1 | 'use strict';
|
2 |
|
3 | const isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);
|
4 |
|
5 |
|
6 |
|
7 | const ANSI_REGEX = /[\u001b\u009b][[\]#;?()]*(?:(?:(?:[^\W_]*;?[^\W_]*)\u0007)|(?:(?:[0-9]{1,4}(;[0-9]{0,4})*)?[~0-9=<>cf-nqrtyA-PRZ]))/g;
|
8 |
|
9 | const hasColor = () => {
|
10 | if (typeof process !== 'undefined') {
|
11 | return process.env.FORCE_COLOR !== '0';
|
12 | }
|
13 | return false;
|
14 | };
|
15 |
|
16 | const create = () => {
|
17 | const colors = {
|
18 | enabled: hasColor(),
|
19 | visible: true,
|
20 | styles: {},
|
21 | keys: {}
|
22 | };
|
23 |
|
24 | const ansi = style => {
|
25 | let open = style.open = `\u001b[${style.codes[0]}m`;
|
26 | let close = style.close = `\u001b[${style.codes[1]}m`;
|
27 | let regex = style.regex = new RegExp(`\\u001b\\[${style.codes[1]}m`, 'g');
|
28 | style.wrap = (input, newline) => {
|
29 | if (input.includes(close)) input = input.replace(regex, close + open);
|
30 | let output = open + input + close;
|
31 |
|
32 |
|
33 |
|
34 | return newline ? output.replace(/\r*\n/g, `${close}$&${open}`) : output;
|
35 | };
|
36 | return style;
|
37 | };
|
38 |
|
39 | const wrap = (style, input, newline) => {
|
40 | return typeof style === 'function' ? style(input) : style.wrap(input, newline);
|
41 | };
|
42 |
|
43 | const style = (input, stack) => {
|
44 | if (input === '' || input == null) return '';
|
45 | if (colors.enabled === false) return input;
|
46 | if (colors.visible === false) return '';
|
47 | let str = '' + input;
|
48 | let nl = str.includes('\n');
|
49 | let n = stack.length;
|
50 | if (n > 0 && stack.includes('unstyle')) {
|
51 | stack = [...new Set(['unstyle', ...stack])].reverse();
|
52 | }
|
53 | while (n-- > 0) str = wrap(colors.styles[stack[n]], str, nl);
|
54 | return str;
|
55 | };
|
56 |
|
57 | const define = (name, codes, type) => {
|
58 | colors.styles[name] = ansi({ name, codes });
|
59 | let keys = colors.keys[type] || (colors.keys[type] = []);
|
60 | keys.push(name);
|
61 |
|
62 | Reflect.defineProperty(colors, name, {
|
63 | configurable: true,
|
64 | enumerable: true,
|
65 | set(value) {
|
66 | colors.alias(name, value);
|
67 | },
|
68 | get() {
|
69 | let color = input => style(input, color.stack);
|
70 | Reflect.setPrototypeOf(color, colors);
|
71 | color.stack = this.stack ? this.stack.concat(name) : [name];
|
72 | return color;
|
73 | }
|
74 | });
|
75 | };
|
76 |
|
77 | define('reset', [0, 0], 'modifier');
|
78 | define('bold', [1, 22], 'modifier');
|
79 | define('dim', [2, 22], 'modifier');
|
80 | define('italic', [3, 23], 'modifier');
|
81 | define('underline', [4, 24], 'modifier');
|
82 | define('inverse', [7, 27], 'modifier');
|
83 | define('hidden', [8, 28], 'modifier');
|
84 | define('strikethrough', [9, 29], 'modifier');
|
85 |
|
86 | define('black', [30, 39], 'color');
|
87 | define('red', [31, 39], 'color');
|
88 | define('green', [32, 39], 'color');
|
89 | define('yellow', [33, 39], 'color');
|
90 | define('blue', [34, 39], 'color');
|
91 | define('magenta', [35, 39], 'color');
|
92 | define('cyan', [36, 39], 'color');
|
93 | define('white', [37, 39], 'color');
|
94 | define('gray', [90, 39], 'color');
|
95 | define('grey', [90, 39], 'color');
|
96 |
|
97 | define('bgBlack', [40, 49], 'bg');
|
98 | define('bgRed', [41, 49], 'bg');
|
99 | define('bgGreen', [42, 49], 'bg');
|
100 | define('bgYellow', [43, 49], 'bg');
|
101 | define('bgBlue', [44, 49], 'bg');
|
102 | define('bgMagenta', [45, 49], 'bg');
|
103 | define('bgCyan', [46, 49], 'bg');
|
104 | define('bgWhite', [47, 49], 'bg');
|
105 |
|
106 | define('blackBright', [90, 39], 'bright');
|
107 | define('redBright', [91, 39], 'bright');
|
108 | define('greenBright', [92, 39], 'bright');
|
109 | define('yellowBright', [93, 39], 'bright');
|
110 | define('blueBright', [94, 39], 'bright');
|
111 | define('magentaBright', [95, 39], 'bright');
|
112 | define('cyanBright', [96, 39], 'bright');
|
113 | define('whiteBright', [97, 39], 'bright');
|
114 |
|
115 | define('bgBlackBright', [100, 49], 'bgBright');
|
116 | define('bgRedBright', [101, 49], 'bgBright');
|
117 | define('bgGreenBright', [102, 49], 'bgBright');
|
118 | define('bgYellowBright', [103, 49], 'bgBright');
|
119 | define('bgBlueBright', [104, 49], 'bgBright');
|
120 | define('bgMagentaBright', [105, 49], 'bgBright');
|
121 | define('bgCyanBright', [106, 49], 'bgBright');
|
122 | define('bgWhiteBright', [107, 49], 'bgBright');
|
123 |
|
124 | colors.ansiRegex = ANSI_REGEX;
|
125 | colors.hasColor = colors.hasAnsi = str => {
|
126 | colors.ansiRegex.lastIndex = 0;
|
127 | return typeof str === 'string' && str !== '' && colors.ansiRegex.test(str);
|
128 | };
|
129 |
|
130 | colors.alias = (name, color) => {
|
131 | let fn = typeof color === 'string' ? colors[color] : color;
|
132 |
|
133 | if (typeof fn !== 'function') {
|
134 | throw new TypeError('Expected alias to be the name of an existing color (string) or a function');
|
135 | }
|
136 |
|
137 | if (!fn.stack) {
|
138 | Reflect.defineProperty(fn, 'name', { value: name });
|
139 | colors.styles[name] = fn;
|
140 | fn.stack = [name];
|
141 | }
|
142 |
|
143 | Reflect.defineProperty(colors, name, {
|
144 | configurable: true,
|
145 | enumerable: true,
|
146 | set(value) {
|
147 | colors.alias(name, value);
|
148 | },
|
149 | get() {
|
150 | let color = input => style(input, color.stack);
|
151 | Reflect.setPrototypeOf(color, colors);
|
152 | color.stack = this.stack ? this.stack.concat(fn.stack) : fn.stack;
|
153 | return color;
|
154 | }
|
155 | });
|
156 | };
|
157 |
|
158 | colors.theme = custom => {
|
159 | if (!isObject(custom)) throw new TypeError('Expected theme to be an object');
|
160 | for (let name of Object.keys(custom)) {
|
161 | colors.alias(name, custom[name]);
|
162 | }
|
163 | return colors;
|
164 | };
|
165 |
|
166 | colors.alias('unstyle', str => {
|
167 | if (typeof str === 'string' && str !== '') {
|
168 | colors.ansiRegex.lastIndex = 0;
|
169 | return str.replace(colors.ansiRegex, '');
|
170 | }
|
171 | return '';
|
172 | });
|
173 |
|
174 | colors.alias('noop', str => str);
|
175 | colors.none = colors.clear = colors.noop;
|
176 |
|
177 | colors.stripColor = colors.unstyle;
|
178 | colors.symbols = require('./symbols');
|
179 | colors.define = define;
|
180 | return colors;
|
181 | };
|
182 |
|
183 | module.exports = create();
|
184 | module.exports.create = create;
|