// 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> | |
/* eslint-disable @typescript-eslint/no-explicit-any */ | |
// This is a trick to encourage editor to suggest the known literals while still | |
// allowing any BaseType value. | |
// References: | |
// - https://github.com/microsoft/TypeScript/issues/29729 | |
// - https://github.com/sindresorhus/type-fest/blob/main/source/literal-union.d.ts | |
// - https://github.com/sindresorhus/type-fest/blob/main/source/primitive.d.ts | |
type LiteralUnion<LiteralType, BaseType extends string | number> = | |
| LiteralType | |
| (BaseType & Record<never, never>); | |
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(exitCode: number, code: string, message: string); | |
} | |
export class InvalidArgumentError extends CommanderError { | |
/** | |
* Constructs the InvalidArgumentError class | |
* @param message - explanation of why argument is invalid | |
*/ | |
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; | |
defaultValue?: any; | |
defaultValueDescription?: string; | |
argChoices?: string[]; | |
/** | |
* 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; | |
presetArg?: unknown; | |
envVar?: 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; | |
/** | |
* 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 an 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; | |
minWidthToWrap: number; | |
sortSubcommands: boolean; | |
sortOptions: boolean; | |
showGlobalOptions: boolean; | |
constructor(); | |
/* | |
* prepareContext is called by Commander after applying overrides from `Command.configureHelp()` | |
* and just before calling `formatHelp()`. | |
* | |
* Commander just uses the helpWidth and the others are provided for subclasses. | |
*/ | |
prepareContext(contextOptions: { | |
error?: boolean; | |
helpWidth?: number; | |
outputHasColors?: boolean; | |
}): void; | |
/** 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; | |
/** Return display width of string, ignoring ANSI escape sequences. Used in padding and wrapping calculations. */ | |
displayWidth(str: string): number; | |
/** Style the titles. Called with 'Usage:', 'Options:', etc. */ | |
styleTitle(title: string): string; | |
/** Usage: <str> */ | |
styleUsage(str: string): string; | |
/** Style for command name in usage string. */ | |
styleCommandText(str: string): string; | |
styleCommandDescription(str: string): string; | |
styleOptionDescription(str: string): string; | |
styleSubcommandDescription(str: string): string; | |
styleArgumentDescription(str: string): string; | |
/** Base style used by descriptions. */ | |
styleDescriptionText(str: string): string; | |
styleOptionTerm(str: string): string; | |
styleSubcommandTerm(str: string): string; | |
styleArgumentTerm(str: string): string; | |
/** Base style used in terms and usage for options. */ | |
styleOptionText(str: string): string; | |
/** Base style used in terms and usage for subcommands. */ | |
styleSubcommandText(str: string): string; | |
/** Base style used in terms and usage for arguments. */ | |
styleArgumentText(str: string): string; | |
/** Calculate the pad width from the maximum term length. */ | |
padWidth(cmd: Command, helper: Help): number; | |
/** | |
* Wrap a string at whitespace, preserving existing line breaks. | |
* Wrapping is skipped if the width is less than `minWidthToWrap`. | |
*/ | |
boxWrap(str: string, width: number): string; | |
/** Detect manually wrapped and indented strings by checking for line break followed by whitespace. */ | |
preformatted(str: string): boolean; | |
/** | |
* Format the "item", which consists of a term and description. Pad the term and wrap the description, indenting the following lines. | |
* | |
* So "TTT", 5, "DDD DDDD DD DDD" might be formatted for this.helpWidth=17 like so: | |
* TTT DDD DDDD | |
* DD DDD | |
*/ | |
formatItem( | |
term: string, | |
termWidth: number, | |
description: string, | |
helper: Help, | |
): 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; | |
outputError?(str: string, write: (str: string) => void): void; | |
getOutHelpWidth?(): number; | |
getErrHelpWidth?(): number; | |
getOutHasColors?(): boolean; | |
getErrHasColors?(): boolean; | |
stripColor?(str: string): string; | |
} | |
export type AddHelpTextPosition = 'beforeAll' | 'before' | 'after' | 'afterAll'; | |
export type HookEvent = 'preSubcommand' | 'preAction' | 'postAction'; | |
// The source is a string so author can define their own too. | |
export type OptionValueSource = | |
| LiteralUnion<'default' | 'config' | 'env' | 'cli' | 'implied', string> | |
| undefined; | |
export type OptionValues = Record<string, any>; | |
export class Command { | |
args: string[]; | |
processedArgs: any[]; | |
readonly commands: readonly Command[]; | |
readonly options: readonly Option[]; | |
readonly registeredArguments: readonly Argument[]; | |
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; | |
/** | |
* Get the program version. | |
*/ | |
version(): string | undefined; | |
/** | |
* 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; | |
/** | |
* Customise or override default help command. By default a help command is automatically added if your command has subcommands. | |
* | |
* @example | |
* ```ts | |
* program.helpCommand('help [cmd]'); | |
* program.helpCommand('help [cmd]', 'show help'); | |
* program.helpCommand(false); // suppress default help command | |
* program.helpCommand(true); // add help command even if no subcommands | |
* ``` | |
*/ | |
helpCommand(nameAndArgs: string, description?: string): this; | |
helpCommand(enable: boolean): this; | |
/** | |
* Add prepared custom help command. | |
*/ | |
addHelpCommand(cmd: Command): this; | |
/** @deprecated since v12, instead use helpCommand */ | |
addHelpCommand(nameAndArgs: string, description?: string): this; | |
/** @deprecated since v12, instead use helpCommand */ | |
addHelpCommand(enable?: boolean): 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: (this: this, ...args: any[]) => void | Promise<void>): this; | |
/** | |
* Define option with `flags`, `description`, and optional argument parsing function or `defaultValue` or both. | |
* | |
* The `flags` string contains the short and/or long flags, separated by comma, a pipe or space. A required | |
* option-argument is indicated by `<>` and an optional option-argument by `[]`. | |
* | |
* See the README for more details, and see also addOption() and requiredOption(). | |
* | |
* @example | |
* | |
* ```js | |
* program | |
* .option('-p, --pepper', 'add pepper') | |
* .option('--pt, --pizza-type <TYPE>', 'type of pizza') // required option-argument | |
* .option('-c, --cheese [CHEESE]', 'add extra cheese', 'mozzarella') // optional option-argument with default | |
* .option('-t, --tip <VALUE>', 'add tip to purchase cost', parseFloat) // custom parse function | |
* ``` | |
* | |
* @returns `this` command for chaining | |
*/ | |
option( | |
flags: string, | |
description?: string, | |
defaultValue?: string | boolean | string[], | |
): this; | |
option<T>( | |
flags: string, | |
description: string, | |
parseArg: (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, | |
parseArg: (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. | |
* | |
* Use parseAsync instead of parse if any of your action handlers are async. | |
* | |
* Call with no parameters to parse `process.argv`. Detects Electron and special node options like `node --eval`. Easy mode! | |
* | |
* Or call with an array of strings to parse, and optionally where the user arguments start by specifying where the arguments are `from`: | |
* - `'node'`: default, `argv[0]` is the application and `argv[1]` is the script being run, with user arguments after that | |
* - `'electron'`: `argv[0]` is the application and `argv[1]` varies depending on whether the electron application is packaged | |
* - `'user'`: just user arguments | |
* | |
* @example | |
* ``` | |
* program.parse(); // parse process.argv and auto-detect electron and special node flags | |
* program.parse(process.argv); // assume argv[0] is app and argv[1] is script | |
* program.parse(my-args, { from: 'user' }); // just user supplied arguments, nothing special about argv[0] | |
* ``` | |
* | |
* @returns `this` command for chaining | |
*/ | |
parse(argv?: readonly string[], parseOptions?: ParseOptions): this; | |
/** | |
* Parse `argv`, setting options and invoking commands when defined. | |
* | |
* Call with no parameters to parse `process.argv`. Detects Electron and special node options like `node --eval`. Easy mode! | |
* | |
* Or call with an array of strings to parse, and optionally where the user arguments start by specifying where the arguments are `from`: | |
* - `'node'`: default, `argv[0]` is the application and `argv[1]` is the script being run, with user arguments after that | |
* - `'electron'`: `argv[0]` is the application and `argv[1]` varies depending on whether the electron application is packaged | |
* - `'user'`: just user arguments | |
* | |
* @example | |
* ``` | |
* await program.parseAsync(); // parse process.argv and auto-detect electron and special node flags | |
* await program.parseAsync(process.argv); // assume argv[0] is app and argv[1] is script | |
* await program.parseAsync(my-args, { from: 'user' }); // just user supplied arguments, nothing special about argv[0] | |
* ``` | |
* | |
* @returns Promise | |
*/ | |
parseAsync( | |
argv?: readonly string[], | |
parseOptions?: ParseOptions, | |
): Promise<this>; | |
/** | |
* Called the first time parse is called to save state and allow a restore before subsequent calls to parse. | |
* Not usually called directly, but available for subclasses to save their custom state. | |
* | |
* This is called in a lazy way. Only commands used in parsing chain will have state saved. | |
*/ | |
saveStateBeforeParse(): void; | |
/** | |
* Restore state before parse for calls after the first. | |
* Not usually called directly, but available for subclasses to save their custom state. | |
* | |
* This is called in a lazy way. Only commands used in parsing chain will have state restored. | |
*/ | |
restoreStateBeforeParse(): void; | |
/** | |
* Parse options from `argv` removing known options, | |
* and return argv split into operands and unknown arguments. | |
* | |
* Side effects: modifies command by storing options. Does not reset state if called again. | |
* | |
* 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 | null; | |
/** | |
* 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; | |
/** | |
* Supply your own option to use for the built-in help option. | |
* This is an alternative to using helpOption() to customise the flags and description etc. | |
*/ | |
addHelpOption(option: Option): 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; | |