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

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import { Map as ImmutableMap, fromJS } from 'immutable';
import {
LIST_FETCH_SUCCESS,
LIST_FETCH_FAIL,
LISTS_FETCH_SUCCESS,
LIST_CREATE_SUCCESS,
LIST_UPDATE_SUCCESS,
LIST_DELETE_SUCCESS,
} from '../actions/lists';
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const initialState = ImmutableMap();
const normalizeList = (state, list) => state.set(list.id, fromJS(list));
const normalizeLists = (state, lists) => {
lists.forEach(list => {
state = normalizeList(state, list);
});
return state;
};
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export default function lists(state = initialState, action) {
switch(action.type) {
case LIST_FETCH_SUCCESS:
case LIST_CREATE_SUCCESS:
case LIST_UPDATE_SUCCESS:
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return normalizeList(state, action.list);
case LISTS_FETCH_SUCCESS:
return normalizeLists(state, action.lists);
case LIST_DELETE_SUCCESS:
case LIST_FETCH_FAIL:
return state.set(action.id, false);
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default:
return state;
}
}