我正在使用redux-form编辑来宾信息。离开字段时,字段的内容会通过简单的补丁请求将字段修补给来宾,并更新了商店。我遇到的问题是,如果我使用的是同时编辑多个字段的Google表单,则Onblur函数也会同时发送所有请求。这触发错误:
Unhandled Rejection (Error): Guest is already patching
我该如何进行,以便可以并行更新?
export function patchGuest(guest) {
return (dispatch, getState) => {
if (shouldPatchGuest(getState())) {
dispatch(apiPatchGuest());
return BookingApi.patchGuest(guest.id, guest.json())
.then(response => {
const json = response.data;
const updatedGuest = Guest.asGuest(json);
dispatch(setStateUpdateGuest(updatedGuest));
})
.catch(err => {
dispatch(apiError(err));
throw err;
});
}
return Promise.reject(new Error('Guest is already patching'));
};
}
-
patchOnBlur = (event) => {
const { meta: { dirty, error }, dispatch, currentGuest, fieldName } = this.props;
if (dirty && !error) {
const patched = currentGuest.patch({
[fieldName]: event.target.value
});
dispatch(patchGuest(patched));
}
};
预先感谢。
最终安装了redux-saga,并通过排队请求解决了它。随意纠正此问题或进行改进。这绝不是完成的代码。
function* patchGuest(action) {
const dataToPatch = {
action.fieldName: action.fieldValue,
}
try {
yield call(
Api.patchGuest,
action.id,
dataToPatch
);
yield put({
type: "BOOKING_SET_STATE_UPDATE_GUEST",
id: action.id,
fieldName: action.fieldName,
fieldValue: action.fieldValue
});
} catch (e) {
// yield put({ type: "GUEST_PATCH_FAILED", message: e.message });
}
}
function* watchPatchGuest() {
const requestChan = yield actionChannel('SAGA_BOOKING_API_PATCH')
while (true) {
const payload = yield take (requestChan);
yield call(patchGuest, payload)
}
}