有没有一种方法可以在 Redux-Saga 中消除抖动,其中后续调用会在相同的延迟之后排队,而添加到队列中的每个新任务都会不断地影响该延迟。类似于lodash的debounce https://lodash.com/docs#debounce .
我目前有类似于 redux-saga 的 debounce 的东西,但删除了取消部分,因为我仍然想执行每个任务,我只想将所有事件捆绑在一起以便稍后在单个线程中触发。
我目前拥有的:
const deferTime = 2000;
const delay = (ms) => new Promise(resolve => setTimeout(resolve, ms));
export function* sendClickEvent (event, debounce) {
if (debounce) {
yield call(delay, deferTime);
}
yield put(action(event));
}
export function* clickSaga () {
while (true) {
const action = yield take(WIDGET_CLICKED);
const state = yield select();
const debounce = action.meta && action.meta.debounce;
const payload = getWidgetClickPayload(state, action);
const defaultData = getDefaultData(state);
const event = {
name: payload.name,
data: Object.assign(defaultData, payload.data)
};
yield fork(sendClickEvent, event, debounce);
}
}
我尝试将 fork 分配给变量,然后检查它是否正在运行 (.isRunning()),但不知道如何才能将该 fork 推迟另一个延迟。
最佳答案
Redux saga 现在有 debounce功能/效果:
import { call, put, debounce } from `redux-saga/effects`
function* fetchAutocomplete(action) {
const autocompleteProposals = yield call(Api.fetchAutocomplete, action.text)
yield put({type: 'FETCHED_AUTOCOMPLETE_PROPOSALS', proposals: autocompleteProposals})
}
function* debounceAutocomplete() {
yield debounce(1000, 'FETCH_AUTOCOMPLETE', fetchAutocomplete)
}
关于javascript - Redux saga debounce 而不仅仅是延迟/取消,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37392020/