167 lines
5.7 KiB
JavaScript
167 lines
5.7 KiB
JavaScript
|
let enabled = true;
|
||
|
// Support both browser and node environments
|
||
|
const globalVar = typeof self !== 'undefined'
|
||
|
? self
|
||
|
: typeof window !== 'undefined'
|
||
|
? window
|
||
|
: typeof global !== 'undefined'
|
||
|
? global
|
||
|
: {};
|
||
|
/**
|
||
|
* Detect how much colors the current terminal supports
|
||
|
*/
|
||
|
let supportLevel = 0 /* none */;
|
||
|
if (globalVar.process && globalVar.process.env && globalVar.process.stdout) {
|
||
|
const { FORCE_COLOR, NODE_DISABLE_COLORS, NO_COLOR, TERM, COLORTERM } = globalVar.process.env;
|
||
|
if (NODE_DISABLE_COLORS || NO_COLOR || FORCE_COLOR === '0') {
|
||
|
enabled = false;
|
||
|
}
|
||
|
else if (FORCE_COLOR === '1' ||
|
||
|
FORCE_COLOR === '2' ||
|
||
|
FORCE_COLOR === '3') {
|
||
|
enabled = true;
|
||
|
}
|
||
|
else if (TERM === 'dumb') {
|
||
|
enabled = false;
|
||
|
}
|
||
|
else if ('CI' in globalVar.process.env &&
|
||
|
[
|
||
|
'TRAVIS',
|
||
|
'CIRCLECI',
|
||
|
'APPVEYOR',
|
||
|
'GITLAB_CI',
|
||
|
'GITHUB_ACTIONS',
|
||
|
'BUILDKITE',
|
||
|
'DRONE',
|
||
|
].some(vendor => vendor in globalVar.process.env)) {
|
||
|
enabled = true;
|
||
|
}
|
||
|
else {
|
||
|
enabled = process.stdout.isTTY;
|
||
|
}
|
||
|
if (enabled) {
|
||
|
// Windows supports 24bit True Colors since Windows 10 revision #14931,
|
||
|
// see https://devblogs.microsoft.com/commandline/24-bit-color-in-the-windows-console/
|
||
|
if (process.platform === 'win32') {
|
||
|
supportLevel = 3 /* trueColor */;
|
||
|
}
|
||
|
else {
|
||
|
if (COLORTERM && (COLORTERM === 'truecolor' || COLORTERM === '24bit')) {
|
||
|
supportLevel = 3 /* trueColor */;
|
||
|
}
|
||
|
else if (TERM && (TERM.endsWith('-256color') || TERM.endsWith('256'))) {
|
||
|
supportLevel = 2 /* ansi256 */;
|
||
|
}
|
||
|
else {
|
||
|
supportLevel = 1 /* ansi */;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
export let options = {
|
||
|
enabled,
|
||
|
supportLevel,
|
||
|
};
|
||
|
function kolorist(start, end, level = 1 /* ansi */) {
|
||
|
const open = `\x1b[${start}m`;
|
||
|
const close = `\x1b[${end}m`;
|
||
|
const regex = new RegExp(`\\x1b\\[${end}m`, 'g');
|
||
|
return (str) => {
|
||
|
return options.enabled && options.supportLevel >= level
|
||
|
? open + ('' + str).replace(regex, open) + close
|
||
|
: '' + str;
|
||
|
};
|
||
|
}
|
||
|
// Lower colors into 256 color space
|
||
|
// Taken from https://github.com/Qix-/color-convert/blob/3f0e0d4e92e235796ccb17f6e85c72094a651f49/conversions.js
|
||
|
// which is MIT licensed and copyright by Heather Arthur and Josh Junon
|
||
|
function rgbToAnsi256(r, g, b) {
|
||
|
// We use the extended greyscale palette here, with the exception of
|
||
|
// black and white. normal palette only has 4 greyscale shades.
|
||
|
if (r >> 4 === g >> 4 && g >> 4 === b >> 4) {
|
||
|
if (r < 8) {
|
||
|
return 16;
|
||
|
}
|
||
|
if (r > 248) {
|
||
|
return 231;
|
||
|
}
|
||
|
return Math.round(((r - 8) / 247) * 24) + 232;
|
||
|
}
|
||
|
const ansi = 16 +
|
||
|
36 * Math.round((r / 255) * 5) +
|
||
|
6 * Math.round((g / 255) * 5) +
|
||
|
Math.round((b / 255) * 5);
|
||
|
return ansi;
|
||
|
}
|
||
|
export function stripColors(str) {
|
||
|
return ('' + str)
|
||
|
.replace(/\x1b\[[0-9;]+m/g, '')
|
||
|
.replace(/\x1b\]8;;.*?\x07(.*?)\x1b\]8;;\x07/g, (_, group) => group);
|
||
|
}
|
||
|
// modifiers
|
||
|
export const reset = kolorist(0, 0);
|
||
|
export const bold = kolorist(1, 22);
|
||
|
export const dim = kolorist(2, 22);
|
||
|
export const italic = kolorist(3, 23);
|
||
|
export const underline = kolorist(4, 24);
|
||
|
export const inverse = kolorist(7, 27);
|
||
|
export const hidden = kolorist(8, 28);
|
||
|
export const strikethrough = kolorist(9, 29);
|
||
|
// colors
|
||
|
export const black = kolorist(30, 39);
|
||
|
export const red = kolorist(31, 39);
|
||
|
export const green = kolorist(32, 39);
|
||
|
export const yellow = kolorist(33, 39);
|
||
|
export const blue = kolorist(34, 39);
|
||
|
export const magenta = kolorist(35, 39);
|
||
|
export const cyan = kolorist(36, 39);
|
||
|
export const white = kolorist(97, 39);
|
||
|
export const gray = kolorist(90, 39);
|
||
|
export const lightGray = kolorist(37, 39);
|
||
|
export const lightRed = kolorist(91, 39);
|
||
|
export const lightGreen = kolorist(92, 39);
|
||
|
export const lightYellow = kolorist(93, 39);
|
||
|
export const lightBlue = kolorist(94, 39);
|
||
|
export const lightMagenta = kolorist(95, 39);
|
||
|
export const lightCyan = kolorist(96, 39);
|
||
|
// background colors
|
||
|
export const bgBlack = kolorist(40, 49);
|
||
|
export const bgRed = kolorist(41, 49);
|
||
|
export const bgGreen = kolorist(42, 49);
|
||
|
export const bgYellow = kolorist(43, 49);
|
||
|
export const bgBlue = kolorist(44, 49);
|
||
|
export const bgMagenta = kolorist(45, 49);
|
||
|
export const bgCyan = kolorist(46, 49);
|
||
|
export const bgWhite = kolorist(107, 49);
|
||
|
export const bgGray = kolorist(100, 49);
|
||
|
export const bgLightRed = kolorist(101, 49);
|
||
|
export const bgLightGreen = kolorist(102, 49);
|
||
|
export const bgLightYellow = kolorist(103, 49);
|
||
|
export const bgLightBlue = kolorist(104, 49);
|
||
|
export const bgLightMagenta = kolorist(105, 49);
|
||
|
export const bgLightCyan = kolorist(106, 49);
|
||
|
export const bgLightGray = kolorist(47, 49);
|
||
|
// 256 support
|
||
|
export const ansi256 = (n) => kolorist('38;5;' + n, 0, 2 /* ansi256 */);
|
||
|
export const ansi256Bg = (n) => kolorist('48;5;' + n, 0, 2 /* ansi256 */);
|
||
|
// TrueColor 24bit support
|
||
|
export const trueColor = (r, g, b) => {
|
||
|
return options.supportLevel === 2 /* ansi256 */
|
||
|
? ansi256(rgbToAnsi256(r, g, b))
|
||
|
: kolorist(`38;2;${r};${g};${b}`, 0, 3 /* trueColor */);
|
||
|
};
|
||
|
export const trueColorBg = (r, g, b) => {
|
||
|
return options.supportLevel === 2 /* ansi256 */
|
||
|
? ansi256Bg(rgbToAnsi256(r, g, b))
|
||
|
: kolorist(`48;2;${r};${g};${b}`, 0, 3 /* trueColor */);
|
||
|
};
|
||
|
// Links
|
||
|
const OSC = '\u001B]';
|
||
|
const BEL = '\u0007';
|
||
|
const SEP = ';';
|
||
|
export function link(text, url) {
|
||
|
return options.enabled
|
||
|
? OSC + '8' + SEP + SEP + url + BEL + text + OSC + '8' + SEP + SEP + BEL
|
||
|
: `${text} (\u200B${url}\u200B)`;
|
||
|
}
|
||
|
//# sourceMappingURL=index.js.map
|