source: trip-planner-front/node_modules/nanocolors/index.js@ ceaed42

Last change on this file since ceaed42 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit
  • Property mode set to 100644
File size: 3.1 KB
Line 
1import tty from 'tty'
2
3let isDisabled = 'NO_COLOR' in process.env
4let isForced = 'FORCE_COLOR' in process.env
5let isWindows = process.platform === 'win32'
6
7let isCompatibleTerminal =
8 tty && tty.isatty(1) && process.env.TERM && process.env.TERM !== 'dumb'
9
10let isCI =
11 'CI' in process.env &&
12 ('GITHUB_ACTIONS' in process.env ||
13 'GITLAB_CI' in process.env ||
14 'CIRCLECI' in process.env)
15
16export let isColorSupported =
17 !isDisabled && (isForced || isWindows || isCompatibleTerminal || isCI)
18
19let nope = s => String(s)
20
21function color(open, close, closeRegexp) {
22 return s => {
23 if (s === '') {
24 return s
25 } else {
26 return (
27 open +
28 (!!~('' + s).indexOf(close, 4) ? s.replace(closeRegexp, open) : s) +
29 close
30 )
31 }
32 }
33}
34
35let close39 = '\x1b[39m'
36let close49 = '\x1b[49m'
37let regexp39 = /\x1b\[39m/g
38let regexp49 = /\x1b\[49m/g
39
40export function createColors(enabled = isColorSupported) {
41 if (enabled) {
42 return {
43 isColorSupported: true,
44 reset: s => `\x1b[0m${s}\x1b[0m`,
45 bold: color('\x1b[1m', '\x1b[22m', /\x1b\[22m/g),
46 dim: color('\x1b[2m', '\x1b[22m', /\x1b\[22m/g),
47 italic: color('\x1b[3m', '\x1b[23m', /\x1b\[23m/g),
48 underline: color('\x1b[4m', '\x1b[24m', /\x1b\[24m/g),
49 inverse: color('\x1b[7m', '\x1b[27m', /\x1b\[27m/g),
50 hidden: color('\x1b[8m', '\x1b[28m', /\x1b\[28m/g),
51 strikethrough: color('\x1b[9m', '\x1b[29m', /\x1b\[29m/g),
52 black: color('\x1b[30m', close39, regexp39),
53 red: color('\x1b[31m', close39, regexp39),
54 green: color('\x1b[32m', close39, regexp39),
55 yellow: color('\x1b[33m', close39, regexp39),
56 blue: color('\x1b[34m', close39, regexp39),
57 magenta: color('\x1b[35m', close39, regexp39),
58 cyan: color('\x1b[36m', close39, regexp39),
59 white: color('\x1b[37m', close39, regexp39),
60 gray: color('\x1b[90m', close39, regexp39),
61 bgBlack: color('\x1b[40m', close49, regexp49),
62 bgRed: color('\x1b[41m', close49, regexp49),
63 bgGreen: color('\x1b[42m', close49, regexp49),
64 bgYellow: color('\x1b[43m', close49, regexp49),
65 bgBlue: color('\x1b[44m', close49, regexp49),
66 bgMagenta: color('\x1b[45m', close49, regexp49),
67 bgCyan: color('\x1b[46m', close49, regexp49),
68 bgWhite: color('\x1b[47m', close49, regexp49)
69 }
70 } else {
71 return {
72 isColorSupported: false,
73 reset: nope,
74 bold: nope,
75 dim: nope,
76 italic: nope,
77 underline: nope,
78 inverse: nope,
79 hidden: nope,
80 strikethrough: nope,
81 black: nope,
82 red: nope,
83 green: nope,
84 yellow: nope,
85 blue: nope,
86 magenta: nope,
87 cyan: nope,
88 white: nope,
89 gray: nope,
90 bgBlack: nope,
91 bgRed: nope,
92 bgGreen: nope,
93 bgYellow: nope,
94 bgBlue: nope,
95 bgMagenta: nope,
96 bgCyan: nope,
97 bgWhite: nope
98 }
99 }
100}
101
102export let {
103 reset,
104 bold,
105 dim,
106 italic,
107 underline,
108 inverse,
109 hidden,
110 strikethrough,
111 black,
112 red,
113 green,
114 yellow,
115 blue,
116 magenta,
117 cyan,
118 white,
119 gray,
120 bgBlack,
121 bgRed,
122 bgGreen,
123 bgYellow,
124 bgBlue,
125 bgMagenta,
126 bgCyan,
127 bgWhite
128} = createColors(isColorSupported)
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