Fix #175

src/lib/components/editor/editor.svelte

@@ -35,12 +35,22 @@
 	}
 
 	const dispatch = createEventDispatcher<EditorEvents>();
-
+	const loadMonaco = async () => {
+		let i = 0;
+		while (i++ < 10) {
+			try {
+				//@ts-ignore : This is a hack to handle a svelte-kit error when importing monaco.
+				Monaco = monaco;
+				return;
+			} catch {
+				await new Promise((r) => setTimeout(r, 500));
+			}
+		}
+		alert('Loading Monaco Editor failed. Please try refreshing the page.');
+	};
 	onMount(async () => {
-		//@ts-ignore : This is a hack to handle a svelte-kit error when importing monaco.
-		Monaco = monaco;
+		await loadMonaco(); // Fix https://github.com/mermaid-js/mermaid-live-editor/issues/175
 		initEditor(Monaco);
-
 		editor = Monaco.editor.create(divEl, editorOptions);
 		editor.onDidChangeModelContent(() => {
 			text = editor.getValue();