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Improve createdataLoadingThunk
(#30778)
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@ -82,13 +82,19 @@ export function createThunk<Arg = void, Returned = void>(
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const discardLoadDataInPayload = Symbol('discardLoadDataInPayload');
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type DiscardLoadData = typeof discardLoadDataInPayload;
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type OnData<LoadDataResult, ReturnedData> = (
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type OnData<ActionArg, LoadDataResult, ReturnedData> = (
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data: LoadDataResult,
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api: AppThunkApi & {
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actionArg: ActionArg;
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discardLoadData: DiscardLoadData;
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},
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) => ReturnedData | DiscardLoadData | Promise<ReturnedData | DiscardLoadData>;
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type LoadData<Args, LoadDataResult> = (
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args: Args,
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api: AppThunkApi,
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) => Promise<LoadDataResult>;
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type ArgsType = Record<string, unknown> | undefined;
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// Overload when there is no `onData` method, the payload is the `onData` result
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@ -101,18 +107,18 @@ export function createDataLoadingThunk<LoadDataResult, Args extends ArgsType>(
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// Overload when the `onData` method returns discardLoadDataInPayload, then the payload is empty
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export function createDataLoadingThunk<LoadDataResult, Args extends ArgsType>(
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name: string,
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loadData: (args: Args) => Promise<LoadDataResult>,
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loadData: LoadData<Args, LoadDataResult>,
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onDataOrThunkOptions?:
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| AppThunkOptions
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| OnData<LoadDataResult, DiscardLoadData>,
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| OnData<Args, LoadDataResult, DiscardLoadData>,
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thunkOptions?: AppThunkOptions,
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): ReturnType<typeof createThunk<Args, void>>;
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// Overload when the `onData` method returns nothing, then the mayload is the `onData` result
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export function createDataLoadingThunk<LoadDataResult, Args extends ArgsType>(
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name: string,
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loadData: (args: Args) => Promise<LoadDataResult>,
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onDataOrThunkOptions?: AppThunkOptions | OnData<LoadDataResult, void>,
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loadData: LoadData<Args, LoadDataResult>,
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onDataOrThunkOptions?: AppThunkOptions | OnData<Args, LoadDataResult, void>,
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thunkOptions?: AppThunkOptions,
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): ReturnType<typeof createThunk<Args, LoadDataResult>>;
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@ -123,8 +129,10 @@ export function createDataLoadingThunk<
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Returned,
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>(
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name: string,
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loadData: (args: Args) => Promise<LoadDataResult>,
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onDataOrThunkOptions?: AppThunkOptions | OnData<LoadDataResult, Returned>,
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loadData: LoadData<Args, LoadDataResult>,
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onDataOrThunkOptions?:
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| AppThunkOptions
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| OnData<Args, LoadDataResult, Returned>,
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thunkOptions?: AppThunkOptions,
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): ReturnType<typeof createThunk<Args, Returned>>;
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@ -159,11 +167,13 @@ export function createDataLoadingThunk<
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Returned,
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>(
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name: string,
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loadData: (args: Args) => Promise<LoadDataResult>,
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onDataOrThunkOptions?: AppThunkOptions | OnData<LoadDataResult, Returned>,
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loadData: LoadData<Args, LoadDataResult>,
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onDataOrThunkOptions?:
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| AppThunkOptions
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| OnData<Args, LoadDataResult, Returned>,
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maybeThunkOptions?: AppThunkOptions,
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) {
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let onData: OnData<LoadDataResult, Returned> | undefined;
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let onData: OnData<Args, LoadDataResult, Returned> | undefined;
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let thunkOptions: AppThunkOptions | undefined;
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if (typeof onDataOrThunkOptions === 'function') onData = onDataOrThunkOptions;
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@ -177,7 +187,10 @@ export function createDataLoadingThunk<
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return createThunk<Args, Returned>(
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name,
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async (arg, { getState, dispatch }) => {
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const data = await loadData(arg);
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const data = await loadData(arg, {
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dispatch,
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getState,
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});
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if (!onData) return data as Returned;
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@ -185,6 +198,7 @@ export function createDataLoadingThunk<
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dispatch,
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getState,
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discardLoadData: discardLoadDataInPayload,
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actionArg: arg,
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});
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// if there is no return in `onData`, we return the `onData` result
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