Remove lodash.merge with custom merge fucntion, default to "en" language if null

src/modules/merge.js

@@ -0,0 +1,17 @@
+/**
+ * Merges 2 objects into a huge one
+ * @template T The original object
+ * @template U The object that is returned
+ * @param {...T} items The objects to merge
+ * @returns {U} The merged object
+ */
+export const merge = (...items) => {
+  const obj = {};
+  for (let i = 0; i < items.length; i++) {
+    for (const k in items[i]) {
+      if (!obj.hasOwnProperty(k)) obj[k] = items[i][k];
+    }
+  }
+
+  return obj;
+};