diff --git a/.editorconfig b/.editorconfig
index 679ee1d0..30ba8837 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -19,3 +19,11 @@ indent_size = 2
 [*.rs]
 indent_style = space
 indent_size = 4
+
+[*.ts]
+indent_style = tab
+indent_size = 4
+
+[*.svelte]
+indent_style = tab
+indent_size = 4