File size: 3,850 Bytes
369fac9
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
import Option from "./Option.ts";
export const removeBrackets = (v: string) => v.replace(/[<[].+/, '').trim();
export const findAllBrackets = (v: string) => {
  const ANGLED_BRACKET_RE_GLOBAL = /<([^>]+)>/g;
  const SQUARE_BRACKET_RE_GLOBAL = /\[([^\]]+)\]/g;
  const res = [];

  const parse = (match: string[]) => {
    let variadic = false;
    let value = match[1];

    if (value.startsWith('...')) {
      value = value.slice(3);
      variadic = true;
    }

    return {
      required: match[0].startsWith('<'),
      value,
      variadic
    };
  };

  let angledMatch;

  while (angledMatch = ANGLED_BRACKET_RE_GLOBAL.exec(v)) {
    res.push(parse(angledMatch));
  }

  let squareMatch;

  while (squareMatch = SQUARE_BRACKET_RE_GLOBAL.exec(v)) {
    res.push(parse(squareMatch));
  }

  return res;
};
interface MriOptions {
  alias: {
    [k: string]: string[];
  };
  boolean: string[];
}
export const getMriOptions = (options: Option[]) => {
  const result: MriOptions = {
    alias: {},
    boolean: []
  };

  for (const [index, option] of options.entries()) {
    // We do not set default values in mri options
    // Since its type (typeof) will be used to cast parsed arguments.
    // Which mean `--foo foo` will be parsed as `{foo: true}` if we have `{default:{foo: true}}`
    // Set alias
    if (option.names.length > 1) {
      result.alias[option.names[0]] = option.names.slice(1);
    } // Set boolean


    if (option.isBoolean) {
      if (option.negated) {
        // For negated option
        // We only set it to `boolean` type when there's no string-type option with the same name
        const hasStringTypeOption = options.some((o, i) => {
          return i !== index && o.names.some(name => option.names.includes(name)) && typeof o.required === 'boolean';
        });

        if (!hasStringTypeOption) {
          result.boolean.push(option.names[0]);
        }
      } else {
        result.boolean.push(option.names[0]);
      }
    }
  }

  return result;
};
export const findLongest = (arr: string[]) => {
  return arr.sort((a, b) => {
    return a.length > b.length ? -1 : 1;
  })[0];
};
export const padRight = (str: string, length: number) => {
  return str.length >= length ? str : `${str}${' '.repeat(length - str.length)}`;
};
export const camelcase = (input: string) => {
  return input.replace(/([a-z])-([a-z])/g, (_, p1, p2) => {
    return p1 + p2.toUpperCase();
  });
};
export const setDotProp = (obj: {
  [k: string]: any;
}, keys: string[], val: any) => {
  let i = 0;
  let length = keys.length;
  let t = obj;
  let x;

  for (; i < length; ++i) {
    x = t[keys[i]];
    t = t[keys[i]] = i === length - 1 ? val : x != null ? x : !!~keys[i + 1].indexOf('.') || !(+keys[i + 1] > -1) ? {} : [];
  }
};
export const setByType = (obj: {
  [k: string]: any;
}, transforms: {
  [k: string]: any;
}) => {
  for (const key of Object.keys(transforms)) {
    const transform = transforms[key];

    if (transform.shouldTransform) {
      obj[key] = Array.prototype.concat.call([], obj[key]);

      if (typeof transform.transformFunction === 'function') {
        obj[key] = obj[key].map(transform.transformFunction);
      }
    }
  }
};
export const getFileName = (input: string) => {
  const m = /([^\\\/]+)$/.exec(input);
  return m ? m[1] : '';
};
export const camelcaseOptionName = (name: string) => {
  // Camelcase the option name
  // Don't camelcase anything after the dot `.`
  return name.split('.').map((v, i) => {
    return i === 0 ? camelcase(v) : v;
  }).join('.');
};
export class CACError extends Error {
  constructor(message: string) {
    super(message);
    this.name = this.constructor.name;

    if (typeof Error.captureStackTrace === 'function') {
      Error.captureStackTrace(this, this.constructor);
    } else {
      this.stack = new Error(message).stack;
    }
  }

}