node-couleurs windows fix prototype

colours.js

var styles = {
  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],
  grey: [90, 39]
};
  
function generateFgStyle(colorCodes, text) {
    return "\u001b[" + colorCodes[0] + "m" + text + "\u001b[" + colorCodes[1] + "m";
}

function printStyles() {
    for (var property in styles) {
        if (styles.hasOwnProperty(property)) {
            console.log(generateFgStyle(styles[property], "Text"));
        }
    }
}

printStyles();