React.js blogpost

script_object_mirror_diff

-      dieIf(!result.isArray, "Not an array")
-      dieIf(!result.hasSlot(0), "No slot 0")
-      dieIf(!result.hasSlot(1), "No slot 1")
-      dieIf(result.hasSlot(2), "Has slot 2")
+      dieIf(!result.hasArrayElements, "Not an array")
+      dieIf(result.getArraySize != 2, "Array of size != 2")
 
-      val elem0 = result.getSlot(0)
-      dieIf(!elem0.isInstanceOf[String], ...)
-      val safeHtml = elem0.asInstanceOf[String]
+      val elem0 = result.getArrayElement(0)
+      dieIf(!elem0.isString, ...)
+      val safeHtml = elem0.asString
 
-      val elem1 = result.getSlot(1)
-      dieIf(!elem1.isInstanceOf[ScriptObjectMirror], ...)
-      val mentionsArrayMirror = elem1.asInstanceOf[ScriptObjectMirror]
+      val elem1 = result.getArrayElement(1)
+      dieIf(!elem1.hasArrayElements, ...)
+      val mentionsArrayMirror = elem1
 
       val mentions = ArrayBuffer[String]()
       var nextSlotIx = 0
-      while (mentionsArrayMirror.hasSlot(nextSlotIx)) {
-        val elem = mentionsArrayMirror.getSlot(nextSlotIx)
-        dieIf(!elem.isInstanceOf[String], ...)
-        mentions.append(elem.asInstanceOf[String])
-        nextSlotIx += 1
-      }
+      while (nextSlotIx < mentionsArrayMirror.getArraySize) {
+        val elem = mentionsArrayMirror.getArrayElement(nextSlotIx)
+        dieIf(!elem.isString, ...)
+        mentions.append(elem.asString)
+        nextSlotIx += 1
+      }