edit wip

script/edit/EditWorker.ts

@@ -0,0 +1,45 @@
+import init from "@demostf/edit";
+import {count_ticks, edit_js} from "@demostf/edit";
+
+declare function postMessage(message: any, transfer?: any[]): void;
+
+function getCacheBuster(): string {
+	const url = self.location.href;
+	return url.substring(url.indexOf('?'));
+}
+
+/**
+ * @global postMessage
+ * @param event
+ */
+onmessage = async (event: MessageEvent) => {
+	await init(`/tf-demo-editor.wasm${getCacheBuster()}`);
+	if (event.data.count) {
+		const buffer: ArrayBuffer = event.data.buffer;
+		const bytes = new Uint8Array(buffer);
+		try {
+			const ticks = count_ticks(bytes);
+			postMessage({
+				ticks: ticks
+			});
+		} catch(e) {
+			postMessage({
+				error: e
+			});
+		}
+	} else {
+		const buffer: ArrayBuffer = event.data.buffer;
+		const options = event.data.options;
+		const bytes = new Uint8Array(buffer);
+		try {
+			const edited = edit_js(bytes, options);
+			postMessage({
+				buffer: edited.buffer
+			}, [edited.buffer]);
+		} catch (e) {
+			postMessage({
+				error: e
+			});
+		}
+	}
+};