async / await and AppThunkAction - TypeScript/React/Redux - Question #278

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fergalmoran · 2025-08-09T17:15:40Z

fergalmoran commented

2025-08-09 17:15:40 +00:00

Originally created by @jonorogers on 12/10/2017

What's the best way to mix the new async/await operators with redux thunk actions when using TypeScript/React/Redux?

I've tried marking the action creator as async:

requestWeatherForecasts: async (startDateIndex: number): AppThunkAction<KnownAction> => (dispatch, getState) => {

But it brings up the following error:

(TS) Type 'AppThunkAction' is not a valid async function return type in ES5/ES3 because it does not refer to a Promise-compatible constructor value.

I've also tried returning async dispatch from the action:

requestWeatherForecasts: (startDateIndex: number): AppThunkAction<KnownAction> => (dispatch, getState) => {

        return async dispatch => {

        }

But that says dispatch is implicitly any:

(TS) Parameter 'dispatch' implicitly has an 'any' type.

I've tried various ways of adding the correct type definition to dispatch inline, but can't seem to get anything working.

*Originally created by @jonorogers on 12/10/2017* What's the best way to mix the new async/await operators with redux thunk actions when using TypeScript/React/Redux? I've tried marking the action creator as async: `requestWeatherForecasts: async (startDateIndex: number): AppThunkAction<KnownAction> => (dispatch, getState) => {` But it brings up the following error: > (TS) Type 'AppThunkAction' is not a valid async function return type in ES5/ES3 because it does not refer to a Promise-compatible constructor value. I've also tried returning async dispatch from the action: ``` requestWeatherForecasts: (startDateIndex: number): AppThunkAction<KnownAction> => (dispatch, getState) => { return async dispatch => { } ``` But that says dispatch is implicitly any: > (TS) Parameter 'dispatch' implicitly has an 'any' type. I've tried various ways of adding the correct type definition to dispatch inline, but can't seem to get anything working.

fergalmoran closed this issue

2025-08-09 17:15:40 +00:00

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Reference: github/JavaScriptServices#278