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386
book/node_modules/commander/typings/index.d.ts
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386
book/node_modules/commander/typings/index.d.ts
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// Type definitions for commander
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// Original definitions by: Alan Agius <https://github.com/alan-agius4>, Marcelo Dezem <https://github.com/mdezem>, vvakame <https://github.com/vvakame>, Jules Randolph <https://github.com/sveinburne>
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declare namespace commander {
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interface CommanderError extends Error {
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code: string;
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exitCode: number;
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message: string;
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nestedError?: string;
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}
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type CommanderErrorConstructor = new (exitCode: number, code: string, message: string) => CommanderError;
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interface Option {
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flags: string;
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required: boolean; // A value must be supplied when the option is specified.
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optional: boolean; // A value is optional when the option is specified.
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mandatory: boolean; // The option must have a value after parsing, which usually means it must be specified on command line.
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bool: boolean;
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short?: string;
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long: string;
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description: string;
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}
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type OptionConstructor = new (flags: string, description?: string) => Option;
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interface ParseOptions {
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from: 'node' | 'electron' | 'user';
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}
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interface Command {
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[key: string]: any; // options as properties
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args: string[];
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commands: Command[];
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/**
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* Set the program version to `str`.
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*
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* This method auto-registers the "-V, --version" flag
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* which will print the version number when passed.
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*
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* You can optionally supply the flags and description to override the defaults.
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*/
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version(str: string, flags?: string, description?: string): this;
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/**
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* Define a command, implemented using an action handler.
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*
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* @remarks
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* The command description is supplied using `.description`, not as a parameter to `.command`.
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*
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* @example
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* ```ts
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* program
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* .command('clone <source> [destination]')
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* .description('clone a repository into a newly created directory')
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* .action((source, destination) => {
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* console.log('clone command called');
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* });
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* ```
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*
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* @param nameAndArgs - command name and arguments, args are `<required>` or `[optional]` and last may also be `variadic...`
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* @param opts - configuration options
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* @returns new command
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*/
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command(nameAndArgs: string, opts?: CommandOptions): ReturnType<this['createCommand']>;
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/**
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* Define a command, implemented in a separate executable file.
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*
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* @remarks
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* The command description is supplied as the second parameter to `.command`.
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*
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* @example
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* ```ts
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* program
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* .command('start <service>', 'start named service')
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* .command('stop [service]', 'stop named serice, or all if no name supplied');
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* ```
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*
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* @param nameAndArgs - command name and arguments, args are `<required>` or `[optional]` and last may also be `variadic...`
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* @param description - description of executable command
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* @param opts - configuration options
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* @returns `this` command for chaining
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*/
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command(nameAndArgs: string, description: string, opts?: commander.ExecutableCommandOptions): this;
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/**
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* Factory routine to create a new unattached command.
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*
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* See .command() for creating an attached subcommand, which uses this routine to
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* create the command. You can override createCommand to customise subcommands.
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*/
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createCommand(name?: string): Command;
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/**
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* Add a prepared subcommand.
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*
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* See .command() for creating an attached subcommand which inherits settings from its parent.
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*
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* @returns `this` command for chaining
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*/
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addCommand(cmd: Command, opts?: CommandOptions): this;
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/**
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* Define argument syntax for command.
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*
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* @returns `this` command for chaining
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*/
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arguments(desc: string): this;
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/**
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* Register callback to use as replacement for calling process.exit.
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*/
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exitOverride(callback?: (err: CommanderError) => never|void): this;
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/**
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* Register callback `fn` for the command.
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*
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* @example
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* program
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* .command('help')
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* .description('display verbose help')
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* .action(function() {
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* // output help here
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* });
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*
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* @returns `this` command for chaining
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*/
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action(fn: (...args: any[]) => void | Promise<void>): this;
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/**
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* Define option with `flags`, `description` and optional
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* coercion `fn`.
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*
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* The `flags` string should contain both the short and long flags,
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* separated by comma, a pipe or space. The following are all valid
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* all will output this way when `--help` is used.
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*
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* "-p, --pepper"
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* "-p|--pepper"
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* "-p --pepper"
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*
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* @example
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* // simple boolean defaulting to false
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* program.option('-p, --pepper', 'add pepper');
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*
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* --pepper
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* program.pepper
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* // => Boolean
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*
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* // simple boolean defaulting to true
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* program.option('-C, --no-cheese', 'remove cheese');
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*
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* program.cheese
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* // => true
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*
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* --no-cheese
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* program.cheese
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* // => false
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*
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* // required argument
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* program.option('-C, --chdir <path>', 'change the working directory');
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*
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* --chdir /tmp
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* program.chdir
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* // => "/tmp"
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*
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* // optional argument
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* program.option('-c, --cheese [type]', 'add cheese [marble]');
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*
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* @returns `this` command for chaining
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*/
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option(flags: string, description?: string, defaultValue?: string | boolean): this;
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option(flags: string, description: string, regexp: RegExp, defaultValue?: string | boolean): this;
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option<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this;
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/**
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* Define a required option, which must have a value after parsing. This usually means
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* the option must be specified on the command line. (Otherwise the same as .option().)
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*
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* The `flags` string should contain both the short and long flags, separated by comma, a pipe or space.
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*/
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requiredOption(flags: string, description?: string, defaultValue?: string | boolean): this;
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requiredOption(flags: string, description: string, regexp: RegExp, defaultValue?: string | boolean): this;
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requiredOption<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this;
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/**
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* Whether to store option values as properties on command object,
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* or store separately (specify false). In both cases the option values can be accessed using .opts().
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*
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* @returns `this` command for chaining
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*/
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storeOptionsAsProperties(value?: boolean): this;
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/**
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* Whether to pass command to action handler,
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* or just the options (specify false).
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*
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* @returns `this` command for chaining
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*/
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passCommandToAction(value?: boolean): this;
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/**
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* Allow unknown options on the command line.
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*
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* @param [arg] if `true` or omitted, no error will be thrown for unknown options.
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* @returns `this` command for chaining
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*/
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allowUnknownOption(arg?: boolean): this;
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/**
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* Parse `argv`, setting options and invoking commands when defined.
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*
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* The default expectation is that the arguments are from node and have the application as argv[0]
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* and the script being run in argv[1], with user parameters after that.
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*
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* Examples:
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*
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* program.parse(process.argv);
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* program.parse(); // implicitly use process.argv and auto-detect node vs electron conventions
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* program.parse(my-args, { from: 'user' }); // just user supplied arguments, nothing special about argv[0]
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*
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* @returns `this` command for chaining
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*/
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parse(argv?: string[], options?: ParseOptions): this;
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/**
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* Parse `argv`, setting options and invoking commands when defined.
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*
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* Use parseAsync instead of parse if any of your action handlers are async. Returns a Promise.
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*
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* The default expectation is that the arguments are from node and have the application as argv[0]
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* and the script being run in argv[1], with user parameters after that.
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*
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* Examples:
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*
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* program.parseAsync(process.argv);
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* program.parseAsync(); // implicitly use process.argv and auto-detect node vs electron conventions
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* program.parseAsync(my-args, { from: 'user' }); // just user supplied arguments, nothing special about argv[0]
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*
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* @returns Promise
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*/
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parseAsync(argv?: string[], options?: ParseOptions): Promise<this>;
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/**
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* Parse options from `argv` removing known options,
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* and return argv split into operands and unknown arguments.
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*
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* @example
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* argv => operands, unknown
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* --known kkk op => [op], []
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* op --known kkk => [op], []
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* sub --unknown uuu op => [sub], [--unknown uuu op]
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* sub -- --unknown uuu op => [sub --unknown uuu op], []
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*/
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parseOptions(argv: string[]): commander.ParseOptionsResult;
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/**
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* Return an object containing options as key-value pairs
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*/
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opts(): { [key: string]: any };
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/**
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* Set the description.
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*
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* @returns `this` command for chaining
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*/
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description(str: string, argsDescription?: {[argName: string]: string}): this;
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/**
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* Get the description.
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*/
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description(): string;
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/**
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* Set an alias for the command.
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*
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* You may call more than once to add multiple aliases. Only the first alias is shown in the auto-generated help.
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*
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* @returns `this` command for chaining
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*/
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alias(alias: string): this;
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/**
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* Get alias for the command.
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*/
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alias(): string;
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/**
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* Set aliases for the command.
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*
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* Only the first alias is shown in the auto-generated help.
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*
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* @returns `this` command for chaining
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*/
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aliases(aliases: string[]): this;
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/**
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* Get aliases for the command.
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*/
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aliases(): string[];
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/**
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* Set the command usage.
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*
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* @returns `this` command for chaining
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*/
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usage(str: string): this;
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/**
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* Get the command usage.
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*/
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usage(): string;
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/**
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* Set the name of the command.
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*
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* @returns `this` command for chaining
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*/
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name(str: string): this;
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/**
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* Get the name of the command.
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*/
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name(): string;
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/**
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* Output help information for this command.
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*
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* When listener(s) are available for the helpLongFlag
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* those callbacks are invoked.
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*/
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outputHelp(cb?: (str: string) => string): void;
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/**
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* Return command help documentation.
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*/
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helpInformation(): string;
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/**
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* You can pass in flags and a description to override the help
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* flags and help description for your command.
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*/
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helpOption(flags?: string, description?: string): this;
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/**
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* Output help information and exit.
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*/
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help(cb?: (str: string) => string): never;
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/**
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* Add a listener (callback) for when events occur. (Implemented using EventEmitter.)
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*
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* @example
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* program
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* .on('--help', () -> {
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* console.log('See web site for more information.');
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* });
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*/
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on(event: string | symbol, listener: (...args: any[]) => void): this;
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}
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type CommandConstructor = new (name?: string) => Command;
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interface CommandOptions {
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noHelp?: boolean; // old name for hidden
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hidden?: boolean;
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isDefault?: boolean;
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}
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interface ExecutableCommandOptions extends CommandOptions {
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executableFile?: string;
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}
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interface ParseOptionsResult {
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operands: string[];
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unknown: string[];
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}
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interface CommanderStatic extends Command {
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program: Command;
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Command: CommandConstructor;
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Option: OptionConstructor;
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CommanderError: CommanderErrorConstructor;
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}
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}
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// Declaring namespace AND global
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// eslint-disable-next-line no-redeclare
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declare const commander: commander.CommanderStatic;
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export = commander;
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