我决定寻求帮助,我就是无法理解 NGRX 实体!(此代码最初由 NX 创建)。
我遵循了 NGRX Entity 指南,我也看了很多教程视频,但我仍然无法让NGRX Entity updateOne工作。在下面收到此错误 - 我可以毫无问题地将实体加载到商店中,并且这些可以很好地构建我的 UI。
我有一个实体按钮集合,并希望在单击时更新按钮的存储状态 - 仅此而已!
(任何想法为什么这不起作用??)
ERROR TypeError: Cannot read property 'id' of undefined
at http://localhost:4200/vendor.js:83815:26
at Array.filter (<anonymous>)
at updateManyMutably (http://localhost:4200/vendor.js:83811:27)
at updateOneMutably (http://localhost:4200/vendor.js:83801:16)
at Object.operation [as updateOne] (http://localhost:4200/vendor.js:83622:27)
at http://localhost:4200/main.js:1169:28
at http://localhost:4200/vendor.js:88532:26
at reducer (http://localhost:4200/main.js:1173:12)
at http://localhost:4200/vendor.js:87072:20
at combination (http://localhost:4200/vendor.js:86960:37)
这是我到目前为止的代码:
// state
export interface QuickButton {
id: number;
isSelected: boolean;
title: string;
linkUrl: string;
}
// in component
this.store.dispatch( actions.setQuickFilter( evt ) );
// evt = {id: 1, isSelected: true, linkUrl: "", title: "Video"}
// in actions
export const setQuickFilter = createAction(
'[QuickBar] setQuickFilter',
props<{update: Update<QuickButton>}>()
);
// in reducer
export const QUICKBAR_FEATURE_KEY = 'quickBar';
export interface State extends EntityState<QuickButton> {
selectedId?: string | number; // which QuickBar record selected
loaded: boolean; // has the QuickBar list been loaded
error?: string | null; // last none error (if any)
}
export interface QuickBarPartialState {
readonly [QUICKBAR_FEATURE_KEY]: State;
}
export const quickBarAdapter: EntityAdapter<QuickButton> = createEntityAdapter<QuickButton>();
export const initialState = quickBarAdapter.getInitialState({
// set initial required properties
loaded: false,
});
const quickBarReducer = createReducer(
initialState,
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