All files / coa/lib arg.js

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
 
 
 
1x
1x
 
 
 
 
 
 
 
 
 
1x
 
 
 
 
 
16x
 
16x
 
 
 
31x
 
31x
31x
 
 
 
31x
 
 
 
28x
 
 
 
2x
 
 
 
1x
 
1x
 
1x
 
1x
 
 
 
1x
 
 
 
'use strict';
 
const
    CoaParam = require('./coaparam'),
    Color = require('./color');
 
/**
 * 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(Color('lpurple', this._name.toUpperCase()), ' : ', this._title);
 
        this._req && res.push(' ', Color('lred', '(required)'));
 
        return res.join('');
    }
 
    _requiredText() {
        return `Missing required argument:\n  ${this._usage()}`;
    }
};