| 'use strict'; |
| |
| const |
| CoaParam = require('./coaparam'), |
| chalk = require('chalk'); |
| |
| /** |
| * Argument |
| * |
| * Unnamed entity. From command line arguments passed as list of unnamed values. |
| * |
| * @class Arg |
| * @extends CoaParam |
| */ |
| module.exports = class Arg extends CoaParam { |
| /** |
| * @constructs |
| * @param {COA.Cmd} cmd - parent command |
| */ |
| constructor(cmd) { |
| super(cmd); |
| |
| this._cmd._args.push(this); |
| } |
| |
| _saveVal(args, val) { |
| this._val && (val = this._val(val)); |
| |
| const name = this._name; |
| this._arr |
| ? (args[name] || (args[name] = [])).push(val) |
| : (args[name] = val); |
| |
| return val; |
| } |
| |
| _parse(arg, args) { |
| return this._saveVal(args, arg); |
| } |
| |
| _checkParsed(opts, args) { |
| return !args.hasOwnProperty(this._name); |
| } |
| |
| _usage() { |
| const res = []; |
| |
| res.push(chalk.magentaBright(this._name.toUpperCase()), ' : ', this._title); |
| |
| this._req && res.push(' ', chalk.redBright('(required)')); |
| |
| return res.join(''); |
| } |
| |
| _requiredText() { |
| return `Missing required argument:\n ${this._usage()}`; |
| } |
| }; |