Move some things around

src-web/lib/debounce.ts

@@ -0,0 +1,11 @@
+export function debounce(fn: (...args: any[]) => any, delay: number) {
+  let timer: ReturnType<typeof setTimeout>;
+  const result = function (...args: Parameters<typeof fn>) {
+    clearTimeout(timer);
+    timer = setTimeout(() => fn(...args), delay);
+  };
+  result.cancel = function () {
+    clearTimeout(timer);
+  };
+  return result;
+}