mastodon-glitch/app/javascript/mastodon/reducers/history.js

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import { HISTORY_FETCH_REQUEST, HISTORY_FETCH_SUCCESS, HISTORY_FETCH_FAIL } from 'mastodon/actions/history';
import { Map as ImmutableMap, List as ImmutableList, fromJS } from 'immutable';
const initialHistory = ImmutableMap({
loading: false,
items: ImmutableList(),
});
const initialState = ImmutableMap();
export default function history(state = initialState, action) {
switch(action.type) {
case HISTORY_FETCH_REQUEST:
return state.update(action.statusId, initialHistory, history => history.withMutations(map => {
map.set('loading', true);
map.set('items', ImmutableList());
}));
case HISTORY_FETCH_SUCCESS:
return state.update(action.statusId, initialHistory, history => history.withMutations(map => {
map.set('loading', false);
map.set('items', fromJS(action.history.map((x, i) => ({ ...x, account: x.account.id, original: i === 0 })).reverse()));
}));
case HISTORY_FETCH_FAIL:
return state.update(action.statusId, initialHistory, history => history.set('loading', false));
default:
return state;
}
}