2 let componentMapping = {
3 'dropdown': require('./dropdown'),
6 window.components = {};
8 let componentNames = Object.keys(componentMapping);
10 for (let i = 0, len = componentNames.length; i < len; i++) {
11 let name = componentNames[i];
12 let elems = document.querySelectorAll(`[${name}]`);
13 if (elems.length === 0) continue;
15 let component = componentMapping[name];
16 if (typeof window.components[name] === "undefined") window.components[name] = [];
17 for (let j = 0, jLen = elems.length; j < jLen; j++) {
18 let instance = new component(elems[j]);
19 window.components[name].push(instance);