Auto-resize iframes, fix custom code, fix create form initial properties

client/lib/utils.js

@@ -13,6 +13,22 @@ export const hash = (str, seed = 0) => {
   return 4294967296 * (2097151 & h2) + (h1 >>> 0);
 }
 
+export const generateUUID = () => {
+  let d = new Date().getTime()// Timestamp
+  let d2 = ((typeof performance !== 'undefined') && performance.now && (performance.now() * 1000)) || 0// Time in microseconds since page-load or 0 if unsupported
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
+    let r = Math.random() * 16// random number between 0 and 16
+    if (d > 0) { // Use timestamp until depleted
+      r = (d + r) % 16 | 0
+      d = Math.floor(d / 16)
+    } else { // Use microseconds since page-load if supported
+      r = (d2 + r) % 16 | 0
+      d2 = Math.floor(d2 / 16)
+    }
+    return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16)
+  })
+}
+
 /*
  * Url and domain related utils
  */