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crates/swc_ecma_parser/tests/tsc/jsdocImportTypeReferenceToESModule.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @Filename: ex.d.ts export var config: {} // @Filename: test.js /** @param {import('./ex')} a */ function demo(a) { a.config }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocImportTypeReferenceToStringLiteral.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @Filename: b.js export const FOO = "foo"; // @Filename: a.js /** @type {import('./b').FOO} */ let x;
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocIndexSignature.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @Filename: indices.js /** @type {Object.<string, number>} */ var o1; /** @type {Object.<number, boolean>} */ var o2; /** @type {Object.<boolean, string>} */ var o3; /** @param {Object.<string, boolean>} o */ function f(o) { o.foo = 1; // error o.bar = false; // ok }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocInvalidTokens.ts
TypeScript
// @Filename: jsdocInvalidTokens.js // @strict: true // @allowJs: true // @checkJs: true // @noEmit: true /** * * unicode-escape = "\u{abcdefghi}" -- should not have error for invalid unicode escape * unicode-escape2 = "qq\u{abcdefghi}" -- no error here either * quoted-pair = "\" -- should not have error for invalid quote sequence * or for the tag below: * @private */ var hi = 1
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocLinkTag1.ts
TypeScript
// @noUnusedLocals: true // @filename: /a.ts export interface A {} // @filename: /b.ts import type { A } from "./a"; /** {@link A} */ export interface B {}
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocLinkTag2.ts
TypeScript
// @noUnusedLocals: true // @checkJs: true // @allowJs: true // @target: esnext // @noEmit: true // @filename: /a.js export class A {} // @filename: /b.js import { A } from "./a"; /** {@link A} */ export class B {}
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocLinkTag3.ts
TypeScript
// @noUnusedLocals: true // @filename: /a.ts export interface A {} // @filename: /b.ts import type { A } from "./a"; /** * @param {number} a - see {@link A} */ export function foo(a: string) {}
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocLinkTag4.ts
TypeScript
// @noUnusedLocals: true // @filename: /a.ts export interface A {} // @filename: /b.ts import * as a from "./a"; /** * @param {number} a - see {@link a.A} */ export function foo(a: string) {}
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocLinkTag5.ts
TypeScript
// @noUnusedLocals: true // @filename: /a.ts /** {@link UNRESOLVED_LINK} */ export interface A {}
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocLinkTag6.ts
TypeScript
// @filename: /a.ts class A { foo() {} } class B extends A { /** * @override {@link A.foo} */ foo() {} }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocLinkTag7.ts
TypeScript
// @checkJs: true // @allowJs: true // @target: esnext // @noEmit: true // @filename: /a.js class Foo { /** * {@linkcode this.a} * {@linkcode this.#c} * * {@link this.a} * {@link this.#c} * * {@linkplain this.a} * {@linkplain this.#c} */ a() { } b() { } #c() { } }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocLinkTag8.ts
TypeScript
// @checkJs: true // @allowJs: true // @target: esnext // @noEmit: true // @filename: /a.js /** {@link Map.delete} */ const remove = (map, key) => {}
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocLiteral.ts
TypeScript
// @allowJs: true // @filename: in.js // @outFile: out.js /** * @param {'literal'} p1 * @param {"literal"} p2 * @param {'literal' | 'other'} p3 * @param {'literal' | number} p4 * @param {12 | true | 'str'} p5 */ function f(p1, p2, p3, p4, p5) { return p1 + p2 + p3 + p4 + p5 + '.'; }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocNeverUndefinedNull.ts
TypeScript
// @allowJs: true // @filename: in.js // @outFile: out.js /** * @param {never} p1 * @param {undefined} p2 * @param {null} p3 * @returns {void} nothing */ function f(p1, p2, p3) { }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocOuterTypeParameters1.ts
TypeScript
// @checkjs: true // @filename: jsdocOuterTypeParameters1.js /** @return {T} */ const dedupingMixin = function(mixin) {}; /** @template {T} */ const PropertyAccessors = dedupingMixin(() => { class Bar { static bar() { this.prototype.foo(); } } });
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocOuterTypeParameters2.ts
TypeScript
// @checkjs: true // @filename: jsdocOuterTypeParameters1.js /** @return {T} */ const dedupingMixin = function(mixin) {}; /** @template T */ const PropertyAccessors = dedupingMixin(() => { class Bar { static bar() { this.prototype.foo(); } } });
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocOuterTypeParameters3.ts
TypeScript
// @checkjs: true // @filename: jsdocOuterTypeParameters3.js /** @template {T} */ class Baz { m() { class Bar { static bar() { this.prototype.foo(); } } } }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocOverrideTag1.ts
TypeScript
// @allowJS: true // @checkJS: true // @noEmit: true // @noImplicitOverride: true // @Filename: 0.js class A { /** * @method * @param {string | number} a * @returns {boolean} */ foo (a) { return typeof a === 'string' } bar () { } } class B extends A { /** * @override * @method * @param {string | number} a * @returns {boolean} */ foo (a) { return super.foo(a) } bar () { } /** @override */ baz () { } } class C { /** @override */ foo () { } }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocParamTag2.ts
TypeScript
// @allowJS: true // @checkJS: true // @noEmit: true // @Filename: 0.js // Object literal syntax /** * @param {{a: string, b: string}} obj * @param {string} x */ function good1({a, b}, x) {} /** * @param {{a: string, b: string}} obj * @param {{c: number, d: number}} OBJECTION */ function good2({a, b}, {c, d}) {} /** * @param {number} x * @param {{a: string, b: string}} obj * @param {string} y */ function good3(x, {a, b}, y) {} /** * @param {{a: string, b: string}} obj */ function good4({a, b}) {} // nested object syntax /** * @param {Object} obj * @param {string} obj.a - this is like the saddest way to specify a type * @param {string} obj.b - but it sure does allow a lot of documentation * @param {string} x */ function good5({a, b}, x) {} /** * @param {Object} obj * @param {string} obj.a * @param {string} obj.b - but it sure does allow a lot of documentation * @param {Object} OBJECTION - documentation here too * @param {string} OBJECTION.c * @param {string} OBJECTION.d - meh */ function good6({a, b}, {c, d}) {} /** * @param {number} x * @param {Object} obj * @param {string} obj.a * @param {string} obj.b * @param {string} y */ function good7(x, {a, b}, y) {} /** * @param {Object} obj * @param {string} obj.a * @param {string} obj.b */ function good8({a, b}) {} /** * @param {{ a: string }} argument */ function good9({ a }) { console.log(arguments, a); } /** * @param {object} obj - this type gets ignored * @param {string} obj.a * @param {string} obj.b - and x's type gets used for both parameters * @param {string} x */ function bad1(x, {a, b}) {} /** * @param {string} y - here, y's type gets ignored but obj's is fine * @param {{a: string, b: string}} obj */ function bad2(x, {a, b}) {}
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocParamTagTypeLiteral.ts
TypeScript
// @allowJS: true // @checkJs: true // @noEmit: true // @strict: true // @suppressOutputPathCheck: true // @Filename: 0.js /** * @param {Object} notSpecial * @param {string} unrelated - not actually related because it's not notSpecial.unrelated */ function normal(notSpecial) { notSpecial; // should just be 'Object' } normal(12); /** * @param {Object} opts1 doc1 * @param {string} opts1.x doc2 * @param {string=} opts1.y doc3 * @param {string} [opts1.z] doc4 * @param {string} [opts1.w="hi"] doc5 */ function foo1(opts1) { opts1.x; } foo1({x: 'abc'}); /** * @param {Object[]} opts2 * @param {string} opts2[].anotherX * @param {string=} opts2[].anotherY */ function foo2(/** @param opts2 bad idea theatre! */opts2) { opts2[0].anotherX; } foo2([{anotherX: "world"}]); /** * @param {object} opts3 * @param {string} opts3.x */ function foo3(opts3) { opts3.x; } foo3({x: 'abc'}); /** * @param {object[]} opts4 * @param {string} opts4[].x * @param {string=} opts4[].y * @param {string} [opts4[].z] * @param {string} [opts4[].w="hi"] */ function foo4(opts4) { opts4[0].x; } foo4([{ x: 'hi' }]); /** * @param {object[]} opts5 - Let's test out some multiple nesting levels * @param {string} opts5[].help - (This one is just normal) * @param {object} opts5[].what - Look at us go! Here's the first nest! * @param {string} opts5[].what.a - (Another normal one) * @param {Object[]} opts5[].what.bad - Now we're nesting inside a nested type * @param {string} opts5[].what.bad[].idea - I don't think you can get back out of this level... * @param {boolean} opts5[].what.bad[].oh - Oh ... that's how you do it. * @param {number} opts5[].unnest - Here we are almost all the way back at the beginning. */ function foo5(opts5) { opts5[0].what.bad[0].idea; opts5[0].unnest; } foo5([{ help: "help", what: { a: 'a', bad: [{ idea: 'idea', oh: false }] }, unnest: 1 }]);
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocParseBackquotedParamName.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @strict: true // @Filename: a.js /** * @param {string=} `args` * @param `bwarg` {?number?} */ function f(args, bwarg) { } // @Filename: ts.ts /** * @param `arg` - this is fine */ function g(arg: string) { }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocParseDotDotDotInJSDocFunction.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @strict: true // @Filename: a.js // from bcryptjs /** @param {function(...[*])} callback */ function g(callback) { callback([1], [2], [3]) } /** * @type {!function(...number):string} * @inner */ var stringFromCharCode = String.fromCharCode;
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocParseHigherOrderFunction.ts
TypeScript
// @noemit: true // @allowjs: true // @checkjs: true // @strict: true // @Filename: paren.js /** @type {function((string), function((string)): string): string} */ var x = (s, id) => id(s)
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocParseMatchingBackticks.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @strict: true // @Filename: jsdocParseMatchingBackticks.js /** * `@param` initial at-param is OK in title comment * @param {string} x hi there `@param` * @param {string} y hi there `@ * param * this is the margin * so we'll drop everything before it `@param` @param {string} z hello??? * `@param` @param {string} alpha hello??? * `@ * param` @param {string} beta hello??? * @param {string} gamma */ export function f(x, y, z, alpha, beta, gamma) { return x + y + z + alpha + beta + gamma }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocParseParenthesizedJSDocParameter.ts
TypeScript
// @noemit: true // @allowjs: true // @checkjs: true // @strict: true // @Filename: paren.js /** @type {function((string)): string} */ var x = s => s.toString()
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocParseStarEquals.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @strict: true // @Filename: a.js /** @param {...*=} args @return {*=} */ function f(...args) { return null } /** @type *= */ var x; /** @param {function():*=} f */ function cbf(f) { }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocPostfixEqualsAddsOptionality.ts
TypeScript
// @Filename: a.js // @noEmit: true // @allowJs: true // @checkJs: true // @strict: true /** @param {number=} a */ function f(a) { a = 1 a = null // should not be allowed a = undefined } f() f(null) // should not be allowed f(undefined) f(1) /** @param {???!?number?=} a */ function g(a) { a = 1 a = null a = undefined } g() g(null) g(undefined) g(1)
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocPrefixPostfixParsing.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @strictNullChecks: true // @noImplicitAny: true // @Filename: prefixPostfix.js /** * @param {number![]} x - number[] * @param {!number[]} y - number[] * @param {(number[])!} z - number[] * @param {number?[]} a - parse error without parentheses * @param {?number[]} b - number[] | null * @param {(number[])?} c - number[] | null * @param {...?number} e - (number | null)[] * @param {...number?} f - number[] | null * @param {...number!?} g - number[] | null * @param {...number?!} h - parse error without parentheses (also nonsensical) * @param {...number[]} i - number[][] * @param {...number![]?} j - number[][] | null * @param {...number?[]!} k - parse error without parentheses * @param {number extends number ? true : false} l - conditional types work * @param {[number, number?]} m - [number, (number | undefined)?] */ function f(x, y, z, a, b, c, e, f, g, h, i, j, k, l, m) { }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocPrivateName1.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @lib: dom,esnext // @Filename: jsdocPrivateName1.js // @target: es2015 class A { /** @type {boolean} some number value */ #foo = 3 // Error because not assignable to boolean }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocPrivateName2.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @lib: dom,esnext // @Filename: jsdocPrivateName1.js // Expecting parse error for private field /** * @typedef A * @type {object} * @property {string} #id */
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocPrototypePropertyAccessWithType.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @Filename: /a.js function C() { this.x = false; }; /** @type {number} */ C.prototype.x; new C().x;
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocReadonly.ts
TypeScript
// @allowJs: true // @checkJs: true // @target: esnext // @noEmit: true // @Filename: jsdocReadonly.js class LOL { /** * @readonly * @private * @type {number} * Order rules do not apply to JSDoc */ x = 1 /** @readonly */ y = 2 /** @readonly Definitely not here */ static z = 3 /** @readonly This is OK too */ constructor() { /** ok */ this.y = 2 /** @readonly ok */ this.ka = 2 } } var l = new LOL() l.y = 12
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocReadonlyDeclarations.ts
TypeScript
// @allowJs: true // @checkJs: true // @target: esnext // @outFile: foo.js // @declaration: true // @Filename: jsdocReadonlyDeclarations.js // @useDefineForClassFields: false class C { /** @readonly */ x = 6 /** @readonly */ constructor(n) { this.x = n /** * @readonly * @type {number} */ this.y = n } } new C().x function F() { /** @readonly */ this.z = 1 } // https://github.com/microsoft/TypeScript/issues/38401 class D { constructor(/** @readonly */ x) {} }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocReturnTag1.ts
TypeScript
// @allowJs: true // @filename: returns.js // @outFile: dummy.js /** * @returns {string} This comment is not currently exposed */ function f() { return 5; } /** * @returns {string=} This comment is not currently exposed */ function f1() { return 5; } /** * @returns {string|number} This comment is not currently exposed */ function f2() { return 5 || "hello"; }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocSignatureOnReturnedFunction.ts
TypeScript
// @allowJs: true // @checkJs: true // @target: esnext // @noImplicitAny: true // @declaration: true // @outDir: out // @Filename: jsdocSignatureOnReturnedFunction.js function f1() { /** * @param {number} a * @param {number} b * @returns {number} */ return (a, b) => { return a + b; } } function f2() { /** * @param {number} a * @param {number} b * @returns {number} */ return function (a, b){ return a + b; } } function f3() { /** @type {(a: number, b: number) => number} */ return (a, b) => { return a + b; } } function f4() { /** @type {(a: number, b: number) => number} */ return function (a, b){ return a + b; } }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateClass.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @Filename: templateTagOnClasses.js /** * @template T * @typedef {(t: T) => T} Id */ /** @template T */ class Foo { /** @typedef {(t: T) => T} Id2 */ /** @param {T} x */ constructor (x) { this.a = x } /** * * @param {T} x * @param {Id<T>} y * @param {Id2} alpha * @return {T} */ foo(x, y, alpha) { return alpha(y(x)) } } var f = new Foo(1) var g = new Foo(false) f.a = g.a
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateConstructorFunction.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @Filename: templateTagOnConstructorFunctions.js /** * @template U * @typedef {(u: U) => U} Id */ /** * @param {T} t * @template T */ function Zet(t) { /** @type {T} */ this.u this.t = t } /** * @param {T} v * @param {Id<T>} id */ Zet.prototype.add = function(v, id) { this.u = v || this.t return id(this.u) } var z = new Zet(1) z.t = 2 z.u = false
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateConstructorFunction2.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @Filename: templateTagWithNestedTypeLiteral.js /** * @param {T} t * @template T */ function Zet(t) { /** @type {T} */ this.u this.t = t } /** * @param {T} v * @param {object} o * @param {T} o.nested */ Zet.prototype.add = function(v, o) { this.u = v || o.nested return this.u } var z = new Zet(1) z.t = 2 z.u = false /** @type {number} */ let answer = z.add(3, { nested: 4 }) // lookup in typedef should not crash the compiler, even when the type is unknown /** * @typedef {Object} A * @property {T} value */ /** @type {A} */ const options = { value: null };
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateTag.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @lib: dom,esnext // @Filename: forgot.js /** * @param {T} a * @template T */ function f(a) { return () => a } let n = f(1)() /** * @param {T} a * @template T * @returns {function(): T} */ function g(a) { return () => a } let s = g('hi')() /** * @param {Array.<Object>} keyframes - Can't look up types on Element since it's a global in another file. (But it shouldn't crash). */ Element.prototype.animate = function(keyframes) {};
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateTag2.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @lib: dom,esnext // @Filename: github17339.js var obj = { /** * @template T * @param {T} a * @returns {T} */ x: function (a) { return a; }, };
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateTag3.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @Filename: a.js /** * @template {{ a: number, b: string }} T,U A Comment * @template {{ c: boolean }} V uh ... are comments even supported?? * @template W * @template X That last one had no comment * @param {T} t * @param {U} u * @param {V} v * @param {W} w * @param {X} x * @return {W | X} */ function f(t, u, v, w, x) { if(t.a + t.b.length > u.a - u.b.length && v.c) { return w; } return x; } f({ a: 12, b: 'hi', c: null }, undefined, { c: false, d: 12, b: undefined }, 101, 'nope'); f({ a: 12 }, undefined, undefined, 101, 'nope'); /** * @template {NoLongerAllowed} * @template T preceding line's syntax is no longer allowed * @param {T} x */ function g(x) { }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateTag4.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @strict: true // @Filename: a.js /** * Should work for function declarations * @constructor * @template {string} K * @template V */ function Multimap() { /** @type {Object<string, V>} TODO: Remove the prototype from the fresh object */ this._map = {}; }; /** * @param {K} key the key ok * @returns {V} the value ok */ Multimap.prototype.get = function (key) { return this._map[key + '']; } /** * Should work for initialisers too * @constructor * @template {string} K * @template V */ var Multimap2 = function() { /** @type {Object<string, V>} TODO: Remove the prototype from the fresh object */ this._map = {}; }; /** * @param {K} key the key ok * @returns {V} the value ok */ Multimap2.prototype.get = function (key) { return this._map[key + '']; } var Ns = {}; /** * Should work for expando-namespaced initialisers too * @constructor * @template {string} K * @template V */ Ns.Multimap3 = function() { /** @type {Object<string, V>} TODO: Remove the prototype from the fresh object */ this._map = {}; }; /** * @param {K} key the key ok * @returns {V} the value ok */ Ns.Multimap3.prototype.get = function (key) { return this._map[key + '']; }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateTag5.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @strict: true // @Filename: a.js /** * Should work for function declarations * @constructor * @template {string} K * @template V */ function Multimap() { /** @type {Object<string, V>} TODO: Remove the prototype from the fresh object */ this._map = {}; }; Multimap.prototype = { /** * @param {K} key the key ok * @returns {V} the value ok */ get(key) { return this._map[key + '']; } } /** * Should work for initialisers too * @constructor * @template {string} K * @template V */ var Multimap2 = function() { /** @type {Object<string, V>} TODO: Remove the prototype from the fresh object */ this._map = {}; }; Multimap2.prototype = { /** * @param {K} key the key ok * @returns {V} the value ok */ get: function(key) { return this._map[key + '']; } } var Ns = {}; /** * Should work for expando-namespaced initialisers too * @constructor * @template {string} K * @template V */ Ns.Multimap3 = function() { /** @type {Object<string, V>} TODO: Remove the prototype from the fresh object */ this._map = {}; }; Ns.Multimap3.prototype = { /** * @param {K} key the key ok * @returns {V} the value ok */ get(key) { return this._map[key + '']; } }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateTag6.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @strict: true // @Filename: a.js /** * @template const T * @param {T} x * @returns {T} */ function f1(x) { return x; } const t1 = f1("a"); const t2 = f1(["a", ["b", "c"]]); const t3 = f1({ a: 1, b: "c", d: ["e", 2, true, { f: "g" }] }); /** * @template const T, U * @param {T} x * @returns {T} */ function f2(x) { return x; }; const t4 = f2('a'); const t5 = f2(['a', ['b', 'c']]); const t6 = f2({ a: 1, b: "c", d: ["e", 2, true, { f: "g" }] }); /** * @template const T * @param {T} x * @returns {T[]} */ function f3(x) { return [x]; } const t7 = f3("hello"); const t8 = f3("hello"); /** * @template const T * @param {[T, T]} x * @returns {T} */ function f4(x) { return x[0]; } const t9 = f4([[1, "x"], [2, "y"]]); const t10 = f4([{ a: 1, b: "x" }, { a: 2, b: "y" }]); /** * @template const T * @param {{ x: T, y: T}} obj * @returns {T} */ function f5(obj) { return obj.x; } const t11 = f5({ x: [1, "x"], y: [2, "y"] }); const t12 = f5({ x: { a: 1, b: "x" }, y: { a: 2, b: "y" } }); /** * @template const T */ class C { /** * @param {T} x */ constructor(x) {} /** * @template const U * @param {U} x */ foo(x) { return x; } } const t13 = new C({ a: 1, b: "c", d: ["e", 2, true, { f: "g" }] }); const t14 = t13.foo(["a", ["b", "c"]]); /** * @template {readonly unknown[]} const T * @param {T} args * @returns {T} */ function f6(...args) { return args; } const t15 = f6(1, 'b', { a: 1, b: 'x' });
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateTag7.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @strict: true // @Filename: a.js /** * @template const T * @typedef {[T]} X */ /** * @template const T */ class C { } /** * @template private T * @param {T} x * @returns {T} */ function f(x) { return x; }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateTag8.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @strict: true // @Filename: a.js /** * @template out T * @typedef {Object} Covariant * @property {T} x */ /** * @type {Covariant<unknown>} */ let super_covariant = { x: 1 }; /** * @type {Covariant<string>} */ let sub_covariant = { x: '' }; super_covariant = sub_covariant; sub_covariant = super_covariant; // Error /** * @template in T * @typedef {Object} Contravariant * @property {(x: T) => void} f */ /** * @type {Contravariant<unknown>} */ let super_contravariant = { f: (x) => {} }; /** * @type {Contravariant<string>} */ let sub_contravariant = { f: (x) => {} }; super_contravariant = sub_contravariant; // Error sub_contravariant = super_contravariant; /** * @template in out T * @typedef {Object} Invariant * @property {(x: T) => T} f */ /** * @type {Invariant<unknown>} */ let super_invariant = { f: (x) => {} }; /** * @type {Invariant<string>} */ let sub_invariant = { f: (x) => { return "" } }; super_invariant = sub_invariant; // Error sub_invariant = super_invariant; // Error /** * @template in T * @param {T} x */ function f(x) {}
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateTagDefault.ts
TypeScript
// @allowJs: true // @checkJs: true // @declaration: true // @outDir: out // @Filename: file.js /** * @template {string | number} [T=string] - ok: defaults are permitted * @typedef {[T]} A */ /** @type {A} */ // ok, default for `T` in `A` is `string` const aDefault1 = [""]; /** @type {A} */ // error: `number` is not assignable to string` const aDefault2 = [0]; /** @type {A<string>} */ // ok, `T` is provided for `A` const aString = [""]; /** @type {A<number>} */ // ok, `T` is provided for `A` const aNumber = [0]; /** * @template T * @template [U=T] - ok: default can reference earlier type parameter * @typedef {[T, U]} B */ /** * @template {string | number} [T] - error: default requires an `=type` * @typedef {[T]} C */ /** * @template {string | number} [T=] - error: default requires a `type` * @typedef {[T]} D */ /** * @template {string | number} [T=string] * @template U - error: Required type parameters cannot follow optional type parameters * @typedef {[T, U]} E */ /** * @template [T=U] - error: Type parameter defaults can only reference previously declared type parameters. * @template [U=T] * @typedef {[T, U]} G */ /** * @template T * @template [U=T] - ok: default can reference earlier type parameter * @param {T} a * @param {U} b */ function f1(a, b) {} /** * @template {string | number} [T=string] * @template U - error: Required type parameters cannot follow optional type parameters * @param {T} a * @param {U} b */ function f2(a, b) {} /** * @template [T=U] - error: Type parameter defaults can only reference previously declared type parameters. * @template [U=T] * @param {T} a * @param {U} b */ function f3(a, b) {}
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTemplateTagNameResolution.ts
TypeScript
// @allowJs: true // @checkJs: true // @outDir: out // @declaration: true // @Filename: file.js /** * @template T * @template {keyof T} K * @typedef {T[K]} Foo */ const x = { a: 1 }; /** @type {Foo<typeof x, "a">} */ const y = "a";
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocThisType.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @filename: /types.d.ts export interface Foo { foo: () => void; } export type M = (this: Foo) => void; // @filename: /a.js /** @type {import('./types').M} */ export const f1 = function() { this.test(); } /** @type {import('./types').M} */ export function f2() { this.test(); } /** @type {(this: import('./types').Foo) => void} */ export const f3 = function() { this.test(); } /** @type {(this: import('./types').Foo) => void} */ export function f4() { this.test(); } /** @type {function(this: import('./types').Foo): void} */ export const f5 = function() { this.test(); } /** @type {function(this: import('./types').Foo): void} */ export function f6() { this.test(); }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTwoLineTypedef.ts
TypeScript
// Regression from #18301 /** * @typedef LoadCallback * @type {function} */ type LoadCallback = void;
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeDefAtStartOfFile.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @Filename: dtsEquivalent.js /** @typedef {{[k: string]: any}} AnyEffect */ /** @typedef {number} Third */ // @Filename: index.js /** @type {AnyEffect} */ let b; /** @type {Third} */ let c;
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeFromChainedAssignment.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @noImplicitAny: true // @Filename: a.js function A () { this.x = 1 /** @type {1} */ this.first = this.second = 1 } /** @param {number} n */ A.prototype.y = A.prototype.z = function f(n) { return n + this.x } /** @param {number} m */ A.s = A.t = function g(m) { return m + this.x } var a = new A() a.y('no') // error a.z('not really') // error A.s('still no') // error A.t('not here either') // error a.first = 10 // error: '10' isn't assignable to '1'
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeFromChainedAssignment2.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @noImplicitAny: true // @Filename: mod.js /** @param {number} n */ exports.f = exports.g = function fg(n) { return n + 1 } /** @param {string} mom */ module.exports.h = module.exports.i = function hi(mom) { return `hi, ${mom}!`; } // @Filename: use.js var mod = require('./mod'); mod.f('no') mod.g('also no') mod.h(0) mod.i(1)
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeFromChainedAssignment3.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @Filename: a.js exports.wrapSync = exports.selectSeries = exports.selectLimit = exports.select = exports.foldr = exports.foldl = exports.inject = exports.forEachOfLimit = exports.forEachOfSeries = exports.forEachOf = exports.forEachLimit = exports.forEachSeries = exports.forEach = exports.findSeries = exports.findLimit = exports.find = exports.anySeries = exports.anyLimit = exports.any = exports.allSeries = exports.allLimit = exports.all = exports.whilst = exports.waterfall = exports.until = exports.unmemoize = exports.tryEach = exports.transform = exports.timesSeries = exports.timesLimit = exports.times = exports.timeout = exports.sortBy = exports.someSeries = exports.someLimit = exports.some = exports.setImmediate = exports.series = exports.seq = exports.retryable = exports.retry = exports.rejectSeries = exports.rejectLimit = exports.reject = exports.reflectAll = exports.reflect = exports.reduceRight = exports.reduce = exports.race = exports.queue = exports.priorityQueue = exports.parallelLimit = exports.parallel = exports.nextTick = exports.memoize = exports.mapValuesSeries = exports.mapValuesLimit = exports.mapValues = exports.mapSeries = exports.mapLimit = exports.map = exports.log = exports.groupBySeries = exports.groupByLimit = exports.groupBy = exports.forever = exports.filterSeries = exports.filterLimit = exports.filter = exports.everySeries = exports.everyLimit = exports.every = exports.ensureAsync = exports.eachSeries = exports.eachOfSeries = exports.eachOfLimit = exports.eachOf = exports.eachLimit = exports.each = exports.during = exports.doWhilst = exports.doUntil = exports.doDuring = exports.dir = exports.detectSeries = exports.detectLimit = exports.detect = exports.constant = exports.concatSeries = exports.concatLimit = exports.concat = exports.compose = exports.cargo = exports.autoInject = exports.auto = exports.asyncify = exports.applyEachSeries = exports.applyEach = exports.apply = undefined;
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeReferenceExports.ts
TypeScript
// @allowJs: true // @noEmit: true // @checkJs: true // @Filename: bug27342.js module.exports = {} /** * @type {exports} */ var x
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeReferenceToImport.ts
TypeScript
// #34802 // @Filename: jsdocTypeReferenceToImport.js // @noEmit: true // @allowJs: true // @checkJs: true const C = require('./ex').C; const D = require('./ex')?.C; /** @type {C} c */ var c = new C() c.start c.end /** @type {D} c */ var d = new D() d.start d.end // @Filename: ex.d.ts export class C { start: number end: number }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeReferenceToImportOfClassExpression.ts
TypeScript
// @noEmit: true // @allowjs: true // @checkjs: true // @Filename: MW.js /** @typedef {import("./MC")} MC */ class MW { /** * @param {MC} compiler the compiler */ constructor(compiler) { this.compiler = compiler; } } module.exports = MW; // @Filename: MC.js const MW = require("./MW"); /** @typedef {number} Cictema */ module.exports = class MC { watch() { return new MW(this); } };
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeReferenceToImportOfFunctionExpression.ts
TypeScript
// @noEmit: true // @allowjs: true // @checkjs: true // @Filename: MW.js /** @typedef {import("./MC")} MC */ class MW { /** * @param {MC} compiler the compiler */ constructor(compiler) { this.compiler = compiler; } } module.exports = MW; // @Filename: MC.js const MW = require("./MW"); /** @typedef {number} Meyerhauser */ /** @class */ module.exports = function MC() { /** @type {any} */ var x = {} return new MW(x); };
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeReferenceToMergedClass.ts
TypeScript
// https://github.com/microsoft/TypeScript/issues/34685 // @noEmit: true // @allowJs: true // @checkJs: true // @Filename: jsdocTypeReferenceToMergedClass.js var Workspace = {} /** @type {Workspace.Project} */ var p; p.isServiceProject() Workspace.Project = function wp() { } Workspace.Project.prototype = { isServiceProject() {} }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeReferenceToValue.ts
TypeScript
// @Filename: foo.js // @noEmit: true // @allowJs: true // @checkJs: true /** @param {Image} image */ function process(image) { return new image(1, 1) }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeReferenceUseBeforeDef.ts
TypeScript
// @noEmit: true // @allowJs: true // @checkJs: true // @Filename: bug25097.js /** @type {C | null} */ const c = null class C { }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeTag.ts
TypeScript
// @allowJS: true // @suppressOutputPathCheck: true // @strictNullChecks: true // @filename: a.js /** @type {String} */ var S; /** @type {string} */ var s; /** @type {Number} */ var N; /** @type {number} */ var n; /** @type {Boolean} */ var B; /** @type {boolean} */ var b; /** @type {Void} */ var V; /** @type {void} */ var v; /** @type {Undefined} */ var U; /** @type {undefined} */ var u; /** @type {Null} */ var Nl; /** @type {null} */ var nl; /** @type {Array} */ var A; /** @type {array} */ var a; /** @type {Promise} */ var P; /** @type {promise} */ var p; /** @type {?number} */ var nullable; /** @type {Object} */ var Obj; /** @type {object} */ var obj; /** @type {Function} */ var Func; /** @type {(s: string) => number} */ var f; /** @type {new (s: string) => { s: string }} */ var ctor; // @filename: b.ts var S: string; var s: string; var N: number; var n: number var B: boolean; var b: boolean; var V :void; var v: void; var U: undefined; var u: undefined; var Nl: null; var nl: null; var A: any[]; var a: any[]; var P: Promise<any>; var p: Promise<any>; var nullable: number | null; var Obj: any; var obj: any; var Func: Function; var f: (s: string) => number; var ctor: new (s: string) => { s: string };
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeTagCast.ts
TypeScript
// @allowJS: true // @suppressOutputPathCheck: true // @strictNullChecks: true // @filename: a.ts var W: string; // @filename: b.js // @ts-check var W = /** @type {string} */(/** @type {*} */ (4)); var W = /** @type {string} */(4); // Error /** @type {*} */ var a; /** @type {string} */ var s; var a = /** @type {*} */("" + 4); var s = "" + /** @type {*} */(4); class SomeBase { constructor() { this.p = 42; } } class SomeDerived extends SomeBase { constructor() { super(); this.x = 42; } } class SomeOther { constructor() { this.q = 42; } } function SomeFakeClass() { /** @type {string|number} */ this.p = "bar"; } // Type assertion should check for assignability in either direction var someBase = new SomeBase(); var someDerived = new SomeDerived(); var someOther = new SomeOther(); var someFakeClass = new SomeFakeClass(); someBase = /** @type {SomeBase} */(someDerived); someBase = /** @type {SomeBase} */(someBase); someBase = /** @type {SomeBase} */(someOther); // Error someDerived = /** @type {SomeDerived} */(someDerived); someDerived = /** @type {SomeDerived} */(someBase); someDerived = /** @type {SomeDerived} */(someOther); // Error someOther = /** @type {SomeOther} */(someDerived); // Error someOther = /** @type {SomeOther} */(someBase); // Error someOther = /** @type {SomeOther} */(someOther); someFakeClass = someBase; someFakeClass = someDerived; someBase = someFakeClass; // Error someBase = /** @type {SomeBase} */(someFakeClass); // Type assertion cannot be a type-predicate type /** @type {number | string} */ var numOrStr; /** @type {string} */ var str; if(/** @type {numOrStr is string} */(numOrStr === undefined)) { // Error str = numOrStr; // Error, no narrowing occurred } var asConst1 = /** @type {const} */(1); var asConst2 = /** @type {const} */({ x: 1 });
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeTagParameterType.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @strict: true // @noImplicitAny: true // @Filename: a.js /** @type {function(string): void} */ const f = (value) => { value = 1 // should error }; /** @type {(s: string) => void} */ function g(s) { s = 1 // Should error }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocTypeTagRequiredParameters.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @strict: true // @noImplicitAny: true // @Filename: a.js /** @type {function(string): void} */ const f = (value) => { }; /** @type {(s: string) => void} */ function g(s) { } /** @type {{(s: string): void}} */ function h(s) { } f() // should error g() // should error h()
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocVariableDeclarationWithTypeAnnotation.ts
TypeScript
// @allowJs: true // @checkJs: true // @target: esnext // @noImplicitAny: true // @outDir: out // @Filename: foo.js /** @type {boolean} */ var /** @type {string} */ x, /** @type {number} */ y;
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsdocVariadicType.ts
TypeScript
// @allowJS: true // @checkJs: true // @noEmit: true // @filename: a.js /** * @type {function(boolean, string, ...*):void} */ const foo = function (a, b, ...r) { }; // @filename: b.ts foo(false, '');
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxCheckJsxNoTypeArgumentsAllowed.tsx
TypeScript (TSX)
// @jsx: preserve // @noLib: true // @skipLibCheck: true // @libFiles: react.d.ts,lib.d.ts // @allowJs: true // @outDir: ./out // @checkJs: true // @filename: component.d.ts import * as React from "react"; export declare class MyComp<P> extends React.Component<P, {}> { internalProp: P; } export interface Prop { a: number, b: string } // @filename: file.jsx import { MyComp, Prop } from "./component"; import * as React from "react"; let x = <MyComp<Prop> a={10} b="hi" />; // error, no type arguments in js
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxJsxsCjsTransformChildren.tsx
TypeScript (TSX)
// @jsx: react-jsx,react-jsxdev // @strict: true // @module: commonjs /// <reference path="/.lib/react16.d.ts" /> const a = <div>text</div>; export {};
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxJsxsCjsTransformCustomImport.tsx
TypeScript (TSX)
// @jsx: react-jsx,react-jsxdev // @jsxImportSource: preact // @strict: true // @module: commonjs /// <reference path="/.lib/react16.d.ts" /> const a = <> <p></p> text <div className="foo"></div> </> export {};
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxJsxsCjsTransformCustomImportPragma.tsx
TypeScript (TSX)
// @jsx: react-jsx,react-jsxdev // @strict: true // @module: commonjs // @filename: preact.tsx /// <reference path="/.lib/react16.d.ts" /> /* @jsxImportSource preact */ const a = <> <p></p> text <div className="foo"></div> </> export {}; // @filename: react.tsx /// <reference path="/.lib/react16.d.ts" /> /* @jsxImportSource react */ import "./preact"; const a = <> <p></p> text <div className="foo"></div> </> export {};
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxJsxsCjsTransformKeyProp.tsx
TypeScript (TSX)
// @jsx: react-jsx,react-jsxdev // @strict: true // @module: commonjs /// <reference path="/.lib/react16.d.ts" /> const props = { answer: 42 } const a = <div key="foo" {...props}>text</div>; const b = <div {...props} key="bar">text</div>; export {};
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxJsxsCjsTransformKeyPropCustomImport.tsx
TypeScript (TSX)
// @jsx: react-jsx,react-jsxdev // @jsxImportSource: preact // @strict: true // @module: commonjs /// <reference path="/.lib/react16.d.ts" /> const props = { answer: 42 } const a = <div key="foo" {...props}>text</div>; const b = <div {...props} key="bar">text</div>; export {};
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxJsxsCjsTransformKeyPropCustomImportPragma.tsx
TypeScript (TSX)
// @jsx: react-jsx,react-jsxdev // @strict: true // @module: commonjs // @filename: preact.tsx /// <reference path="/.lib/react16.d.ts" /> /* @jsxImportSource preact */ const props = { answer: 42 } const a = <div key="foo" {...props}>text</div>; const b = <div {...props} key="bar">text</div>; export {}; // @filename: react.tsx /// <reference path="/.lib/react16.d.ts" /> /* @jsxImportSource react */ import "./preact"; const props2 = { answer: 42 } const a2 = <div key="foo" {...props2}>text</div>; const b2 = <div {...props2} key="bar">text</div>; export {};
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxJsxsCjsTransformNestedSelfClosingChild.tsx
TypeScript (TSX)
// @jsx: react-jsx,react-jsxdev // @strict: true // @module: commonjs /// <reference path="/.lib/react16.d.ts" /> import type * as React from 'react'; console.log( <div> <div /> </div> ) console.log( <div> <div /> <div /> </div> ) console.log( <div> {[1, 2].map(i => <div key={i}>{i}</div>)} </div> )
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxJsxsCjsTransformSubstitutesNames.tsx
TypeScript (TSX)
// @jsx: react-jsx,react-jsxdev // @strict: true // @module: commonjs /// <reference path="/.lib/react16.d.ts" /> const a = <div></div> export {};
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxJsxsCjsTransformSubstitutesNamesFragment.tsx
TypeScript (TSX)
// @jsx: react-jsx,react-jsxdev // @strict: true // @module: commonjs /// <reference path="/.lib/react16.d.ts" /> const a = <> <p></p> text <div></div> </> export {};
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxParsingError4.tsx
TypeScript (TSX)
// @strict: true, false // @jsx: react // @filename: a.tsx declare const React: any declare namespace JSX { interface IntrinsicElements { [k: string]: any } } const a = ( <public-foo></public-foo> ); const b = ( <public></public> );
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxReactTestSuite.tsx
TypeScript (TSX)
// @jsx: preserve declare var React: any; declare var Component:any; declare var Composite:any; declare var Composite2:any; declare var Child:any; declare var Namespace:any; declare var foo: any; declare var bar: any; declare var y:any; declare var x:any; declare var z:any; declare var hasOwnProperty:any; <div>text</div>; <div> {this.props.children} </div>; <div> <div><br /></div> <Component>{foo}<br />{bar}</Component> <br /> </div>; <Composite> {this.props.children} </Composite>; <Composite> <Composite2 /> </Composite>; var x = <div attr1={ "foo" + "bar" } attr2={ "foo" + "bar" + "baz" + "bug" } attr3={ "foo" + "bar" + "baz" + "bug" // Extra line here. } attr4="baz"> </div>; ( <div> {/* A comment at the beginning */} {/* A second comment at the beginning */} <span> {/* A nested comment */} </span> {/* A sandwiched comment */} <br /> {/* A comment at the end */} {/* A second comment at the end */} </div> ); ( <div /* a multi-line comment */ attr1="foo"> <span // a double-slash comment attr2="bar" /> </div> ); <div>&nbsp;</div>; <div>&nbsp; </div>; <hasOwnProperty>testing</hasOwnProperty>; <Component constructor="foo" />; <Namespace.Component />; <Namespace.DeepNamespace.Component />; <Component { ... x } y ={2 } z />; <Component {...this.props} sound="moo" />; <font-face />; <Component x={y} />; <x-component />; <Component {...x} />; <Component { ...x } y={2} />; <Component { ... x } y={2} z />; <Component x={1} {...y} />; <Component x={1} y="2" {...z} {...z}><Child /></Component>; <Component x="1" {...(z = { y: 2 }, z)} z={3}>Text</Component>;
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/jsxSpreadOverwritesAttributeStrict.tsx
TypeScript (TSX)
// @filename: file.tsx // @jsx: preserve // @strict: true // @noLib: true // @skipLibCheck: true // @libFiles: react.d.ts,lib.d.ts import React = require('react'); interface Props { a: number; b: number; c?: number; d?: number; } const props: Props = { a: 1, b: 1 }; const Foo = (props: Props) => <div>{ props.a }</div>; // ok const a1 = <Foo {...props}></Foo>; const a2 = <Foo d={1} {...props}></Foo>; // error const b1 = <Foo a={1} {...props}></Foo>; const b2 = <Foo a={1} b={2} {...props}></Foo>; const b3 = <Foo a={1} d={1} {...props} {...{ d: 1 }}></Foo>; const b4 = <Foo a={1} d={1} {...props} {...{ a: 1, d: 1 }}></Foo>;
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/keyofAndForIn.ts
TypeScript
// @declaration: true // Repro from #12513 function f1<K extends string, T>(obj: { [P in K]: T }, k: K) { const b = k in obj; let k1: K; for (k1 in obj) { let x1 = obj[k1]; } for (let k2 in obj) { let x2 = obj[k2]; } } function f2<T>(obj: { [P in keyof T]: T[P] }, k: keyof T) { const b = k in obj; let k1: keyof T; for (k1 in obj) { let x1 = obj[k1]; } for (let k2 in obj) { let x2 = obj[k2]; } } function f3<T, K extends keyof T>(obj: { [P in K]: T[P] }, k: K) { const b = k in obj; let k1: K; for (k1 in obj) { let x1 = obj[k1]; } for (let k2 in obj) { let x2 = obj[k2]; } }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/keyofAndIndexedAccess.ts
TypeScript
// @strictNullChecks: true // @declaration: true class Shape { name: string; width: number; height: number; visible: boolean; } class TaggedShape extends Shape { tag: string; } class Item { name: string; price: number; } class Options { visible: "yes" | "no"; } type Dictionary<T> = { [x: string]: T }; type NumericallyIndexed<T> = { [x: number]: T }; const enum E { A, B, C } type K00 = keyof any; // string type K01 = keyof string; // "toString" | "charAt" | ... type K02 = keyof number; // "toString" | "toFixed" | "toExponential" | ... type K03 = keyof boolean; // "valueOf" type K04 = keyof void; // never type K05 = keyof undefined; // never type K06 = keyof null; // never type K07 = keyof never; // string | number | symbol type K08 = keyof unknown; // never type K10 = keyof Shape; // "name" | "width" | "height" | "visible" type K11 = keyof Shape[]; // "length" | "toString" | ... type K12 = keyof Dictionary<Shape>; // string type K13 = keyof {}; // never type K14 = keyof Object; // "constructor" | "toString" | ... type K15 = keyof E; // "toString" | "toFixed" | "toExponential" | ... type K16 = keyof [string, number]; // "0" | "1" | "length" | "toString" | ... type K17 = keyof (Shape | Item); // "name" type K18 = keyof (Shape & Item); // "name" | "width" | "height" | "visible" | "price" type K19 = keyof NumericallyIndexed<Shape> // never type KeyOf<T> = keyof T; type K20 = KeyOf<Shape>; // "name" | "width" | "height" | "visible" type K21 = KeyOf<Dictionary<Shape>>; // string type NAME = "name"; type WIDTH_OR_HEIGHT = "width" | "height"; type Q10 = Shape["name"]; // string type Q11 = Shape["width" | "height"]; // number type Q12 = Shape["name" | "visible"]; // string | boolean type Q20 = Shape[NAME]; // string type Q21 = Shape[WIDTH_OR_HEIGHT]; // number type Q30 = [string, number][0]; // string type Q31 = [string, number][1]; // number type Q32 = [string, number][number]; // string | number type Q33 = [string, number][E.A]; // string type Q34 = [string, number][E.B]; // number type Q35 = [string, number]["0"]; // string type Q36 = [string, number]["1"]; // string type Q40 = (Shape | Options)["visible"]; // boolean | "yes" | "no" type Q41 = (Shape & Options)["visible"]; // true & "yes" | true & "no" | false & "yes" | false & "no" type Q50 = Dictionary<Shape>["howdy"]; // Shape type Q51 = Dictionary<Shape>[123]; // Shape type Q52 = Dictionary<Shape>[E.B]; // Shape declare let cond: boolean; function getProperty<T, K extends keyof T>(obj: T, key: K) { return obj[key]; } function setProperty<T, K extends keyof T>(obj: T, key: K, value: T[K]) { obj[key] = value; } function f10(shape: Shape) { let name = getProperty(shape, "name"); // string let widthOrHeight = getProperty(shape, cond ? "width" : "height"); // number let nameOrVisible = getProperty(shape, cond ? "name" : "visible"); // string | boolean setProperty(shape, "name", "rectangle"); setProperty(shape, cond ? "width" : "height", 10); setProperty(shape, cond ? "name" : "visible", true); // Technically not safe } function f11(a: Shape[]) { let len = getProperty(a, "length"); // number setProperty(a, "length", len); } function f12(t: [Shape, boolean]) { let len = getProperty(t, "length"); let s2 = getProperty(t, "0"); // Shape let b2 = getProperty(t, "1"); // boolean } function f13(foo: any, bar: any) { let x = getProperty(foo, "x"); // any let y = getProperty(foo, "100"); // any let z = getProperty(foo, bar); // any } class Component<PropType> { props: PropType; getProperty<K extends keyof PropType>(key: K) { return this.props[key]; } setProperty<K extends keyof PropType>(key: K, value: PropType[K]) { this.props[key] = value; } } function f20(component: Component<Shape>) { let name = component.getProperty("name"); // string let widthOrHeight = component.getProperty(cond ? "width" : "height"); // number let nameOrVisible = component.getProperty(cond ? "name" : "visible"); // string | boolean component.setProperty("name", "rectangle"); component.setProperty(cond ? "width" : "height", 10) component.setProperty(cond ? "name" : "visible", true); // Technically not safe } function pluck<T, K extends keyof T>(array: T[], key: K) { return array.map(x => x[key]); } function f30(shapes: Shape[]) { let names = pluck(shapes, "name"); // string[] let widths = pluck(shapes, "width"); // number[] let nameOrVisibles = pluck(shapes, cond ? "name" : "visible"); // (string | boolean)[] } function f31<K extends keyof Shape>(key: K) { const shape: Shape = { name: "foo", width: 5, height: 10, visible: true }; return shape[key]; // Shape[K] } function f32<K extends "width" | "height">(key: K) { const shape: Shape = { name: "foo", width: 5, height: 10, visible: true }; return shape[key]; // Shape[K] } function f33<S extends Shape, K extends keyof S>(shape: S, key: K) { let name = getProperty(shape, "name"); let prop = getProperty(shape, key); return prop; } function f34(ts: TaggedShape) { let tag1 = f33(ts, "tag"); let tag2 = getProperty(ts, "tag"); } class C { public x: string; protected y: string; private z: string; } // Indexed access expressions have always permitted access to private and protected members. // For consistency we also permit such access in indexed access types. function f40(c: C) { type X = C["x"]; type Y = C["y"]; type Z = C["z"]; let x: X = c["x"]; let y: Y = c["y"]; let z: Z = c["z"]; } function f50<T>(k: keyof T, s: string) { const x1 = s as keyof T; const x2 = k as string; } function f51<T, K extends keyof T>(k: K, s: string) { const x1 = s as keyof T; const x2 = k as string; } function f52<T>(obj: { [x: string]: boolean }, k: Exclude<keyof T, symbol>, s: string, n: number) { const x1 = obj[s]; const x2 = obj[n]; const x3 = obj[k]; } function f53<T, K extends Exclude<keyof T, symbol>>(obj: { [x: string]: boolean }, k: K, s: string, n: number) { const x1 = obj[s]; const x2 = obj[n]; const x3 = obj[k]; } function f54<T>(obj: T, key: keyof T) { for (let s in obj[key]) { } const b = "foo" in obj[key]; } function f55<T, K extends keyof T>(obj: T, key: K) { for (let s in obj[key]) { } const b = "foo" in obj[key]; } function f60<T>(source: T, target: T) { for (let k in source) { target[k] = source[k]; } } function f70(func: <T, U>(k1: keyof (T | U), k2: keyof (T & U)) => void) { func<{ a: any, b: any }, { a: any, c: any }>('a', 'a'); func<{ a: any, b: any }, { a: any, c: any }>('a', 'b'); func<{ a: any, b: any }, { a: any, c: any }>('a', 'c'); } function f71(func: <T, U>(x: T, y: U) => Partial<T & U>) { let x = func({ a: 1, b: "hello" }, { c: true }); x.a; // number | undefined x.b; // string | undefined x.c; // boolean | undefined } function f72(func: <T, U, K extends keyof T | keyof U>(x: T, y: U, k: K) => (T & U)[K]) { let a = func({ a: 1, b: "hello" }, { c: true }, 'a'); // number let b = func({ a: 1, b: "hello" }, { c: true }, 'b'); // string let c = func({ a: 1, b: "hello" }, { c: true }, 'c'); // boolean } function f73(func: <T, U, K extends keyof (T & U)>(x: T, y: U, k: K) => (T & U)[K]) { let a = func({ a: 1, b: "hello" }, { c: true }, 'a'); // number let b = func({ a: 1, b: "hello" }, { c: true }, 'b'); // string let c = func({ a: 1, b: "hello" }, { c: true }, 'c'); // boolean } function f74(func: <T, U, K extends keyof (T | U)>(x: T, y: U, k: K) => (T | U)[K]) { let a = func({ a: 1, b: "hello" }, { a: 2, b: true }, 'a'); // number let b = func({ a: 1, b: "hello" }, { a: 2, b: true }, 'b'); // string | boolean } function f80<T extends { a: { x: any } }>(obj: T) { let a1 = obj.a; // { x: any } let a2 = obj['a']; // { x: any } let a3 = obj['a'] as T['a']; // T["a"] let x1 = obj.a.x; // any let x2 = obj['a']['x']; // any let x3 = obj['a']['x'] as T['a']['x']; // T["a"]["x"] } function f81<T extends { a: { x: any } }>(obj: T) { return obj['a']['x'] as T['a']['x']; } function f82() { let x1 = f81({ a: { x: "hello" } }); // string let x2 = f81({ a: { x: 42 } }); // number } function f83<T extends { [x: string]: { x: any } }, K extends keyof T>(obj: T, key: K) { return obj[key]['x'] as T[K]['x']; } function f84() { let x1 = f83({ foo: { x: "hello" } }, "foo"); // string let x2 = f83({ bar: { x: 42 } }, "bar"); // number } class C1 { x: number; get<K extends keyof this>(key: K) { return this[key]; } set<K extends keyof this>(key: K, value: this[K]) { this[key] = value; } foo() { let x1 = this.x; // number let x2 = this["x"]; // number let x3 = this.get("x"); // this["x"] let x4 = getProperty(this, "x"); // this["x"] this.x = 42; this["x"] = 42; this.set("x", 42); setProperty(this, "x", 42); } } type S2 = { a: string; b: string; }; function f90<T extends S2, K extends keyof S2>(x1: S2[keyof S2], x2: T[keyof S2], x3: S2[K]) { x1 = x2; x1 = x3; x2 = x1; x2 = x3; x3 = x1; x3 = x2; x1.length; x2.length; x3.length; } function f91<T, K extends keyof T>(x: T, y: T[keyof T], z: T[K]) { let a: {}; a = x; a = y; a = z; } function f92<T, K extends keyof T>(x: T, y: T[keyof T], z: T[K]) { let a: {} | null | undefined; a = x; a = y; a = z; } // Repros from #12011 class Base { get<K extends keyof this>(prop: K) { return this[prop]; } set<K extends keyof this>(prop: K, value: this[K]) { this[prop] = value; } } class Person extends Base { parts: number; constructor(parts: number) { super(); this.set("parts", parts); } getParts() { return this.get("parts") } } class OtherPerson { parts: number; constructor(parts: number) { setProperty(this, "parts", parts); } getParts() { return getProperty(this, "parts") } } // Modified repro from #12544 function path<T, K1 extends keyof T>(obj: T, key1: K1): T[K1]; function path<T, K1 extends keyof T, K2 extends keyof T[K1]>(obj: T, key1: K1, key2: K2): T[K1][K2]; function path<T, K1 extends keyof T, K2 extends keyof T[K1], K3 extends keyof T[K1][K2]>(obj: T, key1: K1, key2: K2, key3: K3): T[K1][K2][K3]; function path(obj: any, ...keys: (string | number)[]): any; function path(obj: any, ...keys: (string | number)[]): any { let result = obj; for (let k of keys) { result = result[k]; } return result; } type Thing = { a: { x: number, y: string }, b: boolean }; function f1(thing: Thing) { let x1 = path(thing, 'a'); // { x: number, y: string } let x2 = path(thing, 'a', 'y'); // string let x3 = path(thing, 'b'); // boolean let x4 = path(thing, ...['a', 'x']); // any } // Repro from comment in #12114 const assignTo2 = <T, K1 extends keyof T, K2 extends keyof T[K1]>(object: T, key1: K1, key2: K2) => (value: T[K1][K2]) => object[key1][key2] = value; // Modified repro from #12573 declare function one<T>(handler: (t: T) => void): T var empty = one(() => {}) // inferred as {}, expected type Handlers<T> = { [K in keyof T]: (t: T[K]) => void } declare function on<T>(handlerHash: Handlers<T>): T var hashOfEmpty1 = on({ test: () => {} }); // {} var hashOfEmpty2 = on({ test: (x: boolean) => {} }); // { test: boolean } // Repro from #12624 interface Options1<Data, Computed> { data?: Data computed?: Computed; } declare class Component1<Data, Computed> { constructor(options: Options1<Data, Computed>); get<K extends keyof (Data & Computed)>(key: K): (Data & Computed)[K]; } let c1 = new Component1({ data: { hello: "" } }); c1.get("hello"); // Repro from #12625 interface Options2<Data, Computed> { data?: Data computed?: Computed; } declare class Component2<Data, Computed> { constructor(options: Options2<Data, Computed>); get<K extends keyof Data | keyof Computed>(key: K): (Data & Computed)[K]; } // Repro from #12641 interface R { p: number; } function f<K extends keyof R>(p: K) { let a: any; a[p].add; // any } // Repro from #12651 type MethodDescriptor = { name: string; args: any[]; returnValue: any; } declare function dispatchMethod<M extends MethodDescriptor>(name: M['name'], args: M['args']): M['returnValue']; type SomeMethodDescriptor = { name: "someMethod"; args: [string, number]; returnValue: string[]; } let result = dispatchMethod<SomeMethodDescriptor>("someMethod", ["hello", 35]); // Repro from #13073 type KeyTypes = "a" | "b" let MyThingy: { [key in KeyTypes]: string[] }; function addToMyThingy<S extends KeyTypes>(key: S) { MyThingy[key].push("a"); } // Repro from #13102 type Handler<T> = { onChange: (name: keyof T) => void; }; function onChangeGenericFunction<T>(handler: Handler<T & {preset: number}>) { handler.onChange('preset') } // Repro from #13285 function updateIds<T extends Record<K, string>, K extends string>( obj: T, idFields: K[], idMapping: Partial<Record<T[K], T[K]>> ): Record<K, string> { for (const idField of idFields) { const newId: T[K] | undefined = idMapping[obj[idField]]; if (newId) { obj[idField] = newId; } } return obj; } // Repro from #13285 function updateIds2<T extends { [x: string]: string }, K extends keyof T>( obj: T, key: K, stringMap: { [oldId: string]: string } ) { var x = obj[key]; stringMap[x]; // Should be OK. } // Repro from #13514 declare function head<T extends Array<any>>(list: T): T[0]; // Repro from #13604 class A<T> { props: T & { foo: string }; } class B extends A<{ x: number}> { f(p: this["props"]) { p.x; } } // Repro from #13749 class Form<T> { private childFormFactories: {[K in keyof T]: (v: T[K]) => Form<T[K]>} public set<K extends keyof T>(prop: K, value: T[K]) { this.childFormFactories[prop](value) } } // Repro from #13787 class SampleClass<P> { public props: Readonly<P>; constructor(props: P) { this.props = Object.freeze(props); } } interface Foo { foo: string; } declare function merge<T, U>(obj1: T, obj2: U): T & U; class AnotherSampleClass<T> extends SampleClass<T & Foo> { constructor(props: T) { const foo: Foo = { foo: "bar" }; super(merge(props, foo)); } public brokenMethod() { this.props.foo.concat; } } new AnotherSampleClass({}); // Positive repro from #17166 function f3<T, K extends Extract<keyof T, string>>(t: T, k: K, tk: T[K]): void { for (let key in t) { key = k // ok, K ==> keyof T t[key] = tk; // ok, T[K] ==> T[keyof T] } } // # 21185 type Predicates<TaggedRecord> = { [T in keyof TaggedRecord]: (variant: TaggedRecord[keyof TaggedRecord]) => variant is TaggedRecord[T] } // Repros from #23592 type Example<T extends { [K in keyof T]: { prop: any } }> = { [K in keyof T]: T[K]["prop"] }; type Result = Example<{ a: { prop: string }; b: { prop: number } }>; type Helper2<T> = { [K in keyof T]: Extract<T[K], { prop: any }> }; type Example2<T> = { [K in keyof Helper2<T>]: Helper2<T>[K]["prop"] }; type Result2 = Example2<{ 1: { prop: string }; 2: { prop: number } }>; // Repro from #23618 type DBBoolTable<K extends string> = { [k in K]: 0 | 1 } enum Flag { FLAG_1 = "flag_1", FLAG_2 = "flag_2" } type SimpleDBRecord<Flag extends string> = { staticField: number } & DBBoolTable<Flag> function getFlagsFromSimpleRecord<Flag extends string>(record: SimpleDBRecord<Flag>, flags: Flag[]) { return record[flags[0]]; } type DynamicDBRecord<Flag extends string> = ({ dynamicField: number } | { dynamicField: string }) & DBBoolTable<Flag> function getFlagsFromDynamicRecord<Flag extends string>(record: DynamicDBRecord<Flag>, flags: Flag[]) { return record[flags[0]]; } // Repro from #21368 interface I { foo: string; } declare function take<T>(p: T): void; function fn<T extends I, K extends keyof T>(o: T, k: K) { take<{} | null | undefined>(o[k]); take<any>(o[k]); } // Repro from #23133 class Unbounded<T> { foo(x: T[keyof T]) { let y: {} | undefined | null = x; } } // Repro from #23940 interface I7 { x: any; } type Foo7<T extends number> = T; declare function f7<K extends keyof I7>(type: K): Foo7<I7[K]>; // Repro from #21770 type Dict<T extends string> = { [key in T]: number }; type DictDict<V extends string, T extends string> = { [key in V]: Dict<T> }; function ff1<V extends string, T extends string>(dd: DictDict<V, T>, k1: V, k2: T): number { return dd[k1][k2]; } function ff2<V extends string, T extends string>(dd: DictDict<V, T>, k1: V, k2: T): number { const d: Dict<T> = dd[k1]; return d[k2]; } // Repro from #26409 const cf1 = <T extends { [P in K]: string; } & { cool: string; }, K extends keyof T>(t: T, k: K) => { const s: string = t[k]; t.cool; }; const cf2 = <T extends { [P in K | "cool"]: string; }, K extends keyof T>(t: T, k: K) => { const s: string = t[k]; t.cool; };
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/keyofAndIndexedAccess2.ts
TypeScript
// @strict: true // @target: esnext function f1(obj: { a: number, b: 0 | 1, c: string }, k0: 'a', k1: 'a' | 'b', k2: 'a' | 'b' | 'c') { obj[k0] = 1; obj[k0] = 2; obj[k0] = 'x'; // Error obj[k1] = 1; obj[k1] = 2; // Error obj[k1] = 'x'; // Error obj[k2] = 1; // Error obj[k2] = 2; // Error obj[k2] = 'x'; // Error } function f2<T extends { [key: string]: number }>(a: { x: number, y: number }, b: { [key: string]: number }, c: T, k: keyof T) { a = b; // Error, index signature in source doesn't imply properties are present a = c; // Error, index signature in source doesn't imply properties are present b = a; b = c; c = a; // Error, constraint on target doesn't imply any properties or signatures c = b; // Error, constraint on target doesn't imply any properties or signatures a.x; b.x; c.x; c[k]; a.x = 1; b.x = 1; c.x = 1; // Error, cannot write to index signature through constraint c[k] = 1; // Error, cannot write to index signature through constraint } function f3<K extends string>(a: { [P in K]: number }, b: { [key: string]: number }, k: K) { a = b; // Error, index signature doesn't imply properties are present b = a; a[k]; a[k] = 1; } function f3b<K extends string>(a: { [P in K]: number }, b: { [P in string]: number }, k: K) { a = b; // Error, index signature doesn't imply properties are present b = a; } function f4<K extends string>(a: { [key: string]: number }[K], b: number) { a = b; b = a; } type Item = { a: string, b: number }; function f10<T extends Item, K extends keyof T>(obj: T, k1: string, k2: keyof Item, k3: keyof T, k4: K) { obj[k1] = 123; // Error obj[k2] = 123; // Error obj[k3] = 123; // Error obj[k4] = 123; // Error } type Dict = Record<string, number>; function f11<K extends keyof Dict>(obj: Dict, k1: keyof Dict, k2: K) { obj.foo = 123; obj[k1] = 123; obj[k2] = 123; } function f12<T extends Readonly<Dict>, K extends keyof T>(obj: T, k1: keyof Dict, k2: keyof T, k3: K) { obj.foo = 123; // Error obj[k1] = 123; // Error obj[k2] = 123; // Error obj[k3] = 123; // Error } // Repro from #27895 export interface Entity { id: number | string; } export type IdOf<E extends Entity> = E['id']; export interface EntityState<E extends Entity> { ids: IdOf<E>[]; entities: { [key: string]: E, [key: number]: E }; } export function getAllEntities<E extends Entity>(state: EntityState<E>): E[] { const { ids, entities } = state; return ids.map(id => entities[id]); } export function getEntity<E extends Entity>(id: IdOf<E>, state: EntityState<E>): E | undefined { const { ids, entities } = state; if (!ids.includes(id)) { return undefined; } return entities[id]; } // Repro from #30603 interface Type { a: 123; b: "some string"; } function get123<K extends keyof Type>(): Type[K] { return 123; // Error } // Repro from #30920 type StrictExtract<T, U> = T extends U ? U extends T ? T : never : never; type StrictExclude<T, U> = T extends StrictExtract<T, U> ? never : T; type A<T> = { [Q in { [P in keyof T]: P; }[keyof T]]: T[Q]; }; type B<T, V> = A<{ [Q in keyof T]: StrictExclude<B<T[Q], V>, {}>; }>; // Repros from #30938 function fn<T extends {elements: Array<string>} | {elements: Array<number>}>(param: T, cb: (element: T['elements'][number]) => void) { cb(param.elements[0]); } function fn2<T extends Array<string>>(param: T, cb: (element: T[number]) => void) { cb(param[0]); } // Repro from #31149 function fn3<T extends ReadonlyArray<string>>(param: T, cb: (element: T[number]) => void) { cb(param[0]); } function fn4<K extends number>() { let x: Array<string>[K] = 'abc'; let y: ReadonlyArray<string>[K] = 'abc'; } // Repro from #31439 and #31691 export class c { [x: string]: string; constructor() { this.a = "b"; this["a"] = "b"; } } // Repro from #31385 type Foo<T> = { [key: string]: { [K in keyof T]: K }[keyof T] }; type Bar<T> = { [key: string]: { [K in keyof T]: [K] }[keyof T] }; type Baz<T, Q extends Foo<T>> = { [K in keyof Q]: T[Q[K]] }; type Qux<T, Q extends Bar<T>> = { [K in keyof Q]: T[Q[K]["0"]] }; // Repro from #32038 const actions = ['resizeTo', 'resizeBy'] as const; for (const action of actions) { window[action] = (x, y) => { window[action](x, y); } }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/keyofAndIndexedAccessErrors.ts
TypeScript
class Shape { name: string; width: number; height: number; visible: boolean; } type Dictionary<T> = { [x: string]: T }; type T00 = keyof K0; // Error type T01 = keyof Object; type T02 = keyof keyof Object; type T03 = keyof keyof keyof Object; type T04 = keyof keyof keyof keyof Object; type T05 = keyof keyof keyof keyof keyof Object; type T06 = keyof keyof keyof keyof keyof keyof Object; type T10 = Shape["name"]; type T11 = Shape["foo"]; // Error type T12 = Shape["name" | "foo"]; // Error type T13 = Shape[any]; // Error type T14 = Shape[string]; // Error type T15 = Shape[number]; // Error type T16 = Shape[boolean]; // Error type T17 = Shape[void]; // Error type T18 = Shape[undefined]; // Error type T19 = Shape[{ x: string }]; // Error type T20 = Shape[string | number]; // Error type T21 = Shape[string & number]; type T22 = Shape[string | boolean]; // Error type T30 = string[]["length"]; type T31 = string[][number]; type T32 = string[][string]; // Error type T33 = string[][boolean]; // Error type T40 = Dictionary<string>[any]; type T41 = Dictionary<string>[number]; type T42 = Dictionary<string>[string]; type T43 = Dictionary<string>[boolean]; // Error type T50 = any[any]; type T51 = any[number]; type T52 = any[string]; type T53 = any[boolean]; // Error type T60 = {}["toString"]; type T61 = []["toString"]; declare let cond: boolean; function getProperty<T, K extends keyof T>(obj: T, key: K) { return obj[key]; } function setProperty<T, K extends keyof T>(obj: T, key: K, value: T[K]) { obj[key] = value; } function f10(shape: Shape) { let x1 = getProperty(shape, "name"); let x2 = getProperty(shape, "size"); // Error let x3 = getProperty(shape, cond ? "name" : "size"); // Error setProperty(shape, "name", "rectangle"); setProperty(shape, "size", 10); // Error setProperty(shape, cond ? "name" : "size", 10); // Error } function f20<T, U>(x: T | U, y: T & U, k1: keyof (T | U), k2: keyof T & keyof U, k3: keyof (T & U), k4: keyof T | keyof U) { x[k1]; x[k2]; x[k3]; // Error x[k4]; // Error y[k1]; y[k2]; y[k3]; y[k4]; k1 = k2; k1 = k3; // Error k1 = k4; // Error k2 = k1; k2 = k3; // Error k2 = k4; // Error k3 = k1; k3 = k2; k3 = k4; k4 = k1; k4 = k2; k4 = k3; } // Repro from #17166 function f3<T, K extends Extract<keyof T, string>, U extends T, J extends K>( t: T, k: K, tk: T[K], u: U, j: J, uk: U[K], tj: T[J], uj: U[J]): void { for (let key in t) { key = k // ok, K ==> keyof T k = key // error, keyof T =/=> K t[key] = tk; // ok, T[K] ==> T[keyof T] tk = t[key]; // error, T[keyof T] =/=> T[K] } tk = uk; uk = tk; // error tj = uj; uj = tj; // error tk = tj; tj = tk; // error tk = uj; uj = tk; // error } // The constraint of 'keyof T' is 'keyof T' function f4<T extends { [K in keyof T]: string }>(k: keyof T) { k = 42; // error k = "hello"; // error } // Repro from #27470 type UndefinedKeys<T extends Record<string, any>> = { [K in keyof T]: undefined extends T[K] ? K : never }; type MyType = {a: string, b: string | undefined} type Result1 = UndefinedKeys<MyType>; const a1: Result1['a'] = 'a'; // Error const b1: Result1['b'] = 'b'; function test1<T extends Record<string, any>, K extends keyof T>(t: T, k: K) { t[k] = 42; // Error t[k] = "hello"; // Error t[k] = [10, 20]; // Error } // Repro from #28839 function f30<T, K extends keyof T>() { let x: Partial<Record<keyof T, string>>[K] = "hello"; } function f31<T, K extends keyof T>() { let x: Partial<Partial<Partial<Partial<Partial<Partial<Partial<Record<keyof T, string>>>>>>>>[K] = "hello"; } // Repro from #51069 class Test<T extends Record<string, number>> { testy: T; constructor(t: T) { this.testy = t; } public t(key: keyof T): number { this.testy[key] += 1; // Error return this.testy[key]; } }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/keyofInferenceIntersectsResults.ts
TypeScript
interface X { a: string; b: string; } declare function foo<T = X>(x: keyof T, y: keyof T): T; declare function bar<T>(x: keyof T, y: keyof T): T; const a = foo<X>('a', 'b'); // compiles cleanly const b = foo('a', 'b'); // also clean const c = bar('a', 'b'); // still clean
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/keyofInferenceLowerPriorityThanReturn.ts
TypeScript
// #22736 declare class Write { protected dummy: Write; } declare class Col<s, a> { protected dummy: [Col<s, a>, s, a]; } declare class Table<Req, Def> { protected dummy: [Table<Req, Def>, Req, Def]; } type MakeTable<T1 extends object, T2 extends object> = { [P in keyof T1]: Col<Write, T1[P]>; } & { [P in keyof T2]: Col<Write, T2[P]>; }; declare class ConflictTarget<Cols> { public static tableColumns<Cols>(cols: (keyof Cols)[]): ConflictTarget<Cols>; protected dummy: [ConflictTarget<Cols>, Cols]; } const bookTable: Table<BookReq, BookDef> = null as any interface BookReq { readonly title: string; readonly serial: number; } interface BookDef { readonly author: string; readonly numPages: number | null; } function insertOnConflictDoNothing<Req extends object, Def extends object>(_table: Table<Req, Def>, _conflictTarget: ConflictTarget<Req & Def>): boolean { throw new Error(); } function f() { insertOnConflictDoNothing(bookTable, ConflictTarget.tableColumns(["serial"])); // <-- No error here; should use the type inferred for the return type of `tableColumns` }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/keyofIntersection.ts
TypeScript
// @strict: true // @declaration: true type A = { a: string }; type B = { b: string }; type T01 = keyof (A & B); // "a" | "b" type T02<T> = keyof (T & B); // "b" | keyof T type T03<U> = keyof (A & U); // "a" | keyof U type T04<T, U> = keyof (T & U); // keyof T | keyof U type T05 = T02<A>; // "a" | "b" type T06 = T03<B>; // "a" | "b" type T07 = T04<A, B>; // "a" | "b" // Repros from #22291 type Example1<T extends string, U extends string> = keyof (Record<T, any> & Record<U, any>); type Result1 = Example1<'x', 'y'>; // "x" | "y" type Result2 = keyof (Record<'x', any> & Record<'y', any>); // "x" | "y" type Example3<T extends string> = keyof (Record<T, any>); type Result3 = Example3<'x' | 'y'>; // "x" | "y" type Example4<T extends string, U extends string> = (Record<T, any> & Record<U, any>); type Result4 = keyof Example4<'x', 'y'>; // "x" | "y" type Example5<T, U> = keyof (T & U); type Result5 = Example5<Record<'x', any>, Record<'y', any>>; // "x" | "y"
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/lateBoundAssignmentDeclarationSupport1.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @strict: true // @target: es6 // @filename: lateBoundAssignmentDeclarationSupport1.js // currently unsupported const _sym = Symbol(); const _str = "my-fake-sym"; exports[_sym] = "ok"; exports[_str] = "ok"; exports.S = _sym; // @filename: usage.js const x = require("./lateBoundAssignmentDeclarationSupport1.js"); const y = x["my-fake-sym"]; const z = x[x.S];
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/lateBoundAssignmentDeclarationSupport2.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @strict: true // @target: es6 // @filename: lateBoundAssignmentDeclarationSupport2.js // currently unsupported const _sym = Symbol(); const _str = "my-fake-sym"; module.exports[_sym] = "ok"; module.exports[_str] = "ok"; module.exports.S = _sym; // @filename: usage.js const x = require("./lateBoundAssignmentDeclarationSupport2.js"); const y = x["my-fake-sym"]; const z = x[x.S];
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/lateBoundAssignmentDeclarationSupport3.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @strict: true // @target: es6 // @filename: lateBoundAssignmentDeclarationSupport3.js // currently unsupported const _sym = Symbol(); const _str = "my-fake-sym"; Object.defineProperty(module.exports, _sym, { value: "ok" }); Object.defineProperty(module.exports, _str, { value: "ok" }); module.exports.S = _sym; // @filename: usage.js const x = require("./lateBoundAssignmentDeclarationSupport3.js"); const y = x["my-fake-sym"]; const z = x[x.S];
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/lateBoundAssignmentDeclarationSupport4.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @strict: true // @target: es6 // @filename: lateBoundAssignmentDeclarationSupport4.js // currently unsupported const _sym = Symbol(); const _str = "my-fake-sym"; function F() { } F.prototype[_sym] = "ok"; F.prototype[_str] = "ok"; const inst = new F(); const _y = inst[_str]; const _z = inst[_sym]; module.exports.F = F; module.exports.S = _sym; // @filename: usage.js const x = require("./lateBoundAssignmentDeclarationSupport4.js"); const inst = new x.F(); const y = inst["my-fake-sym"]; const z = inst[x.S];
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/lateBoundAssignmentDeclarationSupport5.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @strict: true // @target: es6 // @filename: lateBoundAssignmentDeclarationSupport5.js // currently unsupported const _sym = Symbol(); const _str = "my-fake-sym"; function F() { } F.prototype = { [_sym]: "ok", [_str]: "ok" } const inst = new F(); const _y = inst[_str]; const _z = inst[_sym]; module.exports.F = F; module.exports.S = _sym; // @filename: usage.js const x = require("./lateBoundAssignmentDeclarationSupport5.js"); const inst = new x.F(); const y = inst["my-fake-sym"]; const z = inst[x.S];
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/lateBoundAssignmentDeclarationSupport6.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @strict: true // @target: es6 // @filename: lateBoundAssignmentDeclarationSupport6.js // currently unsupported const _sym = Symbol(); const _str = "my-fake-sym"; function F() { } F.prototype.defsAClass = true; Object.defineProperty(F.prototype, _str, {value: "ok"}); Object.defineProperty(F.prototype, _sym, {value: "ok"}); const inst = new F(); const _y = inst[_str]; const _z = inst[_sym]; module.exports.F = F; module.exports.S = _sym; // @filename: usage.js const x = require("./lateBoundAssignmentDeclarationSupport6.js"); const inst = new x.F(); const y = inst["my-fake-sym"]; const z = inst[x.S];
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/lateBoundAssignmentDeclarationSupport7.ts
TypeScript
// @allowJs: true // @checkJs: true // @noEmit: true // @strict: true // @target: es6 // @filename: lateBoundAssignmentDeclarationSupport7.js const _sym = Symbol(); const _str = "my-fake-sym"; function F() { } F[_sym] = "ok"; F[_str] = "ok"; module.exports.F = F; module.exports.S = _sym; // @filename: usage.js const x = require("./lateBoundAssignmentDeclarationSupport7.js"); const y = x.F["my-fake-sym"]; const z = x.F[x.S];
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/lateBoundClassMemberAssignmentJS.ts
TypeScript
// @allowJs: true // @checkJs: true // @emitDeclarationOnly: true // @strict: true // @target: es6 // @declaration: true // @filename: lateBoundClassMemberAssignmentJS.js const _sym = Symbol("_sym"); export class MyClass { constructor() { this[_sym] = "ok"; } method() { this[_sym] = "yep"; const x = this[_sym]; } }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/lateBoundClassMemberAssignmentJS2.ts
TypeScript
// @allowJs: true // @checkJs: true // @emitDeclarationOnly: true // @strict: true // @target: es6 // @declaration: true // @filename: lateBoundClassMemberAssignmentJS2.js const _sym = "my-fake-sym"; export class MyClass { constructor() { this[_sym] = "ok"; } method() { this[_sym] = "yep"; const x = this[_sym]; } }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/lateBoundClassMemberAssignmentJS3.ts
TypeScript
// @allowJs: true // @checkJs: true // @emitDeclarationOnly: true // @strict: true // @target: es6 // @declaration: true // @filename: lateBoundClassMemberAssignmentJS.js const _sym = Symbol("_sym"); export class MyClass { constructor() { var self = this self[_sym] = "ok"; } method() { var self = this self[_sym] = "yep"; const x = self[_sym]; } }
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/leaveOptionalParameterAsWritten.ts
TypeScript
// @module: esnext // @outDir: dist // @declaration: true // @emitDeclarationOnly: true // @strictNullChecks: true // @Filename: a.ts export interface Foo {} // @Filename: b.ts import * as a from "./a"; declare global { namespace teams { export namespace calling { export import Foo = a.Foo; } } } // @Filename: c.ts type Foo = teams.calling.Foo; export const bar = (p?: Foo) => {}
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/letIdentifierInElementAccess01.ts
TypeScript
var let: any = {}; (let[0] = 100);
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University
crates/swc_ecma_parser/tests/tsc/libReferenceDeclarationEmit.ts
TypeScript
// @target: esnext // @module: commonjs // @lib: esnext // @declaration: true // @filename: file1.ts /// <reference lib="dom" preserve="true" /> export declare const elem: HTMLElement; // @filename: file2.ts /// <reference lib="dom" preserve="true" /> export {} declare const elem: HTMLElement;
willcrichton/ilc-swc
1
Rust
willcrichton
Will Crichton
Brown University