JS Console Utils

README.md

JS Console Utils

• Percent preloader
• Colors in console

console-colors.js

const colorize = (msg, col) => {
    // `$ echo -e "\033[1mThis is a BOLD line\033[0m"`
    const getcolor = (msg, code) => `\x1b[${code}m${msg}\x1b[39m`;
    switch (col) {            
    case 'bold':
        return `\u001b[0;1m${msg}\u001b[0;0m`;
    case 'white':
        return getcolor(msg, 37);
    case 'cyan':
        return getcolor(msg, 36);
    case 'magenta':
        return getcolor(msg, 35);
    case 'blue':
        return getcolor(msg, 34);
    case 'yellow':
        return getcolor(msg, 33);
    case 'green':
        return getcolor(msg, 32);
    case 'red':
        return getcolor(msg, 31);
    case 'black':
        return getcolor(msg, 30);
    case 'grey':
    case 'gray':
    default:
        return getcolor(msg, 90);
        return;
    }
}

percent-preloader.js

const preloader = (count, total) => {
  const percent = (total > 0)
    ? Math.round(((count * 100) / total) * 10) / 10
    : 0;
  process.stdout.write(`\r> loading... ${percent}%`);
}