height_cache.js (621B)
- import { Map as ImmutableMap } from 'immutable';
- import { HEIGHT_CACHE_SET, HEIGHT_CACHE_CLEAR } from '../actions/height_cache';
- const initialState = ImmutableMap();
- const setHeight = (state, key, id, height) => {
- return state.update(key, ImmutableMap(), map => map.set(id, height));
- };
- const clearHeights = () => {
- return ImmutableMap();
- };
- export default function statuses(state = initialState, action) {
- switch(action.type) {
- case HEIGHT_CACHE_SET:
- return setHeight(state, action.key, action.id, action.height);
- case HEIGHT_CACHE_CLEAR:
- return clearHeights();
- default:
- return state;
- }
- };