Index: frontend/node_modules/async-function/legacy.js
===================================================================
--- frontend/node_modules/async-function/legacy.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/async-function/legacy.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,18 @@
+'use strict';
+
+/** @type {import('.').AsyncFunctionConstructor | false} */
+var cached;
+
+/** @type {import('.')} */
+module.exports = function getAsyncFunction() {
+	if (typeof cached === 'undefined') {
+		try {
+			// eslint-disable-next-line no-new-func
+			cached = Function('return async function () {}')().constructor;
+		} catch (e) {
+			cached = false;
+		}
+	}
+	return cached;
+};
+