diff --git a/app/javascript/flavours/glitch/reducers/index.ts b/app/javascript/flavours/glitch/reducers/index.ts index fdfa4104f6..0bc2660b06 100644 --- a/app/javascript/flavours/glitch/reducers/index.ts +++ b/app/javascript/flavours/glitch/reducers/index.ts @@ -1,3 +1,5 @@ +import { Record as ImmutableRecord } from 'immutable'; + import { loadingBarReducer } from 'react-redux-loading-bar'; import { combineReducers } from 'redux-immutable'; @@ -92,6 +94,22 @@ 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.` 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 };