1 files changed, 19 insertions, 0 deletions

diff --git a/editors/code/src/events/change_text_document.ts b/editors/code/src/events/change_text_document.ts
new file mode 100644
index 000000000..83ee6c9ee
--- /dev/null
+++ b/editors/code/src/events/change_text_document.ts
@@ -0,0 +1,19 @@
+import * as vscode from 'vscode';
+
+import { syntaxTreeUri, TextDocumentContentProvider } from '../commands/syntaxTree';
+
+export function createHandler(textDocumentContentProvider: TextDocumentContentProvider) {
+    return (event: vscode.TextDocumentChangeEvent) => {
+        let doc = event.document
+        if (doc.languageId != "rust") return
+        afterLs(() => {
+            textDocumentContentProvider.eventEmitter.fire(syntaxTreeUri);
+        })
+    }
+}
+
+// We need to order this after LS updates, but there's no API for that.
+// Hence, good old setTimeout.
+function afterLs(f: () => any) {
+    setTimeout(f, 10)
+}