module.exports = exports = function (str, padLen, align, padChar) { var left = ""; var right = ""; if ( str.length >= padLen ) return { left: left, right: right }; if ( padChar === undefined ) padChar = " "; if ( padChar.length > 1 ) padChar = padChar.substr(0, 1); switch ( align ) { case "center": var availableSlots = padLen - str.length; right = Math.ceil(availableSlots / 2); left = availableSlots - right; right = Array(right+1).join(padChar); left = Array(left+1).join(padChar); break; case "right": left = Array(padLen + 1 - str.length).join(padChar); break; default: right = Array(padLen + 1 - str.length).join(padChar); break; } return { left: left, right: right }; };