72 lines
1.7 KiB
TypeScript
72 lines
1.7 KiB
TypeScript
import type { DebouncedFunc, DebounceSettings } from 'lodash-es';
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import { debounce } from 'lodash-es';
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import { computed, ref, watchEffect } from 'vue';
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import type { UseRequestPlugin } from '../types';
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const useDebouncePlugin: UseRequestPlugin<any, any[]> = (
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fetchInstance,
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{ debounceWait, debounceLeading, debounceTrailing, debounceMaxWait },
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) => {
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const debouncedRef = ref<DebouncedFunc<any>>();
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const options = computed(() => {
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const ret: DebounceSettings = {};
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if (debounceLeading !== undefined) {
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ret.leading = debounceLeading;
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}
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if (debounceTrailing !== undefined) {
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ret.trailing = debounceTrailing;
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}
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if (debounceMaxWait !== undefined) {
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ret.maxWait = debounceMaxWait;
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}
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return ret;
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});
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watchEffect(() => {
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if (debounceWait) {
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const _originRunAsync = fetchInstance.runAsync.bind(fetchInstance);
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debouncedRef.value = debounce(
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(callback) => {
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callback();
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},
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debounceWait,
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options.value,
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);
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// debounce runAsync should be promise
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// https://github.com/lodash/lodash/issues/4400#issuecomment-834800398
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fetchInstance.runAsync = (...args) => {
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return new Promise((resolve, reject) => {
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debouncedRef.value?.(() => {
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_originRunAsync(...args)
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.then(resolve)
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.catch(reject);
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});
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});
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};
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return () => {
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debouncedRef.value?.cancel();
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fetchInstance.runAsync = _originRunAsync;
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};
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}
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});
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if (!debounceWait) {
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return {};
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}
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return {
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onCancel: () => {
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debouncedRef.value?.cancel();
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},
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};
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};
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export default useDebouncePlugin;
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