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When the payload is a Promise, the Promise Middleware will change what `dispatch()` returns. Reflect this with typing. According to documentation [1], it is a Promise of an object with the promised `value` and the FULFILLED action `type`. [1] https://github.com/pburtchaell/redux-promise-middleware/blob/master/docs/guides/chaining-actions.md
25 lines
767 B
TypeScript
25 lines
767 B
TypeScript
// Type definitions for redux-promise-middleware
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// Project: https://github.com/pburtchaell/redux-promise-middleware
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// Definitions by: ianks <https://github.com/ianks>
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// Definitions: https://github.com/borisyankov/DefinitelyTyped
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// TypeScript Version: 2.8
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import { Middleware } from 'redux';
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export default function promiseMiddleware(config?: { promiseTypeSuffixes?: string[], promiseTypeDelimiter?: string }): Middleware;
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declare module "redux" {
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export interface PromiseAction<R> extends Action {
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payload: Promise<R>;
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}
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type PayloadType<PA> = PA extends PromiseAction<infer R> ? R : never;
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export interface Dispatch<S> {
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<R, PA extends PromiseAction<R>>(action: PA): Promise<{
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value: PayloadType<PA>;
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type: string;
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}>;
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}
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}
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