enb/lib/ui/colorize.js

Faster BEM/BEViS assembler

var tty = require('tty');

var styles = {
    'bold':      ['\033[1m', '\033[22m'],
    'italic':    ['\033[3m', '\033[23m'],
    'underline': ['\033[4m', '\033[24m'],
    'inverse':   ['\033[7m', '\033[27m'],
    'black':     ['\033[30m', '\033[39m'],
    'red':       ['\033[31m', '\033[39m'],
    'green':     ['\033[32m', '\033[39m'],
    'yellow':    ['\033[33m', '\033[39m'],
    'blue':      ['\033[34m', '\033[39m'],
    'magenta':   ['\033[35m', '\033[39m'],
    'cyan':      ['\033[36m', '\033[39m'],
    'white':     ['\033[37m', '\033[39m'],
    'default':   ['\033[39m', '\033[39m'],
    'grey':      ['\033[90m', '\033[39m'],
    'bgBlack':   ['\033[40m', '\033[49m'],
    'bgRed':     ['\033[41m', '\033[49m'],
    'bgGreen':   ['\033[42m', '\033[49m'],
    'bgYellow':  ['\033[43m', '\033[49m'],
    'bgBlue':    ['\033[44m', '\033[49m'],
    'bgMagenta': ['\033[45m', '\033[49m'],
    'bgCyan':    ['\033[46m', '\033[49m'],
    'bgWhite':   ['\033[47m', '\033[49m'],
    'bgDefault': ['\033[49m', '\033[49m']
};

var enabled = !process.env.NOCOLOR && tty.isatty(1) && tty.isatty(2);

module.exports = {};

Object.keys(styles).forEach(function (style) {
    module.exports[style] = function (str) {
        return enabled ? styles[style][0] + str + styles[style][1] : str;
    };
});