58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
import deepFreeze from 'deep-freeze-strict';
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import ACTION_TYPES from './AnchorSelectorActionTypes';
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import anchorSelectorStates from './AnchorSelectorStates';
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/**
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* Default state
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*/
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const initialState = deepFreeze({ pages: [] });
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export default function anchorSelectorReducer(state = initialState, action = null) {
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/**
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* Update details for the page
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*
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* @param {String} loadingState - State flag for this page
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* @param {Array} anchors - Anchors for this page
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* @return {Object} Updated state
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*/
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const updatePage = (loadingState, anchors) => {
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const id = action.payload.pageId;
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return deepFreeze({
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pages: [
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...state.pages.filter(next => next.id !== id),
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{
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id,
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loadingState,
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anchors,
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},
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].sort((left, right) => (left.id - right.id)),
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});
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};
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// Update page status
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switch (action.type) {
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case ACTION_TYPES.ANCHORSELECTOR_UPDATING: {
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return updatePage(anchorSelectorStates.UPDATING, []);
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}
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case ACTION_TYPES.ANCHORSELECTOR_UPDATED: {
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const { anchors, cacheResult } = action.payload;
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const { SUCCESS, DIRTY } = anchorSelectorStates;
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const newSelectorLoadingState = cacheResult ? SUCCESS : DIRTY;
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return updatePage(newSelectorLoadingState, anchors);
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}
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case ACTION_TYPES.ANCHORSELECTOR_CURRENT_FIELD: {
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const { anchors } = action.payload;
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return updatePage(anchorSelectorStates.FIELD_ONLY, anchors);
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}
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case ACTION_TYPES.ANCHORSELECTOR_UPDATE_FAILED: {
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return updatePage(anchorSelectorStates.FAILED, []);
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}
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default:
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return state;
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}
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}
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