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| exports = function(str, chars) {
| if (chars == null) {
| if (str.trimRight) {
| return str.trimRight();
| }
| chars = ' \r\n\t\f\v';
| }
| var end = str.length - 1;
| var charLen = chars.length;
| var found = true;
| var i;
| var c;
| while (found && end >= 0) {
| found = false;
| i = -1;
| c = str.charAt(end);
| while (++i < charLen) {
| if (c === chars[i]) {
| found = true;
| end--;
| break;
| }
| }
| }
| return end >= 0 ? str.substring(0, end + 1) : '';
| };
|
| module.exports = exports;
|
|
