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- import type { Action } from 'redux';
- import type { IsUnknownOrNonInferrable, IfMaybeUndefined, IfVoid, IsAny } from './tsHelpers';
- /**
- * An action with a string type and an associated payload. This is the
- * type of action returned by `createAction()` action creators.
- *
- * @template P The type of the action's payload.
- * @template T the type used for the action type.
- * @template M The type of the action's meta (optional)
- * @template E The type of the action's error (optional)
- *
- * @public
- */
- export declare type PayloadAction<P = void, T extends string = string, M = never, E = never> = {
- payload: P;
- type: T;
- } & ([M] extends [never] ? {} : {
- meta: M;
- }) & ([E] extends [never] ? {} : {
- error: E;
- });
- /**
- * A "prepare" method to be used as the second parameter of `createAction`.
- * Takes any number of arguments and returns a Flux Standard Action without
- * type (will be added later) that *must* contain a payload (might be undefined).
- *
- * @public
- */
- export declare type PrepareAction<P> = ((...args: any[]) => {
- payload: P;
- }) | ((...args: any[]) => {
- payload: P;
- meta: any;
- }) | ((...args: any[]) => {
- payload: P;
- error: any;
- }) | ((...args: any[]) => {
- payload: P;
- meta: any;
- error: any;
- });
- /**
- * Internal version of `ActionCreatorWithPreparedPayload`. Not to be used externally.
- *
- * @internal
- */
- export declare type _ActionCreatorWithPreparedPayload<PA extends PrepareAction<any> | void, T extends string = string> = PA extends PrepareAction<infer P> ? ActionCreatorWithPreparedPayload<Parameters<PA>, P, T, ReturnType<PA> extends {
- error: infer E;
- } ? E : never, ReturnType<PA> extends {
- meta: infer M;
- } ? M : never> : void;
- /**
- * Basic type for all action creators.
- *
- * @inheritdoc {redux#ActionCreator}
- */
- export interface BaseActionCreator<P, T extends string, M = never, E = never> {
- type: T;
- match: (action: Action<unknown>) => action is PayloadAction<P, T, M, E>;
- }
- /**
- * An action creator that takes multiple arguments that are passed
- * to a `PrepareAction` method to create the final Action.
- * @typeParam Args arguments for the action creator function
- * @typeParam P `payload` type
- * @typeParam T `type` name
- * @typeParam E optional `error` type
- * @typeParam M optional `meta` type
- *
- * @inheritdoc {redux#ActionCreator}
- *
- * @public
- */
- export interface ActionCreatorWithPreparedPayload<Args extends unknown[], P, T extends string = string, E = never, M = never> extends BaseActionCreator<P, T, M, E> {
- /**
- * Calling this {@link redux#ActionCreator} with `Args` will return
- * an Action with a payload of type `P` and (depending on the `PrepareAction`
- * method used) a `meta`- and `error` property of types `M` and `E` respectively.
- */
- (...args: Args): PayloadAction<P, T, M, E>;
- }
- /**
- * An action creator of type `T` that takes an optional payload of type `P`.
- *
- * @inheritdoc {redux#ActionCreator}
- *
- * @public
- */
- export interface ActionCreatorWithOptionalPayload<P, T extends string = string> extends BaseActionCreator<P, T> {
- /**
- * Calling this {@link redux#ActionCreator} with an argument will
- * return a {@link PayloadAction} of type `T` with a payload of `P`.
- * Calling it without an argument will return a PayloadAction with a payload of `undefined`.
- */
- (payload?: P): PayloadAction<P, T>;
- }
- /**
- * An action creator of type `T` that takes no payload.
- *
- * @inheritdoc {redux#ActionCreator}
- *
- * @public
- */
- export interface ActionCreatorWithoutPayload<T extends string = string> extends BaseActionCreator<undefined, T> {
- /**
- * Calling this {@link redux#ActionCreator} will
- * return a {@link PayloadAction} of type `T` with a payload of `undefined`
- */
- (noArgument: void): PayloadAction<undefined, T>;
- }
- /**
- * An action creator of type `T` that requires a payload of type P.
- *
- * @inheritdoc {redux#ActionCreator}
- *
- * @public
- */
- export interface ActionCreatorWithPayload<P, T extends string = string> extends BaseActionCreator<P, T> {
- /**
- * Calling this {@link redux#ActionCreator} with an argument will
- * return a {@link PayloadAction} of type `T` with a payload of `P`
- */
- (payload: P): PayloadAction<P, T>;
- }
- /**
- * An action creator of type `T` whose `payload` type could not be inferred. Accepts everything as `payload`.
- *
- * @inheritdoc {redux#ActionCreator}
- *
- * @public
- */
- export interface ActionCreatorWithNonInferrablePayload<T extends string = string> extends BaseActionCreator<unknown, T> {
- /**
- * Calling this {@link redux#ActionCreator} with an argument will
- * return a {@link PayloadAction} of type `T` with a payload
- * of exactly the type of the argument.
- */
- <PT extends unknown>(payload: PT): PayloadAction<PT, T>;
- }
- /**
- * An action creator that produces actions with a `payload` attribute.
- *
- * @typeParam P the `payload` type
- * @typeParam T the `type` of the resulting action
- * @typeParam PA if the resulting action is preprocessed by a `prepare` method, the signature of said method.
- *
- * @public
- */
- export declare type PayloadActionCreator<P = void, T extends string = string, PA extends PrepareAction<P> | void = void> = IfPrepareActionMethodProvided<PA, _ActionCreatorWithPreparedPayload<PA, T>, IsAny<P, ActionCreatorWithPayload<any, T>, IsUnknownOrNonInferrable<P, ActionCreatorWithNonInferrablePayload<T>, IfVoid<P, ActionCreatorWithoutPayload<T>, IfMaybeUndefined<P, ActionCreatorWithOptionalPayload<P, T>, ActionCreatorWithPayload<P, T>>>>>>;
- /**
- * A utility function to create an action creator for the given action type
- * string. The action creator accepts a single argument, which will be included
- * in the action object as a field called payload. The action creator function
- * will also have its toString() overridden so that it returns the action type,
- * allowing it to be used in reducer logic that is looking for that action type.
- *
- * @param type The action type to use for created actions.
- * @param prepare (optional) a method that takes any number of arguments and returns { payload } or { payload, meta }.
- * If this is given, the resulting action creator will pass its arguments to this method to calculate payload & meta.
- *
- * @public
- */
- export declare function createAction<P = void, T extends string = string>(type: T): PayloadActionCreator<P, T>;
- /**
- * A utility function to create an action creator for the given action type
- * string. The action creator accepts a single argument, which will be included
- * in the action object as a field called payload. The action creator function
- * will also have its toString() overridden so that it returns the action type,
- * allowing it to be used in reducer logic that is looking for that action type.
- *
- * @param type The action type to use for created actions.
- * @param prepare (optional) a method that takes any number of arguments and returns { payload } or { payload, meta }.
- * If this is given, the resulting action creator will pass its arguments to this method to calculate payload & meta.
- *
- * @public
- */
- export declare function createAction<PA extends PrepareAction<any>, T extends string = string>(type: T, prepareAction: PA): PayloadActionCreator<ReturnType<PA>['payload'], T, PA>;
- /**
- * Returns true if value is a plain object with a `type` property.
- */
- export declare function isAction(action: unknown): action is Action<unknown>;
- /**
- * Returns true if value is an RTK-like action creator, with a static type property and match method.
- */
- export declare function isActionCreator(action: unknown): action is BaseActionCreator<unknown, string> & Function;
- /**
- * Returns true if value is an action with a string type and valid Flux Standard Action keys.
- */
- export declare function isFSA(action: unknown): action is {
- type: string;
- payload?: unknown;
- error?: unknown;
- meta?: unknown;
- };
- /**
- * Returns the action type of the actions created by the passed
- * `createAction()`-generated action creator (arbitrary action creators
- * are not supported).
- *
- * @param action The action creator whose action type to get.
- * @returns The action type used by the action creator.
- *
- * @public
- */
- export declare function getType<T extends string>(actionCreator: PayloadActionCreator<any, T>): T;
- declare type IfPrepareActionMethodProvided<PA extends PrepareAction<any> | void, True, False> = PA extends (...args: any[]) => any ? True : False;
- export {};
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