node 在控制台打印有色彩的输出

在学习 node 过程中，因为没有找到有断点的调试方法，只能退而次之，在控制台打印调试。

但整个控制台的输出都是一种颜色，有时候很难找到自己需要的信息，这时，有颜色的打印就会帮上很大的忙。

console.log(‘\x1B[36m%s\x1B[0m‘, info);  //cyan
console.log(‘\x1B[33m%s\x1b[0m:‘, path);  //yellow
var styles = {
    ‘bold‘          : [‘\x1B[1m‘,  ‘\x1B[22m‘],
    ‘italic‘        : [‘\x1B[3m‘,  ‘\x1B[23m‘],
    ‘underline‘     : [‘\x1B[4m‘,  ‘\x1B[24m‘],
    ‘inverse‘       : [‘\x1B[7m‘,  ‘\x1B[27m‘],
    ‘strikethrough‘ : [‘\x1B[9m‘,  ‘\x1B[29m‘],
    ‘white‘         : [‘\x1B[37m‘, ‘\x1B[39m‘],
    ‘grey‘          : [‘\x1B[90m‘, ‘\x1B[39m‘],
   ‘black‘         : [‘\x1B[30m‘, ‘\x1B[39m‘],
    ‘blue‘          : [‘\x1B[34m‘, ‘\x1B[39m‘],
    ‘cyan‘          : [‘\x1B[36m‘, ‘\x1B[39m‘],
    ‘green‘         : [‘\x1B[32m‘, ‘\x1B[39m‘],
    ‘magenta‘       : [‘\x1B[35m‘, ‘\x1B[39m‘],
    ‘red‘           : [‘\x1B[31m‘, ‘\x1B[39m‘],
    ‘yellow‘        : [‘\x1B[33m‘, ‘\x1B[39m‘],
    ‘whiteBG‘       : [‘\x1B[47m‘, ‘\x1B[49m‘],
    ‘greyBG‘        : [‘\x1B[49;5;8m‘, ‘\x1B[49m‘],
    ‘blackBG‘       : [‘\x1B[40m‘, ‘\x1B[49m‘],
    ‘blueBG‘        : [‘\x1B[44m‘, ‘\x1B[49m‘],
    ‘cyanBG‘        : [‘\x1B[46m‘, ‘\x1B[49m‘],
    ‘greenBG‘       : [‘\x1B[42m‘, ‘\x1B[49m‘],
    ‘magentaBG‘     : [‘\x1B[45m‘, ‘\x1B[49m‘],
    ‘redBG‘         : [‘\x1B[41m‘, ‘\x1B[49m‘],
    ‘yellowBG‘      : [‘\x1B[43m‘, ‘\x1B[49m‘]
};