add new STREET global

using for 2 new functions that I pulled from 3dstreet editor

src/json-utils.js

@@ -1,5 +1,38 @@
 /* global AFRAME, Node */
 /* version: 1.0 */
+
+var STREET = {};
+STREET.utils = {};
+
+function getSceneUuidFromURLHash() {
+  const currentHash = window.location.hash;
+  const match = currentHash.match(/#\/scenes\/([a-zA-Z0-9-]+)\.json/);
+  return match && match[1] ? match[1] : null;
+}
+
+function getCurrentSceneId() {
+  let currentSceneId = AFRAME.scenes[0].getAttribute('metadata').sceneId;
+  console.log('currentSceneId from scene metadata', currentSceneId);
+  const urlSceneId = getSceneUuidFromURLHash();
+  console.log('urlSceneId', urlSceneId);
+  if (!currentSceneId) {
+    console.log('no currentSceneId from state');
+    if (urlSceneId) {
+      currentSceneId = urlSceneId;
+      console.log('setting currentSceneId to urlSceneId');
+    }
+  }
+  return currentSceneId;
+}
+STREET.utils.getCurrentSceneId = getCurrentSceneId;
+
+getCurrentSceneTitle = () => {
+  let currentSceneTitle = AFRAME.scenes[0].getAttribute('metadata').sceneTitle;
+  console.log('currentSceneTitle', currentSceneTitle);
+  return currentSceneTitle;
+};
+STREET.utils.getCurrentSceneTitle = getCurrentSceneTitle;
+
 /*
 Takes one or more elements (from a DOM queryselector call)
 and returns a Javascript object
@@ -410,12 +443,12 @@ AFRAME.registerComponent('metadata', {
     sceneTitle: { default: '' },
     sceneId: { default: '' }
   },
-  init: function () { },
+  init: function () {},
   update: function (oldData) {
     const sceneTitle = this.data.sceneTitle;
     if (sceneTitle !== oldData.sceneTitle) {
-      this.el.emit('newTitle', {sceneTitle: sceneTitle});
-    }  
+      this.el.emit('newTitle', { sceneTitle: sceneTitle });
+    }
   }
 });
 
@@ -430,7 +463,7 @@ AFRAME.registerComponent('scene-title', {
     });
   },
   createTitleElement: function (titleText) {
-    const titleDiv = this.titleElement = document.createElement('div');
+    const titleDiv = (this.titleElement = document.createElement('div'));
     const newContent = document.createTextNode(titleText);
     titleDiv.setAttribute('id', 'sceneTitle');
     titleDiv.appendChild(newContent);
@@ -442,7 +475,9 @@ AFRAME.registerComponent('scene-title', {
   update: function (oldData) {
     // If `oldData` is empty, then this means we're in the initialization process.
     // No need to update.
-    if (Object.keys(oldData).length === 0) { return; }
+    if (Object.keys(oldData).length === 0) {
+      return;
+    }
 
     const titleText = this.data.titleText;
     const titleElement = this.titleElement;
@@ -453,7 +488,7 @@ AFRAME.registerComponent('scene-title', {
       } else {
         this.updateTitleText(titleText);
       }
-    }   
+    }
   }
 });