1038 lines
27 KiB
JavaScript
1038 lines
27 KiB
JavaScript
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const assign = require('./lib/assign')
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const Command = require('./lib/command')
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const Completion = require('./lib/completion')
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const Parser = require('yargs-parser')
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const path = require('path')
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const Usage = require('./lib/usage')
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const Validation = require('./lib/validation')
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const Y18n = require('y18n')
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const objFilter = require('./lib/obj-filter')
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const setBlocking = require('set-blocking')
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var exports = module.exports = Yargs
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function Yargs (processArgs, cwd, parentRequire) {
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processArgs = processArgs || [] // handle calling yargs().
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const self = {}
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var command = null
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var completion = null
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var groups = {}
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var output = ''
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var preservedGroups = {}
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var usage = null
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var validation = null
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const y18n = Y18n({
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directory: path.resolve(__dirname, './locales'),
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updateFiles: false
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})
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if (!cwd) cwd = process.cwd()
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self.$0 = process.argv
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.slice(0, 2)
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.map(function (x, i) {
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// ignore the node bin, specify this in your
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// bin file with #!/usr/bin/env node
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if (i === 0 && /\b(node|iojs)(\.exe)?$/.test(x)) return
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var b = rebase(cwd, x)
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return x.match(/^(\/|([a-zA-Z]:)?\\)/) && b.length < x.length ? b : x
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})
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.join(' ').trim()
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if (process.env._ !== undefined && process.argv[1] === process.env._) {
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self.$0 = process.env._.replace(
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path.dirname(process.execPath) + '/', ''
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)
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}
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// use context object to keep track of resets, subcommand execution, etc
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// submodules should modify and check the state of context as necessary
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const context = { resets: -1, commands: [], files: [] }
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self.getContext = function () {
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return context
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}
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// puts yargs back into an initial state. any keys
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// that have been set to "global" will not be reset
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// by this action.
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var options
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self.resetOptions = self.reset = function (aliases) {
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context.resets++
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aliases = aliases || {}
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options = options || {}
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// put yargs back into an initial state, this
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// logic is used to build a nested command
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// hierarchy.
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var tmpOptions = {}
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tmpOptions.global = options.global ? options.global : []
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tmpOptions.configObjects = options.configObjects ? options.configObjects : []
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// if a key has been set as a global, we
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// do not want to reset it or its aliases.
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var globalLookup = {}
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tmpOptions.global.forEach(function (g) {
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globalLookup[g] = true
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;(aliases[g] || []).forEach(function (a) {
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globalLookup[a] = true
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})
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})
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// preserve groups containing global keys
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preservedGroups = Object.keys(groups).reduce(function (acc, groupName) {
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var keys = groups[groupName].filter(function (key) {
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return key in globalLookup
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})
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if (keys.length > 0) {
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acc[groupName] = keys
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}
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return acc
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}, {})
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// groups can now be reset
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groups = {}
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var arrayOptions = [
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'array', 'boolean', 'string', 'requiresArg', 'skipValidation',
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'count', 'normalize', 'number'
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]
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var objectOptions = [
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'narg', 'key', 'alias', 'default', 'defaultDescription',
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'config', 'choices', 'demandedOptions', 'demandedCommands', 'coerce'
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]
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arrayOptions.forEach(function (k) {
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tmpOptions[k] = (options[k] || []).filter(function (k) {
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return globalLookup[k]
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})
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})
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objectOptions.forEach(function (k) {
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tmpOptions[k] = objFilter(options[k], function (k, v) {
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return globalLookup[k]
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})
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})
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tmpOptions.envPrefix = options.envPrefix
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options = tmpOptions
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// if this is the first time being executed, create
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// instances of all our helpers -- otherwise just reset.
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usage = usage ? usage.reset(globalLookup) : Usage(self, y18n)
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validation = validation ? validation.reset(globalLookup) : Validation(self, usage, y18n)
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command = command ? command.reset() : Command(self, usage, validation)
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if (!completion) completion = Completion(self, usage, command)
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strict = false
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completionCommand = null
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output = ''
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exitError = null
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hasOutput = false
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self.parsed = false
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return self
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}
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self.resetOptions()
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// temporary hack: allow "freezing" of reset-able state for parse(msg, cb)
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var frozen
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function freeze () {
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frozen = {}
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frozen.options = options
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frozen.configObjects = options.configObjects.slice(0)
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frozen.exitProcess = exitProcess
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frozen.groups = groups
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usage.freeze()
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validation.freeze()
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command.freeze()
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frozen.strict = strict
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frozen.completionCommand = completionCommand
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frozen.output = output
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frozen.exitError = exitError
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frozen.hasOutput = hasOutput
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frozen.parsed = self.parsed
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}
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function unfreeze () {
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options = frozen.options
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options.configObjects = frozen.configObjects
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exitProcess = frozen.exitProcess
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groups = frozen.groups
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output = frozen.output
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exitError = frozen.exitError
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hasOutput = frozen.hasOutput
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self.parsed = frozen.parsed
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usage.unfreeze()
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validation.unfreeze()
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command.unfreeze()
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strict = frozen.strict
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completionCommand = frozen.completionCommand
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parseFn = null
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parseContext = null
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frozen = undefined
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}
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self.boolean = function (bools) {
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options.boolean.push.apply(options.boolean, [].concat(bools))
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return self
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}
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self.array = function (arrays) {
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options.array.push.apply(options.array, [].concat(arrays))
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return self
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}
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self.nargs = function (key, n) {
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if (typeof key === 'object') {
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Object.keys(key).forEach(function (k) {
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self.nargs(k, key[k])
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})
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} else {
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options.narg[key] = n
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}
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return self
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}
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self.number = function (numbers) {
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options.number.push.apply(options.number, [].concat(numbers))
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return self
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}
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self.choices = function (key, values) {
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if (typeof key === 'object') {
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Object.keys(key).forEach(function (k) {
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self.choices(k, key[k])
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})
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} else {
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options.choices[key] = (options.choices[key] || []).concat(values)
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}
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return self
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}
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self.normalize = function (strings) {
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options.normalize.push.apply(options.normalize, [].concat(strings))
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return self
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}
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self.config = function (key, msg, parseFn) {
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// allow to pass a configuration object
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if (typeof key === 'object') {
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options.configObjects = (options.configObjects || []).concat(key)
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return self
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}
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// allow to provide a parsing function
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if (typeof msg === 'function') {
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parseFn = msg
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msg = null
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}
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key = key || 'config'
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self.describe(key, msg || usage.deferY18nLookup('Path to JSON config file'))
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;(Array.isArray(key) ? key : [key]).forEach(function (k) {
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options.config[k] = parseFn || true
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})
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return self
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}
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self.example = function (cmd, description) {
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usage.example(cmd, description)
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return self
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}
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self.command = function (cmd, description, builder, handler) {
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command.addHandler(cmd, description, builder, handler)
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return self
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}
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self.commandDir = function (dir, opts) {
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const req = parentRequire || require
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command.addDirectory(dir, self.getContext(), req, require('get-caller-file')(), opts)
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return self
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}
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self.string = function (strings) {
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options.string.push.apply(options.string, [].concat(strings))
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return self
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}
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// The 'defaults' alias is deprecated. It will be removed in the next major version.
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self.default = self.defaults = function (key, value, defaultDescription) {
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if (typeof key === 'object') {
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Object.keys(key).forEach(function (k) {
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self.default(k, key[k])
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})
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} else {
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if (defaultDescription) options.defaultDescription[key] = defaultDescription
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if (typeof value === 'function') {
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if (!options.defaultDescription[key]) options.defaultDescription[key] = usage.functionDescription(value)
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value = value.call()
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}
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options.default[key] = value
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}
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return self
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}
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self.alias = function (x, y) {
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if (typeof x === 'object') {
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Object.keys(x).forEach(function (key) {
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self.alias(key, x[key])
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})
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} else {
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options.alias[x] = (options.alias[x] || []).concat(y)
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}
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return self
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}
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self.coerce = function (key, fn) {
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if (typeof key === 'object' && !Array.isArray(key)) {
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Object.keys(key).forEach(function (k) {
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self.coerce(k, key[k])
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})
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} else {
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[].concat(key).forEach(function (k) {
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options.coerce[k] = fn
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})
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}
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return self
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}
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self.count = function (counts) {
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options.count.push.apply(options.count, [].concat(counts))
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return self
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}
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// deprecated: the demand API is too overloaded, and is being
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// deprecated in favor of .demandCommand() .demandOption().
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self.demand = self.required = self.require = function (keys, max, msg) {
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// you can optionally provide a 'max' key,
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// which will raise an exception if too many '_'
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// options are provided.
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if (Array.isArray(max)) {
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max.forEach(function (key) {
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self.demandOption(key, msg)
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})
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max = Infinity
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} else if (typeof max !== 'number') {
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msg = max
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max = Infinity
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}
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if (typeof keys === 'number') {
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self.demandCommand(keys, max, msg)
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} else if (Array.isArray(keys)) {
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keys.forEach(function (key) {
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self.demandOption(key, msg)
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})
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} else {
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if (typeof msg === 'string') {
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self.demandOption(keys, msg)
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} else if (msg === true || typeof msg === 'undefined') {
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self.demandOption(keys)
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}
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}
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return self
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}
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self.demandOption = function (key, msg) {
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if (Array.isArray(key)) {
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key.forEach(function (key) {
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self.demandOption(key, msg)
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})
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} else {
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if (typeof msg === 'string') {
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options.demandedOptions[key] = { msg: msg }
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// allow edge-case of options: {a: {demand: true}, b: {demand: false}}
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} else if (msg === true || typeof msg === 'undefined') {
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options.demandedOptions[key] = { msg: undefined }
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}
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}
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return self
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}
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self.demandCommand = function (min, max, minMsg, maxMsg) {
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if (typeof max !== 'number') {
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minMsg = max
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max = Infinity
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}
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options.demandedCommands._ = {
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min: min,
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max: max,
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minMsg: minMsg,
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maxMsg: maxMsg
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}
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return self
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}
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self.getDemandedOptions = function () {
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return options.demandedOptions
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}
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self.getDemandedCommands = function () {
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return options.demandedCommands
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}
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self.requiresArg = function (requiresArgs) {
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options.requiresArg.push.apply(options.requiresArg, [].concat(requiresArgs))
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return self
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}
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self.skipValidation = function (skipValidations) {
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options.skipValidation.push.apply(options.skipValidation, [].concat(skipValidations))
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return self
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}
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self.implies = function (key, value) {
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validation.implies(key, value)
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return self
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}
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self.conflicts = function (key1, key2) {
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validation.conflicts(key1, key2)
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return self
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}
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self.usage = function (msg, opts) {
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|
|
if (!opts && typeof msg === 'object') {
|
||
|
|
opts = msg
|
||
|
|
msg = null
|
||
|
|
}
|
||
|
|
|
||
|
|
usage.usage(msg)
|
||
|
|
|
||
|
|
if (opts) self.options(opts)
|
||
|
|
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.epilogue = self.epilog = function (msg) {
|
||
|
|
usage.epilog(msg)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.fail = function (f) {
|
||
|
|
usage.failFn(f)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.check = function (f) {
|
||
|
|
validation.check(f)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.describe = function (key, desc) {
|
||
|
|
if (typeof key === 'object') {
|
||
|
|
Object.keys(key).forEach(function (k) {
|
||
|
|
options.key[k] = true
|
||
|
|
})
|
||
|
|
} else {
|
||
|
|
options.key[key] = true
|
||
|
|
}
|
||
|
|
usage.describe(key, desc)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.global = function (globals) {
|
||
|
|
options.global.push.apply(options.global, [].concat(globals))
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.pkgConf = function (key, path) {
|
||
|
|
var conf = null
|
||
|
|
|
||
|
|
var obj = pkgUp(path)
|
||
|
|
|
||
|
|
// If an object exists in the key, add it to options.configObjects
|
||
|
|
if (obj[key] && typeof obj[key] === 'object') {
|
||
|
|
conf = obj[key]
|
||
|
|
options.configObjects = (options.configObjects || []).concat(conf)
|
||
|
|
}
|
||
|
|
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
var pkgs = {}
|
||
|
|
function pkgUp (path) {
|
||
|
|
var npath = path || '*'
|
||
|
|
if (pkgs[npath]) return pkgs[npath]
|
||
|
|
const readPkgUp = require('read-pkg-up')
|
||
|
|
|
||
|
|
var obj = {}
|
||
|
|
try {
|
||
|
|
obj = readPkgUp.sync({
|
||
|
|
cwd: path || require('require-main-filename')(parentRequire || require),
|
||
|
|
normalize: false
|
||
|
|
})
|
||
|
|
} catch (noop) {}
|
||
|
|
|
||
|
|
pkgs[npath] = obj.pkg || {}
|
||
|
|
return pkgs[npath]
|
||
|
|
}
|
||
|
|
|
||
|
|
var parseFn = null
|
||
|
|
var parseContext = null
|
||
|
|
self.parse = function (args, shortCircuit, _parseFn) {
|
||
|
|
// 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
|
||
|
|
|
||
|
|
var parsed = parseArgs(args, shortCircuit)
|
||
|
|
if (parseFn) parseFn(exitError, parsed, output)
|
||
|
|
unfreeze()
|
||
|
|
|
||
|
|
return parsed
|
||
|
|
}
|
||
|
|
|
||
|
|
self._hasParseCallback = function () {
|
||
|
|
return !!parseFn
|
||
|
|
}
|
||
|
|
|
||
|
|
self.option = self.options = function (key, opt) {
|
||
|
|
if (typeof key === 'object') {
|
||
|
|
Object.keys(key).forEach(function (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)
|
||
|
|
|
||
|
|
var demand = opt.demand || opt.required || opt.require
|
||
|
|
|
||
|
|
if (demand) {
|
||
|
|
self.demand(key, demand)
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('demandOption' in opt) {
|
||
|
|
self.demandOption(key, opt.demandOption)
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('config' in opt) {
|
||
|
|
self.config(key, opt.configParser)
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('default' in opt) {
|
||
|
|
self.default(key, opt.default)
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('nargs' in opt) {
|
||
|
|
self.nargs(key, opt.nargs)
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('normalize' in opt) {
|
||
|
|
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.global) {
|
||
|
|
self.global(key)
|
||
|
|
}
|
||
|
|
|
||
|
|
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 (opt.defaultDescription) {
|
||
|
|
options.defaultDescription[key] = opt.defaultDescription
|
||
|
|
}
|
||
|
|
|
||
|
|
if (opt.skipValidation) {
|
||
|
|
self.skipValidation(key)
|
||
|
|
}
|
||
|
|
|
||
|
|
var desc = opt.describe || opt.description || opt.desc
|
||
|
|
if (desc) {
|
||
|
|
self.describe(key, desc)
|
||
|
|
}
|
||
|
|
|
||
|
|
if (opt.requiresArg) {
|
||
|
|
self.requiresArg(key)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
self.getOptions = function () {
|
||
|
|
return options
|
||
|
|
}
|
||
|
|
|
||
|
|
self.group = function (opts, groupName) {
|
||
|
|
var existing = preservedGroups[groupName] || groups[groupName]
|
||
|
|
if (preservedGroups[groupName]) {
|
||
|
|
// the preserved group will be moved to the set of explicitly declared
|
||
|
|
// groups
|
||
|
|
delete preservedGroups[groupName]
|
||
|
|
}
|
||
|
|
|
||
|
|
var seen = {}
|
||
|
|
groups[groupName] = (existing || []).concat(opts).filter(function (key) {
|
||
|
|
if (seen[key]) return false
|
||
|
|
return (seen[key] = true)
|
||
|
|
})
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
self.getGroups = function () {
|
||
|
|
// combine explicit and preserved groups. explicit groups should be first
|
||
|
|
return assign(groups, preservedGroups)
|
||
|
|
}
|
||
|
|
|
||
|
|
// as long as options.envPrefix is not undefined,
|
||
|
|
// parser will apply env vars matching prefix to argv
|
||
|
|
self.env = function (prefix) {
|
||
|
|
if (prefix === false) options.envPrefix = undefined
|
||
|
|
else options.envPrefix = prefix || ''
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.wrap = function (cols) {
|
||
|
|
usage.wrap(cols)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
var strict = false
|
||
|
|
self.strict = function () {
|
||
|
|
strict = true
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
self.getStrict = function () {
|
||
|
|
return strict
|
||
|
|
}
|
||
|
|
|
||
|
|
self.showHelp = function (level) {
|
||
|
|
if (!self.parsed) parseArgs(processArgs) // run parser, if it has not already been executed.
|
||
|
|
usage.showHelp(level)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
var versionOpt = null
|
||
|
|
self.version = function (opt, msg, ver) {
|
||
|
|
if (arguments.length === 0) {
|
||
|
|
ver = guessVersion()
|
||
|
|
opt = 'version'
|
||
|
|
} else if (arguments.length === 1) {
|
||
|
|
ver = opt
|
||
|
|
opt = 'version'
|
||
|
|
} else if (arguments.length === 2) {
|
||
|
|
ver = msg
|
||
|
|
}
|
||
|
|
|
||
|
|
versionOpt = opt
|
||
|
|
msg = msg || usage.deferY18nLookup('Show version number')
|
||
|
|
|
||
|
|
usage.version(ver || undefined)
|
||
|
|
self.boolean(versionOpt)
|
||
|
|
self.global(versionOpt)
|
||
|
|
self.describe(versionOpt, msg)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
function guessVersion () {
|
||
|
|
var obj = pkgUp()
|
||
|
|
|
||
|
|
return obj.version || 'unknown'
|
||
|
|
}
|
||
|
|
|
||
|
|
var helpOpt = null
|
||
|
|
var useHelpOptAsCommand = false // a call to .help() will enable this
|
||
|
|
self.addHelpOpt = self.help = function (opt, msg, addImplicitCmd) {
|
||
|
|
// argument shuffle
|
||
|
|
if (arguments.length === 0) {
|
||
|
|
useHelpOptAsCommand = true
|
||
|
|
} else if (arguments.length === 1) {
|
||
|
|
if (typeof opt === 'boolean') {
|
||
|
|
useHelpOptAsCommand = opt
|
||
|
|
opt = null
|
||
|
|
} else {
|
||
|
|
useHelpOptAsCommand = true
|
||
|
|
}
|
||
|
|
} else if (arguments.length === 2) {
|
||
|
|
if (typeof msg === 'boolean') {
|
||
|
|
useHelpOptAsCommand = msg
|
||
|
|
msg = null
|
||
|
|
} else {
|
||
|
|
useHelpOptAsCommand = true
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
useHelpOptAsCommand = Boolean(addImplicitCmd)
|
||
|
|
}
|
||
|
|
// use arguments, fallback to defaults for opt and msg
|
||
|
|
helpOpt = opt || 'help'
|
||
|
|
self.boolean(helpOpt)
|
||
|
|
self.global(helpOpt)
|
||
|
|
self.describe(helpOpt, msg || usage.deferY18nLookup('Show help'))
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.showHelpOnFail = function (enabled, message) {
|
||
|
|
usage.showHelpOnFail(enabled, message)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
var exitProcess = true
|
||
|
|
self.exitProcess = function (enabled) {
|
||
|
|
if (typeof enabled !== 'boolean') {
|
||
|
|
enabled = true
|
||
|
|
}
|
||
|
|
exitProcess = enabled
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
self.getExitProcess = function () {
|
||
|
|
return exitProcess
|
||
|
|
}
|
||
|
|
|
||
|
|
var completionCommand = null
|
||
|
|
self.completion = function (cmd, desc, fn) {
|
||
|
|
// 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) {
|
||
|
|
$0 = $0 || self.$0
|
||
|
|
_logger.log(completion.generateCompletionScript($0))
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.getCompletion = function (args, done) {
|
||
|
|
completion.getCompletion(args, done)
|
||
|
|
}
|
||
|
|
|
||
|
|
self.locale = function (locale) {
|
||
|
|
if (arguments.length === 0) {
|
||
|
|
guessLocale()
|
||
|
|
return y18n.getLocale()
|
||
|
|
}
|
||
|
|
detectLocale = false
|
||
|
|
y18n.setLocale(locale)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.updateStrings = self.updateLocale = function (obj) {
|
||
|
|
detectLocale = false
|
||
|
|
y18n.updateLocale(obj)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
var detectLocale = true
|
||
|
|
self.detectLocale = function (detect) {
|
||
|
|
detectLocale = detect
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
self.getDetectLocale = function () {
|
||
|
|
return detectLocale
|
||
|
|
}
|
||
|
|
|
||
|
|
var hasOutput = false
|
||
|
|
var exitError = null
|
||
|
|
// maybe exit, always capture
|
||
|
|
// context about why we wanted to exit.
|
||
|
|
self.exit = function (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.
|
||
|
|
var _logger = {
|
||
|
|
log: function () {
|
||
|
|
var args = Array.prototype.slice.call(arguments)
|
||
|
|
if (!self._hasParseCallback()) console.log.apply(console, args)
|
||
|
|
hasOutput = true
|
||
|
|
if (output.length) output += '\n'
|
||
|
|
output += args.join(' ')
|
||
|
|
},
|
||
|
|
error: function () {
|
||
|
|
var args = Array.prototype.slice.call(arguments)
|
||
|
|
if (!self._hasParseCallback()) console.error.apply(console, args)
|
||
|
|
hasOutput = true
|
||
|
|
if (output.length) output += '\n'
|
||
|
|
output += args.join(' ')
|
||
|
|
}
|
||
|
|
}
|
||
|
|
self._getLoggerInstance = function () {
|
||
|
|
return _logger
|
||
|
|
}
|
||
|
|
// has yargs output an error our help
|
||
|
|
// message in the current execution context.
|
||
|
|
self._hasOutput = function () {
|
||
|
|
return hasOutput
|
||
|
|
}
|
||
|
|
|
||
|
|
var recommendCommands
|
||
|
|
self.recommendCommands = function () {
|
||
|
|
recommendCommands = true
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.getUsageInstance = function () {
|
||
|
|
return usage
|
||
|
|
}
|
||
|
|
|
||
|
|
self.getValidationInstance = function () {
|
||
|
|
return validation
|
||
|
|
}
|
||
|
|
|
||
|
|
self.getCommandInstance = function () {
|
||
|
|
return command
|
||
|
|
}
|
||
|
|
|
||
|
|
self.terminalWidth = function () {
|
||
|
|
return process.stdout.columns
|
||
|
|
}
|
||
|
|
|
||
|
|
Object.defineProperty(self, 'argv', {
|
||
|
|
get: function () {
|
||
|
|
var args = null
|
||
|
|
|
||
|
|
try {
|
||
|
|
args = parseArgs(processArgs)
|
||
|
|
} catch (err) {
|
||
|
|
usage.fail(err.message, err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return args
|
||
|
|
},
|
||
|
|
enumerable: true
|
||
|
|
})
|
||
|
|
|
||
|
|
function parseArgs (args, shortCircuit) {
|
||
|
|
options.__ = y18n.__
|
||
|
|
options.configuration = pkgUp()['yargs'] || {}
|
||
|
|
const parsed = Parser.detailed(args, options)
|
||
|
|
var argv = parsed.argv
|
||
|
|
if (parseContext) argv = assign(parseContext, argv)
|
||
|
|
var aliases = parsed.aliases
|
||
|
|
|
||
|
|
argv.$0 = self.$0
|
||
|
|
self.parsed = parsed
|
||
|
|
|
||
|
|
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 (argv._.length) {
|
||
|
|
// check for helpOpt in argv._ before running commands
|
||
|
|
// assumes helpOpt must be valid if useHelpOptAsCommand is true
|
||
|
|
if (useHelpOptAsCommand) {
|
||
|
|
// 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 :)
|
||
|
|
var helpCmds = [helpOpt].concat(aliases[helpOpt])
|
||
|
|
var multiCharHelpCmds = helpCmds.filter(function (k) {
|
||
|
|
return k.length > 1
|
||
|
|
})
|
||
|
|
if (multiCharHelpCmds.length) helpCmds = multiCharHelpCmds
|
||
|
|
// look for and strip any helpCmds from argv._
|
||
|
|
argv._ = argv._.filter(function (cmd) {
|
||
|
|
if (~helpCmds.indexOf(cmd)) {
|
||
|
|
argv[helpOpt] = true
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
return true
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
// if there's a handler associated with a
|
||
|
|
// command defer processing to it.
|
||
|
|
var handlerKeys = command.getCommands()
|
||
|
|
if (handlerKeys.length) {
|
||
|
|
var firstUnknownCommand
|
||
|
|
for (var i = 0, cmd; (cmd = argv._[i]) !== undefined; i++) {
|
||
|
|
if (~handlerKeys.indexOf(cmd) && cmd !== completionCommand) {
|
||
|
|
setPlaceholderKeys(argv)
|
||
|
|
return command.runCommand(cmd, self, parsed)
|
||
|
|
} else if (!firstUnknownCommand && cmd !== completionCommand) {
|
||
|
|
firstUnknownCommand = cmd
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// recommend a command if recommendCommands() has
|
||
|
|
// been enabled, and no commands were found to execute
|
||
|
|
if (recommendCommands && firstUnknownCommand) {
|
||
|
|
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)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// 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.
|
||
|
|
var completionArgs = args.slice(args.indexOf('--' + completion.completionKey) + 1)
|
||
|
|
completion.getCompletion(completionArgs, function (completions) {
|
||
|
|
;(completions || []).forEach(function (completion) {
|
||
|
|
_logger.log(completion)
|
||
|
|
})
|
||
|
|
|
||
|
|
self.exit(0)
|
||
|
|
})
|
||
|
|
return setPlaceholderKeys(argv)
|
||
|
|
}
|
||
|
|
|
||
|
|
var skipValidation = false
|
||
|
|
|
||
|
|
// Handle 'help' and 'version' options
|
||
|
|
Object.keys(argv).forEach(function (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(function (key) {
|
||
|
|
return 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 parsed.error
|
||
|
|
|
||
|
|
// if we're executed via bash completion, don't
|
||
|
|
// bother with validation.
|
||
|
|
if (!argv[completion.completionKey]) {
|
||
|
|
validation.nonOptionCount(argv)
|
||
|
|
validation.missingArgumentValue(argv)
|
||
|
|
validation.requiredArguments(argv)
|
||
|
|
if (strict) validation.unknownArguments(argv, aliases)
|
||
|
|
validation.customChecks(argv, aliases)
|
||
|
|
validation.limitedChoices(argv)
|
||
|
|
validation.implications(argv)
|
||
|
|
validation.conflicting(argv)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return setPlaceholderKeys(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(function (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
|
||
|
|
}
|
||
|
|
|
||
|
|
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)
|
||
|
|
}
|