1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
import type { λ } from "./types.ts";
export const cancel = Symbol("debounce.cancel");
/** * Creates a debounced function that delays invoking `fun` until `ms` milliseconds * have passed since the last invocation of the debounced function. * * `fun` is invoked with the last arguments passed to the debounced function. * * Calling `[debounce.cancel]()` on the debounced function will cancel the currently * scheduled invocation. */const debounce = Object.assign(  (fun: λ, ms: number) => {    let toId: any;    return Object.assign(      (...args: any[]) => {        clearTimeout(toId);        toId = setTimeout(() => fun(...args), ms);      },      { [cancel]: () => clearTimeout(toId) },    ) as any;  },  { cancel },) as  & (<T extends λ>(    fun: T,    ms: number,  ) => λ<Parameters<T>, void> & { [cancel](): void })  & {    cancel: typeof cancel;  };
export default debounce;