refactor newsfeed and note

src/utils/transform.tsx

@@ -1,3 +1,5 @@
+import destr from 'destr';
+
 export const tagsToArray = (arr) => {
   const newarr = [];
   // push item to newarr
@@ -15,3 +17,22 @@ export const pubkeyArray = (arr) => {
   });
   return newarr;
 };
+
+export const getParentID = (arr, fallback) => {
+  const tags = destr(arr);
+  let parentID = fallback;
+
+  if (tags.length > 0) {
+    if (tags[0][0] === 'e' || tags[0][2] === 'root' || tags[0][3] === 'root') {
+      parentID = tags[0][1];
+    } else {
+      tags.forEach((tag) => {
+        if (tag[0] === 'e' && (tag[2] === 'root' || tag[3] === 'root')) {
+          parentID = tag[1];
+        }
+      });
+    }
+  }
+
+  return parentID;
+};