defer update if there's no component update

library/internal/timeout.ts

@@ -0,0 +1,20 @@
+export class Timeout {
+  private timeoutId?: NodeJS.Timeout
+
+  constructor(
+    private readonly time: number,
+    private readonly callback: () => void,
+  ) {}
+
+  run() {
+    this.cancel()
+    this.timeoutId = setTimeout(this.callback, this.time)
+  }
+
+  cancel() {
+    if (this.timeoutId) {
+      clearTimeout(this.timeoutId)
+      this.timeoutId = undefined
+    }
+  }
+}