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Zakary Timson
2024-02-07 01:33:07 -05:00
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(The MIT License)
Copyright (c) 2011 TJ Holowaychuk <tj@vision-media.ca>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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import commander from './index.js';
// wrapper to provide named exports for ESM.
export const {
program,
createCommand,
createArgument,
createOption,
CommanderError,
InvalidArgumentError,
InvalidOptionArgumentError, // deprecated old name
Command,
Argument,
Option,
Help
} = commander;

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const { Argument } = require('./lib/argument.js');
const { Command } = require('./lib/command.js');
const { CommanderError, InvalidArgumentError } = require('./lib/error.js');
const { Help } = require('./lib/help.js');
const { Option } = require('./lib/option.js');
// @ts-check
/**
* Expose the root command.
*/
exports = module.exports = new Command();
exports.program = exports; // More explicit access to global command.
// Implicit export of createArgument, createCommand, and createOption.
/**
* Expose classes
*/
exports.Argument = Argument;
exports.Command = Command;
exports.CommanderError = CommanderError;
exports.Help = Help;
exports.InvalidArgumentError = InvalidArgumentError;
exports.InvalidOptionArgumentError = InvalidArgumentError; // Deprecated
exports.Option = Option;

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const { InvalidArgumentError } = require('./error.js');
// @ts-check
class Argument {
/**
* 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.
*
* @param {string} name
* @param {string} [description]
*/
constructor(name, description) {
this.description = description || '';
this.variadic = false;
this.parseArg = undefined;
this.defaultValue = undefined;
this.defaultValueDescription = undefined;
this.argChoices = undefined;
switch (name[0]) {
case '<': // e.g. <required>
this.required = true;
this._name = name.slice(1, -1);
break;
case '[': // e.g. [optional]
this.required = false;
this._name = name.slice(1, -1);
break;
default:
this.required = true;
this._name = name;
break;
}
if (this._name.length > 3 && this._name.slice(-3) === '...') {
this.variadic = true;
this._name = this._name.slice(0, -3);
}
}
/**
* Return argument name.
*
* @return {string}
*/
name() {
return this._name;
}
/**
* @api private
*/
_concatValue(value, previous) {
if (previous === this.defaultValue || !Array.isArray(previous)) {
return [value];
}
return previous.concat(value);
}
/**
* Set the default value, and optionally supply the description to be displayed in the help.
*
* @param {any} value
* @param {string} [description]
* @return {Argument}
*/
default(value, description) {
this.defaultValue = value;
this.defaultValueDescription = description;
return this;
}
/**
* Set the custom handler for processing CLI command arguments into argument values.
*
* @param {Function} [fn]
* @return {Argument}
*/
argParser(fn) {
this.parseArg = fn;
return this;
}
/**
* Only allow argument value to be one of choices.
*
* @param {string[]} values
* @return {Argument}
*/
choices(values) {
this.argChoices = values.slice();
this.parseArg = (arg, previous) => {
if (!this.argChoices.includes(arg)) {
throw new InvalidArgumentError(`Allowed choices are ${this.argChoices.join(', ')}.`);
}
if (this.variadic) {
return this._concatValue(arg, previous);
}
return arg;
};
return this;
}
/**
* Make argument required.
*/
argRequired() {
this.required = true;
return this;
}
/**
* Make argument optional.
*/
argOptional() {
this.required = false;
return this;
}
}
/**
* Takes an argument and returns its human readable equivalent for help usage.
*
* @param {Argument} arg
* @return {string}
* @api private
*/
function humanReadableArgName(arg) {
const nameOutput = arg.name() + (arg.variadic === true ? '...' : '');
return arg.required
? '<' + nameOutput + '>'
: '[' + nameOutput + ']';
}
exports.Argument = Argument;
exports.humanReadableArgName = humanReadableArgName;

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// @ts-check
/**
* CommanderError class
* @class
*/
class CommanderError extends Error {
/**
* Constructs the CommanderError class
* @param {number} exitCode suggested exit code which could be used with process.exit
* @param {string} code an id string representing the error
* @param {string} message human-readable description of the error
* @constructor
*/
constructor(exitCode, code, message) {
super(message);
// properly capture stack trace in Node.js
Error.captureStackTrace(this, this.constructor);
this.name = this.constructor.name;
this.code = code;
this.exitCode = exitCode;
this.nestedError = undefined;
}
}
/**
* InvalidArgumentError class
* @class
*/
class InvalidArgumentError extends CommanderError {
/**
* Constructs the InvalidArgumentError class
* @param {string} [message] explanation of why argument is invalid
* @constructor
*/
constructor(message) {
super(1, 'commander.invalidArgument', message);
// properly capture stack trace in Node.js
Error.captureStackTrace(this, this.constructor);
this.name = this.constructor.name;
}
}
exports.CommanderError = CommanderError;
exports.InvalidArgumentError = InvalidArgumentError;

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const { humanReadableArgName } = require('./argument.js');
/**
* TypeScript import types for JSDoc, used by Visual Studio Code IntelliSense and `npm run typescript-checkJS`
* https://www.typescriptlang.org/docs/handbook/jsdoc-supported-types.html#import-types
* @typedef { import("./argument.js").Argument } Argument
* @typedef { import("./command.js").Command } Command
* @typedef { import("./option.js").Option } Option
*/
// @ts-check
// Although this is a class, methods are static in style to allow override using subclass or just functions.
class Help {
constructor() {
this.helpWidth = undefined;
this.sortSubcommands = false;
this.sortOptions = false;
this.showGlobalOptions = false;
}
/**
* Get an array of the visible subcommands. Includes a placeholder for the implicit help command, if there is one.
*
* @param {Command} cmd
* @returns {Command[]}
*/
visibleCommands(cmd) {
const visibleCommands = cmd.commands.filter(cmd => !cmd._hidden);
if (cmd._hasImplicitHelpCommand()) {
// Create a command matching the implicit help command.
const [, helpName, helpArgs] = cmd._helpCommandnameAndArgs.match(/([^ ]+) *(.*)/);
const helpCommand = cmd.createCommand(helpName)
.helpOption(false);
helpCommand.description(cmd._helpCommandDescription);
if (helpArgs) helpCommand.arguments(helpArgs);
visibleCommands.push(helpCommand);
}
if (this.sortSubcommands) {
visibleCommands.sort((a, b) => {
// @ts-ignore: overloaded return type
return a.name().localeCompare(b.name());
});
}
return visibleCommands;
}
/**
* Compare options for sort.
*
* @param {Option} a
* @param {Option} b
* @returns number
*/
compareOptions(a, b) {
const getSortKey = (option) => {
// WYSIWYG for order displayed in help. Short used for comparison if present. No special handling for negated.
return option.short ? option.short.replace(/^-/, '') : option.long.replace(/^--/, '');
};
return getSortKey(a).localeCompare(getSortKey(b));
}
/**
* Get an array of the visible options. Includes a placeholder for the implicit help option, if there is one.
*
* @param {Command} cmd
* @returns {Option[]}
*/
visibleOptions(cmd) {
const visibleOptions = cmd.options.filter((option) => !option.hidden);
// Implicit help
const showShortHelpFlag = cmd._hasHelpOption && cmd._helpShortFlag && !cmd._findOption(cmd._helpShortFlag);
const showLongHelpFlag = cmd._hasHelpOption && !cmd._findOption(cmd._helpLongFlag);
if (showShortHelpFlag || showLongHelpFlag) {
let helpOption;
if (!showShortHelpFlag) {
helpOption = cmd.createOption(cmd._helpLongFlag, cmd._helpDescription);
} else if (!showLongHelpFlag) {
helpOption = cmd.createOption(cmd._helpShortFlag, cmd._helpDescription);
} else {
helpOption = cmd.createOption(cmd._helpFlags, cmd._helpDescription);
}
visibleOptions.push(helpOption);
}
if (this.sortOptions) {
visibleOptions.sort(this.compareOptions);
}
return visibleOptions;
}
/**
* Get an array of the visible global options. (Not including help.)
*
* @param {Command} cmd
* @returns {Option[]}
*/
visibleGlobalOptions(cmd) {
if (!this.showGlobalOptions) return [];
const globalOptions = [];
for (let parentCmd = cmd.parent; parentCmd; parentCmd = parentCmd.parent) {
const visibleOptions = parentCmd.options.filter((option) => !option.hidden);
globalOptions.push(...visibleOptions);
}
if (this.sortOptions) {
globalOptions.sort(this.compareOptions);
}
return globalOptions;
}
/**
* Get an array of the arguments if any have a description.
*
* @param {Command} cmd
* @returns {Argument[]}
*/
visibleArguments(cmd) {
// Side effect! Apply the legacy descriptions before the arguments are displayed.
if (cmd._argsDescription) {
cmd._args.forEach(argument => {
argument.description = argument.description || cmd._argsDescription[argument.name()] || '';
});
}
// If there are any arguments with a description then return all the arguments.
if (cmd._args.find(argument => argument.description)) {
return cmd._args;
}
return [];
}
/**
* Get the command term to show in the list of subcommands.
*
* @param {Command} cmd
* @returns {string}
*/
subcommandTerm(cmd) {
// Legacy. Ignores custom usage string, and nested commands.
const args = cmd._args.map(arg => humanReadableArgName(arg)).join(' ');
return cmd._name +
(cmd._aliases[0] ? '|' + cmd._aliases[0] : '') +
(cmd.options.length ? ' [options]' : '') + // simplistic check for non-help option
(args ? ' ' + args : '');
}
/**
* Get the option term to show in the list of options.
*
* @param {Option} option
* @returns {string}
*/
optionTerm(option) {
return option.flags;
}
/**
* Get the argument term to show in the list of arguments.
*
* @param {Argument} argument
* @returns {string}
*/
argumentTerm(argument) {
return argument.name();
}
/**
* Get the longest command term length.
*
* @param {Command} cmd
* @param {Help} helper
* @returns {number}
*/
longestSubcommandTermLength(cmd, helper) {
return helper.visibleCommands(cmd).reduce((max, command) => {
return Math.max(max, helper.subcommandTerm(command).length);
}, 0);
}
/**
* Get the longest option term length.
*
* @param {Command} cmd
* @param {Help} helper
* @returns {number}
*/
longestOptionTermLength(cmd, helper) {
return helper.visibleOptions(cmd).reduce((max, option) => {
return Math.max(max, helper.optionTerm(option).length);
}, 0);
}
/**
* Get the longest global option term length.
*
* @param {Command} cmd
* @param {Help} helper
* @returns {number}
*/
longestGlobalOptionTermLength(cmd, helper) {
return helper.visibleGlobalOptions(cmd).reduce((max, option) => {
return Math.max(max, helper.optionTerm(option).length);
}, 0);
}
/**
* Get the longest argument term length.
*
* @param {Command} cmd
* @param {Help} helper
* @returns {number}
*/
longestArgumentTermLength(cmd, helper) {
return helper.visibleArguments(cmd).reduce((max, argument) => {
return Math.max(max, helper.argumentTerm(argument).length);
}, 0);
}
/**
* Get the command usage to be displayed at the top of the built-in help.
*
* @param {Command} cmd
* @returns {string}
*/
commandUsage(cmd) {
// Usage
let cmdName = cmd._name;
if (cmd._aliases[0]) {
cmdName = cmdName + '|' + cmd._aliases[0];
}
let parentCmdNames = '';
for (let parentCmd = cmd.parent; parentCmd; parentCmd = parentCmd.parent) {
parentCmdNames = parentCmd.name() + ' ' + parentCmdNames;
}
return parentCmdNames + cmdName + ' ' + cmd.usage();
}
/**
* Get the description for the command.
*
* @param {Command} cmd
* @returns {string}
*/
commandDescription(cmd) {
// @ts-ignore: overloaded return type
return cmd.description();
}
/**
* Get the subcommand summary to show in the list of subcommands.
* (Fallback to description for backwards compatibility.)
*
* @param {Command} cmd
* @returns {string}
*/
subcommandDescription(cmd) {
// @ts-ignore: overloaded return type
return cmd.summary() || cmd.description();
}
/**
* Get the option description to show in the list of options.
*
* @param {Option} option
* @return {string}
*/
optionDescription(option) {
const extraInfo = [];
if (option.argChoices) {
extraInfo.push(
// use stringify to match the display of the default value
`choices: ${option.argChoices.map((choice) => JSON.stringify(choice)).join(', ')}`);
}
if (option.defaultValue !== undefined) {
// default for boolean and negated more for programmer than end user,
// but show true/false for boolean option as may be for hand-rolled env or config processing.
const showDefault = option.required || option.optional ||
(option.isBoolean() && typeof option.defaultValue === 'boolean');
if (showDefault) {
extraInfo.push(`default: ${option.defaultValueDescription || JSON.stringify(option.defaultValue)}`);
}
}
// preset for boolean and negated are more for programmer than end user
if (option.presetArg !== undefined && option.optional) {
extraInfo.push(`preset: ${JSON.stringify(option.presetArg)}`);
}
if (option.envVar !== undefined) {
extraInfo.push(`env: ${option.envVar}`);
}
if (extraInfo.length > 0) {
return `${option.description} (${extraInfo.join(', ')})`;
}
return option.description;
}
/**
* Get the argument description to show in the list of arguments.
*
* @param {Argument} argument
* @return {string}
*/
argumentDescription(argument) {
const extraInfo = [];
if (argument.argChoices) {
extraInfo.push(
// use stringify to match the display of the default value
`choices: ${argument.argChoices.map((choice) => JSON.stringify(choice)).join(', ')}`);
}
if (argument.defaultValue !== undefined) {
extraInfo.push(`default: ${argument.defaultValueDescription || JSON.stringify(argument.defaultValue)}`);
}
if (extraInfo.length > 0) {
const extraDescripton = `(${extraInfo.join(', ')})`;
if (argument.description) {
return `${argument.description} ${extraDescripton}`;
}
return extraDescripton;
}
return argument.description;
}
/**
* Generate the built-in help text.
*
* @param {Command} cmd
* @param {Help} helper
* @returns {string}
*/
formatHelp(cmd, helper) {
const termWidth = helper.padWidth(cmd, helper);
const helpWidth = helper.helpWidth || 80;
const itemIndentWidth = 2;
const itemSeparatorWidth = 2; // between term and description
function formatItem(term, description) {
if (description) {
const fullText = `${term.padEnd(termWidth + itemSeparatorWidth)}${description}`;
return helper.wrap(fullText, helpWidth - itemIndentWidth, termWidth + itemSeparatorWidth);
}
return term;
}
function formatList(textArray) {
return textArray.join('\n').replace(/^/gm, ' '.repeat(itemIndentWidth));
}
// Usage
let output = [`Usage: ${helper.commandUsage(cmd)}`, ''];
// Description
const commandDescription = helper.commandDescription(cmd);
if (commandDescription.length > 0) {
output = output.concat([commandDescription, '']);
}
// Arguments
const argumentList = helper.visibleArguments(cmd).map((argument) => {
return formatItem(helper.argumentTerm(argument), helper.argumentDescription(argument));
});
if (argumentList.length > 0) {
output = output.concat(['Arguments:', formatList(argumentList), '']);
}
// Options
const optionList = helper.visibleOptions(cmd).map((option) => {
return formatItem(helper.optionTerm(option), helper.optionDescription(option));
});
if (optionList.length > 0) {
output = output.concat(['Options:', formatList(optionList), '']);
}
if (this.showGlobalOptions) {
const globalOptionList = helper.visibleGlobalOptions(cmd).map((option) => {
return formatItem(helper.optionTerm(option), helper.optionDescription(option));
});
if (globalOptionList.length > 0) {
output = output.concat(['Global Options:', formatList(globalOptionList), '']);
}
}
// Commands
const commandList = helper.visibleCommands(cmd).map((cmd) => {
return formatItem(helper.subcommandTerm(cmd), helper.subcommandDescription(cmd));
});
if (commandList.length > 0) {
output = output.concat(['Commands:', formatList(commandList), '']);
}
return output.join('\n');
}
/**
* Calculate the pad width from the maximum term length.
*
* @param {Command} cmd
* @param {Help} helper
* @returns {number}
*/
padWidth(cmd, helper) {
return Math.max(
helper.longestOptionTermLength(cmd, helper),
helper.longestGlobalOptionTermLength(cmd, helper),
helper.longestSubcommandTermLength(cmd, helper),
helper.longestArgumentTermLength(cmd, helper)
);
}
/**
* Wrap the given string to width characters per line, with lines after the first indented.
* Do not wrap if insufficient room for wrapping (minColumnWidth), or string is manually formatted.
*
* @param {string} str
* @param {number} width
* @param {number} indent
* @param {number} [minColumnWidth=40]
* @return {string}
*
*/
wrap(str, width, indent, minColumnWidth = 40) {
// Detect manually wrapped and indented strings by searching for line breaks
// followed by multiple spaces/tabs.
if (str.match(/[\n]\s+/)) return str;
// Do not wrap if not enough room for a wrapped column of text (as could end up with a word per line).
const columnWidth = width - indent;
if (columnWidth < minColumnWidth) return str;
const leadingStr = str.slice(0, indent);
const columnText = str.slice(indent);
const indentString = ' '.repeat(indent);
const regex = new RegExp('.{1,' + (columnWidth - 1) + '}([\\s\u200B]|$)|[^\\s\u200B]+?([\\s\u200B]|$)', 'g');
const lines = columnText.match(regex) || [];
return leadingStr + lines.map((line, i) => {
if (line.slice(-1) === '\n') {
line = line.slice(0, line.length - 1);
}
return ((i > 0) ? indentString : '') + line.trimRight();
}).join('\n');
}
}
exports.Help = Help;

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const { InvalidArgumentError } = require('./error.js');
// @ts-check
class Option {
/**
* Initialize a new `Option` with the given `flags` and `description`.
*
* @param {string} flags
* @param {string} [description]
*/
constructor(flags, description) {
this.flags = flags;
this.description = description || '';
this.required = flags.includes('<'); // A value must be supplied when the option is specified.
this.optional = flags.includes('['); // A value is optional when the option is specified.
// variadic test ignores <value,...> et al which might be used to describe custom splitting of single argument
this.variadic = /\w\.\.\.[>\]]$/.test(flags); // The option can take multiple values.
this.mandatory = false; // The option must have a value after parsing, which usually means it must be specified on command line.
const optionFlags = splitOptionFlags(flags);
this.short = optionFlags.shortFlag;
this.long = optionFlags.longFlag;
this.negate = false;
if (this.long) {
this.negate = this.long.startsWith('--no-');
}
this.defaultValue = undefined;
this.defaultValueDescription = undefined;
this.presetArg = undefined;
this.envVar = undefined;
this.parseArg = undefined;
this.hidden = false;
this.argChoices = undefined;
this.conflictsWith = [];
this.implied = undefined;
}
/**
* Set the default value, and optionally supply the description to be displayed in the help.
*
* @param {any} value
* @param {string} [description]
* @return {Option}
*/
default(value, description) {
this.defaultValue = value;
this.defaultValueDescription = description;
return this;
}
/**
* Preset to use when option used without option-argument, especially optional but also boolean and negated.
* The custom processing (parseArg) is called.
*
* @example
* new Option('--color').default('GREYSCALE').preset('RGB');
* new Option('--donate [amount]').preset('20').argParser(parseFloat);
*
* @param {any} arg
* @return {Option}
*/
preset(arg) {
this.presetArg = arg;
return this;
}
/**
* Add option name(s) that conflict with this option.
* An error will be displayed if conflicting options are found during parsing.
*
* @example
* new Option('--rgb').conflicts('cmyk');
* new Option('--js').conflicts(['ts', 'jsx']);
*
* @param {string | string[]} names
* @return {Option}
*/
conflicts(names) {
this.conflictsWith = this.conflictsWith.concat(names);
return 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' }));
*
* @param {Object} impliedOptionValues
* @return {Option}
*/
implies(impliedOptionValues) {
this.implied = Object.assign(this.implied || {}, impliedOptionValues);
return this;
}
/**
* Set environment variable to check for option value.
*
* An environment variable 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'.
*
* @param {string} name
* @return {Option}
*/
env(name) {
this.envVar = name;
return this;
}
/**
* Set the custom handler for processing CLI option arguments into option values.
*
* @param {Function} [fn]
* @return {Option}
*/
argParser(fn) {
this.parseArg = fn;
return this;
}
/**
* Whether the option is mandatory and must have a value after parsing.
*
* @param {boolean} [mandatory=true]
* @return {Option}
*/
makeOptionMandatory(mandatory = true) {
this.mandatory = !!mandatory;
return this;
}
/**
* Hide option in help.
*
* @param {boolean} [hide=true]
* @return {Option}
*/
hideHelp(hide = true) {
this.hidden = !!hide;
return this;
}
/**
* @api private
*/
_concatValue(value, previous) {
if (previous === this.defaultValue || !Array.isArray(previous)) {
return [value];
}
return previous.concat(value);
}
/**
* Only allow option value to be one of choices.
*
* @param {string[]} values
* @return {Option}
*/
choices(values) {
this.argChoices = values.slice();
this.parseArg = (arg, previous) => {
if (!this.argChoices.includes(arg)) {
throw new InvalidArgumentError(`Allowed choices are ${this.argChoices.join(', ')}.`);
}
if (this.variadic) {
return this._concatValue(arg, previous);
}
return arg;
};
return this;
}
/**
* Return option name.
*
* @return {string}
*/
name() {
if (this.long) {
return this.long.replace(/^--/, '');
}
return this.short.replace(/^-/, '');
}
/**
* Return option name, in a camelcase format that can be used
* as a object attribute key.
*
* @return {string}
* @api private
*/
attributeName() {
return camelcase(this.name().replace(/^no-/, ''));
}
/**
* Check if `arg` matches the short or long flag.
*
* @param {string} arg
* @return {boolean}
* @api private
*/
is(arg) {
return this.short === arg || this.long === arg;
}
/**
* Return whether a boolean option.
*
* Options are one of boolean, negated, required argument, or optional argument.
*
* @return {boolean}
* @api private
*/
isBoolean() {
return !this.required && !this.optional && !this.negate;
}
}
/**
* This class is to make it easier to work with dual options, without changing the existing
* implementation. We support separate dual options for separate positive and negative options,
* like `--build` and `--no-build`, which share a single option value. This works nicely for some
* use cases, but is tricky for others where we want separate behaviours despite
* the single shared option value.
*/
class DualOptions {
/**
* @param {Option[]} options
*/
constructor(options) {
this.positiveOptions = new Map();
this.negativeOptions = new Map();
this.dualOptions = new Set();
options.forEach(option => {
if (option.negate) {
this.negativeOptions.set(option.attributeName(), option);
} else {
this.positiveOptions.set(option.attributeName(), option);
}
});
this.negativeOptions.forEach((value, key) => {
if (this.positiveOptions.has(key)) {
this.dualOptions.add(key);
}
});
}
/**
* Did the value come from the option, and not from possible matching dual option?
*
* @param {any} value
* @param {Option} option
* @returns {boolean}
*/
valueFromOption(value, option) {
const optionKey = option.attributeName();
if (!this.dualOptions.has(optionKey)) return true;
// Use the value to deduce if (probably) came from the option.
const preset = this.negativeOptions.get(optionKey).presetArg;
const negativeValue = (preset !== undefined) ? preset : false;
return option.negate === (negativeValue === value);
}
}
/**
* Convert string from kebab-case to camelCase.
*
* @param {string} str
* @return {string}
* @api private
*/
function camelcase(str) {
return str.split('-').reduce((str, word) => {
return str + word[0].toUpperCase() + word.slice(1);
});
}
/**
* Split the short and long flag out of something like '-m,--mixed <value>'
*
* @api private
*/
function splitOptionFlags(flags) {
let shortFlag;
let longFlag;
// Use original very loose parsing to maintain backwards compatibility for now,
// which allowed for example unintended `-sw, --short-word` [sic].
const flagParts = flags.split(/[ |,]+/);
if (flagParts.length > 1 && !/^[[<]/.test(flagParts[1])) shortFlag = flagParts.shift();
longFlag = flagParts.shift();
// Add support for lone short flag without significantly changing parsing!
if (!shortFlag && /^-[^-]$/.test(longFlag)) {
shortFlag = longFlag;
longFlag = undefined;
}
return { shortFlag, longFlag };
}
exports.Option = Option;
exports.splitOptionFlags = splitOptionFlags;
exports.DualOptions = DualOptions;

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node_modules/commander/lib/suggestSimilar.js generated vendored Normal file
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const maxDistance = 3;
function editDistance(a, b) {
// https://en.wikipedia.org/wiki/Damerau–Levenshtein_distance
// Calculating optimal string alignment distance, no substring is edited more than once.
// (Simple implementation.)
// Quick early exit, return worst case.
if (Math.abs(a.length - b.length) > maxDistance) return Math.max(a.length, b.length);
// distance between prefix substrings of a and b
const d = [];
// pure deletions turn a into empty string
for (let i = 0; i <= a.length; i++) {
d[i] = [i];
}
// pure insertions turn empty string into b
for (let j = 0; j <= b.length; j++) {
d[0][j] = j;
}
// fill matrix
for (let j = 1; j <= b.length; j++) {
for (let i = 1; i <= a.length; i++) {
let cost = 1;
if (a[i - 1] === b[j - 1]) {
cost = 0;
} else {
cost = 1;
}
d[i][j] = Math.min(
d[i - 1][j] + 1, // deletion
d[i][j - 1] + 1, // insertion
d[i - 1][j - 1] + cost // substitution
);
// transposition
if (i > 1 && j > 1 && a[i - 1] === b[j - 2] && a[i - 2] === b[j - 1]) {
d[i][j] = Math.min(d[i][j], d[i - 2][j - 2] + 1);
}
}
}
return d[a.length][b.length];
}
/**
* Find close matches, restricted to same number of edits.
*
* @param {string} word
* @param {string[]} candidates
* @returns {string}
*/
function suggestSimilar(word, candidates) {
if (!candidates || candidates.length === 0) return '';
// remove possible duplicates
candidates = Array.from(new Set(candidates));
const searchingOptions = word.startsWith('--');
if (searchingOptions) {
word = word.slice(2);
candidates = candidates.map(candidate => candidate.slice(2));
}
let similar = [];
let bestDistance = maxDistance;
const minSimilarity = 0.4;
candidates.forEach((candidate) => {
if (candidate.length <= 1) return; // no one character guesses
const distance = editDistance(word, candidate);
const length = Math.max(word.length, candidate.length);
const similarity = (length - distance) / length;
if (similarity > minSimilarity) {
if (distance < bestDistance) {
// better edit distance, throw away previous worse matches
bestDistance = distance;
similar = [candidate];
} else if (distance === bestDistance) {
similar.push(candidate);
}
}
});
similar.sort((a, b) => a.localeCompare(b));
if (searchingOptions) {
similar = similar.map(candidate => `--${candidate}`);
}
if (similar.length > 1) {
return `\n(Did you mean one of ${similar.join(', ')}?)`;
}
if (similar.length === 1) {
return `\n(Did you mean ${similar[0]}?)`;
}
return '';
}
exports.suggestSimilar = suggestSimilar;

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node_modules/commander/package-support.json generated vendored Normal file
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{
"versions": [
{
"version": "*",
"target": {
"node": "supported"
},
"response": {
"type": "time-permitting"
},
"backing": {
"npm-funding": true
}
}
]
}

80
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{
"name": "commander",
"version": "9.5.0",
"description": "the complete solution for node.js command-line programs",
"keywords": [
"commander",
"command",
"option",
"parser",
"cli",
"argument",
"args",
"argv"
],
"author": "TJ Holowaychuk <tj@vision-media.ca>",
"license": "MIT",
"repository": {
"type": "git",
"url": "https://github.com/tj/commander.js.git"
},
"scripts": {
"lint": "npm run lint:javascript && npm run lint:typescript",
"lint:javascript": "eslint index.js esm.mjs \"lib/*.js\" \"tests/**/*.js\"",
"lint:typescript": "eslint typings/*.ts tests/*.ts",
"test": "jest && npm run test-typings",
"test-esm": "node --experimental-modules ./tests/esm-imports-test.mjs",
"test-typings": "tsd",
"typescript-checkJS": "tsc --allowJS --checkJS index.js lib/*.js --noEmit",
"test-all": "npm run test && npm run lint && npm run typescript-checkJS && npm run test-esm"
},
"files": [
"index.js",
"lib/*.js",
"esm.mjs",
"typings/index.d.ts",
"package-support.json"
],
"type": "commonjs",
"main": "./index.js",
"exports": {
".": {
"types": "./typings/index.d.ts",
"require": "./index.js",
"import": "./esm.mjs"
},
"./esm.mjs": "./esm.mjs"
},
"devDependencies": {
"@types/jest": "^28.1.4",
"@types/node": "^16.11.15",
"@typescript-eslint/eslint-plugin": "^5.30.6",
"@typescript-eslint/parser": "^5.30.6",
"eslint": "^8.19.0",
"eslint-config-standard": "^17.0.0",
"eslint-config-standard-with-typescript": "^22.0.0",
"eslint-plugin-import": "^2.25.3",
"eslint-plugin-jest": "^26.5.3",
"eslint-plugin-n": "^15.2.4",
"eslint-plugin-promise": "^6.0.0",
"jest": "^28.1.2",
"ts-jest": "^28.0.5",
"tsd": "^0.22.0",
"typescript": "^4.7.4"
},
"types": "typings/index.d.ts",
"jest": {
"testEnvironment": "node",
"collectCoverage": true,
"transform": {
"^.+\\.tsx?$": "ts-jest"
},
"testPathIgnorePatterns": [
"/node_modules/"
]
},
"engines": {
"node": "^12.20.0 || >=14"
},
"support": true
}

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node_modules/commander/typings/index.d.ts generated vendored Normal file
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// Type definitions for commander
// Original definitions by: Alan Agius <https://github.com/alan-agius4>, Marcelo Dezem <https://github.com/mdezem>, vvakame <https://github.com/vvakame>, Jules Randolph <https://github.com/sveinburne>
// Using method rather than property for method-signature-style, to document method overloads separately. Allow either.
/* eslint-disable @typescript-eslint/method-signature-style */
/* eslint-disable @typescript-eslint/no-explicit-any */
export class CommanderError extends Error {
code: string;
exitCode: number;
message: string;
nestedError?: string;
/**
* Constructs the CommanderError class
* @param exitCode - suggested exit code which could be used with process.exit
* @param code - an id string representing the error
* @param message - human-readable description of the error
* @constructor
*/
constructor(exitCode: number, code: string, message: string);
}
export class InvalidArgumentError extends CommanderError {
/**
* Constructs the InvalidArgumentError class
* @param message - explanation of why argument is invalid
* @constructor
*/
constructor(message: string);
}
export { InvalidArgumentError as InvalidOptionArgumentError }; // deprecated old name
export interface ErrorOptions { // optional parameter for error()
/** an id string representing the error */
code?: string;
/** suggested exit code which could be used with process.exit */
exitCode?: number;
}
export class Argument {
description: string;
required: boolean;
variadic: boolean;
/**
* Initialize a new command argument with the given name and description.
* The default is that the argument is required, and you can explicitly
* indicate this with <> around the name. Put [] around the name for an optional argument.
*/
constructor(arg: string, description?: string);
/**
* Return argument name.
*/
name(): string;
/**
* Set the default value, and optionally supply the description to be displayed in the help.
*/
default(value: unknown, description?: string): this;
/**
* Set the custom handler for processing CLI command arguments into argument values.
*/
argParser<T>(fn: (value: string, previous: T) => T): this;
/**
* Only allow argument value to be one of choices.
*/
choices(values: readonly string[]): this;
/**
* Make argument required.
*/
argRequired(): this;
/**
* Make argument optional.
*/
argOptional(): this;
}
export class Option {
flags: string;
description: string;
required: boolean; // A value must be supplied when the option is specified.
optional: boolean; // A value is optional when the option is specified.
variadic: boolean;
mandatory: boolean; // The option must have a value after parsing, which usually means it must be specified on command line.
optionFlags: string;
short?: string;
long?: string;
negate: boolean;
defaultValue?: any;
defaultValueDescription?: string;
parseArg?: <T>(value: string, previous: T) => T;
hidden: boolean;
argChoices?: string[];
constructor(flags: string, description?: string);
/**
* Set the default value, and optionally supply the description to be displayed in the help.
*/
default(value: unknown, description?: string): this;
/**
* Preset to use when option used without option-argument, especially optional but also boolean and negated.
* The custom processing (parseArg) is called.
*
* @example
* ```ts
* new Option('--color').default('GREYSCALE').preset('RGB');
* new Option('--donate [amount]').preset('20').argParser(parseFloat);
* ```
*/
preset(arg: unknown): this;
/**
* Add option name(s) that conflict with this option.
* An error will be displayed if conflicting options are found during parsing.
*
* @example
* ```ts
* new Option('--rgb').conflicts('cmyk');
* new Option('--js').conflicts(['ts', 'jsx']);
* ```
*/
conflicts(names: string | string[]): this;
/**
* Specify implied option values for when this option is set and the implied options are not.
*
* The custom processing (parseArg) is not called on the implied values.
*
* @example
* program
* .addOption(new Option('--log', 'write logging information to file'))
* .addOption(new Option('--trace', 'log extra details').implies({ log: 'trace.txt' }));
*/
implies(optionValues: OptionValues): this;
/**
* Set environment variable to check for option value.
*
* An environment variables is only used if when processed the current option value is
* undefined, or the source of the current value is 'default' or 'config' or 'env'.
*/
env(name: string): this;
/**
* Calculate the full description, including defaultValue etc.
*/
fullDescription(): string;
/**
* Set the custom handler for processing CLI option arguments into option values.
*/
argParser<T>(fn: (value: string, previous: T) => T): this;
/**
* Whether the option is mandatory and must have a value after parsing.
*/
makeOptionMandatory(mandatory?: boolean): this;
/**
* Hide option in help.
*/
hideHelp(hide?: boolean): this;
/**
* Only allow option value to be one of choices.
*/
choices(values: readonly string[]): this;
/**
* Return option name.
*/
name(): string;
/**
* Return option name, in a camelcase format that can be used
* as a object attribute key.
*/
attributeName(): string;
/**
* Return whether a boolean option.
*
* Options are one of boolean, negated, required argument, or optional argument.
*/
isBoolean(): boolean;
}
export class Help {
/** output helpWidth, long lines are wrapped to fit */
helpWidth?: number;
sortSubcommands: boolean;
sortOptions: boolean;
showGlobalOptions: boolean;
constructor();
/** Get the command term to show in the list of subcommands. */
subcommandTerm(cmd: Command): string;
/** Get the command summary to show in the list of subcommands. */
subcommandDescription(cmd: Command): string;
/** Get the option term to show in the list of options. */
optionTerm(option: Option): string;
/** Get the option description to show in the list of options. */
optionDescription(option: Option): string;
/** Get the argument term to show in the list of arguments. */
argumentTerm(argument: Argument): string;
/** Get the argument description to show in the list of arguments. */
argumentDescription(argument: Argument): string;
/** Get the command usage to be displayed at the top of the built-in help. */
commandUsage(cmd: Command): string;
/** Get the description for the command. */
commandDescription(cmd: Command): string;
/** Get an array of the visible subcommands. Includes a placeholder for the implicit help command, if there is one. */
visibleCommands(cmd: Command): Command[];
/** Get an array of the visible options. Includes a placeholder for the implicit help option, if there is one. */
visibleOptions(cmd: Command): Option[];
/** Get an array of the visible global options. (Not including help.) */
visibleGlobalOptions(cmd: Command): Option[];
/** Get an array of the arguments which have descriptions. */
visibleArguments(cmd: Command): Argument[];
/** Get the longest command term length. */
longestSubcommandTermLength(cmd: Command, helper: Help): number;
/** Get the longest option term length. */
longestOptionTermLength(cmd: Command, helper: Help): number;
/** Get the longest global option term length. */
longestGlobalOptionTermLength(cmd: Command, helper: Help): number;
/** Get the longest argument term length. */
longestArgumentTermLength(cmd: Command, helper: Help): number;
/** Calculate the pad width from the maximum term length. */
padWidth(cmd: Command, helper: Help): number;
/**
* Wrap the given string to width characters per line, with lines after the first indented.
* Do not wrap if insufficient room for wrapping (minColumnWidth), or string is manually formatted.
*/
wrap(str: string, width: number, indent: number, minColumnWidth?: number): string;
/** Generate the built-in help text. */
formatHelp(cmd: Command, helper: Help): string;
}
export type HelpConfiguration = Partial<Help>;
export interface ParseOptions {
from: 'node' | 'electron' | 'user';
}
export interface HelpContext { // optional parameter for .help() and .outputHelp()
error: boolean;
}
export interface AddHelpTextContext { // passed to text function used with .addHelpText()
error: boolean;
command: Command;
}
export interface OutputConfiguration {
writeOut?(str: string): void;
writeErr?(str: string): void;
getOutHelpWidth?(): number;
getErrHelpWidth?(): number;
outputError?(str: string, write: (str: string) => void): void;
}
export type AddHelpTextPosition = 'beforeAll' | 'before' | 'after' | 'afterAll';
export type HookEvent = 'preSubcommand' | 'preAction' | 'postAction';
export type OptionValueSource = 'default' | 'config' | 'env' | 'cli' | 'implied';
export interface OptionValues {
[key: string]: any;
}
export class Command {
args: string[];
processedArgs: any[];
commands: Command[];
parent: Command | null;
constructor(name?: string);
/**
* Set the program version to `str`.
*
* This method auto-registers the "-V, --version" flag
* which will print the version number when passed.
*
* You can optionally supply the flags and description to override the defaults.
*/
version(str: string, flags?: string, description?: string): this;
/**
* Define a command, implemented using an action handler.
*
* @remarks
* The command description is supplied using `.description`, not as a parameter to `.command`.
*
* @example
* ```ts
* program
* .command('clone <source> [destination]')
* .description('clone a repository into a newly created directory')
* .action((source, destination) => {
* console.log('clone command called');
* });
* ```
*
* @param nameAndArgs - command name and arguments, args are `<required>` or `[optional]` and last may also be `variadic...`
* @param opts - configuration options
* @returns new command
*/
command(nameAndArgs: string, opts?: CommandOptions): ReturnType<this['createCommand']>;
/**
* Define a command, implemented in a separate executable file.
*
* @remarks
* The command description is supplied as the second parameter to `.command`.
*
* @example
* ```ts
* program
* .command('start <service>', 'start named service')
* .command('stop [service]', 'stop named service, or all if no name supplied');
* ```
*
* @param nameAndArgs - command name and arguments, args are `<required>` or `[optional]` and last may also be `variadic...`
* @param description - description of executable command
* @param opts - configuration options
* @returns `this` command for chaining
*/
command(nameAndArgs: string, description: string, opts?: ExecutableCommandOptions): this;
/**
* Factory routine to create a new unattached command.
*
* See .command() for creating an attached subcommand, which uses this routine to
* create the command. You can override createCommand to customise subcommands.
*/
createCommand(name?: string): Command;
/**
* Add a prepared subcommand.
*
* See .command() for creating an attached subcommand which inherits settings from its parent.
*
* @returns `this` command for chaining
*/
addCommand(cmd: Command, opts?: CommandOptions): this;
/**
* Factory routine to create a new unattached argument.
*
* See .argument() for creating an attached argument, which uses this routine to
* create the argument. You can override createArgument to return a custom argument.
*/
createArgument(name: string, description?: string): Argument;
/**
* Define argument syntax for command.
*
* The default is that the argument is required, and you can explicitly
* indicate this with <> around the name. Put [] around the name for an optional argument.
*
* @example
* ```
* program.argument('<input-file>');
* program.argument('[output-file]');
* ```
*
* @returns `this` command for chaining
*/
argument<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this;
argument(name: string, description?: string, defaultValue?: unknown): this;
/**
* Define argument syntax for command, adding a prepared argument.
*
* @returns `this` command for chaining
*/
addArgument(arg: Argument): this;
/**
* Define argument syntax for command, adding multiple at once (without descriptions).
*
* See also .argument().
*
* @example
* ```
* program.arguments('<cmd> [env]');
* ```
*
* @returns `this` command for chaining
*/
arguments(names: string): this;
/**
* Override default decision whether to add implicit help command.
*
* @example
* ```
* addHelpCommand() // force on
* addHelpCommand(false); // force off
* addHelpCommand('help [cmd]', 'display help for [cmd]'); // force on with custom details
* ```
*
* @returns `this` command for chaining
*/
addHelpCommand(enableOrNameAndArgs?: string | boolean, description?: string): this;
/**
* Add hook for life cycle event.
*/
hook(event: HookEvent, listener: (thisCommand: Command, actionCommand: Command) => void | Promise<void>): this;
/**
* Register callback to use as replacement for calling process.exit.
*/
exitOverride(callback?: (err: CommanderError) => never | void): this;
/**
* Display error message and exit (or call exitOverride).
*/
error(message: string, errorOptions?: ErrorOptions): never;
/**
* You can customise the help with a subclass of Help by overriding createHelp,
* or by overriding Help properties using configureHelp().
*/
createHelp(): Help;
/**
* You can customise the help by overriding Help properties using configureHelp(),
* or with a subclass of Help by overriding createHelp().
*/
configureHelp(configuration: HelpConfiguration): this;
/** Get configuration */
configureHelp(): HelpConfiguration;
/**
* The default output goes to stdout and stderr. You can customise this for special
* applications. You can also customise the display of errors by overriding outputError.
*
* The configuration properties are all functions:
* ```
* // functions to change where being written, stdout and stderr
* writeOut(str)
* writeErr(str)
* // matching functions to specify width for wrapping help
* getOutHelpWidth()
* getErrHelpWidth()
* // functions based on what is being written out
* outputError(str, write) // used for displaying errors, and not used for displaying help
* ```
*/
configureOutput(configuration: OutputConfiguration): this;
/** Get configuration */
configureOutput(): OutputConfiguration;
/**
* Copy settings that are useful to have in common across root command and subcommands.
*
* (Used internally when adding a command using `.command()` so subcommands inherit parent settings.)
*/
copyInheritedSettings(sourceCommand: Command): this;
/**
* Display the help or a custom message after an error occurs.
*/
showHelpAfterError(displayHelp?: boolean | string): this;
/**
* Display suggestion of similar commands for unknown commands, or options for unknown options.
*/
showSuggestionAfterError(displaySuggestion?: boolean): this;
/**
* Register callback `fn` for the command.
*
* @example
* ```
* program
* .command('serve')
* .description('start service')
* .action(function() {
* // do work here
* });
* ```
*
* @returns `this` command for chaining
*/
action(fn: (...args: any[]) => void | Promise<void>): this;
/**
* Define option with `flags`, `description` and optional
* coercion `fn`.
*
* The `flags` string contains the short and/or long flags,
* separated by comma, a pipe or space. The following are all valid
* all will output this way when `--help` is used.
*
* "-p, --pepper"
* "-p|--pepper"
* "-p --pepper"
*
* @example
* ```
* // simple boolean defaulting to false
* program.option('-p, --pepper', 'add pepper');
*
* --pepper
* program.pepper
* // => Boolean
*
* // simple boolean defaulting to true
* program.option('-C, --no-cheese', 'remove cheese');
*
* program.cheese
* // => true
*
* --no-cheese
* program.cheese
* // => false
*
* // required argument
* program.option('-C, --chdir <path>', 'change the working directory');
*
* --chdir /tmp
* program.chdir
* // => "/tmp"
*
* // optional argument
* program.option('-c, --cheese [type]', 'add cheese [marble]');
* ```
*
* @returns `this` command for chaining
*/
option(flags: string, description?: string, defaultValue?: string | boolean | string[]): this;
option<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this;
/** @deprecated since v7, instead use choices or a custom function */
option(flags: string, description: string, regexp: RegExp, defaultValue?: string | boolean | string[]): this;
/**
* Define a required option, which must have a value after parsing. This usually means
* the option must be specified on the command line. (Otherwise the same as .option().)
*
* The `flags` string contains the short and/or long flags, separated by comma, a pipe or space.
*/
requiredOption(flags: string, description?: string, defaultValue?: string | boolean | string[]): this;
requiredOption<T>(flags: string, description: string, fn: (value: string, previous: T) => T, defaultValue?: T): this;
/** @deprecated since v7, instead use choices or a custom function */
requiredOption(flags: string, description: string, regexp: RegExp, defaultValue?: string | boolean | string[]): this;
/**
* Factory routine to create a new unattached option.
*
* See .option() for creating an attached option, which uses this routine to
* create the option. You can override createOption to return a custom option.
*/
createOption(flags: string, description?: string): Option;
/**
* Add a prepared Option.
*
* See .option() and .requiredOption() for creating and attaching an option in a single call.
*/
addOption(option: Option): this;
/**
* Whether to store option values as properties on command object,
* or store separately (specify false). In both cases the option values can be accessed using .opts().
*
* @returns `this` command for chaining
*/
storeOptionsAsProperties<T extends OptionValues>(): this & T;
storeOptionsAsProperties<T extends OptionValues>(storeAsProperties: true): this & T;
storeOptionsAsProperties(storeAsProperties?: boolean): this;
/**
* Retrieve option value.
*/
getOptionValue(key: string): any;
/**
* Store option value.
*/
setOptionValue(key: string, value: unknown): this;
/**
* Store option value and where the value came from.
*/
setOptionValueWithSource(key: string, value: unknown, source: OptionValueSource): this;
/**
* Get source of option value.
*/
getOptionValueSource(key: string): OptionValueSource | undefined;
/**
* Get source of option value. See also .optsWithGlobals().
*/
getOptionValueSourceWithGlobals(key: string): OptionValueSource | undefined;
/**
* Alter parsing of short flags with optional values.
*
* @example
* ```
* // for `.option('-f,--flag [value]'):
* .combineFlagAndOptionalValue(true) // `-f80` is treated like `--flag=80`, this is the default behaviour
* .combineFlagAndOptionalValue(false) // `-fb` is treated like `-f -b`
* ```
*
* @returns `this` command for chaining
*/
combineFlagAndOptionalValue(combine?: boolean): this;
/**
* Allow unknown options on the command line.
*
* @returns `this` command for chaining
*/
allowUnknownOption(allowUnknown?: boolean): this;
/**
* Allow excess command-arguments on the command line. Pass false to make excess arguments an error.
*
* @returns `this` command for chaining
*/
allowExcessArguments(allowExcess?: boolean): this;
/**
* Enable positional options. Positional means global options are specified before subcommands which lets
* subcommands reuse the same option names, and also enables subcommands to turn on passThroughOptions.
*
* The default behaviour is non-positional and global options may appear anywhere on the command line.
*
* @returns `this` command for chaining
*/
enablePositionalOptions(positional?: boolean): this;
/**
* Pass through options that come after command-arguments rather than treat them as command-options,
* so actual command-options come before command-arguments. Turning this on for a subcommand requires
* positional options to have been enabled on the program (parent commands).
*
* The default behaviour is non-positional and options may appear before or after command-arguments.
*
* @returns `this` command for chaining
*/
passThroughOptions(passThrough?: boolean): this;
/**
* Parse `argv`, setting options and invoking commands when defined.
*
* The default expectation is that the arguments are from node and have the application as argv[0]
* and the script being run in argv[1], with user parameters after that.
*
* @example
* ```
* program.parse(process.argv);
* program.parse(); // implicitly use process.argv and auto-detect node vs electron conventions
* program.parse(my-args, { from: 'user' }); // just user supplied arguments, nothing special about argv[0]
* ```
*
* @returns `this` command for chaining
*/
parse(argv?: readonly string[], options?: ParseOptions): this;
/**
* Parse `argv`, setting options and invoking commands when defined.
*
* Use parseAsync instead of parse if any of your action handlers are async. Returns a Promise.
*
* The default expectation is that the arguments are from node and have the application as argv[0]
* and the script being run in argv[1], with user parameters after that.
*
* @example
* ```
* program.parseAsync(process.argv);
* program.parseAsync(); // implicitly use process.argv and auto-detect node vs electron conventions
* program.parseAsync(my-args, { from: 'user' }); // just user supplied arguments, nothing special about argv[0]
* ```
*
* @returns Promise
*/
parseAsync(argv?: readonly string[], options?: ParseOptions): Promise<this>;
/**
* Parse options from `argv` removing known options,
* and return argv split into operands and unknown arguments.
*
* argv => operands, unknown
* --known kkk op => [op], []
* op --known kkk => [op], []
* sub --unknown uuu op => [sub], [--unknown uuu op]
* sub -- --unknown uuu op => [sub --unknown uuu op], []
*/
parseOptions(argv: string[]): ParseOptionsResult;
/**
* Return an object containing local option values as key-value pairs
*/
opts<T extends OptionValues>(): T;
/**
* Return an object containing merged local and global option values as key-value pairs.
*/
optsWithGlobals<T extends OptionValues>(): T;
/**
* Set the description.
*
* @returns `this` command for chaining
*/
description(str: string): this;
/** @deprecated since v8, instead use .argument to add command argument with description */
description(str: string, argsDescription: {[argName: string]: string}): this;
/**
* Get the description.
*/
description(): string;
/**
* Set the summary. Used when listed as subcommand of parent.
*
* @returns `this` command for chaining
*/
summary(str: string): this;
/**
* Get the summary.
*/
summary(): string;
/**
* Set an alias for the command.
*
* You may call more than once to add multiple aliases. Only the first alias is shown in the auto-generated help.
*
* @returns `this` command for chaining
*/
alias(alias: string): this;
/**
* Get alias for the command.
*/
alias(): string;
/**
* Set aliases for the command.
*
* Only the first alias is shown in the auto-generated help.
*
* @returns `this` command for chaining
*/
aliases(aliases: readonly string[]): this;
/**
* Get aliases for the command.
*/
aliases(): string[];
/**
* Set the command usage.
*
* @returns `this` command for chaining
*/
usage(str: string): this;
/**
* Get the command usage.
*/
usage(): string;
/**
* Set the name of the command.
*
* @returns `this` command for chaining
*/
name(str: string): this;
/**
* Get the name of the command.
*/
name(): string;
/**
* Set the name of the command from script filename, such as process.argv[1],
* or require.main.filename, or __filename.
*
* (Used internally and public although not documented in README.)
*
* @example
* ```ts
* program.nameFromFilename(require.main.filename);
* ```
*
* @returns `this` command for chaining
*/
nameFromFilename(filename: string): this;
/**
* Set the directory for searching for executable subcommands of this command.
*
* @example
* ```ts
* program.executableDir(__dirname);
* // or
* program.executableDir('subcommands');
* ```
*
* @returns `this` command for chaining
*/
executableDir(path: string): this;
/**
* Get the executable search directory.
*/
executableDir(): string;
/**
* Output help information for this command.
*
* Outputs built-in help, and custom text added using `.addHelpText()`.
*
*/
outputHelp(context?: HelpContext): void;
/** @deprecated since v7 */
outputHelp(cb?: (str: string) => string): void;
/**
* Return command help documentation.
*/
helpInformation(context?: HelpContext): string;
/**
* You can pass in flags and a description to override the help
* flags and help description for your command. Pass in false
* to disable the built-in help option.
*/
helpOption(flags?: string | boolean, description?: string): this;
/**
* Output help information and exit.
*
* Outputs built-in help, and custom text added using `.addHelpText()`.
*/
help(context?: HelpContext): never;
/** @deprecated since v7 */
help(cb?: (str: string) => string): never;
/**
* Add additional text to be displayed with the built-in help.
*
* Position is 'before' or 'after' to affect just this command,
* and 'beforeAll' or 'afterAll' to affect this command and all its subcommands.
*/
addHelpText(position: AddHelpTextPosition, text: string): this;
addHelpText(position: AddHelpTextPosition, text: (context: AddHelpTextContext) => string): this;
/**
* Add a listener (callback) for when events occur. (Implemented using EventEmitter.)
*/
on(event: string | symbol, listener: (...args: any[]) => void): this;
}
export interface CommandOptions {
hidden?: boolean;
isDefault?: boolean;
/** @deprecated since v7, replaced by hidden */
noHelp?: boolean;
}
export interface ExecutableCommandOptions extends CommandOptions {
executableFile?: string;
}
export interface ParseOptionsResult {
operands: string[];
unknown: string[];
}
export function createCommand(name?: string): Command;
export function createOption(flags: string, description?: string): Option;
export function createArgument(name: string, description?: string): Argument;
export const program: Command;