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774 lines
24 KiB
774 lines
24 KiB
// 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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// Using method rather than property for method-signature-style, to document method overloads separately. Allow either. |
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/* eslint-disable @typescript-eslint/method-signature-style */ |
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/* eslint-disable @typescript-eslint/no-explicit-any */ |
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export class 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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* Constructs the CommanderError class |
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* @param exitCode - suggested exit code which could be used with process.exit |
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* @param code - an id string representing the error |
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* @param message - human-readable description of the error |
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* @constructor |
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*/ |
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constructor(exitCode: number, code: string, message: string); |
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} |
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export class InvalidArgumentError extends CommanderError { |
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/** |
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* Constructs the InvalidArgumentError class |
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* @param message - explanation of why argument is invalid |
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* @constructor |
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*/ |
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constructor(message: string); |
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} |
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export { InvalidArgumentError as InvalidOptionArgumentError }; // deprecated old name |
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export class Argument { |
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description: string; |
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required: boolean; |
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variadic: boolean; |
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/** |
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* Initialize a new command argument with the given name and description. |
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* The default is that the argument is required, and you can explicitly |
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* indicate this with <> around the name. Put [] around the name for an optional argument. |
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*/ |
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constructor(arg: string, description?: string); |
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/** |
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* Return argument name. |
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*/ |
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name(): string; |
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/** |
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* Set the default value, and optionally supply the description to be displayed in the help. |
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*/ |
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default(value: unknown, description?: string): this; |
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/** |
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* Set the custom handler for processing CLI command arguments into argument values. |
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*/ |
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argParser<T>(fn: (value: string, previous: T) => T): this; |
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/** |
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* Only allow argument value to be one of choices. |
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*/ |
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choices(values: string[]): this; |
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/** |
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* Make option-argument required. |
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*/ |
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argRequired(): this; |
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/** |
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* Make option-argument optional. |
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*/ |
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argOptional(): this; |
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} |
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export class Option { |
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flags: string; |
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description: 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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variadic: boolean; |
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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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optionFlags: string; |
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short?: string; |
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long?: string; |
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negate: boolean; |
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defaultValue?: any; |
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defaultValueDescription?: string; |
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parseArg?: <T>(value: string, previous: T) => T; |
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hidden: boolean; |
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argChoices?: string[]; |
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constructor(flags: string, description?: string); |
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/** |
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* Set the default value, and optionally supply the description to be displayed in the help. |
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*/ |
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default(value: unknown, description?: string): this; |
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/** |
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* Set environment variable to check for option value. |
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* Priority order of option values is default < env < cli |
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*/ |
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env(name: string): this; |
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/** |
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* Calculate the full description, including defaultValue etc. |
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*/ |
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fullDescription(): string; |
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/** |
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* Set the custom handler for processing CLI option arguments into option values. |
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*/ |
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argParser<T>(fn: (value: string, previous: T) => T): this; |
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/** |
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* Whether the option is mandatory and must have a value after parsing. |
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*/ |
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makeOptionMandatory(mandatory?: boolean): this; |
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/** |
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* Hide option in help. |
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*/ |
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hideHelp(hide?: boolean): this; |
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/** |
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* Only allow option value to be one of choices. |
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*/ |
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choices(values: string[]): this; |
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/** |
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* Return option name. |
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*/ |
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name(): string; |
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/** |
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* Return option name, in a camelcase format that can be used |
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* as a object attribute key. |
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*/ |
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attributeName(): string; |
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} |
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export class Help { |
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/** output helpWidth, long lines are wrapped to fit */ |
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helpWidth?: number; |
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sortSubcommands: boolean; |
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sortOptions: boolean; |
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constructor(); |
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/** Get the command term to show in the list of subcommands. */ |
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subcommandTerm(cmd: Command): string; |
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/** Get the command description to show in the list of subcommands. */ |
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subcommandDescription(cmd: Command): string; |
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/** Get the option term to show in the list of options. */ |
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optionTerm(option: Option): string; |
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/** Get the option description to show in the list of options. */ |
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optionDescription(option: Option): string; |
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/** Get the argument term to show in the list of arguments. */ |
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argumentTerm(argument: Argument): string; |
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/** Get the argument description to show in the list of arguments. */ |
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argumentDescription(argument: Argument): string; |
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/** Get the command usage to be displayed at the top of the built-in help. */ |
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commandUsage(cmd: Command): string; |
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/** Get the description for the command. */ |
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commandDescription(cmd: Command): string; |
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/** Get an array of the visible subcommands. Includes a placeholder for the implicit help command, if there is one. */ |
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visibleCommands(cmd: Command): Command[]; |
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/** Get an array of the visible options. Includes a placeholder for the implicit help option, if there is one. */ |
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visibleOptions(cmd: Command): Option[]; |
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/** Get an array of the arguments which have descriptions. */ |
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visibleArguments(cmd: Command): Argument[]; |
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/** Get the longest command term length. */ |
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longestSubcommandTermLength(cmd: Command, helper: Help): number; |
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/** Get the longest option term length. */ |
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longestOptionTermLength(cmd: Command, helper: Help): number; |
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/** Get the longest argument term length. */ |
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longestArgumentTermLength(cmd: Command, helper: Help): number; |
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/** Calculate the pad width from the maximum term length. */ |
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padWidth(cmd: Command, helper: Help): number; |
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/** |
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* Wrap the given string to width characters per line, with lines after the first indented. |
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* Do not wrap if insufficient room for wrapping (minColumnWidth), or string is manually formatted. |
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*/ |
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wrap(str: string, width: number, indent: number, minColumnWidth?: number): string; |
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/** Generate the built-in help text. */ |
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formatHelp(cmd: Command, helper: Help): string; |
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} |
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export type HelpConfiguration = Partial<Help>; |
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export interface ParseOptions { |
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from: 'node' | 'electron' | 'user'; |
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} |
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export interface HelpContext { // optional parameter for .help() and .outputHelp() |
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error: boolean; |
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} |
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export interface AddHelpTextContext { // passed to text function used with .addHelpText() |
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error: boolean; |
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command: Command; |
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} |
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export interface OutputConfiguration { |
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writeOut?(str: string): void; |
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writeErr?(str: string): void; |
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getOutHelpWidth?(): number; |
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getErrHelpWidth?(): number; |
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outputError?(str: string, write: (str: string) => void): void; |
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} |
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export type AddHelpTextPosition = 'beforeAll' | 'before' | 'after' | 'afterAll'; |
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export type HookEvent = 'preAction' | 'postAction'; |
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export type OptionValueSource = 'default' | 'env' | 'config' | 'cli'; |
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export interface OptionValues { |
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[key: string]: any; |
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} |
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export class Command { |
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args: string[]; |
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processedArgs: any[]; |
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commands: Command[]; |
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parent: Command | null; |
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constructor(name?: string); |
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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 service, 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?: 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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* Factory routine to create a new unattached argument. |
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* |
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* See .argument() for creating an attached argument, which uses this routine to |
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* create the argument. You can override createArgument to return a custom argument. |
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*/ |
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createArgument(name: string, description?: string): Argument; |
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/** |
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* Define argument syntax for command. |
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* |
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* The default is that the argument is required, and you can explicitly |
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* indicate this with <> around the name. Put [] around the name for an optional argument. |
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* |
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* @example |
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* ``` |
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* program.argument('<input-file>'); |
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* program.argument('[output-file]'); |
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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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argument<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this; |
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argument(name: string, description?: string, defaultValue?: unknown): this; |
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/** |
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* Define argument syntax for command, adding a prepared argument. |
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* |
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* @returns `this` command for chaining |
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*/ |
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addArgument(arg: Argument): this; |
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/** |
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* Define argument syntax for command, adding multiple at once (without descriptions). |
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* |
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* See also .argument(). |
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* |
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* @example |
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* ``` |
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* program.arguments('<cmd> [env]'); |
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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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arguments(names: string): this; |
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/** |
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* Override default decision whether to add implicit help command. |
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* |
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* @example |
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* ``` |
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* addHelpCommand() // force on |
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* addHelpCommand(false); // force off |
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* addHelpCommand('help [cmd]', 'display help for [cmd]'); // force on with custom details |
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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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addHelpCommand(enableOrNameAndArgs?: string | boolean, description?: string): this; |
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/** |
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* Add hook for life cycle event. |
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*/ |
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hook(event: HookEvent, listener: (thisCommand: Command, actionCommand: Command) => void | Promise<void>): 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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* You can customise the help with a subclass of Help by overriding createHelp, |
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* or by overriding Help properties using configureHelp(). |
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*/ |
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createHelp(): Help; |
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/** |
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* You can customise the help by overriding Help properties using configureHelp(), |
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* or with a subclass of Help by overriding createHelp(). |
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*/ |
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configureHelp(configuration: HelpConfiguration): this; |
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/** Get configuration */ |
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configureHelp(): HelpConfiguration; |
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/** |
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* The default output goes to stdout and stderr. You can customise this for special |
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* applications. You can also customise the display of errors by overriding outputError. |
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* |
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* The configuration properties are all functions: |
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* ``` |
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* // functions to change where being written, stdout and stderr |
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* writeOut(str) |
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* writeErr(str) |
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* // matching functions to specify width for wrapping help |
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* getOutHelpWidth() |
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* getErrHelpWidth() |
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* // functions based on what is being written out |
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* outputError(str, write) // used for displaying errors, and not used for displaying help |
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* ``` |
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*/ |
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configureOutput(configuration: OutputConfiguration): this; |
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/** Get configuration */ |
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configureOutput(): OutputConfiguration; |
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/** |
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* Copy settings that are useful to have in common across root command and subcommands. |
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* |
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* (Used internally when adding a command using `.command()` so subcommands inherit parent settings.) |
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*/ |
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copyInheritedSettings(sourceCommand: Command): this; |
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/** |
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* Display the help or a custom message after an error occurs. |
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*/ |
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showHelpAfterError(displayHelp?: boolean | string): this; |
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/** |
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* Display suggestion of similar commands for unknown commands, or options for unknown options. |
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*/ |
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showSuggestionAfterError(displaySuggestion?: boolean): 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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* ``` |
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* program |
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* .command('serve') |
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* .description('start service') |
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* .action(function() { |
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* // do work here |
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* }); |
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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 contains the short and/or 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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* ``` |
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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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* |
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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<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this; |
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/** @deprecated since v7, instead use choices or a custom function */ |
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option(flags: string, description: string, regexp: RegExp, defaultValue?: string | boolean): 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 contains the short and/or 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<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this; |
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/** @deprecated since v7, instead use choices or a custom function */ |
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requiredOption(flags: string, description: string, regexp: RegExp, defaultValue?: string | boolean): this; |
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/** |
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* Factory routine to create a new unattached option. |
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* |
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* See .option() for creating an attached option, which uses this routine to |
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* create the option. You can override createOption to return a custom option. |
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*/ |
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createOption(flags: string, description?: string): Option; |
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/** |
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* Add a prepared Option. |
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* |
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* See .option() and .requiredOption() for creating and attaching an option in a single call. |
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*/ |
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addOption(option: Option): 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<T extends OptionValues>(): this & T; |
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storeOptionsAsProperties<T extends OptionValues>(storeAsProperties: true): this & T; |
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storeOptionsAsProperties(storeAsProperties?: boolean): this; |
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/** |
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* Retrieve option value. |
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*/ |
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getOptionValue(key: string): any; |
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/** |
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* Store option value. |
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*/ |
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setOptionValue(key: string, value: unknown): this; |
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/** |
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* Store option value and where the value came from. |
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*/ |
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setOptionValueWithSource(key: string, value: unknown, source: OptionValueSource): this; |
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/** |
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* Retrieve option value source. |
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*/ |
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getOptionValueSource(key: string): OptionValueSource; |
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/** |
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* Alter parsing of short flags with optional values. |
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* |
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* @example |
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* ``` |
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* // for `.option('-f,--flag [value]'): |
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* .combineFlagAndOptionalValue(true) // `-f80` is treated like `--flag=80`, this is the default behaviour |
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* .combineFlagAndOptionalValue(false) // `-fb` is treated like `-f -b` |
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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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combineFlagAndOptionalValue(combine?: 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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* @returns `this` command for chaining |
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*/ |
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allowUnknownOption(allowUnknown?: boolean): this; |
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/** |
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* Allow excess command-arguments on the command line. Pass false to make excess arguments an error. |
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* |
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* @returns `this` command for chaining |
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*/ |
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allowExcessArguments(allowExcess?: boolean): this; |
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/** |
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* Enable positional options. Positional means global options are specified before subcommands which lets |
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* subcommands reuse the same option names, and also enables subcommands to turn on passThroughOptions. |
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* |
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* The default behaviour is non-positional and global options may appear anywhere on the command line. |
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* |
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* @returns `this` command for chaining |
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*/ |
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enablePositionalOptions(positional?: boolean): this; |
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/** |
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* Pass through options that come after command-arguments rather than treat them as command-options, |
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* so actual command-options come before command-arguments. Turning this on for a subcommand requires |
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* positional options to have been enabled on the program (parent commands). |
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* |
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* The default behaviour is non-positional and options may appear before or after command-arguments. |
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* |
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* @returns `this` command for chaining |
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*/ |
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passThroughOptions(passThrough?: 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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* @example |
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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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* |
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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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* @example |
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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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* |
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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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* 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[]): 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<T extends OptionValues>(): T; |
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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): this; |
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/** @deprecated since v8, instead use .argument to add command argument with description */ |
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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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* Outputs built-in help, and custom text added using `.addHelpText()`. |
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* |
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*/ |
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outputHelp(context?: HelpContext): void; |
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/** @deprecated since v7 */ |
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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(context?: HelpContext): 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. Pass in false |
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* to disable the built-in help option. |
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*/ |
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helpOption(flags?: string | boolean, description?: string): this; |
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/** |
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* Output help information and exit. |
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* |
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* Outputs built-in help, and custom text added using `.addHelpText()`. |
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*/ |
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help(context?: HelpContext): never; |
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/** @deprecated since v7 */ |
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help(cb?: (str: string) => string): never; |
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/** |
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* Add additional text to be displayed with the built-in help. |
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* |
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* Position is 'before' or 'after' to affect just this command, |
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* and 'beforeAll' or 'afterAll' to affect this command and all its subcommands. |
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*/ |
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addHelpText(position: AddHelpTextPosition, text: string): this; |
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addHelpText(position: AddHelpTextPosition, text: (context: AddHelpTextContext) => string): this; |
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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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on(event: string | symbol, listener: (...args: any[]) => void): this; |
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} |
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export interface CommandOptions { |
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hidden?: boolean; |
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isDefault?: boolean; |
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/** @deprecated since v7, replaced by hidden */ |
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noHelp?: boolean; |
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} |
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export interface ExecutableCommandOptions extends CommandOptions { |
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executableFile?: string; |
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} |
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export interface ParseOptionsResult { |
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operands: string[]; |
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unknown: string[]; |
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} |
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export function createCommand(name?: string): Command; |
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export function createOption(flags: string, description?: string): Option; |
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export function createArgument(name: string, description?: string): Argument; |
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export const program: Command;
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