mirror of
https://github.com/nodejs/node.git
synced 2025-05-18 17:26:24 +00:00
2d441493a4
PR-URL: https://github.com/nodejs/io.js/pull/2286 Reviewed-By: Roman Reiss <me@silverwind.io>
17 lines
446 B
JavaScript
17 lines
446 B
JavaScript
'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();
|
|
};
|