Huge List class update

app/static/js/resource-lists/index.js

@@ -0,0 +1,18 @@
+var ResourceLists = {};
+
+ResourceLists.autoInit = () => {
+  for (let propertyName in ResourceLists) {
+    let property = ResourceLists[propertyName];
+    // Call autoInit of all properties that are subclasses of `ResourceLists.ResourceList`.
+    // This does not include `ResourceLists.ResourceList` itself.
+    if (property.prototype instanceof ResourceLists.ResourceList) {
+      // Check if the static `htmlClass` property is defined.
+      if (property.htmlClass === undefined) {return;}
+      // Gather all HTML elements that have the `this.htmlClass` class
+      // and do not have the `no-autoinit` class.
+      let listElements = document.querySelectorAll(`.${property.htmlClass}:not(.no-autoinit)`);
+      // Create an instance of this class for each display element.
+      for (let listElement of listElements) {new property(listElement);}
+    }
+  }
+};