666 lines
17 KiB
JavaScript
666 lines
17 KiB
JavaScript
|
var assert = require('assert')
|
||
|
|
var Completion = require('./lib/completion')
|
||
|
|
var Parser = require('./lib/parser')
|
||
|
|
var path = require('path')
|
||
|
|
var tokenizeArgString = require('./lib/tokenize-arg-string')
|
||
|
|
var Usage = require('./lib/usage')
|
||
|
|
var Validation = require('./lib/validation')
|
||
|
|
var Y18n = require('y18n')
|
||
|
|
|
||
|
|
Argv(process.argv.slice(2))
|
||
|
|
|
||
|
|
var exports = module.exports = Argv
|
||
|
|
function Argv (processArgs, cwd) {
|
||
|
|
processArgs = processArgs || [] // handle calling yargs().
|
||
|
|
|
||
|
|
var self = {}
|
||
|
|
var completion = null
|
||
|
|
var usage = null
|
||
|
|
var validation = null
|
||
|
|
var y18n = Y18n({
|
||
|
|
directory: path.resolve(__dirname, './locales'),
|
||
|
|
updateFiles: false
|
||
|
|
})
|
||
|
|
|
||
|
|
if (!cwd) cwd = process.cwd()
|
||
|
|
|
||
|
|
self.$0 = process.argv
|
||
|
|
.slice(0, 2)
|
||
|
|
.map(function (x, i) {
|
||
|
|
// ignore the node bin, specify this in your
|
||
|
|
// bin file with #!/usr/bin/env node
|
||
|
|
if (i === 0 && /\b(node|iojs)$/.test(x)) return
|
||
|
|
var b = rebase(cwd, x)
|
||
|
|
return x.match(/^\//) && 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) + '/', ''
|
||
|
|
)
|
||
|
|
}
|
||
|
|
|
||
|
|
var options
|
||
|
|
self.resetOptions = self.reset = function () {
|
||
|
|
// put yargs back into its initial
|
||
|
|
// state, this is useful for creating a
|
||
|
|
// nested CLI.
|
||
|
|
options = {
|
||
|
|
array: [],
|
||
|
|
boolean: [],
|
||
|
|
string: [],
|
||
|
|
narg: {},
|
||
|
|
key: {},
|
||
|
|
alias: {},
|
||
|
|
default: {},
|
||
|
|
defaultDescription: {},
|
||
|
|
choices: {},
|
||
|
|
requiresArg: [],
|
||
|
|
count: [],
|
||
|
|
normalize: [],
|
||
|
|
config: {},
|
||
|
|
envPrefix: undefined
|
||
|
|
}
|
||
|
|
|
||
|
|
usage = Usage(self, y18n) // handle usage output.
|
||
|
|
validation = Validation(self, usage, y18n) // handle arg validation.
|
||
|
|
completion = Completion(self, usage)
|
||
|
|
|
||
|
|
demanded = {}
|
||
|
|
groups = {}
|
||
|
|
|
||
|
|
exitProcess = true
|
||
|
|
strict = false
|
||
|
|
helpOpt = null
|
||
|
|
versionOpt = null
|
||
|
|
commandHandlers = {}
|
||
|
|
self.parsed = false
|
||
|
|
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
self.resetOptions()
|
||
|
|
|
||
|
|
self.boolean = function (bools) {
|
||
|
|
options.boolean.push.apply(options.boolean, [].concat(bools))
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.array = function (arrays) {
|
||
|
|
options.array.push.apply(options.array, [].concat(arrays))
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.nargs = function (key, n) {
|
||
|
|
if (typeof key === 'object') {
|
||
|
|
Object.keys(key).forEach(function (k) {
|
||
|
|
self.nargs(k, key[k])
|
||
|
|
})
|
||
|
|
} else {
|
||
|
|
options.narg[key] = n
|
||
|
|
}
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.choices = function (key, values) {
|
||
|
|
if (typeof key === 'object') {
|
||
|
|
Object.keys(key).forEach(function (k) {
|
||
|
|
self.choices(k, key[k])
|
||
|
|
})
|
||
|
|
} else {
|
||
|
|
options.choices[key] = (options.choices[key] || []).concat(values)
|
||
|
|
}
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.normalize = function (strings) {
|
||
|
|
options.normalize.push.apply(options.normalize, [].concat(strings))
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.config = function (key, msg, parseFn) {
|
||
|
|
if (typeof msg === 'function') {
|
||
|
|
parseFn = msg
|
||
|
|
msg = null
|
||
|
|
}
|
||
|
|
self.describe(key, msg || usage.deferY18nLookup('Path to JSON config file'))
|
||
|
|
;(Array.isArray(key) ? key : [key]).forEach(function (k) {
|
||
|
|
options.config[k] = parseFn || true
|
||
|
|
})
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.example = function (cmd, description) {
|
||
|
|
usage.example(cmd, description)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.command = function (cmd, description, fn) {
|
||
|
|
if (description !== false) {
|
||
|
|
usage.command(cmd, description)
|
||
|
|
}
|
||
|
|
if (fn) commandHandlers[cmd] = fn
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
var commandHandlers = {}
|
||
|
|
self.getCommandHandlers = function () {
|
||
|
|
return commandHandlers
|
||
|
|
}
|
||
|
|
|
||
|
|
self.string = function (strings) {
|
||
|
|
options.string.push.apply(options.string, [].concat(strings))
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.default = function (key, value, defaultDescription) {
|
||
|
|
if (typeof key === 'object') {
|
||
|
|
Object.keys(key).forEach(function (k) {
|
||
|
|
self.default(k, key[k])
|
||
|
|
})
|
||
|
|
} else {
|
||
|
|
if (defaultDescription) options.defaultDescription[key] = defaultDescription
|
||
|
|
if (typeof value === 'function') {
|
||
|
|
if (!options.defaultDescription[key]) options.defaultDescription[key] = usage.functionDescription(value)
|
||
|
|
value = value.call()
|
||
|
|
}
|
||
|
|
options.default[key] = value
|
||
|
|
}
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.alias = function (x, y) {
|
||
|
|
if (typeof x === 'object') {
|
||
|
|
Object.keys(x).forEach(function (key) {
|
||
|
|
self.alias(key, x[key])
|
||
|
|
})
|
||
|
|
} else {
|
||
|
|
// perhaps 'x' is already an alias in another list?
|
||
|
|
// if so we should append to x's list.
|
||
|
|
var aliases = null
|
||
|
|
Object.keys(options.alias).forEach(function (key) {
|
||
|
|
if (~options.alias[key].indexOf(x)) aliases = options.alias[key]
|
||
|
|
})
|
||
|
|
|
||
|
|
if (aliases) { // x was an alias itself.
|
||
|
|
aliases.push(y)
|
||
|
|
} else { // x is a new alias key.
|
||
|
|
options.alias[x] = (options.alias[x] || []).concat(y)
|
||
|
|
}
|
||
|
|
|
||
|
|
// wait! perhaps we've created two lists of aliases
|
||
|
|
// that reference each other?
|
||
|
|
if (options.alias[y]) {
|
||
|
|
Array.prototype.push.apply((options.alias[x] || aliases), options.alias[y])
|
||
|
|
delete options.alias[y]
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.count = function (counts) {
|
||
|
|
options.count.push.apply(options.count, [].concat(counts))
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
var demanded = {}
|
||
|
|
self.demand = self.required = self.require = function (keys, max, msg) {
|
||
|
|
// you can optionally provide a 'max' key,
|
||
|
|
// which will raise an exception if too many '_'
|
||
|
|
// options are provided.
|
||
|
|
if (typeof max !== 'number') {
|
||
|
|
msg = max
|
||
|
|
max = Infinity
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof keys === 'number') {
|
||
|
|
if (!demanded._) demanded._ = { count: 0, msg: null, max: max }
|
||
|
|
demanded._.count = keys
|
||
|
|
demanded._.msg = msg
|
||
|
|
} else if (Array.isArray(keys)) {
|
||
|
|
keys.forEach(function (key) {
|
||
|
|
self.demand(key, msg)
|
||
|
|
})
|
||
|
|
} else {
|
||
|
|
if (typeof msg === 'string') {
|
||
|
|
demanded[keys] = { msg: msg }
|
||
|
|
} else if (msg === true || typeof msg === 'undefined') {
|
||
|
|
demanded[keys] = { msg: undefined }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
self.getDemanded = function () {
|
||
|
|
return demanded
|
||
|
|
}
|
||
|
|
|
||
|
|
self.requiresArg = function (requiresArgs) {
|
||
|
|
options.requiresArg.push.apply(options.requiresArg, [].concat(requiresArgs))
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.implies = function (key, value) {
|
||
|
|
validation.implies(key, value)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.usage = function (msg, opts) {
|
||
|
|
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.defaults = self.default
|
||
|
|
|
||
|
|
self.describe = function (key, desc) {
|
||
|
|
options.key[key] = true
|
||
|
|
usage.describe(key, desc)
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
self.parse = function (args) {
|
||
|
|
return parseArgs(args)
|
||
|
|
}
|
||
|
|
|
||
|
|
self.option = self.options = function (key, opt) {
|
||
|
|
if (typeof key === 'object') {
|
||
|
|
Object.keys(key).forEach(function (k) {
|
||
|
|
self.options(k, key[k])
|
||
|
|
})
|
||
|
|
} else {
|
||
|
|
assert(typeof opt === 'object', 'second argument to option must be an object')
|
||
|
|
|
||
|
|
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 ('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 ('choices' in opt) {
|
||
|
|
self.choices(key, opt.choices)
|
||
|
|
} 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.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
|
||
|
|
}
|
||
|
|
|
||
|
|
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
|
||
|
|
}
|
||
|
|
|
||
|
|
var groups = {}
|
||
|
|
self.group = function (opts, groupName) {
|
||
|
|
var seen = {}
|
||
|
|
groups[groupName] = (groups[groupName] || []).concat(opts).filter(function (key) {
|
||
|
|
if (seen[key]) return false
|
||
|
|
return (seen[key] = true)
|
||
|
|
})
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
self.getGroups = function () {
|
||
|
|
return groups
|
||
|
|
}
|
||
|
|
|
||
|
|
// 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 (ver, opt, msg) {
|
||
|
|
versionOpt = opt || 'version'
|
||
|
|
usage.version(ver)
|
||
|
|
self.boolean(versionOpt)
|
||
|
|
self.describe(versionOpt, msg || usage.deferY18nLookup('Show version number'))
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
var helpOpt = null
|
||
|
|
self.addHelpOpt = function (opt, msg) {
|
||
|
|
helpOpt = opt
|
||
|
|
self.boolean(opt)
|
||
|
|
self.describe(opt, 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
|
||
|
|
}
|
||
|
|
|
||
|
|
self.help = function () {
|
||
|
|
if (arguments.length > 0) return self.addHelpOpt.apply(self, arguments)
|
||
|
|
|
||
|
|
if (!self.parsed) parseArgs(processArgs) // run parser, if it has not already been executed.
|
||
|
|
|
||
|
|
return usage.help()
|
||
|
|
}
|
||
|
|
|
||
|
|
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
|
||
|
|
console.log(completion.generateCompletionScript($0))
|
||
|
|
return self
|
||
|
|
}
|
||
|
|
|
||
|
|
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
|
||
|
|
}
|
||
|
|
|
||
|
|
self.getUsageInstance = function () {
|
||
|
|
return usage
|
||
|
|
}
|
||
|
|
|
||
|
|
self.getValidationInstance = function () {
|
||
|
|
return validation
|
||
|
|
}
|
||
|
|
|
||
|
|
self.terminalWidth = function () {
|
||
|
|
return require('window-size').width
|
||
|
|
}
|
||
|
|
|
||
|
|
Object.defineProperty(self, 'argv', {
|
||
|
|
get: function () {
|
||
|
|
var args = null
|
||
|
|
|
||
|
|
try {
|
||
|
|
args = parseArgs(processArgs)
|
||
|
|
} catch (err) {
|
||
|
|
usage.fail(err.message)
|
||
|
|
}
|
||
|
|
|
||
|
|
return args
|
||
|
|
},
|
||
|
|
enumerable: true
|
||
|
|
})
|
||
|
|
|
||
|
|
function parseArgs (args) {
|
||
|
|
args = normalizeArgs(args)
|
||
|
|
|
||
|
|
var parsed = Parser(args, options, y18n)
|
||
|
|
var argv = parsed.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 (completionCommand &&
|
||
|
|
(process.argv.join(' ')).indexOf(completion.completionKey) !== -1 &&
|
||
|
|
!argv[completion.completionKey]) {
|
||
|
|
return argv
|
||
|
|
}
|
||
|
|
|
||
|
|
// if there's a handler associated with a
|
||
|
|
// command defer processing to it.
|
||
|
|
var handlerKeys = Object.keys(self.getCommandHandlers())
|
||
|
|
for (var i = 0, command; (command = handlerKeys[i]) !== undefined; i++) {
|
||
|
|
if (~argv._.indexOf(command)) {
|
||
|
|
runCommand(command, self, argv)
|
||
|
|
return self.argv
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// generate a completion script for adding to ~/.bashrc.
|
||
|
|
if (completionCommand && ~argv._.indexOf(completionCommand) && !argv[completion.completionKey]) {
|
||
|
|
self.showCompletionScript()
|
||
|
|
if (exitProcess) {
|
||
|
|
process.exit(0)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// we must run completions first, a user might
|
||
|
|
// want to complete the --help or --version option.
|
||
|
|
if (completion.completionKey in argv) {
|
||
|
|
// we allow for asynchronous completions,
|
||
|
|
// e.g., loading in a list of commands from an API.
|
||
|
|
completion.getCompletion(function (completions) {
|
||
|
|
;(completions || []).forEach(function (completion) {
|
||
|
|
console.log(completion)
|
||
|
|
})
|
||
|
|
|
||
|
|
if (exitProcess) {
|
||
|
|
process.exit(0)
|
||
|
|
}
|
||
|
|
})
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
var helpOrVersion = false
|
||
|
|
Object.keys(argv).forEach(function (key) {
|
||
|
|
if (key === helpOpt && argv[key]) {
|
||
|
|
helpOrVersion = true
|
||
|
|
self.showHelp('log')
|
||
|
|
if (exitProcess) {
|
||
|
|
process.exit(0)
|
||
|
|
}
|
||
|
|
} else if (key === versionOpt && argv[key]) {
|
||
|
|
helpOrVersion = true
|
||
|
|
usage.showVersion()
|
||
|
|
if (exitProcess) {
|
||
|
|
process.exit(0)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
})
|
||
|
|
|
||
|
|
// If the help or version options where used and exitProcess is false,
|
||
|
|
// we won't run validations
|
||
|
|
if (!helpOrVersion) {
|
||
|
|
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)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
setPlaceholderKeys(argv)
|
||
|
|
|
||
|
|
return argv
|
||
|
|
}
|
||
|
|
|
||
|
|
function guessLocale () {
|
||
|
|
if (!detectLocale) return
|
||
|
|
|
||
|
|
try {
|
||
|
|
var 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 runCommand (command, yargs, argv) {
|
||
|
|
setPlaceholderKeys(argv)
|
||
|
|
yargs.getCommandHandlers()[command](yargs.reset(), argv)
|
||
|
|
}
|
||
|
|
|
||
|
|
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
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
function normalizeArgs (args) {
|
||
|
|
if (typeof args === 'string') {
|
||
|
|
return tokenizeArgString(args)
|
||
|
|
}
|
||
|
|
return args
|
||
|
|
}
|
||
|
|
|
||
|
|
singletonify(self)
|
||
|
|
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)
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Hack an instance of Argv with process.argv into Argv
|
||
|
|
so people can do
|
||
|
|
require('yargs')(['--beeble=1','-z','zizzle']).argv
|
||
|
|
to parse a list of args and
|
||
|
|
require('yargs').argv
|
||
|
|
to get a parsed version of process.argv.
|
||
|
|
*/
|
||
|
|
function singletonify (inst) {
|
||
|
|
Object.keys(inst).forEach(function (key) {
|
||
|
|
if (key === 'argv') {
|
||
|
|
Argv.__defineGetter__(key, inst.__lookupGetter__(key))
|
||
|
|
} else {
|
||
|
|
Argv[key] = typeof inst[key] === 'function' ? inst[key].bind(inst) : inst[key]
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}
|