initial FBS admin

src/polyfill.js

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+/*
+* required polyfills
+*/
+
+/** IE9, IE10 and IE11 requires all of the following polyfills. **/
+// import "core-js";
+// import 'core-js/features/symbol'
+// import 'core-js/features/object'
+// import 'core-js/features/function'
+// import 'core-js/features/parse-int'
+// import 'core-js/features/parse-float'
+// import 'core-js/features/number'
+// import 'core-js/features/math'
+// import 'core-js/features/string'
+// import 'core-js/features/date'
+// import 'core-js/features/array'
+// import 'core-js/features/regexp'
+// import 'core-js/features/map'
+// import 'core-js/features/weak-map'
+// import 'core-js/features/set'
+// import 'core-js/features/set/map';
+
+/** IE10 and IE11 requires the following for the Reflect API. */
+// import 'core-js/features/reflect';
+
+/** Evergreen browsers require these. **/
+// Used for reflect-metadata in JIT. If you use AOT (and only Angular decorators), you can remove.
+// import 'core-js/features/reflect'
+
+// CustomEvent() constructor functionality in IE9, IE10, IE11
+(function () {
+
+  if ( typeof window.CustomEvent === "function" ) return false
+
+  function CustomEvent ( event, params ) {
+    params = params || { bubbles: false, cancelable: false, detail: undefined }
+    var evt = document.createEvent( 'CustomEvent' )
+    evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail )
+    return evt
+  }
+
+  CustomEvent.prototype = window.Event.prototype
+
+  window.CustomEvent = CustomEvent
+})()
+
+if (!Element.prototype.matches) {
+  Element.prototype.matches =
+    Element.prototype.msMatchesSelector ||
+    Element.prototype.webkitMatchesSelector;
+}
+
+if (!Element.prototype.closest) {
+  Element.prototype.closest = function(s) {
+    var el = this;
+
+    do {
+      if (Element.prototype.matches.call(el, s)) return el;
+      el = el.parentElement || el.parentNode;
+    } while (el !== null && el.nodeType === 1);
+    return null;
+  };
+}