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Direktori : /opt/alt/alt-nodejs16/root/usr/lib/node_modules/npm/node_modules/nopt/lib/ |
Current File : //opt/alt/alt-nodejs16/root/usr/lib/node_modules/npm/node_modules/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] }