58 lines
1.6 KiB
TypeScript
58 lines
1.6 KiB
TypeScript
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// Copyright 2023 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import type { AnyAction } from 'redux';
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import * as log from '../logging/log';
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import { getInitialState } from './getInitialState';
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import { reducer as normalReducer } from './reducer';
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import type { StateType } from './reducer';
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import type { ReduxInitData } from './initializeRedux';
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const REPLACE_STATE = 'resetReducer/REPLACE';
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export function reinitializeRedux(options: ReduxInitData): void {
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const logId = 'initializeRedux';
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const existingState = window.reduxStore.getState();
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const newInitialState = getInitialState(options, existingState);
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const resetReducer = (
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state: StateType | undefined,
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action: AnyAction
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): StateType => {
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if (state == null) {
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log.info(
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`${logId}/resetReducer: Got null incoming state, returning newInitialState`
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);
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return newInitialState;
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}
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const { type } = action;
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if (type === REPLACE_STATE) {
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log.info(
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`${logId}/resetReducer: Got REPLACE_STATE action, returning newInitialState`
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);
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return newInitialState;
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}
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log.info(
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`${logId}/resetReducer: Got action with type ${type}, returning original state`
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);
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return state;
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};
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log.info(`${logId}: installing resetReducer`);
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window.reduxStore.replaceReducer(resetReducer);
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log.info(`${logId}: dispatching REPLACE_STATE event`);
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window.reduxStore.dispatch({
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type: REPLACE_STATE,
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});
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log.info(`${logId}: restoring original reducer`);
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window.reduxStore.replaceReducer(normalReducer);
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log.info(`${logId}: complete!`);
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}
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