Current File : //opt/alt/alt-nodejs16/root/usr/lib/node_modules/npm/node_modules.bundled/nopt/lib/nopt.js
// info about each config option.
var debug = process.env.DEBUG_NOPT || process.env.NOPT_DEBUG
? function () {
console.error.apply(console, arguments)
}
: function () {}
var url = require('url')
var path = require('path')
var Stream = require('stream').Stream
var abbrev = require('abbrev')
var os = require('os')
module.exports = exports = nopt
exports.clean = clean
exports.typeDefs =
{ String: { type: String, validate: validateString },
Boolean: { type: Boolean, validate: validateBoolean },
url: { type: url, validate: validateUrl },
Number: { type: Number, validate: validateNumber },
path: { type: path, validate: validatePath },
Stream: { type: Stream, validate: validateStream },
Date: { type: Date, validate: validateDate },
}
function nopt (types, shorthands, args, slice) {
args = args || process.argv
types = types || {}
shorthands = shorthands || {}
if (typeof slice !== 'number') {
slice = 2
}
debug(types, shorthands, args, slice)
args = args.slice(slice)
var data = {}
var argv = {
remain: [],
cooked: args,
original: args.slice(0),
}
parse(args, data, argv.remain, types, shorthands)
// now data is full
clean(data, types, exports.typeDefs)
data.argv = argv
Object.defineProperty(data.argv, 'toString', { value: function () {
return this.original.map(JSON.stringify).join(' ')
},
enumerable: false })
return data
}
function clean (data, types, typeDefs) {
typeDefs = typeDefs || exports.typeDefs
var remove = {}
var typeDefault = [false, true, null, String, Array]
Object.keys(data).forEach(function (k) {
if (k === 'argv') {
return
}
var val = data[k]
var isArray = Array.isArray(val)
var type = types[k]
if (!isArray) {
val = [val]
}
if (!type) {
type = typeDefault
}
if (type === Array) {
type = typeDefault.concat(Array)
}
if (!Array.isArray(type)) {
type = [type]
}
debug('val=%j', val)
debug('types=', type)
val = val.map(function (v) {
// if it's an unknown value, then parse false/true/null/numbers/dates
if (typeof v === 'string') {
debug('string %j', v)
v = v.trim()
if ((v === 'null' && ~type.indexOf(null))
|| (v === 'true' &&
(~type.indexOf(true) || ~type.indexOf(Boolean)))
|| (v === 'false' &&
(~type.indexOf(false) || ~type.indexOf(Boolean)))) {
v = JSON.parse(v)
debug('jsonable %j', v)
} else if (~type.indexOf(Number) && !isNaN(v)) {
debug('convert to number', v)
v = +v
} else if (~type.indexOf(Date) && !isNaN(Date.parse(v))) {
debug('convert to date', v)
v = new Date(v)
}
}
if (!Object.prototype.hasOwnProperty.call(types, k)) {
return v
}
// allow `--no-blah` to set 'blah' to null if null is allowed
if (v === false && ~type.indexOf(null) &&
!(~type.indexOf(false) || ~type.indexOf(Boolean))) {
v = null
}
var d = {}
d[k] = v
debug('prevalidated val', d, v, types[k])
if (!validate(d, k, v, types[k], typeDefs)) {
if (exports.invalidHandler) {
exports.invalidHandler(k, v, types[k], data)
} else if (exports.invalidHandler !== false) {
debug('invalid: ' + k + '=' + v, types[k])
}
return remove
}
debug('validated v', d, v, types[k])
return d[k]
}).filter(function (v) {
return v !== remove
})
// if we allow Array specifically, then an empty array is how we
// express 'no value here', not null. Allow it.
if (!val.length && type.indexOf(Array) === -1) {
debug('VAL HAS NO LENGTH, DELETE IT', val, k, type.indexOf(Array))
delete data[k]
} else if (isArray) {
debug(isArray, data[k], val)
data[k] = val
} else {
data[k] = val[0]
}
debug('k=%s val=%j', k, val, data[k])
})
}
function validateString (data, k, val) {
data[k] = String(val)
}
function validatePath (data, k, val) {
if (val === true) {
return false
}
if (val === null) {
return true
}
val = String(val)
var isWin = process.platform === 'win32'
var homePattern = isWin ? /^~(\/|\\)/ : /^~\//
var home = os.homedir()
if (home && val.match(homePattern)) {
data[k] = path.resolve(home, val.slice(2))
} else {
data[k] = path.resolve(val)
}
return true
}
function validateNumber (data, k, val) {
debug('validate Number %j %j %j', k, val, isNaN(val))
if (isNaN(val)) {
return false
}
data[k] = +val
}
function validateDate (data, k, val) {
var s = Date.parse(val)
debug('validate Date %j %j %j', k, val, s)
if (isNaN(s)) {
return false
}
data[k] = new Date(val)
}
function validateBoolean (data, k, val) {
if (val instanceof Boolean) {
val = val.valueOf()
} else if (typeof val === 'string') {
if (!isNaN(val)) {
val = !!(+val)
} else if (val === 'null' || val === 'false') {
val = false
} else {
val = true
}
} else {
val = !!val
}
data[k] = val
}
function validateUrl (data, k, val) {
// Changing this would be a breaking change in the npm cli
/* eslint-disable-next-line node/no-deprecated-api */
val = url.parse(String(val))
if (!val.host) {
return false
}
data[k] = val.href
}
function validateStream (data, k, val) {
if (!(val instanceof Stream)) {
return false
}
data[k] = val
}
function validate (data, k, val, type, typeDefs) {
// arrays are lists of types.
if (Array.isArray(type)) {
for (let i = 0, l = type.length; i < l; i++) {
if (type[i] === Array) {
continue
}
if (validate(data, k, val, type[i], typeDefs)) {
return true
}
}
delete data[k]
return false
}
// an array of anything?
if (type === Array) {
return true
}
// Original comment:
// NaN is poisonous. Means that something is not allowed.
// New comment: Changing this to an isNaN check breaks a lot of tests.
// Something is being assumed here that is not actually what happens in
// practice. Fixing it is outside the scope of getting linting to pass in
// this repo. Leaving as-is for now.
/* eslint-disable-next-line no-self-compare */
if (type !== type) {
debug('Poison NaN', k, val, type)
delete data[k]
return false
}
// explicit list of values
if (val === type) {
debug('Explicitly allowed %j', val)
// if (isArray) (data[k] = data[k] || []).push(val)
// else data[k] = val
data[k] = val
return true
}
// now go through the list of typeDefs, validate against each one.
var ok = false
var types = Object.keys(typeDefs)
for (let i = 0, l = types.length; i < l; i++) {
debug('test type %j %j %j', k, val, types[i])
var t = typeDefs[types[i]]
if (t && (
(type && type.name && t.type && t.type.name) ?
(type.name === t.type.name) :
(type === t.type)
)) {
var d = {}
ok = t.validate(d, k, val) !== false
val = d[k]
if (ok) {
// if (isArray) (data[k] = data[k] || []).push(val)
// else data[k] = val
data[k] = val
break
}
}
}
debug('OK? %j (%j %j %j)', ok, k, val, types[types.length - 1])
if (!ok) {
delete data[k]
}
return ok
}
function parse (args, data, remain, types, shorthands) {
debug('parse', args, data, remain)
var abbrevs = abbrev(Object.keys(types))
var shortAbbr = abbrev(Object.keys(shorthands))
for (var i = 0; i < args.length; i++) {
var arg = args[i]
debug('arg', arg)
if (arg.match(/^-{2,}$/)) {
// done with keys.
// the rest are args.
remain.push.apply(remain, args.slice(i + 1))
args[i] = '--'
break
}
var hadEq = false
if (arg.charAt(0) === '-' && arg.length > 1) {
var at = arg.indexOf('=')
if (at > -1) {
hadEq = true
var v = arg.slice(at + 1)
arg = arg.slice(0, at)
args.splice(i, 1, arg, v)
}
// see if it's a shorthand
// if so, splice and back up to re-parse it.
var shRes = resolveShort(arg, shorthands, shortAbbr, abbrevs)
debug('arg=%j shRes=%j', arg, shRes)
if (shRes) {
debug(arg, shRes)
args.splice.apply(args, [i, 1].concat(shRes))
if (arg !== shRes[0]) {
i--
continue
}
}
arg = arg.replace(/^-+/, '')
var no = null
while (arg.toLowerCase().indexOf('no-') === 0) {
no = !no
arg = arg.slice(3)
}
if (abbrevs[arg]) {
arg = abbrevs[arg]
}
var argType = types[arg]
var isTypeArray = Array.isArray(argType)
if (isTypeArray && argType.length === 1) {
isTypeArray = false
argType = argType[0]
}
var isArray = argType === Array ||
isTypeArray && argType.indexOf(Array) !== -1
// allow unknown things to be arrays if specified multiple times.
if (
!Object.prototype.hasOwnProperty.call(types, arg) &&
Object.prototype.hasOwnProperty.call(data, arg)
) {
if (!Array.isArray(data[arg])) {
data[arg] = [data[arg]]
}
isArray = true
}
var val
var la = args[i + 1]
var isBool = typeof no === 'boolean' ||
argType === Boolean ||
isTypeArray && argType.indexOf(Boolean) !== -1 ||
(typeof argType === 'undefined' && !hadEq) ||
(la === 'false' &&
(argType === null ||
isTypeArray && ~argType.indexOf(null)))
if (isBool) {
// just set and move along
val = !no
// however, also support --bool true or --bool false
if (la === 'true' || la === 'false') {
val = JSON.parse(la)
la = null
if (no) {
val = !val
}
i++
}
// also support "foo":[Boolean, "bar"] and "--foo bar"
if (isTypeArray && la) {
if (~argType.indexOf(la)) {
// an explicit type
val = la
i++
} else if (la === 'null' && ~argType.indexOf(null)) {
// null allowed
val = null
i++
} else if (!la.match(/^-{2,}[^-]/) &&
!isNaN(la) &&
~argType.indexOf(Number)) {
// number
val = +la
i++
} else if (!la.match(/^-[^-]/) && ~argType.indexOf(String)) {
// string
val = la
i++
}
}
if (isArray) {
(data[arg] = data[arg] || []).push(val)
} else {
data[arg] = val
}
continue
}
if (argType === String) {
if (la === undefined) {
la = ''
} else if (la.match(/^-{1,2}[^-]+/)) {
la = ''
i--
}
}
if (la && la.match(/^-{2,}$/)) {
la = undefined
i--
}
val = la === undefined ? true : la
if (isArray) {
(data[arg] = data[arg] || []).push(val)
} else {
data[arg] = val
}
i++
continue
}
remain.push(arg)
}
}
function resolveShort (arg, shorthands, shortAbbr, abbrevs) {
// handle single-char shorthands glommed together, like
// npm ls -glp, but only if there is one dash, and only if
// all of the chars are single-char shorthands, and it's
// not a match to some other abbrev.
arg = arg.replace(/^-+/, '')
// if it's an exact known option, then don't go any further
if (abbrevs[arg] === arg) {
return null
}
// if it's an exact known shortopt, same deal
if (shorthands[arg]) {
// make it an array, if it's a list of words
if (shorthands[arg] && !Array.isArray(shorthands[arg])) {
shorthands[arg] = shorthands[arg].split(/\s+/)
}
return shorthands[arg]
}
// first check to see if this arg is a set of single-char shorthands
var singles = shorthands.___singles
if (!singles) {
singles = Object.keys(shorthands).filter(function (s) {
return s.length === 1
}).reduce(function (l, r) {
l[r] = true
return l
}, {})
shorthands.___singles = singles
debug('shorthand singles', singles)
}
var chrs = arg.split('').filter(function (c) {
return singles[c]
})
if (chrs.join('') === arg) {
return chrs.map(function (c) {
return shorthands[c]
}).reduce(function (l, r) {
return l.concat(r)
}, [])
}
// if it's an arg abbrev, and not a literal shorthand, then prefer the arg
if (abbrevs[arg] && !shorthands[arg]) {
return null
}
// if it's an abbr for a shorthand, then use that
if (shortAbbr[arg]) {
arg = shortAbbr[arg]
}
// make it an array, if it's a list of words
if (shorthands[arg] && !Array.isArray(shorthands[arg])) {
shorthands[arg] = shorthands[arg].split(/\s+/)
}
return shorthands[arg]
}
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