From 1c515854c778bf239f9ba11fa811d9c5a95c69f1 Mon Sep 17 00:00:00 2001
From: Divyansh <divyansh.yadav@gmail.com>
Date: Tue, 24 Nov 2020 13:01:32 +0530
Subject: [PATCH] bug fixes

---
 .vscode/settings.json | 3 +++
 src/heap/index.js     | 5 +++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/.vscode/settings.json b/.vscode/settings.json
index 9d4c5a4..c7ee51c 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,4 +1,7 @@
 {
   "eslint.enable": true,
   "eslint.autoFixOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": true
+  },
 }
\ No newline at end of file
diff --git a/src/heap/index.js b/src/heap/index.js
index f8ebb5b..a99b1ad 100644
--- a/src/heap/index.js
+++ b/src/heap/index.js
@@ -40,7 +40,7 @@ class Heap {
     delete (data) {
         let index = 0
 
-        if (data) {
+        if (data !== undefined) {
             index = find(this.array, data)
         }
 
@@ -51,7 +51,8 @@ class Heap {
         this.heapifyDown(index)
     }
 
-    heapifyDown (index) {
+    heapifyDown (i) {
+        let index = i
         while (this.hasLeftChild(index)) {
             let smallerChildIndex = this.getLeftChildIndex(index)
             if (this.hasRightChild(index) &&