| var makeString = require('./helper/makeString'); |
| var strRepeat = require('./helper/strRepeat'); |
| |
| module.exports = function pad(str, length, padStr, type) { |
| str = makeString(str); |
| length = ~~length; |
| |
| var padlen = 0; |
| |
| if (!padStr) |
| padStr = ' '; |
| else if (padStr.length > 1) |
| padStr = padStr.charAt(0); |
| |
| switch (type) { |
| case 'right': |
| padlen = length - str.length; |
| return str + strRepeat(padStr, padlen); |
| case 'both': |
| padlen = length - str.length; |
| return strRepeat(padStr, Math.ceil(padlen / 2)) + str + strRepeat(padStr, Math.floor(padlen / 2)); |
| default: // 'left' |
| padlen = length - str.length; |
| return strRepeat(padStr, padlen) + str; |
| } |
| }; |