diff --git a/.gitignore b/.gitignore
index 4e5d5a5f..b88b6b21 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,8 @@
 /monsters-info/Download-pad.skyozora.com
 /monsters-info/opencc
 *formatting.json
+/monsters-info/official-API/*-dungeon.json
+/monsters-info/official-API/*-enemy_skill.json
+/monsters-info/official-API/*-limited_bonus.json
+/monsters-info/official-API/*-mdatadl.json
+/monsters-info/official-API/*-shop_item.json
diff --git a/.jshintrc b/.jshintrc
new file mode 100644
index 00000000..bbac6bf9
--- /dev/null
+++ b/.jshintrc
@@ -0,0 +1,3 @@
+{
+  "esversion": 6
+}
\ No newline at end of file