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