diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 00000000..65603e7b
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: FSFAP
+# SPDX-FileCopyrightText: Copyright (c) 2024 Rifa Achrinza
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+indent_style = space
+indent_size = 2
+max_line_length = 80
diff --git a/shared-configs/renovate/base.json b/shared-configs/renovate/base.json
index e37a29fd..defc74f8 100644
--- a/shared-configs/renovate/base.json
+++ b/shared-configs/renovate/base.json
@@ -69,6 +69,13 @@
         "@microsoft/api-documenter"
       ]
     },
+    {
+      "groupName": "Chai.js packages",
+      "matchPackageNames": [
+        "chai",
+        "chai-as-promised"
+      ]
+    },
     {
       "matchPackageNames": ["renovate"],
       "extends": ["schedule:earlyMondays"]