s.filter(e=>e.division===t.division&&e.xNumber.isFinite(e.tick)&&!e.grace&&!e.rest&&e.division===t.division&&e.dots===t.dots&&e.xt.x-e.x),i.length){const e=i[0];e.catcherId=t.id;const r=Math.max(e.tremolo||3,t.tremolo||3);e.tremolo=r,t.tremolo=r,t.tick||(t.tick=e.tick+e.duration/2);const n=s.indexOf(e);n>=0&&s.splice(n,1)}})})(this),this.updateContextTick()}updateRoundX(){const e=this.tickToX;e&&this.events.forEach(t=>{const s=e[t.tick];Number.isFinite(s)&&(t.roundX=s)})}updateContextTick(){if(!this.staffGroups)return;const e=this.contexts.flat(1);this.staffGroups.flat(1).forEach(t=>{const s=[...this.events.filter(e=>e.staff===t),...e.filter(e=>e.staff===t)];s.sort((e,t)=>t.x-e.x);let i=this.duration;s.forEach(e=>{e instanceof EventTerm?e.fullMeasureRest||e.zeroHolder||(i=e.tick):e instanceof ContextedTerm&&(e.tick=i)})})}asSolution(e=void 0){return this.regulated?{events:this.events.map(t=>{const s={id:t.id,tick:t.tick,tickGroup:t.tickGroup,timeWarp:t.timeWarp};if(e){const i=e.events.find(e=>e.id===t.id);i&&(t.division!==i.division&&(s.division=t.division),t.dots!==i.dots&&(s.dots=t.dots),t.grace!==i.grace&&(s.grace=!!t.grace),t.beam!==i.beam&&(s.beam=t.beam),t.fullMeasureRest!==i.fullMeasureRest&&(s.fullMeasure=t.fullMeasureRest))}return s}),voices:this.voices,duration:this.duration,priority:-this.solutionStat?.loss}:null}applySolution(e){e.timeSignature&&this.basics.forEach(t=>{t.timeSignature=e.timeSignature,t.doubtfulTimesig=!1}),this.voices=e.voices,this.duration=e.duration,this.events.forEach(t=>{t.timeWarp=null,t.tick=null,t.tickGroup=null;const s=e.events?.find(e=>e.id===t.id);s&&(t.tick=s.tick,t.timeWarp=s.timeWarp,t.tickGroup=s.tickGroup,Number.isFinite(s.division)&&(t.division=s.division),Number.isFinite(s.dots)&&(t.dots=s.dots),s.beam&&(t.beam=s.beam),void 0!==s.grace&&(t.grace=s.grace?Ve.Grace:void 0),s.fullMeasure&&(t.rest="R"))}),Number.isFinite(e.priority)&&(this.solutionStat={loss:-e.priority}),this.postRegulate()}cleanupRegulation(){this.voices=null,this.duration=null,this.events.forEach(e=>{e.tick=null,e.tickGroup=null,e.timeWarp=null})}regulateTest(){this.duration=0,this.voices=this.rows.map(e=>e.events.map(e=>e.id)),this.voices.forEach(e=>{let t=0;e.map(e=>this.events.find(t=>t.id===e)).forEach((e,s)=>{e.tickGroup=s,e.tick=t,t+=e.duration}),this.duration=Math.max(this.duration,t)})}regulateSimple(){gs.computeMeasureTicks(this),gs.computeMeasureVoices(this)}async regulateEquations(e){await ys.regulateMeasure(this,e)}async regulate({policy:e="advanced",...t}={}){switch(e){case"test":this.regulateTest();break;case"equations":case"advanced":await this.regulateEquations(t);break;default:this.regulateSimple()}this.postRegulate()}createPatch(){return new PatchMeasure({measureIndex:this.measureIndex,staffMask:this.staffMask,basic:this.basics[0],events:this.events,contexts:this.contexts,marks:this.marks,voices:this.voices})}createClusters(){const e=this.voices&&new Set(this.voices.flat(1));return this.staffGroups.filter(e=>e.length).map(t=>{const s=this.position.staffYs[0],i=e=>this.position.staffYs[t.indexOf(e)]-s,r=this.events.filter(e=>t.includes(e.staff));if(!r.length)return null;const n=r.map(s=>({index:s.id,voice:(this.voices||[]).findIndex(e=>e.includes(s.id)),type:s.rest?ps.REST:ps.CHORD,staff:t.indexOf(s.staff),x:s.tipX,pivotX:s.pivotX,y1:i(s.staff)+("u"===s.stemDirection?s.tipY:s.ys[s.ys.length-1]),y2:i(s.staff)+("u"===s.stemDirection?s.ys[0]:s.tipY),headY:"u"===s.stemDirection?s.ys[0]:s.ys[s.ys.length-1],feature:s.feature,division:s.division,dots:s.dots,beam:s.beam||null,stemDirection:s.stemDirection,grace:!!s.grace,tremoloCatcher:s.tremoloCatcher,timeWarped:!!s.timeWarp,fullMeasure:s.fullMeasureRest,tick:s.tick||0,fake:!s.fullMeasureRest&&!s.grace&&this.voices&&!e.has(s.id)}));if(!n.some(e=>!e.fake))return null;const a=Ae(je,this.timeSignature);n.unshift({index:0,type:ps.BOS,staff:null,division:null,beam:null,dots:null,stemDirection:null,grace:!1,tremoloCatcher:!1,fullMeasure:!1,x:this.position.left,pivotX:this.position.left,y1:0,y2:0,headY:0,feature:null,timeWarped:this.durationn.map(()=>0)),this.voices.forEach(e=>{let t=0;e.forEach(e=>{const s=n.findIndex(t=>t.index===e);s>0&&t>=0&&(o[s][t]=1),t=s}),t>=0&&(o[n.length-1][t]=1)}));const c={...this.solutionStat,patched:this.patched},l=this.backgroundImages&&this.backgroundImages.map(({url:e,position:t})=>({url:e,position:{...t,y:t.y-s}}));return new EventCluster({index:this.measureIndex,duration:this.duration,signatureDuration:a,staffY0:s,elements:n,matrixH:o,annotation:c,backgroundImages:l})}).filter(Boolean)}applyClusters(e){const t=this.events.reduce((e,t)=>Math.max(e,t.id),0)+1;this.matrixH=Array(t+1).fill(null).map(()=>Array(t).fill(0)),e.forEach(e=>{const s=e.elements.map(e=>e.index);console.assert(e.matrixH.length===s.length-1,"unexpected matrixH size:",e.matrixH.length,s.length);for(let i=1;i{const t=this.events.find(t=>t.id===e.index);t&&(t.predisposition=e.predisposition,void 0!==t.predisposition.grace&&(t.grace=t.predisposition.grace?Ve.Grace:null))})}),this.estimatedDuration=e.reduce((e,t)=>e+t.estimatedDuration,0)/e.length}}SpartitoMeasure.className="SpartitoMeasure",SpartitoMeasure.blackKeys=["staffGroups","solutionStat","measureNumber","deposit"];const vs=(e,t=!1)=>({empty:!0,duration:e.duration,tickMap:{0:EventTerm.space({duration:e.duration,tick:0})},timeSignature:e.timeSignature,timeSigNumeric:e.timeSigNumeric,keySignature:e.keySignature,contextedTerms:e.terms.filter(e=>e instanceof ContextedTerm&&(!e.staffLevel||t)),marks:[]}),xs=e=>{const t=[].concat(...e.measures.map(e=>Object.values(e.tickMap).filter(e=>e instanceof EventTerm)));for(let e=1;ee.type===B.SlurBegin)&&i.accessories.some(e=>e.type===B.SlurEnd)){const e=s.pitches.filter(e=>i.pitches.some(t=>t.note===e.note&&t.alter===e.alter));e.length>0&&(s.tying=!0,i.tied=!0,e.forEach(e=>{e.tying=!0;i.pitches.find(t=>t.note===e.note&&t.alter===e.alter).tied=!0}),e.forEach(()=>{const e=s.accessories.findIndex(e=>e.type===B.SlurBegin);e>=0&&s.accessories.splice(e,1);const t=i.accessories.findIndex(e=>e.type===B.SlurEnd);t>=0&&i.accessories.splice(t,1)}))}}};class Spartito extends SimpleClass{constructor(e){super(),super.assign(e),this.measures.forEach(e=>e.staffGroups=this.staffGroups)}get regulated(){return this.measures.every(e=>e.regulated)}get solidMeasureCount(){return this.measures.filter(e=>!e.empty).length}get measureIndexMapping(){let e=0;return this.measures.map(t=>t.empty?null:e++)}get headBPM(){for(const e of this.measures)if(e.marks){const t=e.marks.find(e=>e instanceof TempoTerm&&e.isValid());if(t)return t.bpm}return null}get measureLayoutCode(){const e=this.measures.filter(e=>!e.empty).map((e,t)=>({index:t+1,vb:e.voltaBegin,ve:e.voltaEnd,alter:e.alternative,leftSign:"",rightSign:""}));return e.forEach((t,s)=>{if(t.vb){const i=e.slice(s+1).findIndex(e=>e.vb),r=i>=0?s+i:e.length;e.slice(s,r-1).some(e=>e.ve)&&(t.leftSign="2*[")}if(t.ve){const i=e.slice(0,s+1).reverse(),r=i.slice(1).findIndex(e=>e.ve);if(r>=0&&!i.slice(1,r+1).some(e=>e.vb))return;if(t.alter){const r=i.findIndex(e=>!e.alter);r>0&&(i[r].rightSign="]",i[r-1].leftSign="{[",t.rightSign="],",e[s+1]&&(e[s+1].rightSign="},"))}else t.rightSign="],";i.some(e=>e.vb)||(e[0].leftSign="2*[")}}),e.map(e=>e.leftSign+e.index.toString()+e.rightSign+(e.rightSign?"":",")).join(" ").replace(/,$/,"")}get qualityScore(){const e=this.measures.filter(e=>!e.empty),t=e.map(Ke).map(e=>e.qualityScore).reduce((e,t)=>e+t,0);return e.length?t/e.length:null}dumpEvaluations(){const e=this.measures.filter(e=>!e.empty).map(e=>({measureIndex:e.measureIndex,...Ke(e)})),t=e.map(e=>e.qualityScore).reduce((e,t)=>e+t,0);console.log("qualityScore:",t/e.length),console.table(e)}regulate(e={}){this.measures.forEach(t=>t.regulated||t.regulate(e))}cleanupRegulation(){this.measures.forEach(e=>e.voices=null)}rectifyTimeSignatures(e=new DummyLogger){const t=this.measures.map((e,t)=>({measure:e,index:t})).filter(({measure:e,index:t})=>!t||e.timeSignatureChanged).map(({index:e})=>e);t.map((e,s)=>this.measures.slice(e,se.filter(e=>e.estimatedDuration>0)).filter(e=>e.length>=3||e.some(e=>e.doubtfulTimesig)).forEach(t=>{if(t[0].patched){const s=t[0].timeSignature,i=t.slice(1).filter(e=>!e.patched&&Be(e.timeSignature)!==Be(s));if(i.length){const t=i[0].timeSignature;i.forEach(e=>e.basics.forEach(e=>e.timeSignature=s)),e.info("[rectifyTimeSignatures]\ttimesignator overwrote by patched head:",`${Be(t)} -> ${Be(s)}`,i.map(e=>e.measureIndex))}return}const s=t[0].timeSignature,i=Number.isInteger(Math.log2(s.denominator));let r=i?4:8;i&&(r=Math.max(r,t[0].timeSignature.denominator));const n=t.map(e=>Math.round(e.estimatedDuration*r/je)),a=Object.entries(n.reduce((e,t)=>(e[t]=(e[t]||0)+1,e),{})).sort((e,t)=>t[1]-e[1]),o=a[0][1],c=a.filter(([e,t])=>t>.6*o).reduce((e,t)=>Number(t[0])>Number(e[0])?t:e);if(c[1]>1){let n=Number(c[0]);if(!i||s.denominator*n!==s.numerator*r){if(i&&r!==s.denominator){const e=n*s.denominator/r;Number.isInteger(e)&&(n=e,r=s.denominator)}const a=t.filter(e=>!e.patched),o=_e(n,r);a.forEach(e=>e.basics.forEach(e=>e.timeSignature=o)),e.info("[rectifyTimeSignatures]\ttimesignator overwrote by estimation:",`${Be(s)} -> ${n}/${r}`,a.map(e=>e.measureIndex))}}})}makeVoiceStaves(){this.regulate();const e=Math.max(...this.measures.map(e=>e.voices.length));if(!e||!Number.isFinite(e))return null;this.measures.filter(e=>e.patched).forEach(e=>{e.events.forEach(e=>{e.tied&&e.pitches.forEach(e=>e.tied=!0)})});const t=this.measures.map(t=>{console.assert(t.validRegulated,"[makeVoiceStaves] measure is invalid:",t);const s={};t.events.forEach(e=>s[e.id]=e);const i=new Set(Array(t.contexts.length).fill(null).map((e,t)=>t));let r=null;if(t.barType)switch(t.barType){case"Segment":r="||";break;case"Terminal":r="|."}const n=t.voices.map(e=>{const n=e.map(e=>s[e]);n.sort((e,t)=>e.tick-t.tick);const a={};let o=0,c=null;for(const e of n)Number.isFinite(e?.tick)?(e.tick>o?a[o]=EventTerm.space({tick:o,duration:e.tick-o}):!e.grace&&e.tick{const s=t.eventMap[e];s&&(a[s.tick]=s)}))):console.warn("invalid event tick:",e);t.endEvent&&t.endEvent.graceIds&&t.endEvent.graceIds.forEach(e=>{const s=t.eventMap[e];!s||c&&s.staff!==c.staff||(a[s.tick]=s)}),ot.duration&&Number.isFinite(t.duration)&&(c.timeWarp=Oe(t.duration-c.tick,c.duration)),console.assert(!c||!c.timeWarp||Number.isInteger(c.timeWarp.numerator)&&Number.isInteger(c.timeWarp.denominator),"invalid time warp:",c);const l=n[0]?n[0].staff:0;i.delete(l);const u=t.basics[l],h=t.contexts[l],m=n[n.length-1],f=m?m.staff:0;return{tickMap:a,duration:t.duration,...u,contextedTerms:h,marks:[],break:t.break,pageBreak:t.pageBreak,headStaff:l,tailStaff:f,bar:r}});for(;n.lengtht.headStaff!==e),o=vs({terms:r,duration:t.duration,...s,break:t.break,pageBreak:t.pageBreak},a);o.headStaff=e,o.tailStaff=e,n.push(o)}return n});t.forEach(e=>e.forEach(e=>{const t=[];e.empty||(t.push(`s${e.headStaff}`),t.push(`s${e.tailStaff}`)),Object.values(e.tickMap).forEach(e=>{if(e instanceof EventTerm){if(t.push(`s${e.staff}`),e.stemDirection){const s=`st${e.staff}-${e.stemDirection}`;t.push(s,s)}e.grace?t.push(`gd${e.mainDuration}`):t.push(`d${e.mainDuration}`),e.rest?t.push("r-"+e.rest):e.pitches.forEach(e=>{t.push(`p1-${e.note}`),t.push(`p8-${Math.round(e.note/8)}`)})}}),e.trait=HashVector.fromWords(t)}));const s=this.staffGroups.flat(1).reduce((e,t)=>(e[t]=this.staffGroups.findIndex(e=>e.includes(t)),e),{}),i=Array(e).fill(null).map((e,t)=>({vector:HashVector.zero,index:t,weight:0,headStaff:null}));t.forEach((e,t)=>{i.sort((e,t)=>t.weight-e.weight);const r=new Set(e);i.forEach(e=>{const i=[...r];let n=i[0];if(t>0&&i.length>1){const t=i.map(t=>s[t.headStaff]===s[e.headStaff]?ls(e.vector.toHash(),t.trait.toHash()):-1);n=i[$e(t)]}r.delete(n),n.voiceIndex=e.index,e.vector.scale(.4).add(n.trait),e.weight=Object.keys(n.tickMap).length,0===t&&(e.headStaff=n.headStaff)}),e.sort((e,t)=>e.voiceIndex-t.voiceIndex)});const r=Array(this.stavesCount).fill(null).map(()=>[]);i.forEach(e=>{r[e.headStaff].push(e.index)});const n=Array(this.stavesCount).fill(null).map((e,s)=>{if(!t[0])return{voices:[]};return{voices:r[s].map(e=>({mode:"relative",measures:t.map(t=>t[e])}))}});return(e=>{if(!e[0]||!e[0].voices[0])return void console.warn("empty voices:",e);const t=e[0].voices[0].measures.length;Array(t).fill(null).map((t,s)=>{for(const t of e)for(const e of t.voices)if(!e.measures[s].empty)return!1;return!0}).forEach((t,s)=>{t&&e.forEach(e=>e.voices.forEach(e=>{e.measures[s].tickMap={}}))})})(n),n.forEach(e=>e.voices.forEach(xs)),n}perform(){const e=this.makeVoiceStaves();if(!e)return null;const t=new Map,s=Array(this.stavesCount).fill(null).reduce((e,t,s)=>(e[s]=s,e),{}),i=[].concat(...e.map((e,t)=>e.voices.map(()=>s[t])));let r=!1,n=0,a=null;const o=this.measures.filter(e=>!e.empty).map(s=>{const{systemIndex:o,right:c}=s.position,l=s.measureIndex,u=[].concat(...e.map(e=>e.voices.map(e=>e.measures[l]))),h=u[0],m=n;n+=h.duration;const f=[].concat(...u.map((e,s)=>{const r=i[s],n=Object.values(e.tickMap).filter(e=>e instanceof EventTerm&&!e.rest).map(e=>{const s=Math.round(1*e.duration);console.assert(Number.isFinite(e.tick),"invalid event term tick:",e),console.assert(Number.isFinite(s),"invalid event term duration:",e),e.tick>=0&&e.noteIds.forEach(s=>{t.set(s,{system:o,measure:l,x:e.roundX,endX:c})});const i=this.staffGroups.findIndex(t=>t.includes(e.staff));return{tick:Math.round(1*e.tick),duration:s,pitches:e.pitches,noteIds:e.noteIds,part:i,staff:e.staff}});return[].concat(...n.map(e=>{const t=e.pitches.reduce((e,t)=>(e[Le(t)]=t,e),{});return Object.values(t).sort((e,t)=>e.note-t.note).filter(e=>!e.tied).map((t,s)=>{const i=Le(t),n=e.noteIds&&e.noteIds[s];return{tick:e.tick,pitch:i,duration:e.duration,chordPosition:{index:s,count:e.pitches.length},tied:t.tied,id:n,ids:[n],track:e.part,staff:e.staff,channel:r,subNotes:[{startTick:0,endTick:e.duration,pitch:i,velocity:127}]}})}))})),d=[];a=a||d,s.marks&&s.marks.forEach(e=>{if(e instanceof TempoTerm){const t=e.bpm;if(e.isValid()){const s=r?d:a,i=r?e.tick:0;s.push({track:0,ticks:i,data:{type:"meta",subtype:"setTempo",microsecondsPerBeat:Math.round(6e7/t)}}),r=!0}}});const p=s.basics[0];return{tick:m,duration:s.duration,notes:f,events:d,timeSignature:p&&p.timeSignature,keySignature:p&&p.keySignature}});r||o[0].events.push({track:0,ticks:0,data:{type:"meta",subtype:"setTempo",microsecondsPerBeat:5e5}});return{notation:new MetaNotation({measures:o}),tokenMap:t}}performByEstimation(){const e=new Map;let t=0;const s=this.measures.filter(e=>e.events.some(e=>e.predisposition)).map(s=>{const i=t,r=Math.round(s.estimatedDuration||Ae(je,s.timeSignature)),n=s.basics[0];t+=r;const{systemIndex:a,right:o}=s.position,c=s.measureIndex;return{tick:i,duration:r,notes:s.events.filter(e=>e.predisposition&&e.predisposition.fake<.5&&!e.rest).map(t=>{const s=Math.round(t.predisposition.tick);return t.noteIds.forEach(s=>{e.set(s,{system:a,measure:c,x:t.roundX,endX:o})}),t.pitches.map((e,i)=>{const r=Le(e),n=t.noteIds&&t.noteIds[i],a=this.staffGroups.findIndex(e=>e.includes(t.staff));return{tick:s,pitch:r,duration:t.duration,chordPosition:{index:i,count:t.pitches.length},tied:e.tied,id:n,ids:[n],track:a,staff:t.staff,channel:0,subNotes:[{startTick:0,endTick:t.duration,pitch:r,velocity:127}]}})}).flat(1),events:[],timeSignature:n&&n.timeSignature,keySignature:n&&n.keySignature}});return{notation:new MetaNotation({measures:s}),tokenMap:e}}featureHash(){const e=this.measures.slice(0,16).map(e=>e.featureWords),t=[1,4,16].map(t=>{const s=e.slice(0,t).filter(Boolean),i=s.map(e=>e[0]).flat(1),r=s.map(e=>e[1]).flat(1),n=s.map(e=>e[2]).flat(1),[a,o,c]=[i,r,n].map(HashVector.fromWords);return HashVector.concat(a,o.sub(128),c.sub(128))});return HashVector.concat(...t).toHash()}featureHashHex(){return e=this.featureHash(),Array.from(e).map(us).join("");var e}featureHashBigInt(){return e=this.featureHash(),Array.from(e).reduce((e,t)=>0x100n*e+BigInt(t),0n);var e}assignMeasureNumbers(){let e=null;for(const t of this.measures)(t.discard||t.events.length)&&(t.indent&&(e=null),Number.isFinite(e)||(e=t.partialDuration?0:1),t.measureNumber=e++)}}Spartito.className="Spartito";const Ss=[0,2,4,5,7,9,11],bs=e=>{let t=e%7;for(;t<0;)t+=7;return t},ks=e=>{let t=e%12;for(;t<0;)t+=12;return t},Ts={[-2]:"♭♭",[-1]:"♭",0:"♮",1:"♯",2:"𝄪"};class StaffContext{constructor(){this.logger=new DummyLogger,this.clef=-3,this.keyAlters=[],this.octaveShift=0,this.alters=[],this.timeSignature={numerator:4,denominator:4},this.timeSigNumeric=!1,this.timeSigNumSet=!1,this.timeSigDenSet=!1,this.doubtingTimesig=!0}change(e){switch(e.type){case Ue.Clef:this.clef=e.clef;break;case Ue.KeyAcc:this.keyAlters[bs(this.yToNote(e.y))]=e.alter;break;case Ue.Acc:this.alters[this.yToNote(e.y)]=e.alter;break;case Ue.OctaveShift:this.octaveShift=e.octaveShift;break;case Ue.TimeSignatureC:switch(this.timeSigNumeric=!1,e.tokenType){case"timesig-C44":this.timeSignature.numerator=4,this.timeSignature.denominator=4;break;case"timesig-C22":this.timeSignature.numerator=2,this.timeSignature.denominator=2}this.doubtingTimesig=this.partialTimeSignature;break;case Ue.TimeSignatureN:switch(this.timeSigNumeric=!0,e.y){case 1:this.timeSigDenSet?this.timeSignature.denominator=10*this.timeSignature.denominator+e.number:this.timeSignature.denominator=e.number,this.timeSigDenSet=!0;break;case-1:this.timeSigNumSet?this.timeSignature.numerator=10*this.timeSignature.numerator+e.number:this.timeSignature.numerator=e.number,this.timeSigNumSet=!0;break;default:this.logger.warn("unexpected time signature Y:",e.y)}this.doubtingTimesig=this.partialTimeSignature}}resetMeasure(){this.alters=[],this.timeSigNumSet=!1,this.timeSigDenSet=!1}resetSystem(){this.keyAlters=[]}get keySignature(){return this.keyAlters.filter(e=>Number.isInteger(e)).reduce((e,t)=>e+t,0)}get partialTimeSignature(){return!this.timeSigNumSet!=!this.timeSigDenSet}noteToY(e){return-e/2-this.clef-3.5*this.octaveShift}pitchToNote(e,{preferredAlter:t=null}={}){t||(t=this.keySignature<0?-1:1);const s=Math.floor((e-60)/12),i=ks(e),r=Ss.includes(i)?i:ks(i-t),n=Ss.indexOf(r);this.logger.assert(n>=0,"invalid preferredAlter:",e,t,r);const a=7*s+n,o=i-r,c=this.keyAlters[n]||0;return{note:a,alter:Number.isInteger(this.alters[a])?o:o===c?null:o}}pitchToY(e,{preferredAlter:t=null}={}){const{note:s,alter:i}=this.pitchToNote(e,{preferredAlter:t});return{y:this.noteToY(s),alter:i}}yToNote(e){return this.logger.assert(Number.isInteger(2*e),"invalid y:",e),2*(-e-3.5*this.octaveShift-this.clef)}alterOnNote(e){if(Number.isInteger(this.alters[e]))return this.alters[e];const t=bs(e);return Number.isInteger(this.keyAlters[t])?this.keyAlters[t]:0}noteToPitch(e){const t=Math.floor(e/7),s=bs(e),i=60+12*t+Ss[s]+this.alterOnNote(e);return Number.isFinite(i)?i:(this.logger.warn("invalid pitch value:",i,e,t,s),-1)}yToPitch(e){return this.noteToPitch(this.yToNote(e))}yToPitchName(e){const t=this.yToNote(e),s=Math.floor(t/7),i=bs(t);let r=this.alterOnNote(t);return r||Number.isInteger(this.alters[t])||(r=null),`${Ts[r]?Ts[r]:""}${"CDEFGAB"[i]}${s+4}`}}const ws=e=>e.reduce((e,t,s)=>t?e|1<{if(e.version<3){const{version:t,stavesCount:s,layoutTemplate:i,...r}=e;let n=s>1?Array(s-1).fill(",").join(""):"";2===s&&(n="{-}"),e={version:3,staffLayoutCode:n,...r}}return e.version<8&&(e.pages.forEach(e=>{e.systems.forEach(e=>{if(e.semantics){const t=e.semantics.filter(e=>e.semantic===g.vline_BarMeasure);e.semantics=[].concat(...e.staves.map(e=>{const s=e.top+e.staffY;return t.map(e=>({...e,y:e.y+s,extension:{...e.extension,y1:e.extension.y1+s,y2:e.extension.y2+s}}))}))}})}),e.version=8),e.version<9&&(e.spartito=null,e.version=9),e})(e)),this.pages=this.pages||[],this.headers=this.headers||{},this.instrumentDict=this.instrumentDict||{},this.pageSize=this.pageSize||{width:794,height:1122},this.unitSize=this.unitSize||null,this.staffLayoutCode=this.staffLayoutCode||(2===this.maxStavesCount?"{-}":Array(this.maxStavesCount).fill("").join(","))}get systems(){return[].concat(...this.pages.map(e=>e.systems))}get measureCount(){return this.systems.reduce((e,t)=>e+(t.measureCount||0),0)}get imageKeys(){return[...this.pages.map(e=>e.source?.url),...this.systems.map(e=>e.backgroundImage),...[].concat(...this.systems.map(e=>[...e.staves.map(e=>e.backgroundImage),...e.staves.map(e=>e.maskImage)].filter(Boolean)))].filter(Boolean)}get breakSystemIndices(){const e=[];let t=0;return this.pages.forEach((s,i)=>{ie.staves.length),0)}get sidBlackList(){const e=[].concat(...this.systems.map(e=>e.sidBlackList));return new Set(e)}get sidWhiteList(){const e=[].concat(...this.systems.map(e=>e.sidWhiteList));return new Set(e)}get semanticHash(){const e=[].concat(...this.systems.map(e=>[].concat(...e.staves.map(t=>t.semantics?e.qualifiedSemantics(t.semantics).map(e=>e.id):[]))));return y.default(e.join(""))}eventSystemsToTermStaves(e,t=new DummyLogger){const s=Array(this.maxStavesCount).fill(null).map((t,s)=>({rows:e.map((e,t)=>e.columns.map((i,r)=>{const n=i.rows[s];console.assert(n,"[eventSystemsToTermStaves] measure is null:",s,i.rows);const a=n.contexts;0===r&&(a.some(e=>e.type===Ue.OctaveShift)||a.unshift(new ContextedTerm({staff:s,x:0,y:0,tokenType:B.OctaveShift0,tick:0})));const o=[...n.events||[],...a].sort((e,t)=>e.x-t.x),c=0===s&&r===e.columns.length-1&&this.breakSystemIndices.includes(t);return{terms:o,duration:i.duration,pageBreak:c}}))}));return s.forEach(e=>((e,t=new DummyLogger)=>{const s=new StaffContext;s.logger=t;for(const t of e.rows){for(const e of t){const t=e.terms.find(e=>e instanceof EventTerm);let i=t?Math.min(t.tick,0):0;e.terms.forEach(e=>{if(e instanceof ContextedTerm)e.tick=i,s.change(e);else if(e instanceof EventTerm){const t=e.tick+(e.duration||0);t>i&&(i=t),e.ys&&(e.pitches=e.ys.map(e=>{const t=s.yToNote(e);return{note:t,alter:s.alterOnNote(t),octaveShift:s.octaveShift}}))}}),e.timeSignature={...s.timeSignature},e.timeSigNumeric=s.timeSigNumeric,e.doubtfulTimesig=s.doubtingTimesig||!Number.isInteger(Math.log2(e.timeSignature.denominator))||e.timeSignature.numerator<=e.timeSignature.denominator/4,e.keySignature=s.keySignature,0===e.duration&&(e.duration=je*e.timeSignature.numerator/e.timeSignature.denominator),s.resetMeasure()}s.resetSystem()}})(e,t)),s}resetPageLayout(e){const{unitSize:t=this.unitSize,pageSize:s=this.pageSize}=e,i=.5*s.width/t,r=.5*s.height/t;this.pages.forEach(e=>{const n=i-e.width/2,a=r-e.height/2;e.systems.forEach(e=>{e.left+=n,e.top+=a}),e.semantics&&e.semantics.forEach(e=>{e.x+=n,e.y+=a}),e.width=s.width/t,e.height=s.height/t,e.assemble({textAnnotations:this.textAnnotations})}),this.unitSize=t,this.pageSize=s}getMeasure(e){let t=e;for(const s of this.systems){if(te&&e.measures[t]);return{measureIndex:e,system:s,localIndex:t,left:r.left,right:r.right,measures:n}}t-=s.measureCount}return null}getRawCluster(e,t,{timeSignature:s}={}){const i=this.getMeasure(e);if(!i)return null;const{system:r,left:n,right:a}=i,o=[kt];s&&o.push(...Tt(s));const c=r.staves[0].top+r.staves[0].staffY-2;return r.staves.forEach(e=>{let s=r.qualifiedSemantics(e.semantics,t).filter(e=>e.x>n&&e.xe.semantic===g.TempoNotehead).forEach(e=>{const t=s.findIndex(t=>/^Notehead/.test(t.semantic)&&Ie(e,t)<.3);t>=0&&s.splice(t,1)});const i=e.top+e.staffY-c;s.forEach(t=>{const s=ot[t.semantic];if(s){let r=t.y,a=t.y;s===ot.vline_Stem&&(r=t.extension.y1,a=t.extension.y2),o.push({id:t.id,type:s,staff:e.index,x:t.x-n,y1:r+i,y2:a+i})}})}),new SemanticCluster({index:e,elements:o})}getRawClusters(e=1){return Array(this.measureCount).fill(null).map((t,s)=>this.getRawCluster(s,e))}makeSpartito(e=new DummyLogger){let t=this.systems.map(e=>e.getEvents(this.maxStavesCount));const s=this.eventSystemsToTermStaves(t,e);t.forEach((e,t)=>{e.columns.forEach((e,i)=>{e.basics=s.map(e=>{const{timeSignature:s,timeSigNumeric:r,keySignature:n,doubtfulTimesig:a}=e.rows[t][i];return{timeSignature:s,timeSigNumeric:r,keySignature:n,doubtfulTimesig:a}})})});const i=[].concat(...t.map(e=>e.columns.map(t=>{const s=t.measureIndex,{system:i,localIndex:r,left:n,right:a}=this.getMeasure(s),o=[];i.staves.forEach(e=>o[e.index]=e.top+e.staffY);const c=this.patches&&this.patches.find(e=>e.measureIndex===s),l=c?c.events:SpartitoMeasure.reorderEvents([].concat(...t.rows.map(e=>e.events)),o),u=Object.fromEntries(Object.entries(t.barTypes).map(([e,t])=>[e,t/i.staves.length])),h=0===r&&i.indent;return new SpartitoMeasure({measureIndex:s,staffMask:e.staffMask,position:{systemIndex:i.index,localIndex:r,left:n,right:a,staffYs:i.staves.map(e=>e.top+e.staffY),staffYsFull:o},duration:c?c.duration:t.duration,events:l,contexts:t.rows.map(e=>e.contexts),marks:t.marks,break:t.break,pageBreak:t.pageBreak,voltaBegin:t.voltaBegin,voltaEnd:t.voltaEnd,alternative:t.alternative,barTypes:u,indent:h,basics:c?c.basics:t.basics,matrixH:null,matrixV:null,voices:c?c.voices:null})}))),r=this.staffLayout,n=r.standaloneGroups.map(e=>e.map(e=>r.staffIds.indexOf(e)));return this.spartito=new Spartito({stavesCount:this.maxStavesCount,staffGroups:n,measures:i}),this.spartito}makeMusicSheet(){const e=this.spartito||this.makeSpartito();e.regulated||console.warn("[makeMusicSheet]\tspartito not regulated.");const t=e.makeVoiceStaves(),{title:s,pageSize:i,unitSize:r,staffLayout:n,paperOptions:a,headers:o,instrumentDict:c}=this;return{title:s,pageSize:i,unitSize:r,measureLayout:this.getMeasureLayout(),staffLayout:n,paperOptions:a,headers:o,voiceStaves:t,instrumentDict:c}}findPoint(e){for(const t of this.systems)for(let s=0;st.id===e);if(i){return{point:i,pageIndex:this.pages.findIndex(e=>e.systems.includes(t)),systemIndex:t.index,staffIndex:s}}}return null}getMeasureSemantics(e,t){const s=this.systems[e];if(!s)return null;const i=t?s.measureBars[t-1]:0,r=s.measureBars[t]||s.width;return s.staves.map((e,t)=>{const s=e.top+e.staffY;return e.semantics.filter(e=>e.x>=i&&e.x{const[i,r]=Number.isFinite(e.extension?.y1)?[e.extension.y1,e.extension.y2]:[e.y,e.y];return{...e,staff:t,sy1:i+s,sy2:r+s}})}).flat(1)}makeTimewiseGraph({store:e=!1}={}){if(!this.spartito)return null;return{measures:this.spartito.measures.filter(e=>e.events.length>0).map(t=>{const s=this.getMeasureSemantics(t.position.systemIndex,t.position.localIndex),i={measureIndex:t.measureIndex,left:t.position.left,right:t.position.right,points:s};return e&&(t.graph=i),i})}}getTokenMap(){const e=new Map;return this.systems.forEach(t=>t.staves.forEach(t=>t.measures.forEach(t=>t.tokens.forEach(t=>e.set(t.id,t))))),e}assemble(e=1,t=new DummyLogger){const s=new Map;this.pages.forEach((e,t)=>e.index=t);let i=0;this.systems.forEach((r,n)=>{r.index=n,r.headMeasureIndex=i,r.prev=this.systems[n-1]||null,r.next=this.systems[n+1]||null,r.semantics&&r.semantics.length&&r.semantics.forEach(e=>((e,i,r)=>{const n=_(e,i,r);t.assert(!s.has(n),"semantic point hash conflicted:",n,r,s.get(n)),s.set(n,r)})(n,null,e)),r.assemble(e,t),i+=r.measureCount}),this.pages.forEach((e,s)=>{e.systems.forEach(e=>e.pageIndex=s),e.assemble({textAnnotations:this.textAnnotations},t)})}assembleSystem(e,t=1){this.systems.forEach((e,t)=>e.index=t);const s=e.index;e.semantics&&e.semantics.length&&(e.semantics.forEach(e=>_(s,null,e)),e.assemble(t))}markVoices(e){const t=this.getTokenMap();for(const e of t.values())e.voice=0;const s=[].concat(...e.map((e,t)=>(e.voices||[]).map((e,s)=>[t,s]))).sort(([e,t],[s,i])=>t-i||e-s).map(([e,t])=>`${e}|${t}`);e.forEach((e,i)=>(e.voices||[]).forEach((e,r)=>e.measures.forEach(e=>{const n=s.indexOf(`${i}|${r}`);Object.values(e.tickMap).filter(e=>e instanceof EventTerm).forEach(e=>{const s=e.noteIds?e.noteIds.map(e=>t.get(e)).filter(Boolean):[],i=e.accessories?e.accessories.map(e=>t.get(e.id)).filter(Boolean):[];[...s,...i].forEach(e=>e.voice|=1<e.timeWarped=!0)})})))}async replaceImageKeys(e){await Promise.all([...this.pages.map(async t=>{t.source&&(t.source.url=await e(t.source.url))}),...this.systems.map(t=>Promise.all([e(t.backgroundImage).then(e=>t.backgroundImage=e),...t.staves.map(async t=>{t.backgroundImage=await e(t.backgroundImage),t.maskImage=await e(t.maskImage)})]))])}inferenceStaffLayout(){const e=Math.max(...this.systems.map(e=>e.staves.length),0);this.staffLayoutCode=Array(e).fill("").join(",");const t=this.systems.filter(t=>t.staves.length===e&&t.bracketsAppearance);if(!t.length)return;const s=t.map(e=>{try{return Ee(e.bracketsAppearance).staffIds.length!==e.staves.length?null:e.bracketsAppearance}catch(e){return null}}).filter(Boolean);if(!s.length)return;const i=s.reduce((e,t)=>{const s=e[t]||0;return e[t]=s+1,e},{}),r=Math.max(...Object.values(i)),n=Object.entries(i).find(([e,t])=>t===r)[0].replace(/\{,*\}/g,e=>e.replace(/,/g,"-")),a=Ee(n);this.staffLayoutCode=n;let o=null;for(const t of this.systems)if(o&&t.staves.length===o.staves.length&&t.bracketsAppearance===o.bracketsAppearance)t.staffMaskChanged=null;else{if(t.staves.length{if(s.length>a.staffIds.length)return null;if(s.reduce((e,t)=>e+t,0)===t.staves.length)return ws(s);for(const i of[1,0]){const r=[...s,i],n=a.partialMaskCode(r);if(n===t.bracketsAppearance)return ws(r);if(t.bracketsAppearance.startsWith(n)){const t=e(r);if(t)return t}}return null},s=e([]);t.staffMaskChanged=o&&s===o.staffMask?null:s}o=t}}assignBackgroundForMeasure(e){e.backgroundImages=[];const t=this.systems[e.position.systemIndex];t.backgroundImage&&e.backgroundImages.push({url:t.backgroundImage,position:t.imagePosition,original:!0}),t.staves.forEach(s=>{!t.backgroundImage&&s.backgroundImage&&e.backgroundImages.push({url:s.backgroundImage.toString(),position:{...s.imagePosition,y:s.imagePosition.y+s.top},original:!0}),s.maskImage&&e.backgroundImages.push({url:s.maskImage.toString(),position:{...s.imagePosition,y:s.imagePosition.y+s.top}})})}blackoutFakeNotes(e="patched"){if(!this.spartito)return;let t=e=>!0;switch(e){case"patched":t=e=>e.patched;break;case"perfect":t=e=>e.patched||e.regulated&&Ke(e).perfect}const s=this.spartito.measures.filter(t).reduce((e,t)=>{if(!t.regulated)return;const s=t.voices.flat(1);return t.events.filter(e=>!e.rest&&!e.grace&&!s.includes(e.id)).forEach(t=>t.noteIds&&e.push(...t.noteIds)),e},[]),i=new Set(s);return this.systems.forEach(e=>e.staves.forEach(t=>{const s=t.semantics.filter(e=>i.has(e.id)).map(e=>e.id);e.sidBlackList.push(...s)})),s}getMeasureLayout(){const e=this.spartito&&this.spartito.measureLayoutCode;if(e)try{return(e=>{const t=fe(e);return t?.data?ae(t.data,he):null})(e)}catch(e){console.debug("invalid measure layout code:",e)}return null}*splitToSingleScoresGen(){this.assemble();const e=this.systems.filter(e=>e.index>0&&e.indent&&e.timeSignatureOnHead).map(e=>e.index);if(!e.length)return void(yield this.deepCopy());const t=new Score({...this,pages:[],topology:void 0,spartito:void 0,patches:void 0});this.pages.forEach(e=>{delete e.tokens,e.systems.forEach(e=>{delete e.tokens,e.staves.forEach(e=>{e.measures=[]})})});let s=0;for(const i of[...e,this.systems.length]){const e=e=>e.index>=s&&e.indext.systems.some(e)).map(t=>{const{systems:s,...i}=t;return new Page({...i,systems:s.filter(e).map(e=>new System({...e}))})}),n=t.deepCopy();n.headers.SubScoreSystem=`${s}-${i-1}`,n.headers.SubScorePage=`${r[0].index}-${r[r.length-1].index}`,n.pages=r,n.assemble(),n.inferenceStaffLayout(),s=i,yield n}}splitToSingleScores(){return[...this.splitToSingleScoresGen()]}}Score.className="Score";class EditableEvent extends EventTerm{constructor(e){super(e)}get agent(){return new Proxy(this,{get(e,t){const s=e;switch(t){case"id":case"tick":case"duration":case"rest":case"division":case"dots":case"stemDirection":case"beam":case"tremolo":case"tremoloLink":case"arpeggioStyle":{const e=s[t];return void 0===e?null:e}case"tying":case"tied":case"glissando":{const e=s[t];return void 0!==e&&e}case"grace":return!!s.grace;case"timeWarp":return s.timeWarp?`${s.timeWarp.numerator}/${s.timeWarp.denominator}`:null;case"pitches":return s.pitches}},set:(e,t,s)=>{const i=e;switch(t){case"tick":case"duration":case"rest":case"division":case"dots":case"stemDirection":case"tying":case"tied":case"beam":case"tremolo":case"tremoloLink":case"glissando":case"arpeggioStyle":return i[t]=s,!0;case"grace":return i.grace=s?Ve.Grace:null,!0;case"timeWarp":if(i.timeWarp=null,s&&"string"==typeof s){const e=s.match(/^(\d+)\/(\d+)/);e&&(i.timeWarp={numerator:parseInt(e[1]),denominator:parseInt(e[2])})}return!0;case"id":case"pitches":return!0}return!1},ownKeys:()=>["id","duration","rest","division","dots","stemDirection","tying","tied","beam","timeWarp","tremolo","tremoloLink","glissando","arpeggioStyle","tick","grace","pitches"],getOwnPropertyDescriptor:()=>({enumerable:!0,configurable:!0})})}}class EditableMeasure extends SpartitoMeasure{constructor(e){super(e),this.events=null,this.events=e.events,this.events?.some(e=>!(e instanceof EditableEvent))&&(this.events=this.events.map(e=>new EditableEvent(e))),this.voices&&this.syncVoiceToEvents()}syncVoiceToEvents(){this.events.forEach(e=>e.voice=-1),this.voices.forEach((e,t)=>{e.forEach(e=>{const s=this.events.find(t=>t.id===e);s?s.voice=t:console.warn("no event with id:",e,this.events.length)})})}syncVoiceFromEvents(){const e=[];this.events.forEach(t=>{t?.voice>=0&&(e[t.voice]=e[t.voice]||[],e[t.voice].push(t))}),e.forEach(e=>e.sort((e,t)=>e.tick-t.tick)),this.voices=e.map(e=>e.map(e=>e.id))}get agent(){return new Proxy(this,{get:(e,t)=>{const s=e;switch(t){case"measureIndex":case"duration":return s[t];case"voices":return s.voices?.map(e=>e.join(","))||null;case"timeSignature":case"keySignature":case"doubtfulTimesig":return s.basics[0][t];case"toJSON":return()=>({measureIndex:s.measureIndex,voices:s.voices,duration:s.duration,timeSignature:s.basics[0].timeSignature,keySignature:s.basics[0].keySignature})}},set:(e,t,s)=>{const i=e;switch(t){case"timeSignature":case"keySignature":case"doubtfulTimesig":return i.basics[0][t]=s,i.basics=i.basics.map(()=>i.basics[0]),!0;case"duration":return i.duration=s,!0;case"measureIndex":case"voices":return!0}return!1},ownKeys:()=>["measureIndex","timeSignature","doubtfulTimesig","keySignature","duration","voices"],getOwnPropertyDescriptor:()=>({enumerable:!0,configurable:!0})})}makeMIDI(e=120){if(!this.regulated)return null;const t=6e7/e,s=this.voices.map((e,s)=>{const i=e.map(e=>{const t=this.events.find(t=>t.id===e);if(t){const e=t.graceIds?t.graceIds.map(e=>this.events.find(t=>t.id===e)):[];return[...e,t]}return[]}).flat(1),r=i.filter(e=>!e.rest&&Number.isFinite(e.tick)&&e.tick>=0&&Number.isFinite(e.duration)).map(e=>e.pitches.map(t=>[{id:e.id,time:e.tick,type:"channel",subtype:"noteOn",channel:e.staff,noteNumber:Le(t),velocity:96},{id:e.id,time:e.tick+e.duration,type:"channel",subtype:"noteOff",channel:e.staff,noteNumber:Le(t)}])).flat(2);return r.sort(function(e,t){return e.time-t.time}),0===s&&r.unshift({time:0,type:"meta",subtype:"timeSignature",numerator:this.timeSignature.numerator,denominator:this.timeSignature.denominator,thirtyseconds:8},{time:0,type:"meta",subtype:"setTempo",microsecondsPerBeat:t}),r.forEach(e=>{e.ticks=Math.round(e.time-0)}),r.forEach((e,t)=>{e.deltaTime=e.ticks-(t>0?r[t-1].ticks:0)}),r.push({deltaTime:0,type:"meta",subtype:"endOfTrack"}),r});return{header:{formatType:0,ticksPerBeat:480},tracks:s}}}var Ms;EditableMeasure.className="EditableMeasure",EditableMeasure.blackKeys=[],function(e){e.Pass="i",e.Division="d",e.Dots="o"}(Ms||(Ms={}));const Es=["whole","half","quarter","eighth","sixteenth","thirtysecond","sixtyfourth","128th","256th"],Ns=.4/je,Is=1e-12,Cs=[void 0,"u","d"],_s=[void 0,ze.Open,ze.Continue,ze.Close],Os=e=>({elements:e.elements.map(e=>({tick:e.tick,division:e.division,dots:e.dots,beam:e.beam,stemDirection:e.stemDirection,grace:e.grace,timeWarped:e.timeWarped,fullMeasure:e.fullMeasure,fake:e.fake,order:e.order,predisposition:e.predisposition}))});class BeadNode{constructor(e){Object.assign(this,e),this.children={},this.accessCount=0}nextBranch(){const e=this.possibilities.map((e,t)=>e/(this.children[t]?this.children[t].accessCount+1:1));return e.every(e=>!e)?(this.accessCount=1/0,null):$e(e)}get currentElem(){return this.cluster.elements[this.elemIndex]}branchID(e){switch(this.type){case Ms.Pass:return`i_${e}`;case Ms.Division:return Es[e];case Ms.Dots:return"o"+".".repeat(e)}return""}async deduce({picker:e,logger:t,ptFactor:s},i=0){++this.accessCount;const r=this.nextBranch();if(t.debug(String.fromCodePoint(127817)+" ".repeat(i),this.branchID(r),this.accessCount>1?`[${this.accessCount}]`:""),!Number.isInteger(r)||r<0)return this.accessCount=1/0,As(this.cluster,this.currentElem.order+1,this.pretentiousness);var n;if(this.pretentiousness+=(n=this.possibilities[r],Math.min(100,-Math.log(n))),this.pretentiousness>100*s)return this.accessCount=1/0,As(this.cluster,this.currentElem.order+1,this.pretentiousness);let a=null;switch(this.type){case Ms.Pass:{const t=this.currentElem.order+1,s=this.cluster.elements[r];if(console.assert(s,"null element:",r,this.cluster.elements.length),s.type===ps.EOS){if(a=As(this.cluster,t,this.pretentiousness),!a.residue||a.fatalError)return this.accessCount=1/0,a;if(this.cluster.elements[0].order=t,!this.children[r]){if(!e.quota)return a;const s=(await e.predictCluster(this.cluster,t+1)).map((e,s)=>this.cluster.elements[s].orderMath.max(Is,e));this.children[r]=new BeadNode({cluster:this.cluster,elemIndex:r,type:Ms.Division,possibilities:e,pretentiousness:this.pretentiousness})}}break;case Ms.Division:if(this.currentElem.division=r,!this.children[r]){const e=this.currentElem.predisposition.dotsVector.map(e=>Math.max(Is,e));this.children[r]=new BeadNode({cluster:this.cluster,elemIndex:this.elemIndex,type:Ms.Dots,possibilities:e,pretentiousness:this.pretentiousness})}break;case Ms.Dots:if(this.currentElem.dots=r,a=As(this.cluster,this.currentElem.order+1,this.pretentiousness),!a.residue||a.fatalError)return this.accessCount=1/0,a;if(!this.children[r]){if(!e.quota)return a;const t=this.currentElem.order+1,s=(await e.predictCluster(this.cluster,t)).map((e,s)=>this.cluster.elements[s].order{t.order>e&&(t.order=void 0)}),this.cluster.elements.forEach(e=>e.order=e.order>this.currentElem.order?void 0:e.order),this.cluster.elements[this.cluster.elements.length-1].tick=a.endTick,a}return o}}const Bs=e=>je*2**-e.division*(2-2**-e.dots),As=(e,t,s)=>{const i=e.elements.filter(e=>[ps.CHORD,ps.REST].includes(e.type)&&Number.isInteger(e.order)&&e.ordere.order-t.order);const r=e.elements[e.elements.length-1];let n=0,a=0,o=0,c=1;const l=[[r.x,e.signatureDuration,e.signatureDuration]];let u=0;i.forEach(e=>{e.order>a+1&&(n=0,++c);const t=l.find(e=>e[1]>=n);if(t&&e.x>t[0]+3){const t=l.reduce((t,s)=>Math.abs(e.predisposition.tick-s[2])t[0]>e.x));l.splice(s,0,[e.x,e.tick,e.predisposition.tick]);let i=Bs(e);e.predisposition.timeWarped>.5&&(i=2*i/3),n+=i,u+=i,o=Math.max(o,n),a=e.order}),o>0&&(e.elements[e.elements.length-1].tick=o);const h=e.elements[e.elements.length-1].pivotX-e.elements[1].pivotX,m=Math.max(...i.map(e=>e.tick),o),f=[...i].sort((e,t)=>e.pivotX-t.pivotX),d=f.slice(1).map((e,t)=>{const s=f[t],i=e.pivotX-s.pivotX,r=e.tick-s.tick;if(!r)return i/h;return(4*Math.atan2(r/m,i/h)/Math.PI-1)**2}),p=Math.max(...d,0),g=i.map(e=>(e.tick-e.predisposition.tick)**2),y=g.length?Math.sqrt(g.reduce((e,t)=>e+t,0)/g.length):0,v=e.elements.filter(e=>[ps.CHORD,ps.REST].includes(e.type)&&!(Number.isInteger(e.order)&&e.order.5)).length,x=p>=1||o>e.signatureDuration,S=Math.max(0,e.signatureDuration-u/c);return{tickErr:y,twist:p,residue:v,endTick:o,fatalError:x,voiceN:c,spaceDuration:S,pretentiousness:s,loss:y/je+p+.2*v+.002*c+S*Ns+.02*s}},Ps=async(e,t,s,i=200,r=0,n=1)=>{e.elements.forEach((e,t)=>e.order=t?void 0:0);const a=await t.predictCluster(e,1),o=new BeadNode({cluster:e,elemIndex:0,pretentiousness:0,type:Ms.Pass,possibilities:a});let c=null,l=null;for(t.quota=i;t.quota;){e.elements.forEach((e,t)=>e.order=t?void 0:0);const i=await o.deduce({picker:t,logger:s,ptFactor:n});if(s.debug("loss:",i),(!c||i.loss{e.elements.forEach((e,s)=>Object.assign(e,t.elements[s]))})(e,l);const u=e.elements.filter(e=>[ps.CHORD,ps.REST].includes(e.type)&&Number.isInteger(e.order)),h=e.elements.filter(e=>[ps.CHORD,ps.REST].includes(e.type)&&!Number.isInteger(e.order));u.length&&h.forEach(e=>{if(e.tick=void 0,e.predisposition.fakeP<.5){const t=Bs(e),s=u.filter(e=>e.tick+t<=c.endTick);if(s.length){const t=s.reduce((t,s)=>Math.abs(s.x-e.x)e.order-t.order),[...u,...h].forEach(e=>{e.grace=!Number.isFinite(e.tick)&&e.predisposition.grace,e.timeWarped=e.predisposition.timeWarped>.5,e.fullMeasure=e.predisposition.fullMeasure>.5,e.stemDirection=Cs[$e(e.predisposition.stemDirectionVector)],e.beam=_s[$e(e.predisposition.beamVector)]});const m=e.elements.map(e=>e.index),f=e=>m.indexOf(e);return e.matrixH=e.elements.map(()=>Array(e.elements.length).fill(0)),u.forEach((t,s)=>{const i=u[s-1];!i||i.order{const{stopLoss:s=.09,quotaMax:i=1e3,quotaFactor:r=5,ptFactor:n=1,logger:a=new DummyLogger}=t;let o=0;const c=e.createClusters();for(const l of c){const 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Set),m=Array.from(c).sort((e,t)=>e-t);s.forEach(e=>{const t=o[e.index];t&&h.push({id:t.id,tick:e.tick,tickGroup:m.indexOf(e.tick),division:e.division!==t.division?e.division:void 0,dots:e.dots!==t.dots?e.dots:void 0,timeWarp:e.timeWarped?_e(2,3):void 0,beam:e.beam!==t.beam?e.beam:void 0,grace:e.grace!==!!t.grace?e.grace:void 0,fullMeasure:e.fullMeasure||void 0})})});const m=Math.max(...c.map(e=>e.estimatedDuration));return{voices:l.filter(e=>e.length),duration:Math.max(...u),events:h,priority:-o,estimatedDuration:m}},Ds=async(e,{picker:t,resetSignatureForDoubtfulOnly:s})=>{const i=e.createClusters(),r=e.eventMap;for(const n of i)s&&!e.doubtfulTimesig||(n.signatureDuration=0),n.elements.forEach((e,t)=>e.order=t?void 0:0),await 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xi(e,{format:t="webp",maxHeight:s=1080,quality:i=80}={}){let r=await(async e=>"string"==typeof e?/^https?:\/\//.test(e)?(await T.default(e,{responseType:"buffer",decompress:!0,https:{rejectUnauthorized:!1}})).body:/^data:image\//.test(e)?Buffer.from(e.split(",")[1],"base64"):Buffer.from(e):e)(e);const n=await new Promise(e=>{k.default(r).resize({width:s,height:s,fit:"inside",withoutEnlargement:!0}).toFormat(t,{quality:i}).toBuffer((t,s)=>{e(s)})});return{buffer:n,filename:`${b.default.ArrayBuffer.hash(n)}.${t}`}}globalThis.OffscreenCanvas=globalThis.OffscreenCanvas||c.Canvas,globalThis.Image=globalThis.Image||c.Image,globalThis.btoa=globalThis.btoa||(e=>Buffer.from(e,"binary").toString("base64"));const Si=32,bi={viewportHeight:256,viewportUnit:8},ki=192,Ti=8,wi={viewportHeight:192,viewportUnit:8};const Mi=e=>Promise.all(e.map(e=>e())),Ei=async(e,t,{paddingLeft:s=0,scaling:i=1,spec:r})=>{if(!e||!e.backgroundImage)return null;const n=e.staves[t];if(!n)return null;const a=r.viewportHeight/r.viewportUnit/2,o=e.imagePosition.width*r.viewportUnit,l=e.imagePosition.height*r.viewportUnit,u=e.imagePosition.x*r.viewportUnit+s,h=(e.imagePosition.y-(n.top+n.staffY-a))*r.viewportUnit,m=new c.Canvas(Math.round(o+u)*i,r.viewportHeight*i),f=m.getContext("2d");return f.fillStyle="white",f.fillRect(0,0,m.width,m.height),f.drawImage(await c.loadImage(e.backgroundImage),u*i,h*i,o*i,l*i),m};async function Ni({system:e,staff:t,staffIndex:s}){const i=await Ei(e,s,{paddingLeft:Si,spec:wi});t.backgroundImage=i.toBufferSync("png"),t.imagePosition={x:-32/wi.viewportUnit,y:t.staffY-wi.viewportHeight/2/wi.viewportUnit,width:i.width/wi.viewportUnit,height:i.height/wi.viewportUnit}}async function Ii({system:e,staff:t,staffIndex:s,gaugeImage:i,pyClients:r}){const n=(await Ei(e,s,{paddingLeft:Si,spec:bi,scaling:2})).toBufferSync("png"),a=(e.middleY-(t.top+t.staffY))*bi.viewportUnit+bi.viewportHeight/2,{buffer:o,size:c}=await r.predictScoreImages("gaugeRenderer",[n,i,a]);t.backgroundImage=o,t.imagePosition={x:-32/bi.viewportUnit,y:t.staffY-c.height/2/bi.viewportUnit,width:c.width/bi.viewportUnit,height:c.height/bi.viewportUnit},t.maskImage=null}async function Ci({staff:e,staffIndex:t,maskImage:s}){const i=await c.loadImage(s);e.maskImage=s,e.imagePosition={x:-32/Ti,y:e.staffY-ki/2/Ti,width:i.width/Ti,height:i.height/Ti}}async function _i({score:e,staffIndex:t,system:s,staff:i,graph:r}){r.offset(-32/wi.viewportUnit,0),s.assignSemantics(t,r),i.assignSemantics(r),i.clearPredictedTokens(),e.assembleSystem(s,e.settings?.semanticConfidenceThreshold||1)}function Oi(e,t){[[e.source,"url"],...e.systems.map(e=>[[e,"backgroundImage"],...e.staves.map(e=>[[e,"backgroundImage"],[e,"maskImage"]]).flat()]).flat()].map(([e,s])=>{e[s]=t(e[s])})}class OMRProgress{constructor(e){this.state={},this.onChange=e}setTotal(e,t){this.state[e]=this.state[e]||{total:t,finished:0}}increase(e,t=1){(this.state[e]||{finished:0}).finished+=t,this.onChange(this.state)}}const Bi=new l.WeakLRUCache,Ai={get:async e=>Bi.getValue(e),async set(e,t){Bi.setValue(e,t)}},Pi=async e=>{if(e instanceof Buffer||"string"==typeof e&&(/^https?:\/\//.test(e)||/^data:image\//.test(e))){return`data:image/webp;base64,${(await xi(e)).buffer.toString("base64")}`}return e},Ri=e=>{const t=Math.random();let s=0;for(let i=0;it)return i;return e.length-1},Di=(e,t=.9)=>{const s=e.map(e=>Math.log(e)*t).map(Math.exp),i=s.reduce((e,t)=>e+t,0);return s.map(e=>e/i)},Fi=e=>{if(!e.predisposition?.divisionVector&&!e.predisposition?.dotsVector)return e;const t=e.predisposition?.divisionVector?Di(e.predisposition.divisionVector):null,s=e.predisposition?.dotsVector?Di(e.predisposition.dotsVector):null;return new EventTerm({...e,predisposition:{...e.predisposition,divisionVector:t,dotsVector:s}})};class MeasureRectification{constructor(e){Object.assign(this,e)}toString(){return this.events.map(e=>{if(!e)return"";const{division:t="",dots:s=""}=e;return`${t}|${s}`}).join(",")}static default(e){return new MeasureRectification({events:e.map(e=>{if(!e.predisposition?.divisionVector&&!e.predisposition?.dotsVector)return null;const t=e.predisposition.divisionVector?e.division:void 0,s=e.predisposition.dotsVector?e.dots:void 0;return{id:e.id,division:t,dots:s}})})}static roll(e){return new MeasureRectification({events:e.map(e=>{if(!e.predisposition?.divisionVector&&!e.predisposition?.dotsVector)return null;let t,s;return e.predisposition.divisionVector&&(t=Ri(e.predisposition.divisionVector)),e.predisposition.dotsVector&&(s=Ri(e.predisposition.dotsVector)),{id:e.id,division:t,dots:s}})})}}const Li=new l.WeakLRUCache,$i={get:async e=>Li.getValue(e),async set(e,t){Li.setValue(e,t)},batchGet:async e=>e.map(e=>Li.getValue(e))};var ji;!function(e){e[e.ErrorOnly=0]="ErrorOnly",e[e.NotFine=1]="NotFine",e[e.Imperfect=2]="Imperfect"}(ji||(ji={}));const Hi=async(e,t,s,i,r=ji.NotFine,n=0,a)=>{const o=e.filter(({evaluation:e})=>!e||((e,t)=>{switch(t){case ji.ErrorOnly:return e.error;case ji.Imperfect:return!e.perfect}return!e.fine})(e,r));s?.write(".".repeat(o.length)),s?.write("\b".repeat(o.length));const c=o.length;let l=0;for(const e of o){const s=e.current.deepCopy();s.staffGroups=e.current.staffGroups;const r=await Rs(s,{picker:e.picker,...i});s.applySolution(r);const o=Ke(s),u=!e.evaluation||o.fine>e.evaluation.fine||o.qualityScore>e.evaluation.qualityScore&&o.fine===e.evaluation.fine;u&&(e.evaluation=o,Object.assign(e.current,s)),t(e.current,o,u),l++,a?.(e.current,o,u,{pass:n,remaining:c-l,total:c})}return o.length&&s?.write("\n"),o.length};globalThis.btoa=globalThis.btoa||(e=>Buffer.from(e,"binary").toString("base64"));const Vi=parseInt(process.env.RECTIFICATION_SEARCH_ITERATIONS||"30"),zi=parseInt(process.env.BASE_QUOTA_FACTOR||"40"),qi=parseInt(process.env.RECTIFICATION_QUOTA_FACTOR||"80"),Gi=(e,t,s)=>Math.min(Math.ceil((e+1)*t*Math.log(e+2)),Math.ceil(s*Math.min(1,(24/(e+1))**2)));async function Wi(e,{solver:t,quotaMax:s=1e3,quotaFactor:i=zi,solutionStore:r=$i,ignoreCache:n=!1,logger:a}={}){let o=0,c=0;return a?.info(`[solveMeasures] begin, measure total: ${e.length}.`),await Promise.all(e.map(async l=>{if(!n){const e=await r.get(l.regulationHash);if(e)return l.applySolution(e),void++o}const u=Gi(l.events.length,i,s);await l.regulate({policy:"equations",quota:u,solver:t});const h=Ke(l);h.error||r.set(l.regulationHash0,{...l.asSolution(),priority:-l?.solutionStat?.loss}),h.perfect&&++c,a?.info(`[solveMeasures] measure[${l.measureIndex}/${e.length}] regulated: ${h.perfect?"solved":h.error?"error":"issue"}, ${l.regulationHash}`)})),a?.info(`[solveMeasures] ${o}/${e.length} cache hit, ${c} solved.`),{cached:o,computed:e.length-o,solved:c}}const Ui=async(e,{solver:t,quotaMax:s=4e3})=>{let i=Ke(e),r=e.asSolution();const n=Gi(e.events.length,qi,s);let a=0;for(const s of function*(e){const t=new Set,s=MeasureRectification.default(e.events);t.add(s.toString()),yield s;let i=0,r=e.events;for(;i<100;){i&&i%10==0&&(r=r.map(Fi));const e=MeasureRectification.roll(r),s=e.toString();t.has(s)?++i:(i=0,t.add(s),yield e)}}(e)){const o=await ys.regulateMeasureWithRectification(e,s,{solver:t,quota:n}),c=e.deepCopy();c.applySolution(o);const l=Ke(c);if((l.perfect>i.perfect||l.error=i.perfect&&o.priority>r.priority)&&(i=l,r=o),l.perfect)break;if(++a,a>Vi)break}return r};const Yi=async(e,{solver:t,solutionStore:s=$i,logger:i,quotaMax:r=240,quotaFactor:n=16})=>{e.assemble();const a=e.spartito||e.makeSpartito(),o=a.measures.filter(e=>!e.regulated);await Wi(o,{solver:t,quotaMax:r,quotaFactor:n,solutionStore:s,logger:i}),console.assert(e.spartito?.regulated,"doSimpleRegulate: regulation incomplete:",a.measures.filter(e=>!e.regulated).length)};console.info("%cstarry-omr%c v1.0.0 2026-02-20T11:12:40.071Z","color:#fff; background-color: #555;padding: 5px;border-radius: 3px 0 0 3px;","color: #fff; background-color: #007dc6;padding: 5px;border-radius: 0 3px 3px 0;"),exports.DefaultSolutionStore=$i,exports.PyClients=class PyClients{constructor(e,t=console){this.options=e,this.logger=t,this.clients=new Map}async getClient(e){if(this.clients.has(e))return this.clients.get(e);const[t,s,i]=ri(),r=this.options[e];if(!r)throw new Error(`no config for client \`${e}\` found`);try{if("string"==typeof r){const e=new ZeroClient;e.bind(r),s(e)}else{const{scriptPath:e,...t}=r,i=new PyProcessor(e,t,this.logger);await i.bind(`${await ui()}`),s(i)}this.logger.info(`PyClients: ${e} started`)}catch(t){this.logger.error(`PyClients: ${e} start fail: ${JSON.stringify(t)}`),i(t)}return this.clients.set(e,t),t}async checkHost(e){return(await this.getClient(e)).request("checkHost")}async warmup(){const e=Object.keys(this.options);await Promise.all(e.map(e=>this.getClient(e)))}async predictScoreImages(e,...t){const s=e.split("$")[0],i=await this.getClient(s);let r=null;this.logger.info(`[predictor]: ${e} py start..`);const n=Date.now();switch(e){case"layout":r=await i.request("predictDetection",t);break;case"layout$reinforce":r=await i.request("predictReinforce",t);break;case"gauge":case"mask":r=await i.request("predict",t,{by_buffer:!0});break;case"semantic":case"textLoc":r=await i.request("predict",t);break;case"textOcr":case"brackets":case"topo":case"gaugeRenderer":case"jianpu":r=await i.request("predict",...t);break;default:this.logger.error(`[predictor]: no predictor ${e}`)}return this.logger.info(`[predictor]: ${e} py duration: ${Date.now()-n}ms`),r}},exports.abstractOMRStats=e=>{const{costTotal:t,pagesCostTotal:s,pagesTotal:i}=e.reduce((e,t)=>({costTotal:e.costTotal+t.cost,pagesCostTotal:e.pagesCostTotal+t.pagesCost,pagesTotal:e.pagesTotal+t.pages}),{costTotal:0,pagesCostTotal:0,pagesTotal:0});return{costTotal:t,costPerPage:i?t/i:null,pagesTotal:i,scoreN:e.length}},exports.abstractRegulationBeadStats=e=>{const{totalCost:t,pickerCost:s,measureN:i,timeN:r}=e.reduce((e,t)=>({totalCost:e.totalCost+t.totalCost,pickerCost:e.pickerCost+t.pickerCost,measureN:e.measureN+t.measures.computed,timeN:e.timeN+t.measures.tryTimes}),{totalCost:0,pickerCost:0,measureN:0,timeN:0}),n=i>0?t/i:null,a=r>0?t/r:null,{cached:o,simple:c,computed:l,tryTimes:u,solved:h,issue:m,fatal:f}=e.reduce((e,t)=>({cached:e.cached+t.measures.cached,simple:e.simple+t.measures.simple,computed:e.computed+t.measures.computed,tryTimes:e.tryTimes+t.measures.tryTimes,solved:e.solved+t.measures.solved,issue:e.issue+t.measures.issue,fatal:e.fatal+t.measures.fatal}),{cached:0,simple:0,computed:0,tryTimes:0,solved:0,issue:0,fatal:0});return{scoreN:e.length,totalCost:t,pickerCost:s,costPerMeasure:n,costPerTime:a,cached:o,simple:c,computed:l,tryTimes:u,solved:h,issue:m,fatal:f}},exports.abstractRegulationStats=e=>{const{baseCostTotal:t,topoCostTotal:s,baseMeasures:i,topoMeasures:r}=e.reduce((e,t)=>({baseCostTotal:e.baseCostTotal+t.baseCost,topoCostTotal:e.topoCostTotal+t.topoCost,baseMeasures:e.baseMeasures+t.baseMeasures.computed,topoMeasures:e.topoMeasures+(t.topoMeasures.solved+t.topoMeasures.issue+t.topoMeasures.fatal)}),{baseCostTotal:0,topoCostTotal:0,baseMeasures:0,topoMeasures:0}),n=i>0?t/i:null,a=r>0?s/r:null,{cached:o,baseComputed:c,baseSolved:l,topoSolved:u,topoIssue:h,topoFatal:m}=e.reduce((e,t)=>({cached:e.cached+t.baseMeasures.cached,baseComputed:e.baseComputed+t.baseMeasures.computed,baseSolved:e.baseSolved+t.baseMeasures.solved,topoSolved:e.topoSolved+t.topoMeasures.solved,topoIssue:e.topoIssue+t.topoMeasures.issue,topoFatal:e.topoFatal+t.topoMeasures.fatal}),{cached:0,baseComputed:0,baseSolved:0,topoSolved:0,topoIssue:0,topoFatal:0});return{scoreN:e.length,baseCostTotal:t,topoCostTotal:s,baseCostPerMeasure:n,topoCostPerMeasure:a,cached:o,baseComputed:c,baseSolved:l,topoSolved:u,topoIssue:h,topoFatal:m}},exports.constructSystem=vi,exports.convertImage=xi,exports.doRegulate=async(e,{pyClients:t,solver:s,solutionStore:i=$i,onSaveIssueMeasure:r})=>{t?.logger?.info(`[doRegulate] score: ${e.title}`),e.spartito=void 0,e.assemble();const n=e.makeSpartito();n.measures.forEach(t=>e.assignBackgroundForMeasure(t));const a=Date.now(),o=await Wi(n.measures,{solver:s,quotaMax:1e3,solutionStore:i,logger:t?.logger}),c=Date.now(),l=t?await async function(e,{pyClients:t,solver:s,solutionStore:i=$i,onSaveIssueMeasure:r}){t.logger.info(`[RegulateWithTopo] regulate score: ${e.title}, measures: ${e.spartito.measures.length}`);const n=e.spartito.measures.filter(e=>!Ke(e).perfect);if(t.logger.info(`[RegulateWithTopo] basic issues: ${n.length}`),0===n.length)return{solved:0,issue:0,fatal:0};const a=[].concat(...n.map(e=>e.createClusters())),o=await t.predictScoreImages("topo",{clusters:a});console.assert(o.length===a.length,"prediction number mismatch:",a.length,o.length),a.forEach((e,t)=>{const s=o[t];console.assert(s,"no result for cluster:",e.index),e.assignPrediction(s)}),n.forEach(e=>{const t=a.filter(t=>t.index===e.measureIndex);e.applyClusters(t);const{matrixH:s}=ys.estiamteMeasure(e);s.forEach((t,s)=>t.forEach((t,i)=>{e.matrixH[s][i]=.9*e.matrixH[s][i]+t*(1-.9)}))});const c=[],l=[];await Promise.all(n.map(async e=>{const n=e.regulationHash0,a=await Ui(e,{solver:s});a&&(e.applySolution(a),i.set(n,a),i.set(e.regulationHash,e.asSolution()),t.logger.info(`[RegulateWithTopo] solutionStore set: ${e.measureIndex}, ${n}, ${e.regulationHash}`));const o=Ke(e);r?.({measureIndex:e.measureIndex,measure:new EditableMeasure(e),status:o.error?2:1}),o.perfect?c.push(e.measureIndex):o.error&&l.push(e.measureIndex)}));const u=n.length-c.length-l.length;return t.logger.info(`[RegulateWithTopo] score: ${e.title}, solved/issue/fatal: ${c.length}/${u}/${l.length}`),c.length&&t.logger.info(`[RegulateWithTopo] solved measures: ${c.join(", ")}`),l.length&&t.logger.info(`[RegulateWithTopo] error measures: ${l.join(", ")}`),{solved:c.length,issue:u,fatal:l.length}}(e,{pyClients:t,solver:s,solutionStore:i,onSaveIssueMeasure:r}):void 0;return{baseCost:c-a,topoCost:Date.now()-c,baseMeasures:o,topoMeasures:l,qualityScore:n.qualityScore}},exports.doSimpleRegulate=Yi,exports.encodeFindResource=function(e){const t=e.spartito.perform(),s=e.systems.map(e=>e.staves.map(e=>e?.maskImage)).flat(),i=s.filter(Boolean).length>s.length/2,r={},n=new Map,a=new Map,o=new Map;r.unitSize=e.unitSize,r.title={title:e.title};const c=e.pages[0].tokens;if(Array.isArray(c)&&c.length>0){const[t,...s]=c.filter(e=>e.type===B.Text&&"Title"===e.textType).sort((e,t)=>t.fontSize-e.fontSize);t&&(r.title.title=t.text,r.title.t={size:t.fontSize}),s?.length>0&&(s.sort((e,t)=>e.y-t.y),r.title.subtitle=s.map(e=>e.text).join("\n"),r.title.s={size:s.reduce((e,t)=>e+t.fontSize,0)/s.length});const i=c.filter(t=>t.type===B.Text&&"Author"===t.textType&&t.x>e.pages[0].width/2);i.length>0&&(r.title.composer=i.map(e=>e.text).join("\n"),r.title.c={size:i.reduce((e,t)=>e+t.fontSize,0)/i.length})}if(r.page={w:e.pages[0].width,h:e.pages[0].height},r.pages=e.pages.map(t=>{const s=t.source.dimensions.width/t.source.interval,i=t.source.dimensions.height/t.source.interval,[r,n,a,o]=t.source.matrix;return{src:t.source.url,w:s,h:i,x:0,y:0,l1:e.systems.indexOf(t.systems[0]),ls:t.systems.length,matrix:[r,n,a,o,-.5*r*s+-.5*i*a+.5*t.width||0,-.5*n*s+-.5*i*o+.5*t.height||0]}}),r.parts=[],r.lines=[],i){const t=e.staffLayout.partGroups.map(e=>e.range[0]===e.range[1]?[e.range[0]]:e.range),s=e.getTokenMap(),i=[];for(const[c,l]of t.entries()){const u=t.slice(0,c).flat().length,h={measures:[]};e.systems.forEach((r,m)=>{const f=r.staves.slice(),d=t.flat().map(e=>1<m+1&&(p[m+1]=p[m]);continue}const g=[];for(const e of l){const t=d[e];t&&g.push(...t.measures[m].getChords().map(t=>({chord:t,staffIndexInPart:e-u})))}let y=0;const v=p[m],x=[];g.forEach(({staffIndexInPart:l,chord:u})=>{const h=[];let d=u.tip?u.tip.x:u.right-u.left/2;u.noteIds.forEach((e,i)=>{const r=s.get(e),m=`n_${t.length>1?c+"_":""}${f}_${y}`;y++,n.set(r.id,m),a.set(r.id,(r.left+r.right)/2-v),o.set(r.id,l+1),h.push({line:2*-u.ys[i],id:m,staff:l+1,x:(r.left+r.right)/2-d})}),i[f]=i[f]||[],i[f].push(d-v);const p=e.spartito.measures[r.headMeasureIndex+m].events.filter(e=>e.noteIds.some(e=>u.noteIds.includes(e)));x.push({elems:h,x:d-v,type:2**u.division,...p.some(e=>e.grace)?{grace:{}}:{}})}),h.measures[f]={w:p[m+1]-p[m],staves:l.length,notes:x}}});let m=null;e.spartito.measures.forEach((s,i)=>{const r=e.spartito.measureIndexMapping[i],n=s.contexts.flat().filter(e=>js.includes(e.tokenType)&&l.includes(e.staff)).map(e=>{const s=t.find(t=>t.includes(e.staff));return{x:e.x,clef:Hs(e),staff:s.indexOf(e.staff)+1,tick:e.tick}});n.length>0&&h.measures[r]&&(h.measures[r].clefs=n);const a=s.basics.filter((e,t)=>1<0&&(r.parts[c]=h)}e.systems.forEach((s,i)=>{const n=[],a=s.staves[0],o=s.staves[s.staves.length-1],c=a.top+a.staffY-2,l=o.top+o.staffY-2,u=s.staves.slice(),h=t.flat().map(e=>!(1<h.find(t=>t?.index===e)||null),a=t.map((e,t)=>[t,!e]).filter(e=>e[1]);let o=null;a.length>0&&(o=Object.fromEntries(a.map(e=>[e[0]+1,{hide:e[1]}])));let l=0,u=0;const f=t.filter(e=>!!e);if(f.length>0){const e=f[0],t=f[f.length-1],s=e.top+e.staffY-2,i=t.top+t.staffY-2;l=s-c,u=i-s+4}const{list:d,last:p}=t.reduce((e,t,s)=>(null===e.last||null===t?0===s&&l>0?e.list.push(l-4):e.list.push(0):e.list.push(t.top+t.staffY-(e.last.top+e.last.staffY)-4),e.last=t||e.last,e),{last:m,list:[]});m=p;const g=t.map(e=>{if(e?.maskImage){const t=e.imagePosition;return{src:e.maskImage,x:t.x,y:s.top+e.top+t.y-(s.top+e.top+e.staffY-2),w:t.width,h:t.height}}return null}),y=e.spartito.measures[s.headMeasureIndex];n.push({distances:d,imgs:g,y:l,staves:r.length,parti:i,height:u,...o?{details:o}:{},clef:Object.fromEntries(e.spartito.measures[s.headMeasureIndex]?.contexts.flat().filter(e=>js.includes(e.tokenType)&&r.includes(e.staff)).map(e=>[e.staff,Hs(e)])),fifths:y.basics.filter((e,t)=>1<e.spartito.measureIndexMapping[s.headMeasureIndex+i]).filter(e=>Number.isFinite(e));r.lines[i]={m1:f[0],m2:f.length>0?f[f.length-1]+1:void 0,x:s.left,y:s.top+c,w:s.measureBars[s.measureBars.length-1],h:l-c+4,lineStaves:n}});const c={0:"default",1:"brace",2:"bracket",3:"square"},l=Ee(e.staffLayoutCode),u=l.partGroups.map(e=>({sort:e.range[0],part:e})).sort((e,t)=>e.sort-t.sort).map(e=>e.part);r.groups=l.groups.filter(e=>0!==e.group.type).map((e,t)=>({type:c[e.group.type],p1:u.findIndex(t=>t.range.includes(e.range[0])),p2:u.findIndex(t=>t.range.includes(e.range[e.range.length-1]))})).filter(e=>"default"!==e.type)}let l;if(t&&(r.measInfo=t.notation.measures.map((e,t)=>{const s=new Map;return e.notes.forEach(e=>{s.set(e.tick,[...s.get(e.tick)||[],a.get(e.id)])}),Array.from(s.entries()).sort((e,t)=>+e[0]-t[0]).reduce((e,t,s)=>{const i=t[1].find(t=>t>e.last)||t[1][0];return e.list.push(i),e.last=i,e},{last:null,list:[]}).list.filter(Number.isFinite)})),t){l={};const s=new Map;let i,r;t.notation.measures.forEach((e,t)=>{const{numerator:s,denominator:n}=e.timeSignature;l.beats||l.beatsUnit||(l.beats=s,l.beatsUnit=n,i=s,r=n),l.beatInfos=l.beatInfos||[],i===s&&r===n||(i=s,r=n,l.beatInfos.push({tick:e.tick,beats:s,beatsUnit:n})),l.tempos=l.tempos||[],e.events.forEach(t=>{"meta"===t.data.type&&"setTempo"===t.data.subtype&&l.tempos.push({tick:e.tick,tempo:t.data.microsecondsPerBeat})})}),l.measures=t.notation.measures.reduce((e,t,i)=>{const r=Array.from(new Set(t.notes.map(e=>e.tick))).sort((e,t)=>e-t);return t.notes.forEach(e=>{s.set(e.id,r.indexOf(e.tick))}),e[t.tick]={measure:i,duration:t.duration,note_ticks:r},e},{}),l.measureInfos=t.notation.measures.map((e,t)=>({number:String(t+1),fifths:e.keySignature,beats:e.timeSignature.numerator,beatUnit:e.timeSignature.denominator}));const a=t.notation.toPerformingMIDI(t.notation.measures.map((e,t)=>t+1)).tracks,{partGroups:c}=e.staffLayout;let u=a.map((t,s)=>{const i=c[s].key;let r;switch(i){case"vi":case"vi1":case"vi2":r=40;break;case"viola":r=42;break;case"vo":r=55;break;case"basso":r=71;break;default:r=0}return{program:r,channel:s,name:e.instrumentDict[i]??"Piano",track:t}});if(c.some(e=>e.group.grand)){const t=/l\.?h\.?|左手|left hand/i,s=/r\.?h\.?|右手|right hand/i,i=Object.entries(e.instrumentDict).filter(([e,i])=>t.test(i)||s.test(i)).map(([e,s])=>({key:e,hand:t.test(s)?"left":"right"}));let r,n=null;if(2===i.length&&i[0].hand!==i[1].hand){const t=i.find(e=>"left"===e.hand),s=i.find(e=>"right"===e.hand);n=[e.staffLayout.staffIds.findIndex(e=>e===s?.key),e.staffLayout.staffIds.findIndex(e=>e===t?.key)],r=c.findIndex(e=>e.range[0]<=Math.min(...n)&&e.range[1]>=Math.max(...n))}if(Number.isFinite(r)&&r>-1){const e=u[r],t=[];e.track.forEach(e=>{Number.isFinite(e.staff)&&(t[e.staff]||(t[e.staff]=[]),t[e.staff].push(e)),"meta"===e.type&&t.forEach(t=>{t.push(e)})}),u.splice(r,1,t.filter(Boolean).map(t=>({...e,track:t}))),u=u.flat(),l.rightHandTrack=n[0],l.leftHandTrack=n[1]}else u.sort((e,t)=>e===u[r]?-1:0)}l.tracks=u.map(({program:e,channel:t,name:s})=>({program:e,channel:t,name:s}));const h=u.map(({track:e})=>{const t=new Map;return e.map(e=>{if("noteOn"===e.subtype&&t.set(e.noteNumber,e),"noteOff"===e.subtype){const s=t.get(e.noteNumber);s?.noteNumber===e.noteNumber&&(s.duration=e.ticks-s.ticks)}return e})}),m=new Map(Object.entries(l.measures).map(([e,t])=>[t.measure,+e]));l.events=h.map((e,t)=>e.filter(e=>"channel"===e.type).map(e=>{e?.ids?.[0]&&(e.numId=n.get(e.ids[0]));let i=[0,0,0];switch(e.subtype){case"noteOn":i=[144|e.channel,e.noteNumber,e.velocity];break;case"noteOff":i=[128|e.channel,e.noteNumber,e.velocity?e.velocity:0];break;case"noteAftertouch":i=[160|e.channel,e.noteNumber,e.amount];break;case"controller":i=[176|e.channel,e.controllerType,e.value];break;case"programChange":i=[192|e.channel,e.programNumber,0];break;case"channelAftertouch":i=[208|e.channel,e.amount,0];break;case"pitchBend":i=[224|e.channel,255&e.value,e.value>>7&255];break;default:throw new Error("unhandled event subtype:"+e.subtype)}return{..."noteOn"===e.subtype?{id:n.get(e?.ids?.[0])}:{},tick:e.ticks,channel:e.channel,duration:e.duration,track:t,event:i,elem_ids:e?.ids.map(e=>n.get(e)),measure:e.measure-1,meas_start_tick:m.get(e.measure-1),staff:o.get(e.ids[0]),note:s.get(e.ids[0])}})).flat(1).sort((e,t)=>{for(const s of["tick","measure","track"])if(e[s]!==t[s])return e[s]-t[s];return 0})}return{scoreJson:r,midiJson:l}},exports.evaluateScoreQuality=async(e,t)=>(e.spartito?.regulated||await Yi(e,t),e.spartito.regulated?e.spartito.qualityScore:null),exports.getScoreJsonImages=e=>[...e.pages.map(e=>e?.src),...e.lines.map(e=>e.lineStaves.map(e=>e.imgs)).flat(2).map(e=>e?.src).filter(Boolean)],exports.predictPages=async(e,t,s={outputWidth:1200,pageStore:Ai,onReplaceImage:Pi})=>{const i=e.logger;s.outputWidth=s.outputWidth||1200,s.pageStore=s.pageStore||Ai,s.onReplaceImage=s.onReplaceImage||Pi,s.processes=Array.isArray(s.processes)&&s.processes.length>0?s.processes:["layout","text","gauge","mask","semantic","brackets"];const r=new OMRProgress(s.onProgress),n=Date.now();t.forEach(e=>{e.layout?.detection?e.layout.detection.areas=e.layout.detection?.areas?.filter(e=>e?.staves?.middleRhos?.length>0):delete e.layout});const a=new Score({title:s?.title,stavesCount:2,paperOptions:{raggedLast:!0,raggedLastBottom:!0},headers:{},instrumentDict:{},settings:{enabledGauge:s.processes.includes("gauge"),semanticConfidenceThreshold:1}});i.info(`[predictor]: download_source_images-${t.length}`);const o=await Promise.all(t.map(e=>c.loadImage(e.url)));i.info(`[predictor]: source_images_downloaded-${t.length}`);const l=o.map((e,s)=>function(e,t){let s=e.height/e.width*t;const i=new c.Canvas(t,s);return i.getContext("2d").drawImage(e,0,0,t,t*e.height/e.width),i}(e,t[s].layout?.sourceSize?.width??e.width));r.setTotal("layout",o.length),r.setTotal("text",o.length);const u=await Promise.all(l.map(async(s,i)=>t[i].layout?!t[i].enableGauge&&t[i]?.layout?.detection?.areas?.length?(await e.predictScoreImages("layout$reinforce",[s.toBufferSync("png")],[t[i].layout]))?.[0]:t[i].layout:(await e.predictScoreImages("layout",[s.toBufferSync("png")]))?.[0]));u.forEach(e=>{e.detection.areas=e.detection?.areas?.filter(e=>e?.staves?.middleRhos?.length>0)});const h=new Map,m=async e=>{const t=await s.onReplaceImage(e);h.set(e,t)};async function f(e,i){const{url:n,key:o,layout:u,enableGauge:h}=t[i],m=yi(JSON.stringify({key:o||n,layout:u,enableGauge:h})),f=await s.pageStore.get(m),d=!s.renew&&(f&&!t[i].renew||!e.detection.areas?.length),p=a.pages[i]=d&&f?ae(f,$s):new Page({source:{name:o||("string"==typeof n&&/https?:\/\//.test(n)?n:null),size:0,url:n,crop:{unit:"%",x:0,y:0,width:100,height:100},dimensions:e.sourceSize,matrix:[Math.cos(e.theta),-Math.sin(e.theta),Math.sin(e.theta),Math.cos(e.theta),0,0],interval:e.interval,needGauge:t[i].enableGauge},layout:e.detection}),g=d?null:await async function({page:e,score:t,pageCanvas:s}){if(!e?.layout?.areas?.length)return null;e.width=t.pageSize.width/t.unitSize,e.height=t.pageSize.height/t.unitSize;const i=new c.Canvas(s.width,s.height),r=i.getContext("2d");r.save();const{width:n,height:a}=i,[o,l,u,h]=e.source.matrix;r.setTransform(o,l,u,h,-.5*n+.5*o*n+.5*l*a,-.5*a+.5*u*n+.5*h*a),r.drawImage(s,0,0),r.restore();const m=e.source.interval;return e.layout.areas.map((t,i)=>{console.assert(t.staves?.middleRhos?.length,"[shootImageByDetection] empty area:",t);const n=r.getImageData(t.x,t.y,t.width,t.height),a=new c.Canvas(t.width,t.height);a.getContext("2d").putImageData(n,0,0);const o=t.staves,l={width:t.width,height:t.height},u=s.width/2/m,h=s.height/2/m,f={x:(t.x+t.staves.phi1)/m-u+e.width/2,y:t.y/m-h+e.height/2};e.systems[i]=vi({page:e,backgroundImage:a.toBufferSync("png"),detection:o,imageSize:l,position:f})}),i}({score:a,page:p,pageCanvas:l[i]});return r.increase("layout"),{page:p,omit:d,hash:m,correctCanvas:g}}!function(e,t,s){const i=t.filter(e=>e&&e.detection&&e.detection.areas?.length).map((e,t)=>{const s=Math.min(...e.detection.areas.filter(e=>e.staves?.middleRhos?.length).map(e=>e.staves.interval)),i=e.sourceSize;return{...e,index:t,vw:i.width/s,hwr:i.height/i.width}});if(!i.length)throw new Error("empty result");const r=i.sort((e,t)=>t.vw-e.vw)[0],n=Math.max(...i.map(e=>e.hwr));e.unitSize=s/r.vw,e.pageSize={width:s,height:s*n}}(a,u,s.outputWidth);const d=u.reduce((e,t)=>e+(t.detection.areas?.length??0),0),p=u.reduce((e,t)=>e+(t.detection.areas?.reduce?.((e,t)=>e+(t.staves?.middleRhos?.length??0),0)??0),0);r.setTotal("gauge",p),r.setTotal("mask",p),r.setTotal("semantic",p),r.setTotal("brackets",d);const g=[],y=[],v=Date.now();let x=0;for(const n of u.keys()){const o=[],{page:l,correctCanvas:d,omit:p,hash:v}=await f(u[n],n);if(o.push(m(l.source.url)),o.push(...l.systems.map(e=>m(e.backgroundImage))),i.info(`[predictor]: check_cache_pageIndex-${n} omit: ${p}`),p)y.push(n);else{const u=l.systems.map((e,t)=>e.staves.map((s,i)=>({pageIndex:n,systemIndex:t,staffIndex:i,page:l,system:e,staff:s}))).flat(1);await Mi([async()=>{if(!s.processes.includes("brackets"))return;const t=l.layout,a=l.source.interval,o=Date.now(),u=l.systems.map((e,s)=>{const{x:i,y:r,staves:{middleRhos:n,phi1:o}}=t.areas[s],l=n[0],u=n[n.length-1],h={x:i+o-4*a,y:r+l-4*a,width:8*a,height:u-l+8*a},m=new c.Canvas(64,h.height/a*8);return m.getContext("2d").drawImage(d,h.x,h.y,h.width,h.height,0,0,m.width,m.height),{system:e,buffer:m.toBufferSync("png")}});i.info(`[predictor]: brackets js [pageIndex-${n}] duration: ${Date.now()-o}`);const h=await e.predictScoreImages("brackets",{buffers:u.map(e=>e.buffer)});r.increase("brackets",u.length),u.forEach(({system:e},t)=>{h[t]&&(e.bracketsAppearance=h[t])})},async()=>{if(s.processes.includes("text"))try{const t=Date.now(),o=d.toBufferSync("png"),c=(await e.predictScoreImages("textLoc",[o]))[0].filter(e=>e.score>0);if(c.length>0){const[t]=await e.predictScoreImages("textOcr",{buffers:[o],location:c});l.assignTexts(t.areas,t.imageSize),l.assemble()}if(i.info(`[predictor]: text js [pageIndex-${n}] duration: ${Date.now()-t}`),r.increase("text"),!s.title){const e=a.pages[0].tokens;if(Array.isArray(e)&&e.length>0){const[t]=e.filter(e=>e.type===B.Text&&"Title"===e.textType).sort((e,t)=>t.fontSize-e.fontSize);t&&(a.title=t.text)}}}catch(e){i.error(`[predictor]: text js [pageIndex-${n}] ${JSON.stringify(e)}`)}},async()=>{var c;await(c=async()=>{if(s.processes.includes("gauge")&&!1!==t[n].enableGauge){const t=await e.predictScoreImages("gauge",await Promise.all(u.map(async({staffIndex:e,system:t})=>{const s=Date.now(),r=await Ei(t,e,{paddingLeft:Si,spec:bi});return i.info(`[predictor]: gauge js shoot [page-${n}, staff-${e}] duration: ${Date.now()-s}`),r.toBufferSync("png")})));for(const[s,{system:n,staff:a,pageIndex:c,staffIndex:l}]of u.entries()){const u=Date.now();i.info(`[predictor]: gauge js [page-${c}, staff-${l}] start..`),await Ii({pyClients:e,system:n,staff:a,staffIndex:l,gaugeImage:t[s].image}),i.info(`[predictor]: gauge js [page-${c}, staff-${l}] duration: ${Date.now()-u}`),r.increase("gauge"),o.push(m(a.backgroundImage))}}else for(const[e,{system:t,staff:s,staffIndex:i}]of u.entries())await Ni({system:t,staff:s,staffIndex:i}),o.push(m(s.backgroundImage))},c()),await Mi([async()=>{if(!s.processes.includes("mask"))return;const t=await e.predictScoreImages("mask",u.map(({staff:e})=>e.backgroundImage));for(const[e,{staff:s,staffIndex:a}]of u.entries()){const c=Date.now();await Ci({staff:s,staffIndex:a,maskImage:t[e].image}),i.info(`[predictor]: mask js [page-${n}, ${e}, staff-${a}] duration: ${Date.now()-c}`),r.increase("mask"),o.push(m(s.maskImage))}},async()=>{if(!s.processes.includes("semantic"))return;const t=ae(await e.predictScoreImages("semantic",u.map(({staff:e})=>e.backgroundImage)),$s);u.forEach(({system:e})=>e.clearTokens());for(const[e,{staffIndex:s,system:o,staff:c}]of u.entries()){const l=Date.now();await _i({score:a,system:o,staff:c,staffIndex:s,graph:t[e]}),i.info(`[predictor]: semantic js [page-${n}, system-${o.index}, staff-${c.index}] duration: ${Date.now()-l}`),r.increase("semantic")}}])}]),++x}g.push(Promise.all(o).then(()=>(Oi(l,e=>h.get(e)),i.info(`[predictor]: pageStore set: [${n}]`),s.pageStore.set(v,JSON.stringify(l)))))}const S=Date.now();await Promise.all(g),i.info(`[predictor]: inferenceStaffLayout: ${a.title}, [${a.systems.length}]`),a.inferenceStaffLayout(),i.info(`[predictor]: done: ${a.title}`),a.assemble();const b=Date.now();return{score:a,omitPages:y,stat:{cost:b-n,pagesCost:S-v,pages:x}}},exports.regulateWithBeadSolver=async(e,{logger:t,pickers:s,solutionStore:i=$i,ignoreCache:r,freshOnly:n,onSaveIssueMeasure:a,onProgress:o,onPassStart:c})=>{e.spartito=void 0,e.assemble();const l=e.makeSpartito();l.measures.forEach(t=>e.assignBackgroundForMeasure(t));const u=Date.now();t?.info(`[regulateWithBeadSolver] begin, measure total: ${l.measures.length}.`,r?"ignoreCache":"",n?"freshOnly":"");const h=l.measures.filter(e=>e.events?.length&&!e.patched).map(e=>({origin:e.deepCopy(),current:e,evaluation:void 0,baseQuality:0}));for(const e of l.measures.filter(e=>e.events?.length)){const t=s.find(t=>t.n_seq>e.events.length+1);t&&await Fs(e,t)}l.rectifyTimeSignatures(t),s.forEach(e=>e.cost=0);const m={cached:0,simple:0,computed:0,tryTimes:0,solved:0,issue:0,fatal:0};if(t?.info("[regulateWithBeadSolver] measures estimation finished."),i&&!r)for(const e of h){const t=await i.get(e.origin.regulationHash0);t&&(e.current.applySolution(t),++m.cached,e.evaluation=Ke(e.current),e.baseQuality=e.evaluation.qualityScore)}t?.info("[regulateWithBeadSolver]",`${m.cached}/${h.length}`,"solutions loaded.");const f=t?null:process.stdout;m.cached&&f?.write(`${m.cached}c`),h.forEach(e=>{const i=s.find(t=>t.n_seq>e.current.events.length+1);i?e.picker=i:t?.info(`[regulateWithBeadSolver] measure[${e.current.measureIndex}] size out of range:`,e.current.events.length)});const d=h.filter(e=>e.picker&&(!e.evaluation||!e.evaluation.fine&&!n));d.forEach(e=>{const s=e.current.deepCopy();s.staffGroups=e.current.staffGroups,s.regulate({policy:"simple"});const i=Ke(s);(!e.evaluation||i.qualityScore>e.evaluation.qualityScore)&&(e.evaluation=i,Object.assign(e.current,s),i.perfect&&(t?.info(`[regulateWithBeadSolver] measure[${e.current.measureIndex}] regulated by simple policy.`),++m.simple))}),m.computed=d.length-m.simple,m.simple&&f?.write(`${m.simple}s`);const p=(e,s,i)=>{t?.info(`[regulateWithBeadSolver] measure[${e.measureIndex}/${l.measures.length}] regulated${i?"+":"-"}: ${s.qualityScore.toFixed(3)}, ${s.fine?"solved":s.error?"error":"issue"}, ${e.regulationHash}`),f?.write(`[${s.fine?"32":s.error?"31":"33"}m${i?"+":"-"}`)},g=l.measures.length,y=()=>d.filter(e=>!e.evaluation?.fine).length,v=o?(e,t,s,i)=>{o(e,t,s,{pass:i.pass,remaining:y(),total:g})}:void 0;c?.(1,"Imperfect",y()),m.tryTimes+=await Hi(d,p,f,{stopLoss:.05,quotaMax:200,quotaFactor:3,ptFactor:1},ji.Imperfect,1,v),c?.(2,"NotFine",y()),m.tryTimes+=await Hi(d,p,f,{stopLoss:.08,quotaMax:1e3,quotaFactor:20,ptFactor:1.6},ji.NotFine,2,v),c?.(3,"ErrorOnly",y()),m.tryTimes+=await Hi(d,p,f,{stopLoss:.08,quotaMax:1e3,quotaFactor:40,ptFactor:3},ji.ErrorOnly,3,v),d.forEach(({evaluation:e,baseQuality:t,current:s,origin:r})=>{e.fine?++m.solved:e.error?++m.fatal:++m.issue,(e.qualityScore>t||!t)&&(i.set(r.regulationHash0,{...s.asSolution(r),priority:-s?.solutionStat?.loss}),s.regulationHash!==r.regulationHash0&&i.set(s.regulationHash,{...s.asSolution(),priority:-s?.solutionStat?.loss})),e.fine||a?.({measureIndex:s.measureIndex,measure:new EditableMeasure(s),status:e.error?2:1})});const x=Date.now(),S=s.reduce((e,t)=>e+t.cost,0),b=l.qualityScore,k=x-u;return t?.info("[regulateWithBeadSolver] done in ",k,"ms, qualityScore:",b),n&&(m.cached=0),{totalCost:x-u,pickerCost:S,measures:m,qualityScore:b}},exports.replaceScoreJsonImages=(e,t=e=>e)=>{const s=JSON.parse(JSON.stringify(e));return s.pages.forEach(e=>{e?.src&&(e.src=t(e?.src))}),s.lines.forEach(e=>{e.lineStaves.forEach(e=>{e.imgs.forEach(e=>{e?.src&&(e.src=t(e.src))})})}),s},exports.saveEditableMeasures=async(e,t,s,{status:i=2,solutionStore:r}={})=>{e.assemble();const n=e.spartito||e.makeSpartito(),a=t.map(e=>n.measures.find(t=>t.measureIndex===e)).filter(Boolean);if(r){const e=await r.batchGet(a.map(e=>e.regulationHash0));a.forEach((t,s)=>{const i=e[s];i&&t.applySolution(i)})}a.forEach(e=>{s({measureIndex:e.measureIndex,measure:new EditableMeasure(e),status:i})})},exports.starry=$s,exports.updateScorePatches=(e,t,s={})=>{if(console.assert(t.every(e=>e.validRegulated),"[updateScorePatches] some measures not valid regulated:",t.filter(e=>!e.validRegulated)),e.patches=t.map(e=>e.createPatch()),s?.solutionStore){e.assemble();const i=e.makeSpartito();t.forEach(e=>{if(s.solutionStore.set(e.regulationHash,{...e.asSolution(),priority:1}),e.regulationHash0!==e.regulationHash){const t=i.measures.find(t=>t.measureIndex===e.measureIndex);s.solutionStore.set(e.regulationHash0,{...e.asSolution(t),priority:1})}})}}; //# sourceMappingURL=index.js.map