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-rw-r--r--node_modules/yargs/yargs.js1185
1 files changed, 1185 insertions, 0 deletions
diff --git a/node_modules/yargs/yargs.js b/node_modules/yargs/yargs.js
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+++ b/node_modules/yargs/yargs.js
@@ -0,0 +1,1185 @@
+'use strict'
+const argsert = require('./lib/argsert')
+const fs = require('fs')
+const Command = require('./lib/command')
+const Completion = require('./lib/completion')
+const Parser = require('yargs-parser')
+const path = require('path')
+const Usage = require('./lib/usage')
+const Validation = require('./lib/validation')
+const Y18n = require('y18n')
+const objFilter = require('./lib/obj-filter')
+const setBlocking = require('set-blocking')
+const applyExtends = require('./lib/apply-extends')
+const YError = require('./lib/yerror')
+
+exports = module.exports = Yargs
+function Yargs (processArgs, cwd, parentRequire) {
+ processArgs = processArgs || [] // handle calling yargs().
+
+ const self = {}
+ let command = null
+ let completion = null
+ let groups = {}
+ let output = ''
+ let preservedGroups = {}
+ let usage = null
+ let validation = null
+
+ const y18n = Y18n({
+ directory: path.resolve(__dirname, './locales'),
+ updateFiles: false
+ })
+
+ if (!cwd) cwd = process.cwd()
+
+ self.$0 = process.argv
+ .slice(0, 2)
+ .map((x, i) => {
+ // ignore the node bin, specify this in your
+ // bin file with #!/usr/bin/env node
+ if (i === 0 && /\b(node|iojs)(\.exe)?$/.test(x)) return
+ const b = rebase(cwd, x)
+ return x.match(/^(\/|([a-zA-Z]:)?\\)/) && b.length < x.length ? b : x
+ })
+ .join(' ').trim()
+
+ if (process.env._ !== undefined && process.argv[1] === process.env._) {
+ self.$0 = process.env._.replace(
+ `${path.dirname(process.execPath)}/`, ''
+ )
+ }
+
+ // use context object to keep track of resets, subcommand execution, etc
+ // submodules should modify and check the state of context as necessary
+ const context = { resets: -1, commands: [], fullCommands: [], files: [] }
+ self.getContext = () => context
+
+ // puts yargs back into an initial state. any keys
+ // that have been set to "global" will not be reset
+ // by this action.
+ let options
+ self.resetOptions = self.reset = function resetOptions (aliases) {
+ context.resets++
+ aliases = aliases || {}
+ options = options || {}
+ // put yargs back into an initial state, this
+ // logic is used to build a nested command
+ // hierarchy.
+ const tmpOptions = {}
+ tmpOptions.local = options.local ? options.local : []
+ tmpOptions.configObjects = options.configObjects ? options.configObjects : []
+
+ // if a key has been explicitly set as local,
+ // we should reset it before passing options to command.
+ const localLookup = {}
+ tmpOptions.local.forEach((l) => {
+ localLookup[l] = true
+ ;(aliases[l] || []).forEach((a) => {
+ localLookup[a] = true
+ })
+ })
+
+ // preserve all groups not set to local.
+ preservedGroups = Object.keys(groups).reduce((acc, groupName) => {
+ const keys = groups[groupName].filter(key => !(key in localLookup))
+ if (keys.length > 0) {
+ acc[groupName] = keys
+ }
+ return acc
+ }, {})
+ // groups can now be reset
+ groups = {}
+
+ const arrayOptions = [
+ 'array', 'boolean', 'string', 'skipValidation',
+ 'count', 'normalize', 'number',
+ 'hiddenOptions'
+ ]
+
+ const objectOptions = [
+ 'narg', 'key', 'alias', 'default', 'defaultDescription',
+ 'config', 'choices', 'demandedOptions', 'demandedCommands', 'coerce'
+ ]
+
+ arrayOptions.forEach((k) => {
+ tmpOptions[k] = (options[k] || []).filter(k => !localLookup[k])
+ })
+
+ objectOptions.forEach((k) => {
+ tmpOptions[k] = objFilter(options[k], (k, v) => !localLookup[k])
+ })
+
+ tmpOptions.envPrefix = options.envPrefix
+ options = tmpOptions
+
+ // if this is the first time being executed, create
+ // instances of all our helpers -- otherwise just reset.
+ usage = usage ? usage.reset(localLookup) : Usage(self, y18n)
+ validation = validation ? validation.reset(localLookup) : Validation(self, usage, y18n)
+ command = command ? command.reset() : Command(self, usage, validation)
+ if (!completion) completion = Completion(self, usage, command)
+
+ completionCommand = null
+ output = ''
+ exitError = null
+ hasOutput = false
+ self.parsed = false
+
+ return self
+ }
+ self.resetOptions()
+
+ // temporary hack: allow "freezing" of reset-able state for parse(msg, cb)
+ let frozen
+ function freeze () {
+ frozen = {}
+ frozen.options = options
+ frozen.configObjects = options.configObjects.slice(0)
+ frozen.exitProcess = exitProcess
+ frozen.groups = groups
+ usage.freeze()
+ validation.freeze()
+ command.freeze()
+ frozen.strict = strict
+ frozen.completionCommand = completionCommand
+ frozen.output = output
+ frozen.exitError = exitError
+ frozen.hasOutput = hasOutput
+ frozen.parsed = self.parsed
+ }
+ function unfreeze () {
+ options = frozen.options
+ options.configObjects = frozen.configObjects
+ exitProcess = frozen.exitProcess
+ groups = frozen.groups
+ output = frozen.output
+ exitError = frozen.exitError
+ hasOutput = frozen.hasOutput
+ self.parsed = frozen.parsed
+ usage.unfreeze()
+ validation.unfreeze()
+ command.unfreeze()
+ strict = frozen.strict
+ completionCommand = frozen.completionCommand
+ parseFn = null
+ parseContext = null
+ frozen = undefined
+ }
+
+ self.boolean = function (keys) {
+ argsert('<array|string>', [keys], arguments.length)
+ populateParserHintArray('boolean', keys)
+ return self
+ }
+
+ self.array = function (keys) {
+ argsert('<array|string>', [keys], arguments.length)
+ populateParserHintArray('array', keys)
+ return self
+ }
+
+ self.number = function (keys) {
+ argsert('<array|string>', [keys], arguments.length)
+ populateParserHintArray('number', keys)
+ return self
+ }
+
+ self.normalize = function (keys) {
+ argsert('<array|string>', [keys], arguments.length)
+ populateParserHintArray('normalize', keys)
+ return self
+ }
+
+ self.count = function (keys) {
+ argsert('<array|string>', [keys], arguments.length)
+ populateParserHintArray('count', keys)
+ return self
+ }
+
+ self.string = function (keys) {
+ argsert('<array|string>', [keys], arguments.length)
+ populateParserHintArray('string', keys)
+ return self
+ }
+
+ self.requiresArg = function (keys) {
+ argsert('<array|string>', [keys], arguments.length)
+ populateParserHintObject(self.nargs, false, 'narg', keys, 1)
+ return self
+ }
+
+ self.skipValidation = function (keys) {
+ argsert('<array|string>', [keys], arguments.length)
+ populateParserHintArray('skipValidation', keys)
+ return self
+ }
+
+ function populateParserHintArray (type, keys, value) {
+ keys = [].concat(keys)
+ keys.forEach((key) => {
+ options[type].push(key)
+ })
+ }
+
+ self.nargs = function (key, value) {
+ argsert('<string|object|array> [number]', [key, value], arguments.length)
+ populateParserHintObject(self.nargs, false, 'narg', key, value)
+ return self
+ }
+
+ self.choices = function (key, value) {
+ argsert('<object|string|array> [string|array]', [key, value], arguments.length)
+ populateParserHintObject(self.choices, true, 'choices', key, value)
+ return self
+ }
+
+ self.alias = function (key, value) {
+ argsert('<object|string|array> [string|array]', [key, value], arguments.length)
+ populateParserHintObject(self.alias, true, 'alias', key, value)
+ return self
+ }
+
+ // TODO: actually deprecate self.defaults.
+ self.default = self.defaults = function (key, value, defaultDescription) {
+ argsert('<object|string|array> [*] [string]', [key, value, defaultDescription], arguments.length)
+ if (defaultDescription) options.defaultDescription[key] = defaultDescription
+ if (typeof value === 'function') {
+ if (!options.defaultDescription[key]) options.defaultDescription[key] = usage.functionDescription(value)
+ value = value.call()
+ }
+ populateParserHintObject(self.default, false, 'default', key, value)
+ return self
+ }
+
+ self.describe = function (key, desc) {
+ argsert('<object|string|array> [string]', [key, desc], arguments.length)
+ populateParserHintObject(self.describe, false, 'key', key, true)
+ usage.describe(key, desc)
+ return self
+ }
+
+ self.demandOption = function (keys, msg) {
+ argsert('<object|string|array> [string]', [keys, msg], arguments.length)
+ populateParserHintObject(self.demandOption, false, 'demandedOptions', keys, msg)
+ return self
+ }
+
+ self.coerce = function (keys, value) {
+ argsert('<object|string|array> [function]', [keys, value], arguments.length)
+ populateParserHintObject(self.coerce, false, 'coerce', keys, value)
+ return self
+ }
+
+ function populateParserHintObject (builder, isArray, type, key, value) {
+ if (Array.isArray(key)) {
+ // an array of keys with one value ['x', 'y', 'z'], function parse () {}
+ const temp = {}
+ key.forEach((k) => {
+ temp[k] = value
+ })
+ builder(temp)
+ } else if (typeof key === 'object') {
+ // an object of key value pairs: {'x': parse () {}, 'y': parse() {}}
+ Object.keys(key).forEach((k) => {
+ builder(k, key[k])
+ })
+ } else {
+ // a single key value pair 'x', parse() {}
+ if (isArray) {
+ options[type][key] = (options[type][key] || []).concat(value)
+ } else {
+ options[type][key] = value
+ }
+ }
+ }
+
+ function deleteFromParserHintObject (optionKey) {
+ // delete from all parsing hints:
+ // boolean, array, key, alias, etc.
+ Object.keys(options).forEach((hintKey) => {
+ const hint = options[hintKey]
+ if (Array.isArray(hint)) {
+ if (~hint.indexOf(optionKey)) hint.splice(hint.indexOf(optionKey), 1)
+ } else if (typeof hint === 'object') {
+ delete hint[optionKey]
+ }
+ })
+ // now delete the description from usage.js.
+ delete usage.getDescriptions()[optionKey]
+ }
+
+ self.config = function config (key, msg, parseFn) {
+ argsert('[object|string] [string|function] [function]', [key, msg, parseFn], arguments.length)
+ // allow a config object to be provided directly.
+ if (typeof key === 'object') {
+ key = applyExtends(key, cwd)
+ options.configObjects = (options.configObjects || []).concat(key)
+ return self
+ }
+
+ // allow for a custom parsing function.
+ if (typeof msg === 'function') {
+ parseFn = msg
+ msg = null
+ }
+
+ key = key || 'config'
+ self.describe(key, msg || usage.deferY18nLookup('Path to JSON config file'))
+ ;(Array.isArray(key) ? key : [key]).forEach((k) => {
+ options.config[k] = parseFn || true
+ })
+
+ return self
+ }
+
+ self.example = function (cmd, description) {
+ argsert('<string> [string]', [cmd, description], arguments.length)
+ usage.example(cmd, description)
+ return self
+ }
+
+ self.command = function (cmd, description, builder, handler, middlewares) {
+ argsert('<string|array|object> [string|boolean] [function|object] [function] [array]', [cmd, description, builder, handler, middlewares], arguments.length)
+ command.addHandler(cmd, description, builder, handler, middlewares)
+ return self
+ }
+
+ self.commandDir = function (dir, opts) {
+ argsert('<string> [object]', [dir, opts], arguments.length)
+ const req = parentRequire || require
+ command.addDirectory(dir, self.getContext(), req, require('get-caller-file')(), opts)
+ return self
+ }
+
+ // TODO: deprecate self.demand in favor of
+ // .demandCommand() .demandOption().
+ self.demand = self.required = self.require = function demand (keys, max, msg) {
+ // you can optionally provide a 'max' key,
+ // which will raise an exception if too many '_'
+ // options are provided.
+ if (Array.isArray(max)) {
+ max.forEach((key) => {
+ self.demandOption(key, msg)
+ })
+ max = Infinity
+ } else if (typeof max !== 'number') {
+ msg = max
+ max = Infinity
+ }
+
+ if (typeof keys === 'number') {
+ self.demandCommand(keys, max, msg, msg)
+ } else if (Array.isArray(keys)) {
+ keys.forEach((key) => {
+ self.demandOption(key, msg)
+ })
+ } else {
+ if (typeof msg === 'string') {
+ self.demandOption(keys, msg)
+ } else if (msg === true || typeof msg === 'undefined') {
+ self.demandOption(keys)
+ }
+ }
+
+ return self
+ }
+
+ self.demandCommand = function demandCommand (min, max, minMsg, maxMsg) {
+ argsert('[number] [number|string] [string|null|undefined] [string|null|undefined]', [min, max, minMsg, maxMsg], arguments.length)
+
+ if (typeof min === 'undefined') min = 1
+
+ if (typeof max !== 'number') {
+ minMsg = max
+ max = Infinity
+ }
+
+ self.global('_', false)
+
+ options.demandedCommands._ = {
+ min,
+ max,
+ minMsg,
+ maxMsg
+ }
+
+ return self
+ }
+
+ self.getDemandedOptions = () => {
+ argsert([], 0)
+ return options.demandedOptions
+ }
+
+ self.getDemandedCommands = () => {
+ argsert([], 0)
+ return options.demandedCommands
+ }
+
+ self.implies = function (key, value) {
+ argsert('<string|object> [number|string|array]', [key, value], arguments.length)
+ validation.implies(key, value)
+ return self
+ }
+
+ self.conflicts = function (key1, key2) {
+ argsert('<string|object> [string|array]', [key1, key2], arguments.length)
+ validation.conflicts(key1, key2)
+ return self
+ }
+
+ self.usage = function (msg, description, builder, handler) {
+ argsert('<string|null|undefined> [string|boolean] [function|object] [function]', [msg, description, builder, handler], arguments.length)
+
+ if (description !== undefined) {
+ // .usage() can be used as an alias for defining
+ // a default command.
+ if ((msg || '').match(/^\$0( |$)/)) {
+ return self.command(msg, description, builder, handler)
+ } else {
+ throw new YError('.usage() description must start with $0 if being used as alias for .command()')
+ }
+ } else {
+ usage.usage(msg)
+ return self
+ }
+ }
+
+ self.epilogue = self.epilog = function (msg) {
+ argsert('<string>', [msg], arguments.length)
+ usage.epilog(msg)
+ return self
+ }
+
+ self.fail = function (f) {
+ argsert('<function>', [f], arguments.length)
+ usage.failFn(f)
+ return self
+ }
+
+ self.check = function (f, _global) {
+ argsert('<function> [boolean]', [f, _global], arguments.length)
+ validation.check(f, _global !== false)
+ return self
+ }
+
+ self.global = function global (globals, global) {
+ argsert('<string|array> [boolean]', [globals, global], arguments.length)
+ globals = [].concat(globals)
+ if (global !== false) {
+ options.local = options.local.filter(l => globals.indexOf(l) === -1)
+ } else {
+ globals.forEach((g) => {
+ if (options.local.indexOf(g) === -1) options.local.push(g)
+ })
+ }
+ return self
+ }
+
+ self.pkgConf = function pkgConf (key, rootPath) {
+ argsert('<string> [string]', [key, rootPath], arguments.length)
+ let conf = null
+ // prefer cwd to require-main-filename in this method
+ // since we're looking for e.g. "nyc" config in nyc consumer
+ // rather than "yargs" config in nyc (where nyc is the main filename)
+ const obj = pkgUp(rootPath || cwd)
+
+ // If an object exists in the key, add it to options.configObjects
+ if (obj[key] && typeof obj[key] === 'object') {
+ conf = applyExtends(obj[key], rootPath || cwd)
+ options.configObjects = (options.configObjects || []).concat(conf)
+ }
+
+ return self
+ }
+
+ const pkgs = {}
+ function pkgUp (rootPath) {
+ const npath = rootPath || '*'
+ if (pkgs[npath]) return pkgs[npath]
+ const findUp = require('find-up')
+
+ let obj = {}
+ try {
+ let startDir = rootPath || require('require-main-filename')(parentRequire || require)
+
+ // When called in an environment that lacks require.main.filename, such as a jest test runner,
+ // startDir is already process.cwd(), and should not be shortened.
+ // Whether or not it is _actually_ a directory (e.g., extensionless bin) is irrelevant, find-up handles it.
+ if (!rootPath && path.extname(startDir)) {
+ startDir = path.dirname(startDir)
+ }
+
+ const pkgJsonPath = findUp.sync('package.json', {
+ cwd: startDir
+ })
+ obj = JSON.parse(fs.readFileSync(pkgJsonPath))
+ } catch (noop) {}
+
+ pkgs[npath] = obj || {}
+ return pkgs[npath]
+ }
+
+ let parseFn = null
+ let parseContext = null
+ self.parse = function parse (args, shortCircuit, _parseFn) {
+ argsert('[string|array] [function|boolean|object] [function]', [args, shortCircuit, _parseFn], arguments.length)
+ if (typeof args === 'undefined') args = processArgs
+
+ // a context object can optionally be provided, this allows
+ // additional information to be passed to a command handler.
+ if (typeof shortCircuit === 'object') {
+ parseContext = shortCircuit
+ shortCircuit = _parseFn
+ }
+
+ // by providing a function as a second argument to
+ // parse you can capture output that would otherwise
+ // default to printing to stdout/stderr.
+ if (typeof shortCircuit === 'function') {
+ parseFn = shortCircuit
+ shortCircuit = null
+ }
+ // completion short-circuits the parsing process,
+ // skipping validation, etc.
+ if (!shortCircuit) processArgs = args
+
+ freeze()
+ if (parseFn) exitProcess = false
+
+ const parsed = self._parseArgs(args, shortCircuit)
+ if (parseFn) parseFn(exitError, parsed, output)
+ unfreeze()
+
+ return parsed
+ }
+
+ self._getParseContext = () => parseContext || {}
+
+ self._hasParseCallback = () => !!parseFn
+
+ self.option = self.options = function option (key, opt) {
+ argsert('<string|object> [object]', [key, opt], arguments.length)
+ if (typeof key === 'object') {
+ Object.keys(key).forEach((k) => {
+ self.options(k, key[k])
+ })
+ } else {
+ if (typeof opt !== 'object') {
+ opt = {}
+ }
+
+ options.key[key] = true // track manually set keys.
+
+ if (opt.alias) self.alias(key, opt.alias)
+
+ const demand = opt.demand || opt.required || opt.require
+
+ // deprecated, use 'demandOption' instead
+ if (demand) {
+ self.demand(key, demand)
+ }
+
+ if (opt.demandOption) {
+ self.demandOption(key, typeof opt.demandOption === 'string' ? opt.demandOption : undefined)
+ }
+
+ if ('conflicts' in opt) {
+ self.conflicts(key, opt.conflicts)
+ }
+
+ if ('default' in opt) {
+ self.default(key, opt.default)
+ }
+
+ if ('implies' in opt) {
+ self.implies(key, opt.implies)
+ }
+
+ if ('nargs' in opt) {
+ self.nargs(key, opt.nargs)
+ }
+
+ if (opt.config) {
+ self.config(key, opt.configParser)
+ }
+
+ if (opt.normalize) {
+ self.normalize(key)
+ }
+
+ if ('choices' in opt) {
+ self.choices(key, opt.choices)
+ }
+
+ if ('coerce' in opt) {
+ self.coerce(key, opt.coerce)
+ }
+
+ if ('group' in opt) {
+ self.group(key, opt.group)
+ }
+
+ if (opt.boolean || opt.type === 'boolean') {
+ self.boolean(key)
+ if (opt.alias) self.boolean(opt.alias)
+ }
+
+ if (opt.array || opt.type === 'array') {
+ self.array(key)
+ if (opt.alias) self.array(opt.alias)
+ }
+
+ if (opt.number || opt.type === 'number') {
+ self.number(key)
+ if (opt.alias) self.number(opt.alias)
+ }
+
+ if (opt.string || opt.type === 'string') {
+ self.string(key)
+ if (opt.alias) self.string(opt.alias)
+ }
+
+ if (opt.count || opt.type === 'count') {
+ self.count(key)
+ }
+
+ if (typeof opt.global === 'boolean') {
+ self.global(key, opt.global)
+ }
+
+ if (opt.defaultDescription) {
+ options.defaultDescription[key] = opt.defaultDescription
+ }
+
+ if (opt.skipValidation) {
+ self.skipValidation(key)
+ }
+
+ const desc = opt.describe || opt.description || opt.desc
+ self.describe(key, desc)
+ if (opt.hidden) {
+ self.hide(key)
+ }
+
+ if (opt.requiresArg) {
+ self.requiresArg(key)
+ }
+ }
+
+ return self
+ }
+ self.getOptions = () => options
+
+ self.positional = function (key, opts) {
+ argsert('<string> <object>', [key, opts], arguments.length)
+ if (context.resets === 0) {
+ throw new YError(".positional() can only be called in a command's builder function")
+ }
+
+ // .positional() only supports a subset of the configuration
+ // options availble to .option().
+ const supportedOpts = ['default', 'implies', 'normalize',
+ 'choices', 'conflicts', 'coerce', 'type', 'describe',
+ 'desc', 'description', 'alias']
+ opts = objFilter(opts, (k, v) => {
+ let accept = supportedOpts.indexOf(k) !== -1
+ // type can be one of string|number|boolean.
+ if (k === 'type' && ['string', 'number', 'boolean'].indexOf(v) === -1) accept = false
+ return accept
+ })
+
+ // copy over any settings that can be inferred from the command string.
+ const fullCommand = context.fullCommands[context.fullCommands.length - 1]
+ const parseOptions = fullCommand ? command.cmdToParseOptions(fullCommand) : {
+ array: [],
+ alias: {},
+ default: {},
+ demand: {}
+ }
+ Object.keys(parseOptions).forEach((pk) => {
+ if (Array.isArray(parseOptions[pk])) {
+ if (parseOptions[pk].indexOf(key) !== -1) opts[pk] = true
+ } else {
+ if (parseOptions[pk][key] && !(pk in opts)) opts[pk] = parseOptions[pk][key]
+ }
+ })
+ self.group(key, usage.getPositionalGroupName())
+ return self.option(key, opts)
+ }
+
+ self.group = function group (opts, groupName) {
+ argsert('<string|array> <string>', [opts, groupName], arguments.length)
+ const existing = preservedGroups[groupName] || groups[groupName]
+ if (preservedGroups[groupName]) {
+ // we now only need to track this group name in groups.
+ delete preservedGroups[groupName]
+ }
+
+ const seen = {}
+ groups[groupName] = (existing || []).concat(opts).filter((key) => {
+ if (seen[key]) return false
+ return (seen[key] = true)
+ })
+ return self
+ }
+ // combine explicit and preserved groups. explicit groups should be first
+ self.getGroups = () => Object.assign({}, groups, preservedGroups)
+
+ // as long as options.envPrefix is not undefined,
+ // parser will apply env vars matching prefix to argv
+ self.env = function (prefix) {
+ argsert('[string|boolean]', [prefix], arguments.length)
+ if (prefix === false) options.envPrefix = undefined
+ else options.envPrefix = prefix || ''
+ return self
+ }
+
+ self.wrap = function (cols) {
+ argsert('<number|null|undefined>', [cols], arguments.length)
+ usage.wrap(cols)
+ return self
+ }
+
+ let strict = false
+ self.strict = function (enabled) {
+ argsert('[boolean]', [enabled], arguments.length)
+ strict = enabled !== false
+ return self
+ }
+ self.getStrict = () => strict
+
+ self.showHelp = function (level) {
+ argsert('[string|function]', [level], arguments.length)
+ if (!self.parsed) self._parseArgs(processArgs) // run parser, if it has not already been executed.
+ if (command.hasDefaultCommand()) {
+ context.resets++ // override the restriction on top-level positoinals.
+ command.runDefaultBuilderOn(self, true)
+ }
+ usage.showHelp(level)
+ return self
+ }
+
+ let versionOpt = null
+ self.version = function version (opt, msg, ver) {
+ const defaultVersionOpt = 'version'
+ argsert('[boolean|string] [string] [string]', [opt, msg, ver], arguments.length)
+
+ // nuke the key previously configured
+ // to return version #.
+ if (versionOpt) {
+ deleteFromParserHintObject(versionOpt)
+ usage.version(undefined)
+ versionOpt = null
+ }
+
+ if (arguments.length === 0) {
+ ver = guessVersion()
+ opt = defaultVersionOpt
+ } else if (arguments.length === 1) {
+ if (opt === false) { // disable default 'version' key.
+ return self
+ }
+ ver = opt
+ opt = defaultVersionOpt
+ } else if (arguments.length === 2) {
+ ver = msg
+ msg = null
+ }
+
+ versionOpt = typeof opt === 'string' ? opt : defaultVersionOpt
+ msg = msg || usage.deferY18nLookup('Show version number')
+
+ usage.version(ver || undefined)
+ self.boolean(versionOpt)
+ self.describe(versionOpt, msg)
+ return self
+ }
+
+ function guessVersion () {
+ const obj = pkgUp()
+
+ return obj.version || 'unknown'
+ }
+
+ let helpOpt = null
+ self.addHelpOpt = self.help = function addHelpOpt (opt, msg) {
+ const defaultHelpOpt = 'help'
+ argsert('[string|boolean] [string]', [opt, msg], arguments.length)
+
+ // nuke the key previously configured
+ // to return help.
+ if (helpOpt) {
+ deleteFromParserHintObject(helpOpt)
+ helpOpt = null
+ }
+
+ if (arguments.length === 1) {
+ if (opt === false) return self
+ }
+
+ // use arguments, fallback to defaults for opt and msg
+ helpOpt = typeof opt === 'string' ? opt : defaultHelpOpt
+ self.boolean(helpOpt)
+ self.describe(helpOpt, msg || usage.deferY18nLookup('Show help'))
+ return self
+ }
+
+ const defaultShowHiddenOpt = 'show-hidden'
+ options.showHiddenOpt = defaultShowHiddenOpt
+ self.addShowHiddenOpt = self.showHidden = function addShowHiddenOpt (opt, msg) {
+ argsert('[string|boolean] [string]', [opt, msg], arguments.length)
+
+ if (arguments.length === 1) {
+ if (opt === false) return self
+ }
+
+ const showHiddenOpt = typeof opt === 'string' ? opt : defaultShowHiddenOpt
+ self.boolean(showHiddenOpt)
+ self.describe(showHiddenOpt, msg || usage.deferY18nLookup('Show hidden options'))
+ options.showHiddenOpt = showHiddenOpt
+ return self
+ }
+
+ self.hide = function hide (key) {
+ argsert('<string|object>', [key], arguments.length)
+ options.hiddenOptions.push(key)
+ return self
+ }
+
+ self.showHelpOnFail = function showHelpOnFail (enabled, message) {
+ argsert('[boolean|string] [string]', [enabled, message], arguments.length)
+ usage.showHelpOnFail(enabled, message)
+ return self
+ }
+
+ var exitProcess = true
+ self.exitProcess = function (enabled) {
+ argsert('[boolean]', [enabled], arguments.length)
+ if (typeof enabled !== 'boolean') {
+ enabled = true
+ }
+ exitProcess = enabled
+ return self
+ }
+ self.getExitProcess = () => exitProcess
+
+ var completionCommand = null
+ self.completion = function (cmd, desc, fn) {
+ argsert('[string] [string|boolean|function] [function]', [cmd, desc, fn], arguments.length)
+
+ // a function to execute when generating
+ // completions can be provided as the second
+ // or third argument to completion.
+ if (typeof desc === 'function') {
+ fn = desc
+ desc = null
+ }
+
+ // register the completion command.
+ completionCommand = cmd || 'completion'
+ if (!desc && desc !== false) {
+ desc = 'generate bash completion script'
+ }
+ self.command(completionCommand, desc)
+
+ // a function can be provided
+ if (fn) completion.registerFunction(fn)
+
+ return self
+ }
+
+ self.showCompletionScript = function ($0) {
+ argsert('[string]', [$0], arguments.length)
+ $0 = $0 || self.$0
+ _logger.log(completion.generateCompletionScript($0, completionCommand))
+ return self
+ }
+
+ self.getCompletion = function (args, done) {
+ argsert('<array> <function>', [args, done], arguments.length)
+ completion.getCompletion(args, done)
+ }
+
+ self.locale = function (locale) {
+ argsert('[string]', [locale], arguments.length)
+ if (arguments.length === 0) {
+ guessLocale()
+ return y18n.getLocale()
+ }
+ detectLocale = false
+ y18n.setLocale(locale)
+ return self
+ }
+
+ self.updateStrings = self.updateLocale = function (obj) {
+ argsert('<object>', [obj], arguments.length)
+ detectLocale = false
+ y18n.updateLocale(obj)
+ return self
+ }
+
+ let detectLocale = true
+ self.detectLocale = function (detect) {
+ argsert('<boolean>', [detect], arguments.length)
+ detectLocale = detect
+ return self
+ }
+ self.getDetectLocale = () => detectLocale
+
+ var hasOutput = false
+ var exitError = null
+ // maybe exit, always capture
+ // context about why we wanted to exit.
+ self.exit = (code, err) => {
+ hasOutput = true
+ exitError = err
+ if (exitProcess) process.exit(code)
+ }
+
+ // we use a custom logger that buffers output,
+ // so that we can print to non-CLIs, e.g., chat-bots.
+ const _logger = {
+ log () {
+ const args = []
+ for (let i = 0; i < arguments.length; i++) args.push(arguments[i])
+ if (!self._hasParseCallback()) console.log.apply(console, args)
+ hasOutput = true
+ if (output.length) output += '\n'
+ output += args.join(' ')
+ },
+ error () {
+ const args = []
+ for (let i = 0; i < arguments.length; i++) args.push(arguments[i])
+ if (!self._hasParseCallback()) console.error.apply(console, args)
+ hasOutput = true
+ if (output.length) output += '\n'
+ output += args.join(' ')
+ }
+ }
+ self._getLoggerInstance = () => _logger
+ // has yargs output an error our help
+ // message in the current execution context.
+ self._hasOutput = () => hasOutput
+
+ self._setHasOutput = () => {
+ hasOutput = true
+ }
+
+ let recommendCommands
+ self.recommendCommands = function (recommend) {
+ argsert('[boolean]', [recommend], arguments.length)
+ recommendCommands = typeof recommend === 'boolean' ? recommend : true
+ return self
+ }
+
+ self.getUsageInstance = () => usage
+
+ self.getValidationInstance = () => validation
+
+ self.getCommandInstance = () => command
+
+ self.terminalWidth = () => {
+ argsert([], 0)
+ return typeof process.stdout.columns !== 'undefined' ? process.stdout.columns : null
+ }
+
+ Object.defineProperty(self, 'argv', {
+ get: () => self._parseArgs(processArgs),
+ enumerable: true
+ })
+
+ self._parseArgs = function parseArgs (args, shortCircuit, _skipValidation, commandIndex) {
+ let skipValidation = !!_skipValidation
+ args = args || processArgs
+
+ options.__ = y18n.__
+ options.configuration = pkgUp()['yargs'] || {}
+
+ const parsed = Parser.detailed(args, options)
+ let argv = parsed.argv
+ if (parseContext) argv = Object.assign({}, argv, parseContext)
+ const aliases = parsed.aliases
+
+ argv.$0 = self.$0
+ self.parsed = parsed
+
+ try {
+ guessLocale() // guess locale lazily, so that it can be turned off in chain.
+
+ // while building up the argv object, there
+ // are two passes through the parser. If completion
+ // is being performed short-circuit on the first pass.
+ if (shortCircuit) {
+ return argv
+ }
+
+ // if there's a handler associated with a
+ // command defer processing to it.
+ if (helpOpt) {
+ // consider any multi-char helpOpt alias as a valid help command
+ // unless all helpOpt aliases are single-char
+ // note that parsed.aliases is a normalized bidirectional map :)
+ const helpCmds = [helpOpt]
+ .concat(aliases[helpOpt] || [])
+ .filter(k => k.length > 1)
+ // check if help should trigger and strip it from _.
+ if (~helpCmds.indexOf(argv._[argv._.length - 1])) {
+ argv._.pop()
+ argv[helpOpt] = true
+ }
+ }
+ const handlerKeys = command.getCommands()
+ const skipDefaultCommand = argv[helpOpt] && (handlerKeys.length > 1 || handlerKeys[0] !== '$0')
+
+ if (argv._.length) {
+ if (handlerKeys.length) {
+ let firstUnknownCommand
+ for (let i = (commandIndex || 0), cmd; argv._[i] !== undefined; i++) {
+ cmd = String(argv._[i])
+ if (~handlerKeys.indexOf(cmd) && cmd !== completionCommand) {
+ setPlaceholderKeys(argv)
+ // commands are executed using a recursive algorithm that executes
+ // the deepest command first; we keep track of the position in the
+ // argv._ array that is currently being executed.
+ return command.runCommand(cmd, self, parsed, i + 1)
+ } else if (!firstUnknownCommand && cmd !== completionCommand) {
+ firstUnknownCommand = cmd
+ break
+ }
+ }
+
+ // run the default command, if defined
+ if (command.hasDefaultCommand() && !skipDefaultCommand) {
+ setPlaceholderKeys(argv)
+ return command.runCommand(null, self, parsed)
+ }
+
+ // recommend a command if recommendCommands() has
+ // been enabled, and no commands were found to execute
+ if (recommendCommands && firstUnknownCommand && !argv[helpOpt]) {
+ validation.recommendCommands(firstUnknownCommand, handlerKeys)
+ }
+ }
+
+ // generate a completion script for adding to ~/.bashrc.
+ if (completionCommand && ~argv._.indexOf(completionCommand) && !argv[completion.completionKey]) {
+ if (exitProcess) setBlocking(true)
+ self.showCompletionScript()
+ self.exit(0)
+ }
+ } else if (command.hasDefaultCommand() && !skipDefaultCommand) {
+ setPlaceholderKeys(argv)
+ return command.runCommand(null, self, parsed)
+ }
+
+ // we must run completions first, a user might
+ // want to complete the --help or --version option.
+ if (completion.completionKey in argv) {
+ if (exitProcess) setBlocking(true)
+
+ // we allow for asynchronous completions,
+ // e.g., loading in a list of commands from an API.
+ const completionArgs = args.slice(args.indexOf(`--${completion.completionKey}`) + 1)
+ completion.getCompletion(completionArgs, (completions) => {
+ ;(completions || []).forEach((completion) => {
+ _logger.log(completion)
+ })
+
+ self.exit(0)
+ })
+ return setPlaceholderKeys(argv)
+ }
+
+ // Handle 'help' and 'version' options
+ // if we haven't already output help!
+ if (!hasOutput) {
+ Object.keys(argv).forEach((key) => {
+ if (key === helpOpt && argv[key]) {
+ if (exitProcess) setBlocking(true)
+
+ skipValidation = true
+ self.showHelp('log')
+ self.exit(0)
+ } else if (key === versionOpt && argv[key]) {
+ if (exitProcess) setBlocking(true)
+
+ skipValidation = true
+ usage.showVersion()
+ self.exit(0)
+ }
+ })
+ }
+
+ // Check if any of the options to skip validation were provided
+ if (!skipValidation && options.skipValidation.length > 0) {
+ skipValidation = Object.keys(argv).some(key => options.skipValidation.indexOf(key) >= 0 && argv[key] === true)
+ }
+
+ // If the help or version options where used and exitProcess is false,
+ // or if explicitly skipped, we won't run validations.
+ if (!skipValidation) {
+ if (parsed.error) throw new YError(parsed.error.message)
+
+ // if we're executed via bash completion, don't
+ // bother with validation.
+ if (!argv[completion.completionKey]) {
+ self._runValidation(argv, aliases, {}, parsed.error)
+ }
+ }
+ } catch (err) {
+ if (err instanceof YError) usage.fail(err.message, err)
+ else throw err
+ }
+
+ return setPlaceholderKeys(argv)
+ }
+
+ self._runValidation = function runValidation (argv, aliases, positionalMap, parseErrors) {
+ if (parseErrors) throw new YError(parseErrors.message)
+ validation.nonOptionCount(argv)
+ validation.requiredArguments(argv)
+ if (strict) validation.unknownArguments(argv, aliases, positionalMap)
+ validation.customChecks(argv, aliases)
+ validation.limitedChoices(argv)
+ validation.implications(argv)
+ validation.conflicting(argv)
+ }
+
+ function guessLocale () {
+ if (!detectLocale) return
+
+ try {
+ const osLocale = require('os-locale')
+ self.locale(osLocale.sync({ spawn: false }))
+ } catch (err) {
+ // if we explode looking up locale just noop
+ // we'll keep using the default language 'en'.
+ }
+ }
+
+ function setPlaceholderKeys (argv) {
+ Object.keys(options.key).forEach((key) => {
+ // don't set placeholder keys for dot
+ // notation options 'foo.bar'.
+ if (~key.indexOf('.')) return
+ if (typeof argv[key] === 'undefined') argv[key] = undefined
+ })
+ return argv
+ }
+
+ // an app should almost always have --version and --help,
+ // if you *really* want to disable this use .help(false)/.version(false).
+ self.help()
+ self.version()
+
+ return self
+}
+
+// rebase an absolute path to a relative one with respect to a base directory
+// exported for tests
+exports.rebase = rebase
+function rebase (base, dir) {
+ return path.relative(base, dir)
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 12:21:39 +0000