summaryrefslogtreecommitdiff
path: root/tools/node_modules/eslint/node_modules/chalk/node_modules/ansi-styles/index.js
blob: 3d3baa66d75d1ced49b77c01cc86d9aa21f3ba9e (plain)
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
146
147
148
149
150
151
152
'use strict';
const colorConvert = require('color-convert');

const wrapAnsi16 = (fn, offset) => function () {
	const code = fn.apply(colorConvert, arguments);
	return `\u001B[${code + offset}m`;
};

const wrapAnsi256 = (fn, offset) => function () {
	const code = fn.apply(colorConvert, arguments);
	return `\u001B[${38 + offset};5;${code}m`;
};

const wrapAnsi16m = (fn, offset) => function () {
	const rgb = fn.apply(colorConvert, arguments);
	return `\u001B[${38 + offset};2;${rgb[0]};${rgb[1]};${rgb[2]}m`;
};

function assembleStyles() {
	const codes = new Map();
	const styles = {
		modifier: {
			reset: [0, 0],
			// 21 isn't widely supported and 22 does the same thing
			bold: [1, 22],
			dim: [2, 22],
			italic: [3, 23],
			underline: [4, 24],
			inverse: [7, 27],
			hidden: [8, 28],
			strikethrough: [9, 29]
		},
		color: {
			black: [30, 39],
			red: [31, 39],
			green: [32, 39],
			yellow: [33, 39],
			blue: [34, 39],
			magenta: [35, 39],
			cyan: [36, 39],
			white: [37, 39],
			gray: [90, 39],

			// Bright color
			redBright: [91, 39],
			greenBright: [92, 39],
			yellowBright: [93, 39],
			blueBright: [94, 39],
			magentaBright: [95, 39],
			cyanBright: [96, 39],
			whiteBright: [97, 39]
		},
		bgColor: {
			bgBlack: [40, 49],
			bgRed: [41, 49],
			bgGreen: [42, 49],
			bgYellow: [43, 49],
			bgBlue: [44, 49],
			bgMagenta: [45, 49],
			bgCyan: [46, 49],
			bgWhite: [47, 49],

			// Bright color
			bgBlackBright: [100, 49],
			bgRedBright: [101, 49],
			bgGreenBright: [102, 49],
			bgYellowBright: [103, 49],
			bgBlueBright: [104, 49],
			bgMagentaBright: [105, 49],
			bgCyanBright: [106, 49],
			bgWhiteBright: [107, 49]
		}
	};

	// Fix humans
	styles.color.grey = styles.color.gray;

	for (const groupName of Object.keys(styles)) {
		const group = styles[groupName];

		for (const styleName of Object.keys(group)) {
			const style = group[styleName];

			styles[styleName] = {
				open: `\u001B[${style[0]}m`,
				close: `\u001B[${style[1]}m`
			};

			group[styleName] = styles[styleName];

			codes.set(style[0], style[1]);
		}

		Object.defineProperty(styles, groupName, {
			value: group,
			enumerable: false
		});

		Object.defineProperty(styles, 'codes', {
			value: codes,
			enumerable: false
		});
	}

	const rgb2rgb = (r, g, b) => [r, g, b];

	styles.color.close = '\u001B[39m';
	styles.bgColor.close = '\u001B[49m';

	styles.color.ansi = {};
	styles.color.ansi256 = {};
	styles.color.ansi16m = {
		rgb: wrapAnsi16m(rgb2rgb, 0)
	};

	styles.bgColor.ansi = {};
	styles.bgColor.ansi256 = {};
	styles.bgColor.ansi16m = {
		rgb: wrapAnsi16m(rgb2rgb, 10)
	};

	for (const key of Object.keys(colorConvert)) {
		if (typeof colorConvert[key] !== 'object') {
			continue;
		}

		const suite = colorConvert[key];

		if ('ansi16' in suite) {
			styles.color.ansi[key] = wrapAnsi16(suite.ansi16, 0);
			styles.bgColor.ansi[key] = wrapAnsi16(suite.ansi16, 10);
		}

		if ('ansi256' in suite) {
			styles.color.ansi256[key] = wrapAnsi256(suite.ansi256, 0);
			styles.bgColor.ansi256[key] = wrapAnsi256(suite.ansi256, 10);
		}

		if ('rgb' in suite) {
			styles.color.ansi16m[key] = wrapAnsi16m(suite.rgb, 0);
			styles.bgColor.ansi16m[key] = wrapAnsi16m(suite.rgb, 10);
		}
	}

	return styles;
}

// Make the export immutable
Object.defineProperty(module, 'exports', {
	enumerable: true,
	get: assembleStyles
});