60 lines
1.8 KiB
TypeScript
60 lines
1.8 KiB
TypeScript
/*
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { DispatcherAction } from "./actions";
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/**
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* The base dispatch type exposed by our dispatcher.
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*/
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export interface ActionPayload {
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[property: string]: any; // effectively makes this 'extends Object'
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action: DispatcherAction;
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}
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/**
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* The function the dispatcher calls when ready for an AsyncActionPayload. The
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* single argument is used to start a dispatch. First the dispatcher calls the
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* outer function, then when the called function is ready it calls the cb
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* function to issue the dispatch. It may call the callback repeatedly if needed.
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*/
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export type AsyncActionFn = (cb: (action: ActionPayload) => void) => void;
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/**
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* An async version of ActionPayload
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*/
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export class AsyncActionPayload implements ActionPayload {
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/**
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* The function the dispatcher should call.
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*/
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public readonly fn: AsyncActionFn;
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/**
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* @deprecated Not used on AsyncActionPayload.
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*/
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public get action(): DispatcherAction {
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return "NOT_USED";
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}
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/**
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* Create a new AsyncActionPayload with the given ready function.
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* @param {AsyncActionFn} readyFn The function to be called when the
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* dispatcher is ready.
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*/
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public constructor(readyFn: AsyncActionFn) {
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this.fn = readyFn;
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}
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}
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