feat: Multi Select initial release

Author: mrholek

js/index.esm.js

@@ -13,6 +13,7 @@ import ClassToggler from './src/class-toggler'
 import Collapse from './src/collapse'
 import Dropdown from './src/dropdown'
 import Modal from './src/modal'
+import MultiSelect from './src/multi-select'
 import Popover from './src/popover'
 import Scrollspy from './src/scrollspy'
 import Sidebar from './src/sidebar'
@@ -29,6 +30,7 @@ export {
   Collapse,
   Dropdown,
   Modal,
+  MultiSelect,
   Popover,
   Scrollspy,
   Sidebar,

js/index.umd.js

@@ -13,6 +13,7 @@ import ClassToggler from './src/class-toggler'
 import Collapse from './src/collapse'
 import Dropdown from './src/dropdown'
 import Modal from './src/modal'
+import MultiSelect from './src/multi-select'
 import Popover from './src/popover'
 import Scrollspy from './src/scrollspy'
 import Sidebar from './src/sidebar'
@@ -30,6 +31,7 @@ export default {
   Collapse,
   Dropdown,
   Modal,
+  MultiSelect,
   Popover,
   Scrollspy,
   Sidebar,

js/src/dom/manipulator.js

@@ -30,6 +30,14 @@ function normalizeDataKey(key) {
 }
 
 const Manipulator = {
+
+  createElementFromHTML(htmlString) {
+    const div = document.createElement('div')
+    div.innerHTML = htmlString.trim()
+    // Change this to div.childNodes to support multiple top-level nodes
+    return div.firstChild
+  },
+
   setDataAttribute(element, key, value) {
     element.setAttribute(`data-${normalizeDataKey(key)}`, value)
   },