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- var enabled = true;
- // Support both browser and node environments
- var globalVar = typeof self !== 'undefined'
- ? self
- : typeof window !== 'undefined'
- ? window
- : typeof global !== 'undefined'
- ? global
- : {};
- /**
- * Detect how much colors the current terminal supports
- */
- var supportLevel = 0 /* none */;
- if (globalVar.process && globalVar.process.env && globalVar.process.stdout) {
- var _a = globalVar.process.env, FORCE_COLOR = _a.FORCE_COLOR, NODE_DISABLE_COLORS = _a.NODE_DISABLE_COLORS, NO_COLOR = _a.NO_COLOR, TERM = _a.TERM, COLORTERM = _a.COLORTERM;
- 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(function (vendor) { return 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 var options = {
- enabled: enabled,
- supportLevel: supportLevel,
- };
- function kolorist(start, end, level) {
- if (level === void 0) { level = 1 /* ansi */; }
- var open = "\u001B[" + start + "m";
- var close = "\u001B[" + end + "m";
- var regex = new RegExp("\\x1b\\[" + end + "m", 'g');
- return function (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;
- }
- var 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, function (_, group) { return group; });
- }
- // modifiers
- export var reset = kolorist(0, 0);
- export var bold = kolorist(1, 22);
- export var dim = kolorist(2, 22);
- export var italic = kolorist(3, 23);
- export var underline = kolorist(4, 24);
- export var inverse = kolorist(7, 27);
- export var hidden = kolorist(8, 28);
- export var strikethrough = kolorist(9, 29);
- // colors
- export var black = kolorist(30, 39);
- export var red = kolorist(31, 39);
- export var green = kolorist(32, 39);
- export var yellow = kolorist(33, 39);
- export var blue = kolorist(34, 39);
- export var magenta = kolorist(35, 39);
- export var cyan = kolorist(36, 39);
- export var white = kolorist(97, 39);
- export var gray = kolorist(90, 39);
- export var lightGray = kolorist(37, 39);
- export var lightRed = kolorist(91, 39);
- export var lightGreen = kolorist(92, 39);
- export var lightYellow = kolorist(93, 39);
- export var lightBlue = kolorist(94, 39);
- export var lightMagenta = kolorist(95, 39);
- export var lightCyan = kolorist(96, 39);
- // background colors
- export var bgBlack = kolorist(40, 49);
- export var bgRed = kolorist(41, 49);
- export var bgGreen = kolorist(42, 49);
- export var bgYellow = kolorist(43, 49);
- export var bgBlue = kolorist(44, 49);
- export var bgMagenta = kolorist(45, 49);
- export var bgCyan = kolorist(46, 49);
- export var bgWhite = kolorist(107, 49);
- export var bgGray = kolorist(100, 49);
- export var bgLightRed = kolorist(101, 49);
- export var bgLightGreen = kolorist(102, 49);
- export var bgLightYellow = kolorist(103, 49);
- export var bgLightBlue = kolorist(104, 49);
- export var bgLightMagenta = kolorist(105, 49);
- export var bgLightCyan = kolorist(106, 49);
- export var bgLightGray = kolorist(47, 49);
- // 256 support
- export var ansi256 = function (n) {
- return kolorist('38;5;' + n, 0, 2 /* ansi256 */);
- };
- export var ansi256Bg = function (n) {
- return kolorist('48;5;' + n, 0, 2 /* ansi256 */);
- };
- // TrueColor 24bit support
- export var trueColor = function (r, g, b) {
- return options.supportLevel === 2 /* ansi256 */
- ? ansi256(rgbToAnsi256(r, g, b))
- : kolorist("38;2;" + r + ";" + g + ";" + b, 0, 3 /* trueColor */);
- };
- export var trueColorBg = function (r, g, b) {
- return options.supportLevel === 2 /* ansi256 */
- ? ansi256Bg(rgbToAnsi256(r, g, b))
- : kolorist("48;2;" + r + ";" + g + ";" + b, 0, 3 /* trueColor */);
- };
- // Links
- var OSC = '\u001B]';
- var BEL = '\u0007';
- var 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
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