Update dependencies and improve build system

src/utils/WatchPrimitiveProperties.js

@@ -1,24 +1,29 @@
-/**
- * Watch the individual properties of a PoD object, instead of the object
- * per se. This is different from a deep watch where both the reference
- * and the individual values are watched.
- *
- * In effect, it throttles the multiple $watch to execute at most once per tick.
- */
-export default function WatchPrimitiveProperties (vueInst, propertiesToTrack, handler, immediate = false) {
-  let isHandled = false
-
-  function requestHandle () {
-    if (!isHandled) {
-      isHandled = true
-      vueInst.$nextTick(() => {
-        isHandled = false
-        handler()
-      })
-    }
-  }
-
-  for (let prop of propertiesToTrack) {
-    vueInst.$watch(prop, requestHandle, {immediate})
-  }
-}
+/**
+ * Watch the individual properties of a PoD object, instead of the object
+ * per se. This is different from a deep watch where both the reference
+ * and the individual values are watched.
+ *
+ * In effect, it throttles the multiple $watch to execute at most once per tick.
+ */
+export default function WatchPrimitiveProperties(
+  vueInst,
+  propertiesToTrack,
+  handler,
+  immediate = false
+) {
+  let isHandled = false
+
+  function requestHandle() {
+    if (!isHandled) {
+      isHandled = true
+      vueInst.$nextTick(() => {
+        isHandled = false
+        handler()
+      })
+    }
+  }
+
+  for (let prop of propertiesToTrack) {
+    vueInst.$watch(prop, requestHandle, { immediate })
+  }
+}