File size: 27,884 Bytes
369fac9 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 |
// Type definitions for commander
// 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>
// Using method rather than property for method-signature-style, to document method overloads separately. Allow either.
/* eslint-disable @typescript-eslint/method-signature-style */
/* eslint-disable @typescript-eslint/no-explicit-any */
export class CommanderError extends Error {
code: string;
exitCode: number;
message: string;
nestedError?: string;
/**
* Constructs the CommanderError class
* @param exitCode - suggested exit code which could be used with process.exit
* @param code - an id string representing the error
* @param message - human-readable description of the error
* @constructor
*/
constructor(exitCode: number, code: string, message: string);
}
export class InvalidArgumentError extends CommanderError {
/**
* Constructs the InvalidArgumentError class
* @param message - explanation of why argument is invalid
* @constructor
*/
constructor(message: string);
}
export { InvalidArgumentError as InvalidOptionArgumentError }; // deprecated old name
export interface ErrorOptions { // optional parameter for error()
/** an id string representing the error */
code?: string;
/** suggested exit code which could be used with process.exit */
exitCode?: number;
}
export class Argument {
description: string;
required: boolean;
variadic: boolean;
/**
* Initialize a new command argument with the given name and description.
* The default is that the argument is required, and you can explicitly
* indicate this with <> around the name. Put [] around the name for an optional argument.
*/
constructor(arg: string, description?: string);
/**
* Return argument name.
*/
name(): string;
/**
* Set the default value, and optionally supply the description to be displayed in the help.
*/
default(value: unknown, description?: string): this;
/**
* Set the custom handler for processing CLI command arguments into argument values.
*/
argParser<T>(fn: (value: string, previous: T) => T): this;
/**
* Only allow argument value to be one of choices.
*/
choices(values: readonly string[]): this;
/**
* Make argument required.
*/
argRequired(): this;
/**
* Make argument optional.
*/
argOptional(): this;
}
export class Option {
flags: string;
description: string;
required: boolean; // A value must be supplied when the option is specified.
optional: boolean; // A value is optional when the option is specified.
variadic: boolean;
mandatory: boolean; // The option must have a value after parsing, which usually means it must be specified on command line.
short?: string;
long?: string;
negate: boolean;
defaultValue?: any;
defaultValueDescription?: string;
parseArg?: <T>(value: string, previous: T) => T;
hidden: boolean;
argChoices?: string[];
constructor(flags: string, description?: string);
/**
* Set the default value, and optionally supply the description to be displayed in the help.
*/
default(value: unknown, description?: string): this;
/**
* Preset to use when option used without option-argument, especially optional but also boolean and negated.
* The custom processing (parseArg) is called.
*
* @example
* ```ts
* new Option('--color').default('GREYSCALE').preset('RGB');
* new Option('--donate [amount]').preset('20').argParser(parseFloat);
* ```
*/
preset(arg: unknown): this;
/**
* Add option name(s) that conflict with this option.
* An error will be displayed if conflicting options are found during parsing.
*
* @example
* ```ts
* new Option('--rgb').conflicts('cmyk');
* new Option('--js').conflicts(['ts', 'jsx']);
* ```
*/
conflicts(names: string | string[]): this;
/**
* Specify implied option values for when this option is set and the implied options are not.
*
* The custom processing (parseArg) is not called on the implied values.
*
* @example
* program
* .addOption(new Option('--log', 'write logging information to file'))
* .addOption(new Option('--trace', 'log extra details').implies({ log: 'trace.txt' }));
*/
implies(optionValues: OptionValues): this;
/**
* Set environment variable to check for option value.
*
* An environment variables is only used if when processed the current option value is
* undefined, or the source of the current value is 'default' or 'config' or 'env'.
*/
env(name: string): this;
/**
* Calculate the full description, including defaultValue etc.
*/
fullDescription(): string;
/**
* Set the custom handler for processing CLI option arguments into option values.
*/
argParser<T>(fn: (value: string, previous: T) => T): this;
/**
* Whether the option is mandatory and must have a value after parsing.
*/
makeOptionMandatory(mandatory?: boolean): this;
/**
* Hide option in help.
*/
hideHelp(hide?: boolean): this;
/**
* Only allow option value to be one of choices.
*/
choices(values: readonly string[]): this;
/**
* Return option name.
*/
name(): string;
/**
* Return option name, in a camelcase format that can be used
* as a object attribute key.
*/
attributeName(): string;
/**
* Return whether a boolean option.
*
* Options are one of boolean, negated, required argument, or optional argument.
*/
isBoolean(): boolean;
}
export class Help {
/** output helpWidth, long lines are wrapped to fit */
helpWidth?: number;
sortSubcommands: boolean;
sortOptions: boolean;
showGlobalOptions: boolean;
constructor();
/** Get the command term to show in the list of subcommands. */
subcommandTerm(cmd: Command): string;
/** Get the command summary to show in the list of subcommands. */
subcommandDescription(cmd: Command): string;
/** Get the option term to show in the list of options. */
optionTerm(option: Option): string;
/** Get the option description to show in the list of options. */
optionDescription(option: Option): string;
/** Get the argument term to show in the list of arguments. */
argumentTerm(argument: Argument): string;
/** Get the argument description to show in the list of arguments. */
argumentDescription(argument: Argument): string;
/** Get the command usage to be displayed at the top of the built-in help. */
commandUsage(cmd: Command): string;
/** Get the description for the command. */
commandDescription(cmd: Command): string;
/** Get an array of the visible subcommands. Includes a placeholder for the implicit help command, if there is one. */
visibleCommands(cmd: Command): Command[];
/** Get an array of the visible options. Includes a placeholder for the implicit help option, if there is one. */
visibleOptions(cmd: Command): Option[];
/** Get an array of the visible global options. (Not including help.) */
visibleGlobalOptions(cmd: Command): Option[];
/** Get an array of the arguments which have descriptions. */
visibleArguments(cmd: Command): Argument[];
/** Get the longest command term length. */
longestSubcommandTermLength(cmd: Command, helper: Help): number;
/** Get the longest option term length. */
longestOptionTermLength(cmd: Command, helper: Help): number;
/** Get the longest global option term length. */
longestGlobalOptionTermLength(cmd: Command, helper: Help): number;
/** Get the longest argument term length. */
longestArgumentTermLength(cmd: Command, helper: Help): number;
/** Calculate the pad width from the maximum term length. */
padWidth(cmd: Command, helper: Help): number;
/**
* Wrap the given string to width characters per line, with lines after the first indented.
* Do not wrap if insufficient room for wrapping (minColumnWidth), or string is manually formatted.
*/
wrap(str: string, width: number, indent: number, minColumnWidth?: number): string;
/** Generate the built-in help text. */
formatHelp(cmd: Command, helper: Help): string;
}
export type HelpConfiguration = Partial<Help>;
export interface ParseOptions {
from: 'node' | 'electron' | 'user';
}
export interface HelpContext { // optional parameter for .help() and .outputHelp()
error: boolean;
}
export interface AddHelpTextContext { // passed to text function used with .addHelpText()
error: boolean;
command: Command;
}
export interface OutputConfiguration {
writeOut?(str: string): void;
writeErr?(str: string): void;
getOutHelpWidth?(): number;
getErrHelpWidth?(): number;
outputError?(str: string, write: (str: string) => void): void;
}
export type AddHelpTextPosition = 'beforeAll' | 'before' | 'after' | 'afterAll';
export type HookEvent = 'preSubcommand' | 'preAction' | 'postAction';
export type OptionValueSource = 'default' | 'config' | 'env' | 'cli' | 'implied';
export type OptionValues = Record<string, any>;
export class Command {
args: string[];
processedArgs: any[];
readonly commands: readonly Command[];
readonly options: readonly Option[];
parent: Command | null;
constructor(name?: string);
/**
* Set the program version to `str`.
*
* This method auto-registers the "-V, --version" flag
* which will print the version number when passed.
*
* You can optionally supply the flags and description to override the defaults.
*/
version(str: string, flags?: string, description?: string): this;
/**
* Define a command, implemented using an action handler.
*
* @remarks
* The command description is supplied using `.description`, not as a parameter to `.command`.
*
* @example
* ```ts
* program
* .command('clone <source> [destination]')
* .description('clone a repository into a newly created directory')
* .action((source, destination) => {
* console.log('clone command called');
* });
* ```
*
* @param nameAndArgs - command name and arguments, args are `<required>` or `[optional]` and last may also be `variadic...`
* @param opts - configuration options
* @returns new command
*/
command(nameAndArgs: string, opts?: CommandOptions): ReturnType<this['createCommand']>;
/**
* Define a command, implemented in a separate executable file.
*
* @remarks
* The command description is supplied as the second parameter to `.command`.
*
* @example
* ```ts
* program
* .command('start <service>', 'start named service')
* .command('stop [service]', 'stop named service, or all if no name supplied');
* ```
*
* @param nameAndArgs - command name and arguments, args are `<required>` or `[optional]` and last may also be `variadic...`
* @param description - description of executable command
* @param opts - configuration options
* @returns `this` command for chaining
*/
command(nameAndArgs: string, description: string, opts?: ExecutableCommandOptions): this;
/**
* Factory routine to create a new unattached command.
*
* See .command() for creating an attached subcommand, which uses this routine to
* create the command. You can override createCommand to customise subcommands.
*/
createCommand(name?: string): Command;
/**
* Add a prepared subcommand.
*
* See .command() for creating an attached subcommand which inherits settings from its parent.
*
* @returns `this` command for chaining
*/
addCommand(cmd: Command, opts?: CommandOptions): this;
/**
* Factory routine to create a new unattached argument.
*
* See .argument() for creating an attached argument, which uses this routine to
* create the argument. You can override createArgument to return a custom argument.
*/
createArgument(name: string, description?: string): Argument;
/**
* Define argument syntax for command.
*
* The default is that the argument is required, and you can explicitly
* indicate this with <> around the name. Put [] around the name for an optional argument.
*
* @example
* ```
* program.argument('<input-file>');
* program.argument('[output-file]');
* ```
*
* @returns `this` command for chaining
*/
argument<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this;
argument(name: string, description?: string, defaultValue?: unknown): this;
/**
* Define argument syntax for command, adding a prepared argument.
*
* @returns `this` command for chaining
*/
addArgument(arg: Argument): this;
/**
* Define argument syntax for command, adding multiple at once (without descriptions).
*
* See also .argument().
*
* @example
* ```
* program.arguments('<cmd> [env]');
* ```
*
* @returns `this` command for chaining
*/
arguments(names: string): this;
/**
* Override default decision whether to add implicit help command.
*
* @example
* ```
* addHelpCommand() // force on
* addHelpCommand(false); // force off
* addHelpCommand('help [cmd]', 'display help for [cmd]'); // force on with custom details
* ```
*
* @returns `this` command for chaining
*/
addHelpCommand(enableOrNameAndArgs?: string | boolean, description?: string): this;
/**
* Add hook for life cycle event.
*/
hook(event: HookEvent, listener: (thisCommand: Command, actionCommand: Command) => void | Promise<void>): this;
/**
* Register callback to use as replacement for calling process.exit.
*/
exitOverride(callback?: (err: CommanderError) => never | void): this;
/**
* Display error message and exit (or call exitOverride).
*/
error(message: string, errorOptions?: ErrorOptions): never;
/**
* You can customise the help with a subclass of Help by overriding createHelp,
* or by overriding Help properties using configureHelp().
*/
createHelp(): Help;
/**
* You can customise the help by overriding Help properties using configureHelp(),
* or with a subclass of Help by overriding createHelp().
*/
configureHelp(configuration: HelpConfiguration): this;
/** Get configuration */
configureHelp(): HelpConfiguration;
/**
* The default output goes to stdout and stderr. You can customise this for special
* applications. You can also customise the display of errors by overriding outputError.
*
* The configuration properties are all functions:
* ```
* // functions to change where being written, stdout and stderr
* writeOut(str)
* writeErr(str)
* // matching functions to specify width for wrapping help
* getOutHelpWidth()
* getErrHelpWidth()
* // functions based on what is being written out
* outputError(str, write) // used for displaying errors, and not used for displaying help
* ```
*/
configureOutput(configuration: OutputConfiguration): this;
/** Get configuration */
configureOutput(): OutputConfiguration;
/**
* Copy settings that are useful to have in common across root command and subcommands.
*
* (Used internally when adding a command using `.command()` so subcommands inherit parent settings.)
*/
copyInheritedSettings(sourceCommand: Command): this;
/**
* Display the help or a custom message after an error occurs.
*/
showHelpAfterError(displayHelp?: boolean | string): this;
/**
* Display suggestion of similar commands for unknown commands, or options for unknown options.
*/
showSuggestionAfterError(displaySuggestion?: boolean): this;
/**
* Register callback `fn` for the command.
*
* @example
* ```
* program
* .command('serve')
* .description('start service')
* .action(function() {
* // do work here
* });
* ```
*
* @returns `this` command for chaining
*/
action(fn: (...args: any[]) => void | Promise<void>): this;
/**
* Define option with `flags`, `description` and optional
* coercion `fn`.
*
* The `flags` string contains the short and/or long flags,
* separated by comma, a pipe or space. The following are all valid
* all will output this way when `--help` is used.
*
* "-p, --pepper"
* "-p|--pepper"
* "-p --pepper"
*
* @example
* ```
* // simple boolean defaulting to false
* program.option('-p, --pepper', 'add pepper');
*
* --pepper
* program.pepper
* // => Boolean
*
* // simple boolean defaulting to true
* program.option('-C, --no-cheese', 'remove cheese');
*
* program.cheese
* // => true
*
* --no-cheese
* program.cheese
* // => false
*
* // required argument
* program.option('-C, --chdir <path>', 'change the working directory');
*
* --chdir /tmp
* program.chdir
* // => "/tmp"
*
* // optional argument
* program.option('-c, --cheese [type]', 'add cheese [marble]');
* ```
*
* @returns `this` command for chaining
*/
option(flags: string, description?: string, defaultValue?: string | boolean | string[]): this;
option<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this;
/** @deprecated since v7, instead use choices or a custom function */
option(flags: string, description: string, regexp: RegExp, defaultValue?: string | boolean | string[]): this;
/**
* Define a required option, which must have a value after parsing. This usually means
* the option must be specified on the command line. (Otherwise the same as .option().)
*
* The `flags` string contains the short and/or long flags, separated by comma, a pipe or space.
*/
requiredOption(flags: string, description?: string, defaultValue?: string | boolean | string[]): this;
requiredOption<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this;
/** @deprecated since v7, instead use choices or a custom function */
requiredOption(flags: string, description: string, regexp: RegExp, defaultValue?: string | boolean | string[]): this;
/**
* Factory routine to create a new unattached option.
*
* See .option() for creating an attached option, which uses this routine to
* create the option. You can override createOption to return a custom option.
*/
createOption(flags: string, description?: string): Option;
/**
* Add a prepared Option.
*
* See .option() and .requiredOption() for creating and attaching an option in a single call.
*/
addOption(option: Option): this;
/**
* Whether to store option values as properties on command object,
* or store separately (specify false). In both cases the option values can be accessed using .opts().
*
* @returns `this` command for chaining
*/
storeOptionsAsProperties<T extends OptionValues>(): this & T;
storeOptionsAsProperties<T extends OptionValues>(storeAsProperties: true): this & T;
storeOptionsAsProperties(storeAsProperties?: boolean): this;
/**
* Retrieve option value.
*/
getOptionValue(key: string): any;
/**
* Store option value.
*/
setOptionValue(key: string, value: unknown): this;
/**
* Store option value and where the value came from.
*/
setOptionValueWithSource(key: string, value: unknown, source: OptionValueSource): this;
/**
* Get source of option value.
*/
getOptionValueSource(key: string): OptionValueSource | undefined;
/**
* Get source of option value. See also .optsWithGlobals().
*/
getOptionValueSourceWithGlobals(key: string): OptionValueSource | undefined;
/**
* Alter parsing of short flags with optional values.
*
* @example
* ```
* // for `.option('-f,--flag [value]'):
* .combineFlagAndOptionalValue(true) // `-f80` is treated like `--flag=80`, this is the default behaviour
* .combineFlagAndOptionalValue(false) // `-fb` is treated like `-f -b`
* ```
*
* @returns `this` command for chaining
*/
combineFlagAndOptionalValue(combine?: boolean): this;
/**
* Allow unknown options on the command line.
*
* @returns `this` command for chaining
*/
allowUnknownOption(allowUnknown?: boolean): this;
/**
* Allow excess command-arguments on the command line. Pass false to make excess arguments an error.
*
* @returns `this` command for chaining
*/
allowExcessArguments(allowExcess?: boolean): this;
/**
* Enable positional options. Positional means global options are specified before subcommands which lets
* subcommands reuse the same option names, and also enables subcommands to turn on passThroughOptions.
*
* The default behaviour is non-positional and global options may appear anywhere on the command line.
*
* @returns `this` command for chaining
*/
enablePositionalOptions(positional?: boolean): this;
/**
* Pass through options that come after command-arguments rather than treat them as command-options,
* so actual command-options come before command-arguments. Turning this on for a subcommand requires
* positional options to have been enabled on the program (parent commands).
*
* The default behaviour is non-positional and options may appear before or after command-arguments.
*
* @returns `this` command for chaining
*/
passThroughOptions(passThrough?: boolean): this;
/**
* Parse `argv`, setting options and invoking commands when defined.
*
* The default expectation is that the arguments are from node and have the application as argv[0]
* and the script being run in argv[1], with user parameters after that.
*
* @example
* ```
* program.parse(process.argv);
* program.parse(); // implicitly use process.argv and auto-detect node vs electron conventions
* program.parse(my-args, { from: 'user' }); // just user supplied arguments, nothing special about argv[0]
* ```
*
* @returns `this` command for chaining
*/
parse(argv?: readonly string[], options?: ParseOptions): this;
/**
* Parse `argv`, setting options and invoking commands when defined.
*
* Use parseAsync instead of parse if any of your action handlers are async. Returns a Promise.
*
* The default expectation is that the arguments are from node and have the application as argv[0]
* and the script being run in argv[1], with user parameters after that.
*
* @example
* ```
* program.parseAsync(process.argv);
* program.parseAsync(); // implicitly use process.argv and auto-detect node vs electron conventions
* program.parseAsync(my-args, { from: 'user' }); // just user supplied arguments, nothing special about argv[0]
* ```
*
* @returns Promise
*/
parseAsync(argv?: readonly string[], options?: ParseOptions): Promise<this>;
/**
* Parse options from `argv` removing known options,
* and return argv split into operands and unknown arguments.
*
* argv => operands, unknown
* --known kkk op => [op], []
* op --known kkk => [op], []
* sub --unknown uuu op => [sub], [--unknown uuu op]
* sub -- --unknown uuu op => [sub --unknown uuu op], []
*/
parseOptions(argv: string[]): ParseOptionsResult;
/**
* Return an object containing local option values as key-value pairs
*/
opts<T extends OptionValues>(): T;
/**
* Return an object containing merged local and global option values as key-value pairs.
*/
optsWithGlobals<T extends OptionValues>(): T;
/**
* Set the description.
*
* @returns `this` command for chaining
*/
description(str: string): this;
/** @deprecated since v8, instead use .argument to add command argument with description */
description(str: string, argsDescription: Record<string, string>): this;
/**
* Get the description.
*/
description(): string;
/**
* Set the summary. Used when listed as subcommand of parent.
*
* @returns `this` command for chaining
*/
summary(str: string): this;
/**
* Get the summary.
*/
summary(): string;
/**
* Set an alias for the command.
*
* You may call more than once to add multiple aliases. Only the first alias is shown in the auto-generated help.
*
* @returns `this` command for chaining
*/
alias(alias: string): this;
/**
* Get alias for the command.
*/
alias(): string;
/**
* Set aliases for the command.
*
* Only the first alias is shown in the auto-generated help.
*
* @returns `this` command for chaining
*/
aliases(aliases: readonly string[]): this;
/**
* Get aliases for the command.
*/
aliases(): string[];
/**
* Set the command usage.
*
* @returns `this` command for chaining
*/
usage(str: string): this;
/**
* Get the command usage.
*/
usage(): string;
/**
* Set the name of the command.
*
* @returns `this` command for chaining
*/
name(str: string): this;
/**
* Get the name of the command.
*/
name(): string;
/**
* Set the name of the command from script filename, such as process.argv[1],
* or require.main.filename, or __filename.
*
* (Used internally and public although not documented in README.)
*
* @example
* ```ts
* program.nameFromFilename(require.main.filename);
* ```
*
* @returns `this` command for chaining
*/
nameFromFilename(filename: string): this;
/**
* Set the directory for searching for executable subcommands of this command.
*
* @example
* ```ts
* program.executableDir(__dirname);
* // or
* program.executableDir('subcommands');
* ```
*
* @returns `this` command for chaining
*/
executableDir(path: string): this;
/**
* Get the executable search directory.
*/
executableDir(): string;
/**
* Output help information for this command.
*
* Outputs built-in help, and custom text added using `.addHelpText()`.
*
*/
outputHelp(context?: HelpContext): void;
/** @deprecated since v7 */
outputHelp(cb?: (str: string) => string): void;
/**
* Return command help documentation.
*/
helpInformation(context?: HelpContext): string;
/**
* You can pass in flags and a description to override the help
* flags and help description for your command. Pass in false
* to disable the built-in help option.
*/
helpOption(flags?: string | boolean, description?: string): this;
/**
* Output help information and exit.
*
* Outputs built-in help, and custom text added using `.addHelpText()`.
*/
help(context?: HelpContext): never;
/** @deprecated since v7 */
help(cb?: (str: string) => string): never;
/**
* Add additional text to be displayed with the built-in help.
*
* Position is 'before' or 'after' to affect just this command,
* and 'beforeAll' or 'afterAll' to affect this command and all its subcommands.
*/
addHelpText(position: AddHelpTextPosition, text: string): this;
addHelpText(position: AddHelpTextPosition, text: (context: AddHelpTextContext) => string): this;
/**
* Add a listener (callback) for when events occur. (Implemented using EventEmitter.)
*/
on(event: string | symbol, listener: (...args: any[]) => void): this;
}
export interface CommandOptions {
hidden?: boolean;
isDefault?: boolean;
/** @deprecated since v7, replaced by hidden */
noHelp?: boolean;
}
export interface ExecutableCommandOptions extends CommandOptions {
executableFile?: string;
}
export interface ParseOptionsResult {
operands: string[];
unknown: string[];
}
export function createCommand(name?: string): Command;
export function createOption(flags: string, description?: string): Option;
export function createArgument(name: string, description?: string): Argument;
export const program: Command;
|