63 lines
1.6 KiB
Plaintext
63 lines
1.6 KiB
Plaintext
import type { Ref } from 'vue';
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import { ref, watch, unref } from 'vue';
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import { useThrottleFn, useDebounceFn } from '@vueuse/core';
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export type RemoveEventFn = () => void;
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export interface UseEventParams {
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el?: Element | Ref<Element | undefined> | Window | any;
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name: string;
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listener: EventListener;
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options?: boolean | AddEventListenerOptions;
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autoRemove?: boolean;
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isDebounce?: boolean;
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wait?: number;
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}
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export function useEventListener({
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el = window,
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name,
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listener,
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options,
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autoRemove = true,
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isDebounce = true,
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wait = 80,
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}: UseEventParams): { removeEvent: RemoveEventFn } {
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/* eslint-disable-next-line */
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let remove: RemoveEventFn = () => {
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};
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const isAddRef = ref(false);
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if (el) {
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const element: Ref<Element> = ref(el as Element);
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const handler = isDebounce ? useDebounceFn(listener, wait) : useThrottleFn(listener, wait);
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const realHandler = wait ? handler : listener;
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const removeEventListener = (e: Element) => {
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isAddRef.value = true;
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e.removeEventListener(name, realHandler, options);
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};
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const addEventListener = (e: Element) => e.addEventListener(name, realHandler, options);
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const removeWatch = watch(
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element,
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(v, _ov, cleanUp) => {
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if (v) {
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!unref(isAddRef) && addEventListener(v);
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cleanUp(() => {
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autoRemove && removeEventListener(v);
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});
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}
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},
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{ immediate: true },
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);
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remove = () => {
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removeEventListener(element.value);
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removeWatch();
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};
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}
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return { removeEvent: remove };
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}
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