penambahan web socket

examples/nuxt3-websocket-client/node_modules/cac/dist/index.d.ts

@@ -0,0 +1,191 @@
+import { EventEmitter } from 'events';
+
+interface OptionConfig {
+    default?: any;
+    type?: any[];
+}
+declare class Option {
+    rawName: string;
+    description: string;
+    /** Option name */
+    name: string;
+    /** Option name and aliases */
+    names: string[];
+    isBoolean?: boolean;
+    required?: boolean;
+    config: OptionConfig;
+    negated: boolean;
+    constructor(rawName: string, description: string, config?: OptionConfig);
+}
+
+interface CommandArg {
+    required: boolean;
+    value: string;
+    variadic: boolean;
+}
+interface HelpSection {
+    title?: string;
+    body: string;
+}
+interface CommandConfig {
+    allowUnknownOptions?: boolean;
+    ignoreOptionDefaultValue?: boolean;
+}
+declare type HelpCallback = (sections: HelpSection[]) => void | HelpSection[];
+declare type CommandExample = ((bin: string) => string) | string;
+declare class Command {
+    rawName: string;
+    description: string;
+    config: CommandConfig;
+    cli: CAC;
+    options: Option[];
+    aliasNames: string[];
+    name: string;
+    args: CommandArg[];
+    commandAction?: (...args: any[]) => any;
+    usageText?: string;
+    versionNumber?: string;
+    examples: CommandExample[];
+    helpCallback?: HelpCallback;
+    globalCommand?: GlobalCommand;
+    constructor(rawName: string, description: string, config: CommandConfig, cli: CAC);
+    usage(text: string): this;
+    allowUnknownOptions(): this;
+    ignoreOptionDefaultValue(): this;
+    version(version: string, customFlags?: string): this;
+    example(example: CommandExample): this;
+    /**
+     * Add a option for this command
+     * @param rawName Raw option name(s)
+     * @param description Option description
+     * @param config Option config
+     */
+    option(rawName: string, description: string, config?: OptionConfig): this;
+    alias(name: string): this;
+    action(callback: (...args: any[]) => any): this;
+    /**
+     * Check if a command name is matched by this command
+     * @param name Command name
+     */
+    isMatched(name: string): boolean;
+    get isDefaultCommand(): boolean;
+    get isGlobalCommand(): boolean;
+    /**
+     * Check if an option is registered in this command
+     * @param name Option name
+     */
+    hasOption(name: string): Option | undefined;
+    outputHelp(): void;
+    outputVersion(): void;
+    checkRequiredArgs(): void;
+    /**
+     * Check if the parsed options contain any unknown options
+     *
+     * Exit and output error when true
+     */
+    checkUnknownOptions(): void;
+    /**
+     * Check if the required string-type options exist
+     */
+    checkOptionValue(): void;
+}
+declare class GlobalCommand extends Command {
+    constructor(cli: CAC);
+}
+
+interface ParsedArgv {
+    args: ReadonlyArray<string>;
+    options: {
+        [k: string]: any;
+    };
+}
+declare class CAC extends EventEmitter {
+    /** The program name to display in help and version message */
+    name: string;
+    commands: Command[];
+    globalCommand: GlobalCommand;
+    matchedCommand?: Command;
+    matchedCommandName?: string;
+    /**
+     * Raw CLI arguments
+     */
+    rawArgs: string[];
+    /**
+     * Parsed CLI arguments
+     */
+    args: ParsedArgv['args'];
+    /**
+     * Parsed CLI options, camelCased
+     */
+    options: ParsedArgv['options'];
+    showHelpOnExit?: boolean;
+    showVersionOnExit?: boolean;
+    /**
+     * @param name The program name to display in help and version message
+     */
+    constructor(name?: string);
+    /**
+     * Add a global usage text.
+     *
+     * This is not used by sub-commands.
+     */
+    usage(text: string): this;
+    /**
+     * Add a sub-command
+     */
+    command(rawName: string, description?: string, config?: CommandConfig): Command;
+    /**
+     * Add a global CLI option.
+     *
+     * Which is also applied to sub-commands.
+     */
+    option(rawName: string, description: string, config?: OptionConfig): this;
+    /**
+     * Show help message when `-h, --help` flags appear.
+     *
+     */
+    help(callback?: HelpCallback): this;
+    /**
+     * Show version number when `-v, --version` flags appear.
+     *
+     */
+    version(version: string, customFlags?: string): this;
+    /**
+     * Add a global example.
+     *
+     * This example added here will not be used by sub-commands.
+     */
+    example(example: CommandExample): this;
+    /**
+     * Output the corresponding help message
+     * When a sub-command is matched, output the help message for the command
+     * Otherwise output the global one.
+     *
+     */
+    outputHelp(): void;
+    /**
+     * Output the version number.
+     *
+     */
+    outputVersion(): void;
+    private setParsedInfo;
+    unsetMatchedCommand(): void;
+    /**
+     * Parse argv
+     */
+    parse(argv?: string[], { 
+    /** Whether to run the action for matched command */
+    run, }?: {
+        run?: boolean | undefined;
+    }): ParsedArgv;
+    private mri;
+    runMatchedCommand(): any;
+}
+
+/**
+ * @param name The program name to display in help and version message
+ */
+declare const cac: (name?: string) => CAC;
+
+export default cac;
+export { CAC, Command, cac };

examples/nuxt3-websocket-client/node_modules/cac/dist/index.js

@@ -0,0 +1,623 @@
+'use strict';
+
+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;

examples/nuxt3-websocket-client/node_modules/cac/dist/index.mjs

@@ -0,0 +1,617 @@
+import { EventEmitter } from '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 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);
+
+export default cac;
+export { CAC, Command, cac };