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- const camelCase = require('camelcase')
- const decamelize = require('decamelize')
- const path = require('path')
- const tokenizeArgString = require('./lib/tokenize-arg-string')
- const util = require('util')
- function parse (args, opts) {
- opts = Object.assign(Object.create(null), opts)
-
-
- args = tokenizeArgString(args)
-
- const aliases = combineAliases(Object.assign(Object.create(null), opts.alias))
- const configuration = Object.assign({
- 'boolean-negation': true,
- 'camel-case-expansion': true,
- 'combine-arrays': false,
- 'dot-notation': true,
- 'duplicate-arguments-array': true,
- 'flatten-duplicate-arrays': true,
- 'greedy-arrays': true,
- 'halt-at-non-option': false,
- 'nargs-eats-options': false,
- 'negation-prefix': 'no-',
- 'parse-numbers': true,
- 'populate--': false,
- 'set-placeholder-key': false,
- 'short-option-groups': true,
- 'strip-aliased': false,
- 'strip-dashed': false,
- 'unknown-options-as-args': false
- }, opts.configuration)
- const defaults = Object.assign(Object.create(null), opts.default)
- const configObjects = opts.configObjects || []
- const envPrefix = opts.envPrefix
- const notFlagsOption = configuration['populate--']
- const notFlagsArgv = notFlagsOption ? '--' : '_'
- const newAliases = Object.create(null)
- const defaulted = Object.create(null)
-
- const __ = opts.__ || util.format
- const flags = {
- aliases: Object.create(null),
- arrays: Object.create(null),
- bools: Object.create(null),
- strings: Object.create(null),
- numbers: Object.create(null),
- counts: Object.create(null),
- normalize: Object.create(null),
- configs: Object.create(null),
- nargs: Object.create(null),
- coercions: Object.create(null),
- keys: []
- }
- const negative = /^-([0-9]+(\.[0-9]+)?|\.[0-9]+)$/
- const negatedBoolean = new RegExp('^--' + configuration['negation-prefix'] + '(.+)')
- ;[].concat(opts.array).filter(Boolean).forEach(function (opt) {
- const key = opt.key || opt
-
- const assignment = Object.keys(opt).map(function (key) {
- return ({
- boolean: 'bools',
- string: 'strings',
- number: 'numbers'
- })[key]
- }).filter(Boolean).pop()
-
- if (assignment) {
- flags[assignment][key] = true
- }
- flags.arrays[key] = true
- flags.keys.push(key)
- })
- ;[].concat(opts.boolean).filter(Boolean).forEach(function (key) {
- flags.bools[key] = true
- flags.keys.push(key)
- })
- ;[].concat(opts.string).filter(Boolean).forEach(function (key) {
- flags.strings[key] = true
- flags.keys.push(key)
- })
- ;[].concat(opts.number).filter(Boolean).forEach(function (key) {
- flags.numbers[key] = true
- flags.keys.push(key)
- })
- ;[].concat(opts.count).filter(Boolean).forEach(function (key) {
- flags.counts[key] = true
- flags.keys.push(key)
- })
- ;[].concat(opts.normalize).filter(Boolean).forEach(function (key) {
- flags.normalize[key] = true
- flags.keys.push(key)
- })
- Object.keys(opts.narg || {}).forEach(function (k) {
- flags.nargs[k] = opts.narg[k]
- flags.keys.push(k)
- })
- Object.keys(opts.coerce || {}).forEach(function (k) {
- flags.coercions[k] = opts.coerce[k]
- flags.keys.push(k)
- })
- if (Array.isArray(opts.config) || typeof opts.config === 'string') {
- ;[].concat(opts.config).filter(Boolean).forEach(function (key) {
- flags.configs[key] = true
- })
- } else {
- Object.keys(opts.config || {}).forEach(function (k) {
- flags.configs[k] = opts.config[k]
- })
- }
-
-
- extendAliases(opts.key, aliases, opts.default, flags.arrays)
-
- Object.keys(defaults).forEach(function (key) {
- (flags.aliases[key] || []).forEach(function (alias) {
- defaults[alias] = defaults[key]
- })
- })
- let error = null
- checkConfiguration()
- let notFlags = []
- const argv = Object.assign(Object.create(null), { _: [] })
-
-
-
- const argvReturn = {}
- for (let i = 0; i < args.length; i++) {
- const arg = args[i]
- let broken
- let key
- let letters
- let m
- let next
- let value
-
- if (arg !== '--' && isUnknownOptionAsArg(arg)) {
- argv._.push(arg)
-
- } else if (arg.match(/^--.+=/) || (
- !configuration['short-option-groups'] && arg.match(/^-.+=/)
- )) {
-
-
-
- m = arg.match(/^--?([^=]+)=([\s\S]*)$/)
-
- if (checkAllAliases(m[1], flags.arrays)) {
- i = eatArray(i, m[1], args, m[2])
- } else if (checkAllAliases(m[1], flags.nargs) !== false) {
-
- i = eatNargs(i, m[1], args, m[2])
- } else {
- setArg(m[1], m[2])
- }
- } else if (arg.match(negatedBoolean) && configuration['boolean-negation']) {
- key = arg.match(negatedBoolean)[1]
- setArg(key, checkAllAliases(key, flags.arrays) ? [false] : false)
-
- } else if (arg.match(/^--.+/) || (
- !configuration['short-option-groups'] && arg.match(/^-[^-]+/)
- )) {
- key = arg.match(/^--?(.+)/)[1]
- if (checkAllAliases(key, flags.arrays)) {
-
- i = eatArray(i, key, args)
- } else if (checkAllAliases(key, flags.nargs) !== false) {
-
-
- i = eatNargs(i, key, args)
- } else {
- next = args[i + 1]
- if (next !== undefined && (!next.match(/^-/) ||
- next.match(negative)) &&
- !checkAllAliases(key, flags.bools) &&
- !checkAllAliases(key, flags.counts)) {
- setArg(key, next)
- i++
- } else if (/^(true|false)$/.test(next)) {
- setArg(key, next)
- i++
- } else {
- setArg(key, defaultValue(key))
- }
- }
-
- } else if (arg.match(/^-.\..+=/)) {
- m = arg.match(/^-([^=]+)=([\s\S]*)$/)
- setArg(m[1], m[2])
-
- } else if (arg.match(/^-.\..+/) && !arg.match(negative)) {
- next = args[i + 1]
- key = arg.match(/^-(.\..+)/)[1]
- if (next !== undefined && !next.match(/^-/) &&
- !checkAllAliases(key, flags.bools) &&
- !checkAllAliases(key, flags.counts)) {
- setArg(key, next)
- i++
- } else {
- setArg(key, defaultValue(key))
- }
- } else if (arg.match(/^-[^-]+/) && !arg.match(negative)) {
- letters = arg.slice(1, -1).split('')
- broken = false
- for (let j = 0; j < letters.length; j++) {
- next = arg.slice(j + 2)
- if (letters[j + 1] && letters[j + 1] === '=') {
- value = arg.slice(j + 3)
- key = letters[j]
- if (checkAllAliases(key, flags.arrays)) {
-
- i = eatArray(i, key, args, value)
- } else if (checkAllAliases(key, flags.nargs) !== false) {
-
- i = eatNargs(i, key, args, value)
- } else {
- setArg(key, value)
- }
- broken = true
- break
- }
- if (next === '-') {
- setArg(letters[j], next)
- continue
- }
-
- if (/[A-Za-z]/.test(letters[j]) &&
- /^-?\d+(\.\d*)?(e-?\d+)?$/.test(next)) {
- setArg(letters[j], next)
- broken = true
- break
- }
- if (letters[j + 1] && letters[j + 1].match(/\W/)) {
- setArg(letters[j], next)
- broken = true
- break
- } else {
- setArg(letters[j], defaultValue(letters[j]))
- }
- }
- key = arg.slice(-1)[0]
- if (!broken && key !== '-') {
- if (checkAllAliases(key, flags.arrays)) {
-
- i = eatArray(i, key, args)
- } else if (checkAllAliases(key, flags.nargs) !== false) {
-
-
- i = eatNargs(i, key, args)
- } else {
- next = args[i + 1]
- if (next !== undefined && (!/^(-|--)[^-]/.test(next) ||
- next.match(negative)) &&
- !checkAllAliases(key, flags.bools) &&
- !checkAllAliases(key, flags.counts)) {
- setArg(key, next)
- i++
- } else if (/^(true|false)$/.test(next)) {
- setArg(key, next)
- i++
- } else {
- setArg(key, defaultValue(key))
- }
- }
- }
- } else if (arg.match(/^-[0-9]$/) &&
- arg.match(negative) &&
- checkAllAliases(arg.slice(1), flags.bools)) {
-
- key = arg.slice(1)
- setArg(key, defaultValue(key))
- } else if (arg === '--') {
- notFlags = args.slice(i + 1)
- break
- } else if (configuration['halt-at-non-option']) {
- notFlags = args.slice(i)
- break
- } else {
- argv._.push(maybeCoerceNumber('_', arg))
- }
- }
-
-
-
-
-
-
- applyEnvVars(argv, true)
- applyEnvVars(argv, false)
- setConfig(argv)
- setConfigObjects()
- applyDefaultsAndAliases(argv, flags.aliases, defaults, true)
- applyCoercions(argv)
- if (configuration['set-placeholder-key']) setPlaceholderKeys(argv)
-
- Object.keys(flags.counts).forEach(function (key) {
- if (!hasKey(argv, key.split('.'))) setArg(key, 0)
- })
-
- if (notFlagsOption && notFlags.length) argv[notFlagsArgv] = []
- notFlags.forEach(function (key) {
- argv[notFlagsArgv].push(key)
- })
- if (configuration['camel-case-expansion'] && configuration['strip-dashed']) {
- Object.keys(argv).filter(key => key !== '--' && key.includes('-')).forEach(key => {
- delete argv[key]
- })
- }
- if (configuration['strip-aliased']) {
- ;[].concat(...Object.keys(aliases).map(k => aliases[k])).forEach(alias => {
- if (configuration['camel-case-expansion']) {
- delete argv[alias.split('.').map(prop => camelCase(prop)).join('.')]
- }
- delete argv[alias]
- })
- }
-
-
- function eatNargs (i, key, args, argAfterEqualSign) {
- let ii
- let toEat = checkAllAliases(key, flags.nargs)
-
-
- toEat = isNaN(toEat) ? 1 : toEat
- if (toEat === 0) {
- if (!isUndefined(argAfterEqualSign)) {
- error = Error(__('Argument unexpected for: %s', key))
- }
- setArg(key, defaultValue(key))
- return i
- }
- let available = isUndefined(argAfterEqualSign) ? 0 : 1
- if (configuration['nargs-eats-options']) {
-
- if (args.length - (i + 1) + available < toEat) {
- error = Error(__('Not enough arguments following: %s', key))
- }
- available = toEat
- } else {
-
-
- for (ii = i + 1; ii < args.length; ii++) {
- if (!args[ii].match(/^-[^0-9]/) || args[ii].match(negative) || isUnknownOptionAsArg(args[ii])) available++
- else break
- }
- if (available < toEat) error = Error(__('Not enough arguments following: %s', key))
- }
- let consumed = Math.min(available, toEat)
- if (!isUndefined(argAfterEqualSign) && consumed > 0) {
- setArg(key, argAfterEqualSign)
- consumed--
- }
- for (ii = i + 1; ii < (consumed + i + 1); ii++) {
- setArg(key, args[ii])
- }
- return (i + consumed)
- }
-
-
-
- function eatArray (i, key, args, argAfterEqualSign) {
- let argsToSet = []
- let next = argAfterEqualSign || args[i + 1]
-
- const nargsCount = checkAllAliases(key, flags.nargs)
- if (checkAllAliases(key, flags.bools) && !(/^(true|false)$/.test(next))) {
- argsToSet.push(true)
- } else if (isUndefined(next) ||
- (isUndefined(argAfterEqualSign) && /^-/.test(next) && !negative.test(next) && !isUnknownOptionAsArg(next))) {
-
-
- if (defaults[key] !== undefined) {
- const defVal = defaults[key]
- argsToSet = Array.isArray(defVal) ? defVal : [defVal]
- }
- } else {
-
- if (!isUndefined(argAfterEqualSign)) {
- argsToSet.push(processValue(key, argAfterEqualSign))
- }
- for (let ii = i + 1; ii < args.length; ii++) {
- if ((!configuration['greedy-arrays'] && argsToSet.length > 0) ||
- (nargsCount && argsToSet.length >= nargsCount)) break
- next = args[ii]
- if (/^-/.test(next) && !negative.test(next) && !isUnknownOptionAsArg(next)) break
- i = ii
- argsToSet.push(processValue(key, next))
- }
- }
-
-
-
- if ((nargsCount && argsToSet.length < nargsCount) ||
- (isNaN(nargsCount) && argsToSet.length === 0)) {
- error = Error(__('Not enough arguments following: %s', key))
- }
- setArg(key, argsToSet)
- return i
- }
- function setArg (key, val) {
- if (/-/.test(key) && configuration['camel-case-expansion']) {
- const alias = key.split('.').map(function (prop) {
- return camelCase(prop)
- }).join('.')
- addNewAlias(key, alias)
- }
- const value = processValue(key, val)
- const splitKey = key.split('.')
- setKey(argv, splitKey, value)
-
- if (flags.aliases[key]) {
- flags.aliases[key].forEach(function (x) {
- x = x.split('.')
- setKey(argv, x, value)
- })
- }
-
- if (splitKey.length > 1 && configuration['dot-notation']) {
- ;(flags.aliases[splitKey[0]] || []).forEach(function (x) {
- x = x.split('.')
-
- const a = [].concat(splitKey)
- a.shift()
- x = x.concat(a)
-
-
- if (!(flags.aliases[key] || []).includes(x.join('.'))) {
- setKey(argv, x, value)
- }
- })
- }
-
- if (checkAllAliases(key, flags.normalize) && !checkAllAliases(key, flags.arrays)) {
- const keys = [key].concat(flags.aliases[key] || [])
- keys.forEach(function (key) {
- Object.defineProperty(argvReturn, key, {
- enumerable: true,
- get () {
- return val
- },
- set (value) {
- val = typeof value === 'string' ? path.normalize(value) : value
- }
- })
- })
- }
- }
- 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) {
-
- if (typeof val === 'string' &&
- (val[0] === "'" || val[0] === '"') &&
- val[val.length - 1] === val[0]
- ) {
- val = val.substring(1, val.length - 1)
- }
-
- if (checkAllAliases(key, flags.bools) || checkAllAliases(key, flags.counts)) {
- if (typeof val === 'string') val = val === 'true'
- }
- let value = Array.isArray(val)
- ? val.map(function (v) { return maybeCoerceNumber(key, v) })
- : maybeCoerceNumber(key, val)
-
- if (checkAllAliases(key, flags.counts) && (isUndefined(value) || typeof value === 'boolean')) {
- value = increment
- }
-
- 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.bools) && !Array.isArray(value)) {
- 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
- }
-
-
- function setConfig (argv) {
- const configLookup = Object.create(null)
-
-
- applyDefaultsAndAliases(configLookup, flags.aliases, defaults)
- Object.keys(flags.configs).forEach(function (configKey) {
- const configPath = argv[configKey] || configLookup[configKey]
- if (configPath) {
- try {
- let config = null
- const 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))
- }
- }
- })
- }
-
-
- function setConfigObject (config, prev) {
- Object.keys(config).forEach(function (key) {
- const value = config[key]
- const fullKey = prev ? prev + '.' + key : key
-
-
-
- if (typeof value === 'object' && value !== null && !Array.isArray(value) && configuration['dot-notation']) {
-
- setConfigObject(value, fullKey)
- } else {
-
-
- if (!hasKey(argv, fullKey.split('.')) || (checkAllAliases(fullKey, flags.arrays) && configuration['combine-arrays'])) {
- setArg(fullKey, value)
- }
- }
- })
- }
-
- function setConfigObjects () {
- if (typeof configObjects === 'undefined') return
- configObjects.forEach(function (configObject) {
- setConfigObject(configObject)
- })
- }
- function applyEnvVars (argv, configOnly) {
- if (typeof envPrefix === 'undefined') return
- const prefix = typeof envPrefix === 'string' ? envPrefix : ''
- Object.keys(process.env).forEach(function (envVar) {
- if (prefix === '' || envVar.lastIndexOf(prefix, 0) === 0) {
-
- const 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)) {
- setArg(keys.join('.'), process.env[envVar])
- }
- }
- })
- }
- function applyCoercions (argv) {
- let coerce
- const applied = new Set()
- Object.keys(argv).forEach(function (key) {
- if (!applied.has(key)) {
- coerce = checkAllAliases(key, flags.coercions)
- if (typeof coerce === 'function') {
- try {
- const value = maybeCoerceNumber(key, coerce(argv[key]))
- ;([].concat(flags.aliases[key] || [], key)).forEach(ali => {
- applied.add(ali)
- argv[ali] = value
- })
- } catch (err) {
- error = err
- }
- }
- }
- })
- }
- function setPlaceholderKeys (argv) {
- flags.keys.forEach((key) => {
-
- if (~key.indexOf('.')) return
- if (typeof argv[key] === 'undefined') argv[key] = undefined
- })
- return argv
- }
- function applyDefaultsAndAliases (obj, aliases, defaults, canLog = false) {
- Object.keys(defaults).forEach(function (key) {
- if (!hasKey(obj, key.split('.'))) {
- setKey(obj, key.split('.'), defaults[key])
- if (canLog) defaulted[key] = true
- ;(aliases[key] || []).forEach(function (x) {
- if (hasKey(obj, x.split('.'))) return
- setKey(obj, x.split('.'), defaults[key])
- })
- }
- })
- }
- function hasKey (obj, keys) {
- let o = obj
- if (!configuration['dot-notation']) keys = [keys.join('.')]
- keys.slice(0, -1).forEach(function (key) {
- o = (o[key] || {})
- })
- const key = keys[keys.length - 1]
- if (typeof o !== 'object') return false
- else return key in o
- }
- function setKey (obj, keys, value) {
- let o = obj
- if (!configuration['dot-notation']) keys = [keys.join('.')]
- keys.slice(0, -1).forEach(function (key, index) {
-
-
- key = sanitizeKey(key)
- if (typeof o === 'object' && o[key] === undefined) {
- o[key] = {}
- }
- if (typeof o[key] !== 'object' || Array.isArray(o[key])) {
-
- if (Array.isArray(o[key])) {
- o[key].push({})
- } else {
- o[key] = [o[key], {}]
- }
-
- o = o[key][o[key].length - 1]
- } else {
- o = o[key]
- }
- })
-
-
- 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']
-
- 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.counts) ||
- checkAllAliases(key, flags.bools)
- )) {
- o[key] = [o[key], value]
- } else {
- o[key] = value
- }
- }
-
- function extendAliases (...args) {
- args.forEach(function (obj) {
- Object.keys(obj || {}).forEach(function (key) {
-
-
-
- if (flags.aliases[key]) return
- flags.aliases[key] = [].concat(aliases[key] || [])
-
- flags.aliases[key].concat(key).forEach(function (x) {
- if (/-/.test(x) && configuration['camel-case-expansion']) {
- const c = camelCase(x)
- if (c !== key && flags.aliases[key].indexOf(c) === -1) {
- flags.aliases[key].push(c)
- newAliases[c] = true
- }
- }
- })
-
- flags.aliases[key].concat(key).forEach(function (x) {
- if (x.length > 1 && /[A-Z]/.test(x) && configuration['camel-case-expansion']) {
- const 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
- }))
- })
- })
- })
- }
-
- function checkAllAliases (key, flag) {
- const toCheck = [].concat(flags.aliases[key] || [], key)
- const keys = Object.keys(flag)
- const setAlias = toCheck.find(key => keys.includes(key))
- return setAlias ? flag[setAlias] : false
- }
- function hasAnyFlag (key) {
- const toCheck = [].concat(Object.keys(flags).map(k => flags[k]))
- return toCheck.some(function (flag) {
- return Array.isArray(flag) ? flag.includes(key) : flag[key]
- })
- }
- function hasFlagsMatching (arg, ...patterns) {
- const toCheck = [].concat(...patterns)
- return toCheck.some(function (pattern) {
- const match = arg.match(pattern)
- return match && hasAnyFlag(match[1])
- })
- }
-
- function hasAllShortFlags (arg) {
-
- if (arg.match(negative) || !arg.match(/^-[^-]+/)) { return false }
- let hasAllFlags = true
- let next
- const letters = arg.slice(1).split('')
- for (let j = 0; j < letters.length; j++) {
- next = arg.slice(j + 2)
- if (!hasAnyFlag(letters[j])) {
- hasAllFlags = false
- break
- }
- if ((letters[j + 1] && letters[j + 1] === '=') ||
- next === '-' ||
- (/[A-Za-z]/.test(letters[j]) && /^-?\d+(\.\d*)?(e-?\d+)?$/.test(next)) ||
- (letters[j + 1] && letters[j + 1].match(/\W/))) {
- break
- }
- }
- return hasAllFlags
- }
- function isUnknownOptionAsArg (arg) {
- return configuration['unknown-options-as-args'] && isUnknownOption(arg)
- }
- function isUnknownOption (arg) {
-
- if (arg.match(negative)) { return false }
-
- if (hasAllShortFlags(arg)) { return false }
-
- const flagWithEquals = /^-+([^=]+?)=[\s\S]*$/
-
- const normalFlag = /^-+([^=]+?)$/
-
- const flagEndingInHyphen = /^-+([^=]+?)-$/
-
- const flagEndingInDigits = /^-+([^=]+?\d+)$/
-
- const flagEndingInNonWordCharacters = /^-+([^=]+?)\W+.*$/
-
- return !hasFlagsMatching(arg, flagWithEquals, negatedBoolean, normalFlag, flagEndingInHyphen, flagEndingInDigits, flagEndingInNonWordCharacters)
- }
-
-
- function defaultValue (key) {
- if (!checkAllAliases(key, flags.bools) &&
- !checkAllAliases(key, flags.counts) &&
- `${key}` in defaults) {
- return defaults[key]
- } else {
- return defaultForType(guessType(key))
- }
- }
-
-
- function defaultForType (type) {
- const def = {
- boolean: true,
- string: '',
- number: undefined,
- array: []
- }
- return def[type]
- }
-
- function guessType (key) {
- let type = 'boolean'
- if (checkAllAliases(key, flags.strings)) type = 'string'
- else if (checkAllAliases(key, flags.numbers)) type = 'number'
- else if (checkAllAliases(key, flags.bools)) type = 'boolean'
- else if (checkAllAliases(key, flags.arrays)) type = 'array'
- return type
- }
- function isNumber (x) {
- if (x === null || x === undefined) return false
-
- if (typeof x === 'number') return true
-
- if (/^0x[0-9a-f]+$/i.test(x)) return true
-
- if (x.length > 1 && x[0] === '0') return false
- return /^[-]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/.test(x)
- }
- function isUndefined (num) {
- return num === undefined
- }
-
- function checkConfiguration () {
-
- Object.keys(flags.counts).find(key => {
- if (checkAllAliases(key, flags.arrays)) {
- error = Error(__('Invalid configuration: %s, opts.count excludes opts.array.', key))
- return true
- } else if (checkAllAliases(key, flags.nargs)) {
- error = Error(__('Invalid configuration: %s, opts.count excludes opts.narg.', key))
- return true
- }
- })
- }
- return {
- argv: Object.assign(argvReturn, argv),
- error: error,
- aliases: Object.assign({}, flags.aliases),
- newAliases: Object.assign({}, newAliases),
- defaulted: Object.assign({}, defaulted),
- configuration: configuration
- }
- }
- function combineAliases (aliases) {
- const aliasArrays = []
- const combined = Object.create(null)
- let change = true
-
-
- Object.keys(aliases).forEach(function (key) {
- aliasArrays.push(
- [].concat(aliases[key], key)
- )
- })
-
-
- while (change) {
- change = false
- for (let i = 0; i < aliasArrays.length; i++) {
- for (let ii = i + 1; ii < aliasArrays.length; ii++) {
- const 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
- }
- }
- }
- }
-
-
- aliasArrays.forEach(function (aliasArray) {
- aliasArray = aliasArray.filter(function (v, i, self) {
- return self.indexOf(v) === i
- })
- combined[aliasArray.pop()] = aliasArray
- })
- return combined
- }
- function increment (orig) {
- return orig !== undefined ? orig + 1 : 1
- }
- function Parser (args, opts) {
- const result = parse(args.slice(), opts)
- return result.argv
- }
- Parser.detailed = function (args, opts) {
- return parse(args.slice(), opts)
- }
- function sanitizeKey (key) {
- if (key === '__proto__') return '___proto___'
- return key
- }
- module.exports = Parser
|