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| ; | |
| Object.defineProperty(exports, '__esModule', { value: true }); | |
| var events = require('events'); | |
| function toArr(any) { | |
| return any == null ? [] : Array.isArray(any) ? any : [any]; | |
| } | |
| function toVal(out, key, val, opts) { | |
| var x, old=out[key], nxt=( | |
| !!~opts.string.indexOf(key) ? (val == null || val === true ? '' : String(val)) | |
| : typeof val === 'boolean' ? val | |
| : !!~opts.boolean.indexOf(key) ? (val === 'false' ? false : val === 'true' || (out._.push((x = +val,x * 0 === 0) ? x : val),!!val)) | |
| : (x = +val,x * 0 === 0) ? x : val | |
| ); | |
| out[key] = old == null ? nxt : (Array.isArray(old) ? old.concat(nxt) : [old, nxt]); | |
| } | |
| function mri2 (args, opts) { | |
| args = args || []; | |
| opts = opts || {}; | |
| var k, arr, arg, name, val, out={ _:[] }; | |
| var i=0, j=0, idx=0, len=args.length; | |
| const alibi = opts.alias !== void 0; | |
| const strict = opts.unknown !== void 0; | |
| const defaults = opts.default !== void 0; | |
| opts.alias = opts.alias || {}; | |
| opts.string = toArr(opts.string); | |
| opts.boolean = toArr(opts.boolean); | |
| if (alibi) { | |
| for (k in opts.alias) { | |
| arr = opts.alias[k] = toArr(opts.alias[k]); | |
| for (i=0; i < arr.length; i++) { | |
| (opts.alias[arr[i]] = arr.concat(k)).splice(i, 1); | |
| } | |
| } | |
| } | |
| for (i=opts.boolean.length; i-- > 0;) { | |
| arr = opts.alias[opts.boolean[i]] || []; | |
| for (j=arr.length; j-- > 0;) opts.boolean.push(arr[j]); | |
| } | |
| for (i=opts.string.length; i-- > 0;) { | |
| arr = opts.alias[opts.string[i]] || []; | |
| for (j=arr.length; j-- > 0;) opts.string.push(arr[j]); | |
| } | |
| if (defaults) { | |
| for (k in opts.default) { | |
| name = typeof opts.default[k]; | |
| arr = opts.alias[k] = opts.alias[k] || []; | |
| if (opts[name] !== void 0) { | |
| opts[name].push(k); | |
| for (i=0; i < arr.length; i++) { | |
| opts[name].push(arr[i]); | |
| } | |
| } | |
| } | |
| } | |
| const keys = strict ? Object.keys(opts.alias) : []; | |
| for (i=0; i < len; i++) { | |
| arg = args[i]; | |
| if (arg === '--') { | |
| out._ = out._.concat(args.slice(++i)); | |
| break; | |
| } | |
| for (j=0; j < arg.length; j++) { | |
| if (arg.charCodeAt(j) !== 45) break; // "-" | |
| } | |
| if (j === 0) { | |
| out._.push(arg); | |
| } else if (arg.substring(j, j + 3) === 'no-') { | |
| name = arg.substring(j + 3); | |
| if (strict && !~keys.indexOf(name)) { | |
| return opts.unknown(arg); | |
| } | |
| out[name] = false; | |
| } else { | |
| for (idx=j+1; idx < arg.length; idx++) { | |
| if (arg.charCodeAt(idx) === 61) break; // "=" | |
| } | |
| name = arg.substring(j, idx); | |
| val = arg.substring(++idx) || (i+1 === len || (''+args[i+1]).charCodeAt(0) === 45 || args[++i]); | |
| arr = (j === 2 ? [name] : name); | |
| for (idx=0; idx < arr.length; idx++) { | |
| name = arr[idx]; | |
| if (strict && !~keys.indexOf(name)) return opts.unknown('-'.repeat(j) + name); | |
| toVal(out, name, (idx + 1 < arr.length) || val, opts); | |
| } | |
| } | |
| } | |
| if (defaults) { | |
| for (k in opts.default) { | |
| if (out[k] === void 0) { | |
| out[k] = opts.default[k]; | |
| } | |
| } | |
| } | |
| if (alibi) { | |
| for (k in out) { | |
| arr = opts.alias[k] || []; | |
| while (arr.length > 0) { | |
| out[arr.shift()] = out[k]; | |
| } | |
| } | |
| } | |
| return out; | |
| } | |
| const removeBrackets = (v) => v.replace(/[<[].+/, "").trim(); | |
| const findAllBrackets = (v) => { | |
| const ANGLED_BRACKET_RE_GLOBAL = /<([^>]+)>/g; | |
| const SQUARE_BRACKET_RE_GLOBAL = /\[([^\]]+)\]/g; | |
| const res = []; | |
| const parse = (match) => { | |
| let variadic = false; | |
| let value = match[1]; | |
| if (value.startsWith("...")) { | |
| value = value.slice(3); | |
| variadic = true; | |
| } | |
| return { | |
| required: match[0].startsWith("<"), | |
| value, | |
| variadic | |
| }; | |
| }; | |
| let angledMatch; | |
| while (angledMatch = ANGLED_BRACKET_RE_GLOBAL.exec(v)) { | |
| res.push(parse(angledMatch)); | |
| } | |
| let squareMatch; | |
| while (squareMatch = SQUARE_BRACKET_RE_GLOBAL.exec(v)) { | |
| res.push(parse(squareMatch)); | |
| } | |
| return res; | |
| }; | |
| const getMriOptions = (options) => { | |
| const result = {alias: {}, boolean: []}; | |
| for (const [index, option] of options.entries()) { | |
| if (option.names.length > 1) { | |
| result.alias[option.names[0]] = option.names.slice(1); | |
| } | |
| if (option.isBoolean) { | |
| if (option.negated) { | |
| const hasStringTypeOption = options.some((o, i) => { | |
| return i !== index && o.names.some((name) => option.names.includes(name)) && typeof o.required === "boolean"; | |
| }); | |
| if (!hasStringTypeOption) { | |
| result.boolean.push(option.names[0]); | |
| } | |
| } else { | |
| result.boolean.push(option.names[0]); | |
| } | |
| } | |
| } | |
| return result; | |
| }; | |
| const findLongest = (arr) => { | |
| return arr.sort((a, b) => { | |
| return a.length > b.length ? -1 : 1; | |
| })[0]; | |
| }; | |
| const padRight = (str, length) => { | |
| return str.length >= length ? str : `${str}${" ".repeat(length - str.length)}`; | |
| }; | |
| const camelcase = (input) => { | |
| return input.replace(/([a-z])-([a-z])/g, (_, p1, p2) => { | |
| return p1 + p2.toUpperCase(); | |
| }); | |
| }; | |
| const setDotProp = (obj, keys, val) => { | |
| let i = 0; | |
| let length = keys.length; | |
| let t = obj; | |
| let x; | |
| for (; i < length; ++i) { | |
| x = t[keys[i]]; | |
| t = t[keys[i]] = i === length - 1 ? val : x != null ? x : !!~keys[i + 1].indexOf(".") || !(+keys[i + 1] > -1) ? {} : []; | |
| } | |
| }; | |
| const setByType = (obj, transforms) => { | |
| for (const key of Object.keys(transforms)) { | |
| const transform = transforms[key]; | |
| if (transform.shouldTransform) { | |
| obj[key] = Array.prototype.concat.call([], obj[key]); | |
| if (typeof transform.transformFunction === "function") { | |
| obj[key] = obj[key].map(transform.transformFunction); | |
| } | |
| } | |
| } | |
| }; | |
| const getFileName = (input) => { | |
| const m = /([^\\\/]+)$/.exec(input); | |
| return m ? m[1] : ""; | |
| }; | |
| const camelcaseOptionName = (name) => { | |
| return name.split(".").map((v, i) => { | |
| return i === 0 ? camelcase(v) : v; | |
| }).join("."); | |
| }; | |
| class CACError extends Error { | |
| constructor(message) { | |
| super(message); | |
| this.name = this.constructor.name; | |
| if (typeof Error.captureStackTrace === "function") { | |
| Error.captureStackTrace(this, this.constructor); | |
| } else { | |
| this.stack = new Error(message).stack; | |
| } | |
| } | |
| } | |
| class Option { | |
| constructor(rawName, description, config) { | |
| this.rawName = rawName; | |
| this.description = description; | |
| this.config = Object.assign({}, config); | |
| rawName = rawName.replace(/\.\*/g, ""); | |
| this.negated = false; | |
| this.names = removeBrackets(rawName).split(",").map((v) => { | |
| let name = v.trim().replace(/^-{1,2}/, ""); | |
| if (name.startsWith("no-")) { | |
| this.negated = true; | |
| name = name.replace(/^no-/, ""); | |
| } | |
| return camelcaseOptionName(name); | |
| }).sort((a, b) => a.length > b.length ? 1 : -1); | |
| this.name = this.names[this.names.length - 1]; | |
| if (this.negated && this.config.default == null) { | |
| this.config.default = true; | |
| } | |
| if (rawName.includes("<")) { | |
| this.required = true; | |
| } else if (rawName.includes("[")) { | |
| this.required = false; | |
| } else { | |
| this.isBoolean = true; | |
| } | |
| } | |
| } | |
| const processArgs = process.argv; | |
| const platformInfo = `${process.platform}-${process.arch} node-${process.version}`; | |
| class Command { | |
| constructor(rawName, description, config = {}, cli) { | |
| this.rawName = rawName; | |
| this.description = description; | |
| this.config = config; | |
| this.cli = cli; | |
| this.options = []; | |
| this.aliasNames = []; | |
| this.name = removeBrackets(rawName); | |
| this.args = findAllBrackets(rawName); | |
| this.examples = []; | |
| } | |
| usage(text) { | |
| this.usageText = text; | |
| return this; | |
| } | |
| allowUnknownOptions() { | |
| this.config.allowUnknownOptions = true; | |
| return this; | |
| } | |
| ignoreOptionDefaultValue() { | |
| this.config.ignoreOptionDefaultValue = true; | |
| return this; | |
| } | |
| version(version, customFlags = "-v, --version") { | |
| this.versionNumber = version; | |
| this.option(customFlags, "Display version number"); | |
| return this; | |
| } | |
| example(example) { | |
| this.examples.push(example); | |
| return this; | |
| } | |
| option(rawName, description, config) { | |
| const option = new Option(rawName, description, config); | |
| this.options.push(option); | |
| return this; | |
| } | |
| alias(name) { | |
| this.aliasNames.push(name); | |
| return this; | |
| } | |
| action(callback) { | |
| this.commandAction = callback; | |
| return this; | |
| } | |
| isMatched(name) { | |
| return this.name === name || this.aliasNames.includes(name); | |
| } | |
| get isDefaultCommand() { | |
| return this.name === "" || this.aliasNames.includes("!"); | |
| } | |
| get isGlobalCommand() { | |
| return this instanceof GlobalCommand; | |
| } | |
| hasOption(name) { | |
| name = name.split(".")[0]; | |
| return this.options.find((option) => { | |
| return option.names.includes(name); | |
| }); | |
| } | |
| outputHelp() { | |
| const {name, commands} = this.cli; | |
| const { | |
| versionNumber, | |
| options: globalOptions, | |
| helpCallback | |
| } = this.cli.globalCommand; | |
| let sections = [ | |
| { | |
| body: `${name}${versionNumber ? `/${versionNumber}` : ""}` | |
| } | |
| ]; | |
| sections.push({ | |
| title: "Usage", | |
| body: ` $ ${name} ${this.usageText || this.rawName}` | |
| }); | |
| const showCommands = (this.isGlobalCommand || this.isDefaultCommand) && commands.length > 0; | |
| if (showCommands) { | |
| const longestCommandName = findLongest(commands.map((command) => command.rawName)); | |
| sections.push({ | |
| title: "Commands", | |
| body: commands.map((command) => { | |
| return ` ${padRight(command.rawName, longestCommandName.length)} ${command.description}`; | |
| }).join("\n") | |
| }); | |
| sections.push({ | |
| title: `For more info, run any command with the \`--help\` flag`, | |
| body: commands.map((command) => ` $ ${name}${command.name === "" ? "" : ` ${command.name}`} --help`).join("\n") | |
| }); | |
| } | |
| let options = this.isGlobalCommand ? globalOptions : [...this.options, ...globalOptions || []]; | |
| if (!this.isGlobalCommand && !this.isDefaultCommand) { | |
| options = options.filter((option) => option.name !== "version"); | |
| } | |
| if (options.length > 0) { | |
| const longestOptionName = findLongest(options.map((option) => option.rawName)); | |
| sections.push({ | |
| title: "Options", | |
| body: options.map((option) => { | |
| return ` ${padRight(option.rawName, longestOptionName.length)} ${option.description} ${option.config.default === void 0 ? "" : `(default: ${option.config.default})`}`; | |
| }).join("\n") | |
| }); | |
| } | |
| if (this.examples.length > 0) { | |
| sections.push({ | |
| title: "Examples", | |
| body: this.examples.map((example) => { | |
| if (typeof example === "function") { | |
| return example(name); | |
| } | |
| return example; | |
| }).join("\n") | |
| }); | |
| } | |
| if (helpCallback) { | |
| sections = helpCallback(sections) || sections; | |
| } | |
| console.log(sections.map((section) => { | |
| return section.title ? `${section.title}: | |
| ${section.body}` : section.body; | |
| }).join("\n\n")); | |
| } | |
| outputVersion() { | |
| const {name} = this.cli; | |
| const {versionNumber} = this.cli.globalCommand; | |
| if (versionNumber) { | |
| console.log(`${name}/${versionNumber} ${platformInfo}`); | |
| } | |
| } | |
| checkRequiredArgs() { | |
| const minimalArgsCount = this.args.filter((arg) => arg.required).length; | |
| if (this.cli.args.length < minimalArgsCount) { | |
| throw new CACError(`missing required args for command \`${this.rawName}\``); | |
| } | |
| } | |
| checkUnknownOptions() { | |
| const {options, globalCommand} = this.cli; | |
| if (!this.config.allowUnknownOptions) { | |
| for (const name of Object.keys(options)) { | |
| if (name !== "--" && !this.hasOption(name) && !globalCommand.hasOption(name)) { | |
| throw new CACError(`Unknown option \`${name.length > 1 ? `--${name}` : `-${name}`}\``); | |
| } | |
| } | |
| } | |
| } | |
| checkOptionValue() { | |
| const {options: parsedOptions, globalCommand} = this.cli; | |
| const options = [...globalCommand.options, ...this.options]; | |
| for (const option of options) { | |
| const value = parsedOptions[option.name.split(".")[0]]; | |
| if (option.required) { | |
| const hasNegated = options.some((o) => o.negated && o.names.includes(option.name)); | |
| if (value === true || value === false && !hasNegated) { | |
| throw new CACError(`option \`${option.rawName}\` value is missing`); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| class GlobalCommand extends Command { | |
| constructor(cli) { | |
| super("@@global@@", "", {}, cli); | |
| } | |
| } | |
| var __assign = Object.assign; | |
| class CAC extends events.EventEmitter { | |
| constructor(name = "") { | |
| super(); | |
| this.name = name; | |
| this.commands = []; | |
| this.rawArgs = []; | |
| this.args = []; | |
| this.options = {}; | |
| this.globalCommand = new GlobalCommand(this); | |
| this.globalCommand.usage("<command> [options]"); | |
| } | |
| usage(text) { | |
| this.globalCommand.usage(text); | |
| return this; | |
| } | |
| command(rawName, description, config) { | |
| const command = new Command(rawName, description || "", config, this); | |
| command.globalCommand = this.globalCommand; | |
| this.commands.push(command); | |
| return command; | |
| } | |
| option(rawName, description, config) { | |
| this.globalCommand.option(rawName, description, config); | |
| return this; | |
| } | |
| help(callback) { | |
| this.globalCommand.option("-h, --help", "Display this message"); | |
| this.globalCommand.helpCallback = callback; | |
| this.showHelpOnExit = true; | |
| return this; | |
| } | |
| version(version, customFlags = "-v, --version") { | |
| this.globalCommand.version(version, customFlags); | |
| this.showVersionOnExit = true; | |
| return this; | |
| } | |
| example(example) { | |
| this.globalCommand.example(example); | |
| return this; | |
| } | |
| outputHelp() { | |
| if (this.matchedCommand) { | |
| this.matchedCommand.outputHelp(); | |
| } else { | |
| this.globalCommand.outputHelp(); | |
| } | |
| } | |
| outputVersion() { | |
| this.globalCommand.outputVersion(); | |
| } | |
| setParsedInfo({args, options}, matchedCommand, matchedCommandName) { | |
| this.args = args; | |
| this.options = options; | |
| if (matchedCommand) { | |
| this.matchedCommand = matchedCommand; | |
| } | |
| if (matchedCommandName) { | |
| this.matchedCommandName = matchedCommandName; | |
| } | |
| return this; | |
| } | |
| unsetMatchedCommand() { | |
| this.matchedCommand = void 0; | |
| this.matchedCommandName = void 0; | |
| } | |
| parse(argv = processArgs, { | |
| run = true | |
| } = {}) { | |
| this.rawArgs = argv; | |
| if (!this.name) { | |
| this.name = argv[1] ? getFileName(argv[1]) : "cli"; | |
| } | |
| let shouldParse = true; | |
| for (const command of this.commands) { | |
| const parsed = this.mri(argv.slice(2), command); | |
| const commandName = parsed.args[0]; | |
| if (command.isMatched(commandName)) { | |
| shouldParse = false; | |
| const parsedInfo = __assign(__assign({}, parsed), { | |
| args: parsed.args.slice(1) | |
| }); | |
| this.setParsedInfo(parsedInfo, command, commandName); | |
| this.emit(`command:${commandName}`, command); | |
| } | |
| } | |
| if (shouldParse) { | |
| for (const command of this.commands) { | |
| if (command.name === "") { | |
| shouldParse = false; | |
| const parsed = this.mri(argv.slice(2), command); | |
| this.setParsedInfo(parsed, command); | |
| this.emit(`command:!`, command); | |
| } | |
| } | |
| } | |
| if (shouldParse) { | |
| const parsed = this.mri(argv.slice(2)); | |
| this.setParsedInfo(parsed); | |
| } | |
| if (this.options.help && this.showHelpOnExit) { | |
| this.outputHelp(); | |
| run = false; | |
| this.unsetMatchedCommand(); | |
| } | |
| if (this.options.version && this.showVersionOnExit && this.matchedCommandName == null) { | |
| this.outputVersion(); | |
| run = false; | |
| this.unsetMatchedCommand(); | |
| } | |
| const parsedArgv = {args: this.args, options: this.options}; | |
| if (run) { | |
| this.runMatchedCommand(); | |
| } | |
| if (!this.matchedCommand && this.args[0]) { | |
| this.emit("command:*"); | |
| } | |
| return parsedArgv; | |
| } | |
| mri(argv, command) { | |
| const cliOptions = [ | |
| ...this.globalCommand.options, | |
| ...command ? command.options : [] | |
| ]; | |
| const mriOptions = getMriOptions(cliOptions); | |
| let argsAfterDoubleDashes = []; | |
| const doubleDashesIndex = argv.indexOf("--"); | |
| if (doubleDashesIndex > -1) { | |
| argsAfterDoubleDashes = argv.slice(doubleDashesIndex + 1); | |
| argv = argv.slice(0, doubleDashesIndex); | |
| } | |
| let parsed = mri2(argv, mriOptions); | |
| parsed = Object.keys(parsed).reduce((res, name) => { | |
| return __assign(__assign({}, res), { | |
| [camelcaseOptionName(name)]: parsed[name] | |
| }); | |
| }, {_: []}); | |
| const args = parsed._; | |
| const options = { | |
| "--": argsAfterDoubleDashes | |
| }; | |
| const ignoreDefault = command && command.config.ignoreOptionDefaultValue ? command.config.ignoreOptionDefaultValue : this.globalCommand.config.ignoreOptionDefaultValue; | |
| let transforms = Object.create(null); | |
| for (const cliOption of cliOptions) { | |
| if (!ignoreDefault && cliOption.config.default !== void 0) { | |
| for (const name of cliOption.names) { | |
| options[name] = cliOption.config.default; | |
| } | |
| } | |
| if (Array.isArray(cliOption.config.type)) { | |
| if (transforms[cliOption.name] === void 0) { | |
| transforms[cliOption.name] = Object.create(null); | |
| transforms[cliOption.name]["shouldTransform"] = true; | |
| transforms[cliOption.name]["transformFunction"] = cliOption.config.type[0]; | |
| } | |
| } | |
| } | |
| for (const key of Object.keys(parsed)) { | |
| if (key !== "_") { | |
| const keys = key.split("."); | |
| setDotProp(options, keys, parsed[key]); | |
| setByType(options, transforms); | |
| } | |
| } | |
| return { | |
| args, | |
| options | |
| }; | |
| } | |
| runMatchedCommand() { | |
| const {args, options, matchedCommand: command} = this; | |
| if (!command || !command.commandAction) | |
| return; | |
| command.checkUnknownOptions(); | |
| command.checkOptionValue(); | |
| command.checkRequiredArgs(); | |
| const actionArgs = []; | |
| command.args.forEach((arg, index) => { | |
| if (arg.variadic) { | |
| actionArgs.push(args.slice(index)); | |
| } else { | |
| actionArgs.push(args[index]); | |
| } | |
| }); | |
| actionArgs.push(options); | |
| return command.commandAction.apply(this, actionArgs); | |
| } | |
| } | |
| const cac = (name = "") => new CAC(name); | |
| exports.CAC = CAC; | |
| exports.Command = Command; | |
| exports.cac = cac; | |
| exports.default = cac; | |