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Use an Immutable Record as the root state (#25584)

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Renaud Chaput 2023-06-30 17:03:25 +02:00 committed by GitHub
parent 9934949fc4
commit 78ba12f0bf
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1 changed files with 19 additions and 1 deletions
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20
app/javascript/mastodon/reducers/index.ts
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@ -1,3 +1,5 @@
import { Record as ImmutableRecord } from 'immutable';
import { loadingBarReducer } from 'react-redux-loading-bar';
import { combineReducers } from 'redux-immutable';
@ -88,6 +90,22 @@ const reducers = {
followed_tags,
};
const rootReducer = combineReducers(reducers);
// We want the root state to be an ImmutableRecord, which is an object with a defined list of keys,
// so it is properly typed and keys can be accessed using `state.<key>` syntax.
// This will allow an easy conversion to a plain object once we no longer call `get` or `getIn` on the root state
// By default with `combineReducers` it is a Collection, so we provide our own implementation to get a Record
const initialRootState = Object.fromEntries(
Object.entries(reducers).map(([name, reducer]) => [
name,
reducer(undefined, {
// empty action
}),
])
);
const RootStateRecord = ImmutableRecord(initialRootState, 'RootState');
const rootReducer = combineReducers(reducers, RootStateRecord);
export { rootReducer };