diff --git a/src/components/playground.tsx b/src/components/playground.tsx
new file mode 100644
index 0000000..6d55efd
--- /dev/null
+++ b/src/components/playground.tsx
@@ -0,0 +1,4 @@
+    let prevModel = monaco.editor.getModel(uri);
+    if (prevModel) {
+        prevModel.setValue(file.content);
+    } else {