Added functionality to find an event or meta by ID

lib/classes/event/event-container.js

@@ -137,8 +137,21 @@ export default class EventContainer extends Event {
    * @return {Event?}
    */
   findEvent(selector) {
+    if (_.isString(selector) && selector[0] === '#') {
+      let id = selector.substr(1);
+      selector = (item) => { return item.id === id; };
+    }
     var events = this.findEvents(selector); // TODO: stop at first match instead of finding all
-    return events ? events[0] : null;
+    return events.length ? events[0] : null;
+  }
+
+  /**
+   * Find an event by ID
+   * @param {string} [id] - A string
+   * @return {Event?}
+   */
+  findEventById(id) {
+    return this.findEvent((item) => { return item.id === id; });
   }
 
   /**
@@ -185,8 +198,21 @@ export default class EventContainer extends Event {
    * @return {Event?}
    */
   findMeta(selector) {
+    if (_.isString(selector) && selector[0] === '#') {
+      let id = selector.substr(1);
+      selector = (item) => { return item.id === id; };
+    }
     var metas = this.findMetas(selector); // TODO: stop at first match instead of finding all
-    return metas ? metas[0] : null;
+    return metas.length ? metas[0] : null;
+  }
+
+  /**
+   * Find a meta by ID
+   * @param {string} [id] - A string
+   * @return {Event?}
+   */
+  findMetaById(id) {
+    return this.findMeta((item) => { return item.id === id; });
   }
 
   /**