blob: 4f58b35f3d91810675a4de225114553f24d752cd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
'use strict';
var escapeStringRegexp = require('escape-string-regexp');
module.exports = function (str, sep) {
if (typeof str !== 'string') {
throw new TypeError('Expected a string');
}
sep = typeof sep === 'undefined' ? '_' : sep;
var reSep = escapeStringRegexp(sep);
return str.replace(/([a-z\d])([A-Z])/g, '$1' + sep + '$2')
.replace(new RegExp('(' + reSep + '[A-Z])([A-Z])', 'g'), '$1' + reSep + '$2')
.toLowerCase();
};
|
