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- 'use strict';
- const { FORCE_COLOR, NODE_DISABLE_COLORS, TERM } = process.env;
- const $ = {
- enabled: !NODE_DISABLE_COLORS && TERM !== 'dumb' && FORCE_COLOR !== '0',
- // modifiers
- reset: init(0, 0),
- bold: init(1, 22),
- dim: init(2, 22),
- italic: init(3, 23),
- underline: init(4, 24),
- inverse: init(7, 27),
- hidden: init(8, 28),
- strikethrough: init(9, 29),
- // colors
- black: init(30, 39),
- red: init(31, 39),
- green: init(32, 39),
- yellow: init(33, 39),
- blue: init(34, 39),
- magenta: init(35, 39),
- cyan: init(36, 39),
- white: init(37, 39),
- gray: init(90, 39),
- grey: init(90, 39),
- // background colors
- bgBlack: init(40, 49),
- bgRed: init(41, 49),
- bgGreen: init(42, 49),
- bgYellow: init(43, 49),
- bgBlue: init(44, 49),
- bgMagenta: init(45, 49),
- bgCyan: init(46, 49),
- bgWhite: init(47, 49)
- };
- function run(arr, str) {
- let i=0, tmp, beg='', end='';
- for (; i < arr.length; i++) {
- tmp = arr[i];
- beg += tmp.open;
- end += tmp.close;
- if (str.includes(tmp.close)) {
- str = str.replace(tmp.rgx, tmp.close + tmp.open);
- }
- }
- return beg + str + end;
- }
- function chain(has, keys) {
- let ctx = { has, keys };
- ctx.reset = $.reset.bind(ctx);
- ctx.bold = $.bold.bind(ctx);
- ctx.dim = $.dim.bind(ctx);
- ctx.italic = $.italic.bind(ctx);
- ctx.underline = $.underline.bind(ctx);
- ctx.inverse = $.inverse.bind(ctx);
- ctx.hidden = $.hidden.bind(ctx);
- ctx.strikethrough = $.strikethrough.bind(ctx);
- ctx.black = $.black.bind(ctx);
- ctx.red = $.red.bind(ctx);
- ctx.green = $.green.bind(ctx);
- ctx.yellow = $.yellow.bind(ctx);
- ctx.blue = $.blue.bind(ctx);
- ctx.magenta = $.magenta.bind(ctx);
- ctx.cyan = $.cyan.bind(ctx);
- ctx.white = $.white.bind(ctx);
- ctx.gray = $.gray.bind(ctx);
- ctx.grey = $.grey.bind(ctx);
- ctx.bgBlack = $.bgBlack.bind(ctx);
- ctx.bgRed = $.bgRed.bind(ctx);
- ctx.bgGreen = $.bgGreen.bind(ctx);
- ctx.bgYellow = $.bgYellow.bind(ctx);
- ctx.bgBlue = $.bgBlue.bind(ctx);
- ctx.bgMagenta = $.bgMagenta.bind(ctx);
- ctx.bgCyan = $.bgCyan.bind(ctx);
- ctx.bgWhite = $.bgWhite.bind(ctx);
- return ctx;
- }
- function init(open, close) {
- let blk = {
- open: `\x1b[${open}m`,
- close: `\x1b[${close}m`,
- rgx: new RegExp(`\\x1b\\[${close}m`, 'g')
- };
- return function (txt) {
- if (this !== void 0 && this.has !== void 0) {
- this.has.includes(open) || (this.has.push(open),this.keys.push(blk));
- return txt === void 0 ? this : $.enabled ? run(this.keys, txt+'') : txt+'';
- }
- return txt === void 0 ? chain([open], [blk]) : $.enabled ? run([blk], txt+'') : txt+'';
- };
- }
- module.exports = $;
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