12 lines
306 B
JavaScript
12 lines
306 B
JavaScript
|
'use strict';
|
||
|
|
var escapeStringRegexp = require('escape-string-regexp');
|
||
|
|
|
||
|
|
module.exports = function (str, sub) {
|
||
|
|
if (typeof str !== 'string' || typeof sub !== 'string') {
|
||
|
|
throw new TypeError();
|
||
|
|
}
|
||
|
|
|
||
|
|
sub = escapeStringRegexp(sub);
|
||
|
|
return str.replace(new RegExp('^' + sub + '|' + sub + '$', 'g'), '');
|
||
|
|
};
|