Refactor util plugin and some tests

js/src/dom/data.js

@@ -5,64 +5,62 @@
  * --------------------------------------------------------------------------
  */
 
-const Data = (() => {
-  /**
-   * ------------------------------------------------------------------------
-   * Constants
-   * ------------------------------------------------------------------------
-   */
-
-  const mapData = (() => {
-    const storeData = {}
-    let id = 1
-    return {
-      set(element, key, data) {
-        if (typeof element.key === 'undefined') {
-          element.key = {
-            key,
-            id
-          }
-          id++
-        }
-
-        storeData[element.key.id] = data
-      },
-      get(element, key) {
-        if (!element || typeof element.key === 'undefined') {
-          return null
-        }
-
-        const keyProperties = element.key
-        if (keyProperties.key === key) {
-          return storeData[keyProperties.id]
-        }
-        return null
-      },
-      delete(element, key) {
-        if (typeof element.key === 'undefined') {
-          return
-        }
-
-        const keyProperties = element.key
-        if (keyProperties.key === key) {
-          delete storeData[keyProperties.id]
-          delete element.key
-        }
-      }
-    }
-  })()
+/**
+ * ------------------------------------------------------------------------
+ * Constants
+ * ------------------------------------------------------------------------
+ */
 
+const mapData = (() => {
+  const storeData = {}
+  let id = 1
   return {
-    setData(instance, key, data) {
-      mapData.set(instance, key, data)
+    set(element, key, data) {
+      if (typeof element.key === 'undefined') {
+        element.key = {
+          key,
+          id
+        }
+        id++
+      }
+
+      storeData[element.key.id] = data
     },
-    getData(instance, key) {
-      return mapData.get(instance, key)
+    get(element, key) {
+      if (!element || typeof element.key === 'undefined') {
+        return null
+      }
+
+      const keyProperties = element.key
+      if (keyProperties.key === key) {
+        return storeData[keyProperties.id]
+      }
+      return null
     },
-    removeData(instance, key) {
-      mapData.delete(instance, key)
+    delete(element, key) {
+      if (typeof element.key === 'undefined') {
+        return
+      }
+
+      const keyProperties = element.key
+      if (keyProperties.key === key) {
+        delete storeData[keyProperties.id]
+        delete element.key
+      }
     }
   }
 })()
 
+const Data = {
+  setData(instance, key, data) {
+    mapData.set(instance, key, data)
+  },
+  getData(instance, key) {
+    return mapData.get(instance, key)
+  },
+  removeData(instance, key) {
+    mapData.delete(instance, key)
+  }
+}
+
 export default Data