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@@ -1,916 +0,0 @@
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-var camelCase = require('camelcase')
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-var decamelize = require('decamelize')
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-var path = require('path')
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-var tokenizeArgString = require('./lib/tokenize-arg-string')
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-var util = require('util')
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-
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-function parse (args, opts) {
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- if (!opts) opts = {}
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- // allow a string argument to be passed in rather
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- // than an argv array.
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- args = tokenizeArgString(args)
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-
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- // aliases might have transitive relationships, normalize this.
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- var aliases = combineAliases(opts.alias || {})
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- var configuration = Object.assign({
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- 'short-option-groups': true,
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- 'camel-case-expansion': true,
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- 'dot-notation': true,
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- 'parse-numbers': true,
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- 'boolean-negation': true,
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- 'negation-prefix': 'no-',
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- 'duplicate-arguments-array': true,
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- 'flatten-duplicate-arrays': true,
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- 'populate--': false,
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- 'combine-arrays': false,
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- 'set-placeholder-key': false,
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- 'halt-at-non-option': false,
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- 'strip-aliased': false,
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- 'strip-dashed': false
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- }, opts.configuration)
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- var defaults = opts.default || {}
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- var configObjects = opts.configObjects || []
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- var envPrefix = opts.envPrefix
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- var notFlagsOption = configuration['populate--']
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- var notFlagsArgv = notFlagsOption ? '--' : '_'
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- var newAliases = {}
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- // allow a i18n handler to be passed in, default to a fake one (util.format).
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- var __ = opts.__ || util.format
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- var error = null
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- var flags = {
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- aliases: {},
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- arrays: {},
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- bools: {},
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- strings: {},
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- numbers: {},
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- counts: {},
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- normalize: {},
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- configs: {},
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- defaulted: {},
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- nargs: {},
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- coercions: {},
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- keys: []
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- }
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- var negative = /^-[0-9]+(\.[0-9]+)?/
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- var negatedBoolean = new RegExp('^--' + configuration['negation-prefix'] + '(.+)')
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-
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- ;[].concat(opts.array).filter(Boolean).forEach(function (opt) {
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- var key = opt.key || opt
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-
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- // assign to flags[bools|strings|numbers]
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- const assignment = Object.keys(opt).map(function (key) {
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- return ({
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- boolean: 'bools',
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- string: 'strings',
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- number: 'numbers'
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- })[key]
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- }).filter(Boolean).pop()
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-
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- // assign key to be coerced
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- if (assignment) {
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- flags[assignment][key] = true
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- }
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-
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- flags.arrays[key] = true
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- flags.keys.push(key)
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- })
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-
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- ;[].concat(opts.boolean).filter(Boolean).forEach(function (key) {
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- flags.bools[key] = true
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- flags.keys.push(key)
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- })
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-
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- ;[].concat(opts.string).filter(Boolean).forEach(function (key) {
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- flags.strings[key] = true
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- flags.keys.push(key)
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- })
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-
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- ;[].concat(opts.number).filter(Boolean).forEach(function (key) {
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- flags.numbers[key] = true
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- flags.keys.push(key)
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- })
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-
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- ;[].concat(opts.count).filter(Boolean).forEach(function (key) {
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- flags.counts[key] = true
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- flags.keys.push(key)
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- })
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-
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- ;[].concat(opts.normalize).filter(Boolean).forEach(function (key) {
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- flags.normalize[key] = true
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- flags.keys.push(key)
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- })
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-
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- Object.keys(opts.narg || {}).forEach(function (k) {
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- flags.nargs[k] = opts.narg[k]
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- flags.keys.push(k)
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- })
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-
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- Object.keys(opts.coerce || {}).forEach(function (k) {
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- flags.coercions[k] = opts.coerce[k]
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- flags.keys.push(k)
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- })
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-
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- if (Array.isArray(opts.config) || typeof opts.config === 'string') {
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- ;[].concat(opts.config).filter(Boolean).forEach(function (key) {
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- flags.configs[key] = true
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- })
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- } else {
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- Object.keys(opts.config || {}).forEach(function (k) {
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- flags.configs[k] = opts.config[k]
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- })
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- }
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-
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- // create a lookup table that takes into account all
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- // combinations of aliases: {f: ['foo'], foo: ['f']}
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- extendAliases(opts.key, aliases, opts.default, flags.arrays)
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-
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- // apply default values to all aliases.
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- Object.keys(defaults).forEach(function (key) {
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- (flags.aliases[key] || []).forEach(function (alias) {
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- defaults[alias] = defaults[key]
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- })
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- })
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-
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- var argv = { _: [] }
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-
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- Object.keys(flags.bools).forEach(function (key) {
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- if (Object.prototype.hasOwnProperty.call(defaults, key)) {
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- setArg(key, defaults[key])
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- setDefaulted(key)
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- }
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- })
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-
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- var notFlags = []
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-
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- for (var i = 0; i < args.length; i++) {
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- var arg = args[i]
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- var broken
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- var key
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- var letters
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- var m
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- var next
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- var value
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-
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- // -- separated by =
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- if (arg.match(/^--.+=/) || (
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- !configuration['short-option-groups'] && arg.match(/^-.+=/)
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- )) {
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- // Using [\s\S] instead of . because js doesn't support the
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- // 'dotall' regex modifier. See:
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- // http://stackoverflow.com/a/1068308/13216
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- m = arg.match(/^--?([^=]+)=([\s\S]*)$/)
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-
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- // nargs format = '--f=monkey washing cat'
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- if (checkAllAliases(m[1], flags.nargs)) {
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- args.splice(i + 1, 0, m[2])
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- i = eatNargs(i, m[1], args)
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- // arrays format = '--f=a b c'
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- } else if (checkAllAliases(m[1], flags.arrays) && args.length > i + 1) {
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- args.splice(i + 1, 0, m[2])
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- i = eatArray(i, m[1], args)
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- } else {
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- setArg(m[1], m[2])
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- }
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- } else if (arg.match(negatedBoolean) && configuration['boolean-negation']) {
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- key = arg.match(negatedBoolean)[1]
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- setArg(key, false)
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-
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- // -- seperated by space.
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- } else if (arg.match(/^--.+/) || (
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- !configuration['short-option-groups'] && arg.match(/^-[^-]+/)
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- )) {
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- key = arg.match(/^--?(.+)/)[1]
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-
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- // nargs format = '--foo a b c'
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- if (checkAllAliases(key, flags.nargs)) {
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- i = eatNargs(i, key, args)
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- // array format = '--foo a b c'
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- } else if (checkAllAliases(key, flags.arrays) && args.length > i + 1) {
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- i = eatArray(i, key, args)
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- } else {
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- next = flags.nargs[key] === 0 ? undefined : args[i + 1]
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-
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- if (next !== undefined && (!next.match(/^-/) ||
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- next.match(negative)) &&
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- !checkAllAliases(key, flags.bools) &&
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- !checkAllAliases(key, flags.counts)) {
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- setArg(key, next)
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- i++
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- } else if (/^(true|false)$/.test(next)) {
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- setArg(key, next)
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- i++
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- } else {
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- setArg(key, defaultValue(key))
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- }
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- }
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-
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- // dot-notation flag seperated by '='.
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- } else if (arg.match(/^-.\..+=/)) {
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- m = arg.match(/^-([^=]+)=([\s\S]*)$/)
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- setArg(m[1], m[2])
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-
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- // dot-notation flag seperated by space.
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- } else if (arg.match(/^-.\..+/)) {
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- next = args[i + 1]
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- key = arg.match(/^-(.\..+)/)[1]
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-
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- if (next !== undefined && !next.match(/^-/) &&
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- !checkAllAliases(key, flags.bools) &&
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- !checkAllAliases(key, flags.counts)) {
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- setArg(key, next)
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- i++
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- } else {
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- setArg(key, defaultValue(key))
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- }
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- } else if (arg.match(/^-[^-]+/) && !arg.match(negative)) {
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- letters = arg.slice(1, -1).split('')
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- broken = false
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-
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- for (var j = 0; j < letters.length; j++) {
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- next = arg.slice(j + 2)
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-
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- if (letters[j + 1] && letters[j + 1] === '=') {
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- value = arg.slice(j + 3)
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- key = letters[j]
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-
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- // nargs format = '-f=monkey washing cat'
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- if (checkAllAliases(key, flags.nargs)) {
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- args.splice(i + 1, 0, value)
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- i = eatNargs(i, key, args)
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- // array format = '-f=a b c'
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- } else if (checkAllAliases(key, flags.arrays) && args.length > i + 1) {
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- args.splice(i + 1, 0, value)
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- i = eatArray(i, key, args)
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- } else {
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- setArg(key, value)
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- }
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-
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- broken = true
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- break
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- }
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-
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- if (next === '-') {
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- setArg(letters[j], next)
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- continue
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- }
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-
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- // current letter is an alphabetic character and next value is a number
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- if (/[A-Za-z]/.test(letters[j]) &&
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- /^-?\d+(\.\d*)?(e-?\d+)?$/.test(next)) {
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- setArg(letters[j], next)
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- broken = true
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- break
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- }
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-
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- if (letters[j + 1] && letters[j + 1].match(/\W/)) {
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- setArg(letters[j], next)
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- broken = true
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- break
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- } else {
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- setArg(letters[j], defaultValue(letters[j]))
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- }
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- }
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-
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- key = arg.slice(-1)[0]
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-
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- if (!broken && key !== '-') {
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- // nargs format = '-f a b c'
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- if (checkAllAliases(key, flags.nargs)) {
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- i = eatNargs(i, key, args)
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- // array format = '-f a b c'
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- } else if (checkAllAliases(key, flags.arrays) && args.length > i + 1) {
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- i = eatArray(i, key, args)
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- } else {
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- next = args[i + 1]
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-
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- if (next !== undefined && (!/^(-|--)[^-]/.test(next) ||
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- next.match(negative)) &&
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- !checkAllAliases(key, flags.bools) &&
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- !checkAllAliases(key, flags.counts)) {
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- setArg(key, next)
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- i++
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- } else if (/^(true|false)$/.test(next)) {
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- setArg(key, next)
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- i++
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- } else {
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- setArg(key, defaultValue(key))
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- }
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- }
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- }
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- } else if (arg === '--') {
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- notFlags = args.slice(i + 1)
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- break
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- } else if (configuration['halt-at-non-option']) {
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- notFlags = args.slice(i)
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- break
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- } else {
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- argv._.push(maybeCoerceNumber('_', arg))
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- }
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- }
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-
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- // order of precedence:
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- // 1. command line arg
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- // 2. value from env var
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- // 3. value from config file
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- // 4. value from config objects
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- // 5. configured default value
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- applyEnvVars(argv, true) // special case: check env vars that point to config file
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- applyEnvVars(argv, false)
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- setConfig(argv)
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- setConfigObjects()
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- applyDefaultsAndAliases(argv, flags.aliases, defaults)
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- applyCoercions(argv)
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- if (configuration['set-placeholder-key']) setPlaceholderKeys(argv)
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-
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- // for any counts either not in args or without an explicit default, set to 0
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- Object.keys(flags.counts).forEach(function (key) {
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- if (!hasKey(argv, key.split('.'))) setArg(key, 0)
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- })
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-
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- // '--' defaults to undefined.
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- if (notFlagsOption && notFlags.length) argv[notFlagsArgv] = []
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- notFlags.forEach(function (key) {
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- argv[notFlagsArgv].push(key)
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- })
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-
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- if (configuration['camel-case-expansion'] && configuration['strip-dashed']) {
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- Object.keys(argv).filter(key => key !== '--' && key.includes('-')).forEach(key => {
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- delete argv[key]
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- })
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- }
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-
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- if (configuration['strip-aliased']) {
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- // XXX Switch to [].concat(...Object.values(aliases)) once node.js 6 is dropped
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- ;[].concat(...Object.keys(aliases).map(k => aliases[k])).forEach(alias => {
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- if (configuration['camel-case-expansion']) {
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- delete argv[alias.split('.').map(prop => camelCase(prop)).join('.')]
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- }
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-
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- delete argv[alias]
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- })
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- }
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-
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- // how many arguments should we consume, based
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- // on the nargs option?
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- function eatNargs (i, key, args) {
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- var ii
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- const toEat = checkAllAliases(key, flags.nargs)
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-
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- // nargs will not consume flag arguments, e.g., -abc, --foo,
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- // and terminates when one is observed.
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- var available = 0
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- for (ii = i + 1; ii < args.length; ii++) {
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- if (!args[ii].match(/^-[^0-9]/)) available++
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- else break
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- }
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-
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- if (available < toEat) error = Error(__('Not enough arguments following: %s', key))
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-
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- const consumed = Math.min(available, toEat)
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- for (ii = i + 1; ii < (consumed + i + 1); ii++) {
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- setArg(key, args[ii])
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- }
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-
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- return (i + consumed)
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- }
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-
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- // if an option is an array, eat all non-hyphenated arguments
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- // following it... YUM!
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- // e.g., --foo apple banana cat becomes ["apple", "banana", "cat"]
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- function eatArray (i, key, args) {
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- var start = i + 1
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- var argsToSet = []
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- var multipleArrayFlag = i > 0
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- for (var ii = i + 1; ii < args.length; ii++) {
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- if (/^-/.test(args[ii]) && !negative.test(args[ii])) {
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- if (ii === start) {
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- setArg(key, defaultForType('array'))
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- }
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- multipleArrayFlag = true
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- break
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- }
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- i = ii
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- argsToSet.push(args[ii])
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- }
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- if (multipleArrayFlag) {
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- setArg(key, argsToSet.map(function (arg) {
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- return processValue(key, arg)
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- }))
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- } else {
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- argsToSet.forEach(function (arg) {
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- setArg(key, arg)
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- })
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- }
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-
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- return i
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- }
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-
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- function setArg (key, val) {
|
|
|
- unsetDefaulted(key)
|
|
|
-
|
|
|
- if (/-/.test(key) && configuration['camel-case-expansion']) {
|
|
|
- var alias = key.split('.').map(function (prop) {
|
|
|
- return camelCase(prop)
|
|
|
- }).join('.')
|
|
|
- addNewAlias(key, alias)
|
|
|
- }
|
|
|
-
|
|
|
- var value = processValue(key, val)
|
|
|
-
|
|
|
- var splitKey = key.split('.')
|
|
|
- setKey(argv, splitKey, value)
|
|
|
-
|
|
|
- // handle populating aliases of the full key
|
|
|
- if (flags.aliases[key] && flags.aliases[key].forEach) {
|
|
|
- flags.aliases[key].forEach(function (x) {
|
|
|
- x = x.split('.')
|
|
|
- setKey(argv, x, value)
|
|
|
- })
|
|
|
- }
|
|
|
-
|
|
|
- // handle populating aliases of the first element of the dot-notation key
|
|
|
- if (splitKey.length > 1 && configuration['dot-notation']) {
|
|
|
- ;(flags.aliases[splitKey[0]] || []).forEach(function (x) {
|
|
|
- x = x.split('.')
|
|
|
-
|
|
|
- // expand alias with nested objects in key
|
|
|
- var a = [].concat(splitKey)
|
|
|
- a.shift() // nuke the old key.
|
|
|
- x = x.concat(a)
|
|
|
-
|
|
|
- setKey(argv, x, value)
|
|
|
- })
|
|
|
- }
|
|
|
-
|
|
|
- // Set normalize getter and setter when key is in 'normalize' but isn't an array
|
|
|
- if (checkAllAliases(key, flags.normalize) && !checkAllAliases(key, flags.arrays)) {
|
|
|
- var keys = [key].concat(flags.aliases[key] || [])
|
|
|
- keys.forEach(function (key) {
|
|
|
- argv.__defineSetter__(key, function (v) {
|
|
|
- val = path.normalize(v)
|
|
|
- })
|
|
|
-
|
|
|
- argv.__defineGetter__(key, function () {
|
|
|
- return typeof val === 'string' ? path.normalize(val) : val
|
|
|
- })
|
|
|
- })
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- function addNewAlias (key, alias) {
|
|
|
- if (!(flags.aliases[key] && flags.aliases[key].length)) {
|
|
|
- flags.aliases[key] = [alias]
|
|
|
- newAliases[alias] = true
|
|
|
- }
|
|
|
- if (!(flags.aliases[alias] && flags.aliases[alias].length)) {
|
|
|
- addNewAlias(alias, key)
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- function processValue (key, val) {
|
|
|
- // strings may be quoted, clean this up as we assign values.
|
|
|
- if (typeof val === 'string' &&
|
|
|
- (val[0] === "'" || val[0] === '"') &&
|
|
|
- val[val.length - 1] === val[0]
|
|
|
- ) {
|
|
|
- val = val.substring(1, val.length - 1)
|
|
|
- }
|
|
|
-
|
|
|
- // handle parsing boolean arguments --foo=true --bar false.
|
|
|
- if (checkAllAliases(key, flags.bools) || checkAllAliases(key, flags.counts)) {
|
|
|
- if (typeof val === 'string') val = val === 'true'
|
|
|
- }
|
|
|
-
|
|
|
- var value = maybeCoerceNumber(key, val)
|
|
|
-
|
|
|
- // increment a count given as arg (either no value or value parsed as boolean)
|
|
|
- if (checkAllAliases(key, flags.counts) && (isUndefined(value) || typeof value === 'boolean')) {
|
|
|
- value = increment
|
|
|
- }
|
|
|
-
|
|
|
- // Set normalized value when key is in 'normalize' and in 'arrays'
|
|
|
- if (checkAllAliases(key, flags.normalize) && checkAllAliases(key, flags.arrays)) {
|
|
|
- if (Array.isArray(val)) value = val.map(path.normalize)
|
|
|
- else value = path.normalize(val)
|
|
|
- }
|
|
|
- return value
|
|
|
- }
|
|
|
-
|
|
|
- function maybeCoerceNumber (key, value) {
|
|
|
- if (!checkAllAliases(key, flags.strings) && !checkAllAliases(key, flags.coercions)) {
|
|
|
- const shouldCoerceNumber = isNumber(value) && configuration['parse-numbers'] && (
|
|
|
- Number.isSafeInteger(Math.floor(value))
|
|
|
- )
|
|
|
- if (shouldCoerceNumber || (!isUndefined(value) && checkAllAliases(key, flags.numbers))) value = Number(value)
|
|
|
- }
|
|
|
- return value
|
|
|
- }
|
|
|
-
|
|
|
- // set args from config.json file, this should be
|
|
|
- // applied last so that defaults can be applied.
|
|
|
- function setConfig (argv) {
|
|
|
- var configLookup = {}
|
|
|
-
|
|
|
- // expand defaults/aliases, in-case any happen to reference
|
|
|
- // the config.json file.
|
|
|
- applyDefaultsAndAliases(configLookup, flags.aliases, defaults)
|
|
|
-
|
|
|
- Object.keys(flags.configs).forEach(function (configKey) {
|
|
|
- var configPath = argv[configKey] || configLookup[configKey]
|
|
|
- if (configPath) {
|
|
|
- try {
|
|
|
- var config = null
|
|
|
- var resolvedConfigPath = path.resolve(process.cwd(), configPath)
|
|
|
-
|
|
|
- if (typeof flags.configs[configKey] === 'function') {
|
|
|
- try {
|
|
|
- config = flags.configs[configKey](resolvedConfigPath)
|
|
|
- } catch (e) {
|
|
|
- config = e
|
|
|
- }
|
|
|
- if (config instanceof Error) {
|
|
|
- error = config
|
|
|
- return
|
|
|
- }
|
|
|
- } else {
|
|
|
- config = require(resolvedConfigPath)
|
|
|
- }
|
|
|
-
|
|
|
- setConfigObject(config)
|
|
|
- } catch (ex) {
|
|
|
- if (argv[configKey]) error = Error(__('Invalid JSON config file: %s', configPath))
|
|
|
- }
|
|
|
- }
|
|
|
- })
|
|
|
- }
|
|
|
-
|
|
|
- // set args from config object.
|
|
|
- // it recursively checks nested objects.
|
|
|
- function setConfigObject (config, prev) {
|
|
|
- Object.keys(config).forEach(function (key) {
|
|
|
- var value = config[key]
|
|
|
- var fullKey = prev ? prev + '.' + key : key
|
|
|
-
|
|
|
- // if the value is an inner object and we have dot-notation
|
|
|
- // enabled, treat inner objects in config the same as
|
|
|
- // heavily nested dot notations (foo.bar.apple).
|
|
|
- if (typeof value === 'object' && value !== null && !Array.isArray(value) && configuration['dot-notation']) {
|
|
|
- // if the value is an object but not an array, check nested object
|
|
|
- setConfigObject(value, fullKey)
|
|
|
- } else {
|
|
|
- // setting arguments via CLI takes precedence over
|
|
|
- // values within the config file.
|
|
|
- if (!hasKey(argv, fullKey.split('.')) || (flags.defaulted[fullKey]) || (flags.arrays[fullKey] && configuration['combine-arrays'])) {
|
|
|
- setArg(fullKey, value)
|
|
|
- }
|
|
|
- }
|
|
|
- })
|
|
|
- }
|
|
|
-
|
|
|
- // set all config objects passed in opts
|
|
|
- function setConfigObjects () {
|
|
|
- if (typeof configObjects === 'undefined') return
|
|
|
- configObjects.forEach(function (configObject) {
|
|
|
- setConfigObject(configObject)
|
|
|
- })
|
|
|
- }
|
|
|
-
|
|
|
- function applyEnvVars (argv, configOnly) {
|
|
|
- if (typeof envPrefix === 'undefined') return
|
|
|
-
|
|
|
- var prefix = typeof envPrefix === 'string' ? envPrefix : ''
|
|
|
- Object.keys(process.env).forEach(function (envVar) {
|
|
|
- if (prefix === '' || envVar.lastIndexOf(prefix, 0) === 0) {
|
|
|
- // get array of nested keys and convert them to camel case
|
|
|
- var keys = envVar.split('__').map(function (key, i) {
|
|
|
- if (i === 0) {
|
|
|
- key = key.substring(prefix.length)
|
|
|
- }
|
|
|
- return camelCase(key)
|
|
|
- })
|
|
|
-
|
|
|
- if (((configOnly && flags.configs[keys.join('.')]) || !configOnly) && (!hasKey(argv, keys) || flags.defaulted[keys.join('.')])) {
|
|
|
- setArg(keys.join('.'), process.env[envVar])
|
|
|
- }
|
|
|
- }
|
|
|
- })
|
|
|
- }
|
|
|
-
|
|
|
- function applyCoercions (argv) {
|
|
|
- var coerce
|
|
|
- var applied = {}
|
|
|
- Object.keys(argv).forEach(function (key) {
|
|
|
- if (!applied.hasOwnProperty(key)) { // If we haven't already coerced this option via one of its aliases
|
|
|
- coerce = checkAllAliases(key, flags.coercions)
|
|
|
- if (typeof coerce === 'function') {
|
|
|
- try {
|
|
|
- var value = coerce(argv[key])
|
|
|
- ;([].concat(flags.aliases[key] || [], key)).forEach(ali => {
|
|
|
- applied[ali] = argv[ali] = value
|
|
|
- })
|
|
|
- } catch (err) {
|
|
|
- error = err
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- })
|
|
|
- }
|
|
|
-
|
|
|
- function setPlaceholderKeys (argv) {
|
|
|
- flags.keys.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
|
|
|
- }
|
|
|
-
|
|
|
- function applyDefaultsAndAliases (obj, aliases, defaults) {
|
|
|
- Object.keys(defaults).forEach(function (key) {
|
|
|
- if (!hasKey(obj, key.split('.'))) {
|
|
|
- setKey(obj, key.split('.'), defaults[key])
|
|
|
-
|
|
|
- ;(aliases[key] || []).forEach(function (x) {
|
|
|
- if (hasKey(obj, x.split('.'))) return
|
|
|
- setKey(obj, x.split('.'), defaults[key])
|
|
|
- })
|
|
|
- }
|
|
|
- })
|
|
|
- }
|
|
|
-
|
|
|
- function hasKey (obj, keys) {
|
|
|
- var o = obj
|
|
|
-
|
|
|
- if (!configuration['dot-notation']) keys = [keys.join('.')]
|
|
|
-
|
|
|
- keys.slice(0, -1).forEach(function (key) {
|
|
|
- o = (o[key] || {})
|
|
|
- })
|
|
|
-
|
|
|
- var key = keys[keys.length - 1]
|
|
|
-
|
|
|
- if (typeof o !== 'object') return false
|
|
|
- else return key in o
|
|
|
- }
|
|
|
-
|
|
|
- function setKey (obj, keys, value) {
|
|
|
- var o = obj
|
|
|
-
|
|
|
- if (!configuration['dot-notation']) keys = [keys.join('.')]
|
|
|
-
|
|
|
- keys.slice(0, -1).forEach(function (key, index) {
|
|
|
- // TODO(bcoe): in the next major version of yargs, switch to
|
|
|
- // Object.create(null) for dot notation:
|
|
|
- key = sanitizeKey(key)
|
|
|
-
|
|
|
- if (typeof o === 'object' && o[key] === undefined) {
|
|
|
- o[key] = {}
|
|
|
- }
|
|
|
-
|
|
|
- if (typeof o[key] !== 'object' || Array.isArray(o[key])) {
|
|
|
- // ensure that o[key] is an array, and that the last item is an empty object.
|
|
|
- if (Array.isArray(o[key])) {
|
|
|
- o[key].push({})
|
|
|
- } else {
|
|
|
- o[key] = [o[key], {}]
|
|
|
- }
|
|
|
-
|
|
|
- // we want to update the empty object at the end of the o[key] array, so set o to that object
|
|
|
- o = o[key][o[key].length - 1]
|
|
|
- } else {
|
|
|
- o = o[key]
|
|
|
- }
|
|
|
- })
|
|
|
-
|
|
|
- // TODO(bcoe): in the next major version of yargs, switch to
|
|
|
- // Object.create(null) for dot notation:
|
|
|
- const key = sanitizeKey(keys[keys.length - 1])
|
|
|
-
|
|
|
- const isTypeArray = checkAllAliases(keys.join('.'), flags.arrays)
|
|
|
- const isValueArray = Array.isArray(value)
|
|
|
- let duplicate = configuration['duplicate-arguments-array']
|
|
|
-
|
|
|
- // nargs has higher priority than duplicate
|
|
|
- if (!duplicate && checkAllAliases(key, flags.nargs)) {
|
|
|
- duplicate = true
|
|
|
- if ((!isUndefined(o[key]) && flags.nargs[key] === 1) || (Array.isArray(o[key]) && o[key].length === flags.nargs[key])) {
|
|
|
- o[key] = undefined
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (value === increment) {
|
|
|
- o[key] = increment(o[key])
|
|
|
- } else if (Array.isArray(o[key])) {
|
|
|
- if (duplicate && isTypeArray && isValueArray) {
|
|
|
- o[key] = configuration['flatten-duplicate-arrays'] ? o[key].concat(value) : (Array.isArray(o[key][0]) ? o[key] : [o[key]]).concat([value])
|
|
|
- } else if (!duplicate && Boolean(isTypeArray) === Boolean(isValueArray)) {
|
|
|
- o[key] = value
|
|
|
- } else {
|
|
|
- o[key] = o[key].concat([value])
|
|
|
- }
|
|
|
- } else if (o[key] === undefined && isTypeArray) {
|
|
|
- o[key] = isValueArray ? value : [value]
|
|
|
- } else if (duplicate && !(o[key] === undefined || checkAllAliases(key, flags.bools) || checkAllAliases(keys.join('.'), flags.bools) || checkAllAliases(key, flags.counts))) {
|
|
|
- o[key] = [ o[key], value ]
|
|
|
- } else {
|
|
|
- o[key] = value
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- // extend the aliases list with inferred aliases.
|
|
|
- function extendAliases (...args) {
|
|
|
- args.forEach(function (obj) {
|
|
|
- Object.keys(obj || {}).forEach(function (key) {
|
|
|
- // short-circuit if we've already added a key
|
|
|
- // to the aliases array, for example it might
|
|
|
- // exist in both 'opts.default' and 'opts.key'.
|
|
|
- if (flags.aliases[key]) return
|
|
|
-
|
|
|
- flags.aliases[key] = [].concat(aliases[key] || [])
|
|
|
- // For "--option-name", also set argv.optionName
|
|
|
- flags.aliases[key].concat(key).forEach(function (x) {
|
|
|
- if (/-/.test(x) && configuration['camel-case-expansion']) {
|
|
|
- var c = camelCase(x)
|
|
|
- if (c !== key && flags.aliases[key].indexOf(c) === -1) {
|
|
|
- flags.aliases[key].push(c)
|
|
|
- newAliases[c] = true
|
|
|
- }
|
|
|
- }
|
|
|
- })
|
|
|
- // For "--optionName", also set argv['option-name']
|
|
|
- flags.aliases[key].concat(key).forEach(function (x) {
|
|
|
- if (x.length > 1 && /[A-Z]/.test(x) && configuration['camel-case-expansion']) {
|
|
|
- var c = decamelize(x, '-')
|
|
|
- if (c !== key && flags.aliases[key].indexOf(c) === -1) {
|
|
|
- flags.aliases[key].push(c)
|
|
|
- newAliases[c] = true
|
|
|
- }
|
|
|
- }
|
|
|
- })
|
|
|
- flags.aliases[key].forEach(function (x) {
|
|
|
- flags.aliases[x] = [key].concat(flags.aliases[key].filter(function (y) {
|
|
|
- return x !== y
|
|
|
- }))
|
|
|
- })
|
|
|
- })
|
|
|
- })
|
|
|
- }
|
|
|
-
|
|
|
- // check if a flag is set for any of a key's aliases.
|
|
|
- function checkAllAliases (key, flag) {
|
|
|
- var isSet = false
|
|
|
- var toCheck = [].concat(flags.aliases[key] || [], key)
|
|
|
-
|
|
|
- toCheck.forEach(function (key) {
|
|
|
- if (flag[key]) isSet = flag[key]
|
|
|
- })
|
|
|
-
|
|
|
- return isSet
|
|
|
- }
|
|
|
-
|
|
|
- function setDefaulted (key) {
|
|
|
- [].concat(flags.aliases[key] || [], key).forEach(function (k) {
|
|
|
- flags.defaulted[k] = true
|
|
|
- })
|
|
|
- }
|
|
|
-
|
|
|
- function unsetDefaulted (key) {
|
|
|
- [].concat(flags.aliases[key] || [], key).forEach(function (k) {
|
|
|
- delete flags.defaulted[k]
|
|
|
- })
|
|
|
- }
|
|
|
-
|
|
|
- // make a best effor to pick a default value
|
|
|
- // for an option based on name and type.
|
|
|
- function defaultValue (key) {
|
|
|
- if (!checkAllAliases(key, flags.bools) &&
|
|
|
- !checkAllAliases(key, flags.counts) &&
|
|
|
- `${key}` in defaults) {
|
|
|
- return defaults[key]
|
|
|
- } else {
|
|
|
- return defaultForType(guessType(key))
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- // return a default value, given the type of a flag.,
|
|
|
- // e.g., key of type 'string' will default to '', rather than 'true'.
|
|
|
- function defaultForType (type) {
|
|
|
- var def = {
|
|
|
- boolean: true,
|
|
|
- string: '',
|
|
|
- number: undefined,
|
|
|
- array: []
|
|
|
- }
|
|
|
-
|
|
|
- return def[type]
|
|
|
- }
|
|
|
-
|
|
|
- // given a flag, enforce a default type.
|
|
|
- function guessType (key) {
|
|
|
- var type = 'boolean'
|
|
|
-
|
|
|
- if (checkAllAliases(key, flags.strings)) type = 'string'
|
|
|
- else if (checkAllAliases(key, flags.numbers)) type = 'number'
|
|
|
- else if (checkAllAliases(key, flags.arrays)) type = 'array'
|
|
|
-
|
|
|
- return type
|
|
|
- }
|
|
|
-
|
|
|
- function isNumber (x) {
|
|
|
- if (x === null || x === undefined) return false
|
|
|
- // if loaded from config, may already be a number.
|
|
|
- if (typeof x === 'number') return true
|
|
|
- // hexadecimal.
|
|
|
- if (/^0x[0-9a-f]+$/i.test(x)) return true
|
|
|
- // don't treat 0123 as a number; as it drops the leading '0'.
|
|
|
- if (x.length > 1 && x[0] === '0') return false
|
|
|
- return /^[-]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/.test(x)
|
|
|
- }
|
|
|
-
|
|
|
- function isUndefined (num) {
|
|
|
- return num === undefined
|
|
|
- }
|
|
|
-
|
|
|
- return {
|
|
|
- argv: argv,
|
|
|
- error: error,
|
|
|
- aliases: flags.aliases,
|
|
|
- newAliases: newAliases,
|
|
|
- configuration: configuration
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-// if any aliases reference each other, we should
|
|
|
-// merge them together.
|
|
|
-function combineAliases (aliases) {
|
|
|
- var aliasArrays = []
|
|
|
- var change = true
|
|
|
- var combined = {}
|
|
|
-
|
|
|
- // turn alias lookup hash {key: ['alias1', 'alias2']} into
|
|
|
- // a simple array ['key', 'alias1', 'alias2']
|
|
|
- Object.keys(aliases).forEach(function (key) {
|
|
|
- aliasArrays.push(
|
|
|
- [].concat(aliases[key], key)
|
|
|
- )
|
|
|
- })
|
|
|
-
|
|
|
- // combine arrays until zero changes are
|
|
|
- // made in an iteration.
|
|
|
- while (change) {
|
|
|
- change = false
|
|
|
- for (var i = 0; i < aliasArrays.length; i++) {
|
|
|
- for (var ii = i + 1; ii < aliasArrays.length; ii++) {
|
|
|
- var intersect = aliasArrays[i].filter(function (v) {
|
|
|
- return aliasArrays[ii].indexOf(v) !== -1
|
|
|
- })
|
|
|
-
|
|
|
- if (intersect.length) {
|
|
|
- aliasArrays[i] = aliasArrays[i].concat(aliasArrays[ii])
|
|
|
- aliasArrays.splice(ii, 1)
|
|
|
- change = true
|
|
|
- break
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- // map arrays back to the hash-lookup (de-dupe while
|
|
|
- // we're at it).
|
|
|
- aliasArrays.forEach(function (aliasArray) {
|
|
|
- aliasArray = aliasArray.filter(function (v, i, self) {
|
|
|
- return self.indexOf(v) === i
|
|
|
- })
|
|
|
- combined[aliasArray.pop()] = aliasArray
|
|
|
- })
|
|
|
-
|
|
|
- return combined
|
|
|
-}
|
|
|
-
|
|
|
-// this function should only be called when a count is given as an arg
|
|
|
-// it is NOT called to set a default value
|
|
|
-// thus we can start the count at 1 instead of 0
|
|
|
-function increment (orig) {
|
|
|
- return orig !== undefined ? orig + 1 : 1
|
|
|
-}
|
|
|
-
|
|
|
-function Parser (args, opts) {
|
|
|
- var result = parse(args.slice(), opts)
|
|
|
-
|
|
|
- return result.argv
|
|
|
-}
|
|
|
-
|
|
|
-// parse arguments and return detailed
|
|
|
-// meta information, aliases, etc.
|
|
|
-Parser.detailed = function (args, opts) {
|
|
|
- return parse(args.slice(), opts)
|
|
|
-}
|
|
|
-
|
|
|
-// TODO(bcoe): in the next major version of yargs, switch to
|
|
|
-// Object.create(null) for dot notation:
|
|
|
-function sanitizeKey (key) {
|
|
|
- if (key === '__proto__') return '___proto___'
|
|
|
- return key
|
|
|
-}
|
|
|
-
|
|
|
-module.exports = Parser
|