source: imaps-frontend/node_modules/ansi-styles/index.js

'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 ansi2ansi = n => n;
        const rgb2rgb = (r, g, b) => [r, g, b];

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

        styles.color.ansi = {
                ansi: wrapAnsi16(ansi2ansi, 0)
        };
        styles.color.ansi256 = {
                ansi256: wrapAnsi256(ansi2ansi, 0)
        };
        styles.color.ansi16m = {
                rgb: wrapAnsi16m(rgb2rgb, 0)
        };

        styles.bgColor.ansi = {
                ansi: wrapAnsi16(ansi2ansi, 10)
        };
        styles.bgColor.ansi256 = {
                ansi256: wrapAnsi256(ansi2ansi, 10)
        };
        styles.bgColor.ansi16m = {
                rgb: wrapAnsi16m(rgb2rgb, 10)
        };

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

                const suite = colorConvert[key];

                if (key === 'ansi16') {
                        key = 'ansi';
                }

                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
});