Current File : /home/tradevaly/www/node_modules/dragula/classes.js |
'use strict';
var cache = {};
var start = '(?:^|\\s)';
var end = '(?:\\s|$)';
function lookupClass (className) {
var cached = cache[className];
if (cached) {
cached.lastIndex = 0;
} else {
cache[className] = cached = new RegExp(start + className + end, 'g');
}
return cached;
}
function addClass (el, className) {
var current = el.className;
if (!current.length) {
el.className = className;
} else if (!lookupClass(className).test(current)) {
el.className += ' ' + className;
}
}
function rmClass (el, className) {
el.className = el.className.replace(lookupClass(className), ' ').trim();
}
module.exports = {
add: addClass,
rm: rmClass
};