72 lines
1.7 KiB
JavaScript
72 lines
1.7 KiB
JavaScript
import * as ACTIONS from 'constants/action_types';
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const getCurrentPath = () => {
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const { hash } = document.location;
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if (hash !== '') return hash.replace(/^#/, '');
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return '/discover';
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};
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const reducers = {};
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const defaultState = {
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currentPath: getCurrentPath(),
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pathAfterAuth: '/discover',
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index: 0,
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stack: [],
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};
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reducers[ACTIONS.DAEMON_READY] = state => {
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const { currentPath } = state;
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return Object.assign({}, state, {
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stack: [{ path: currentPath, scrollY: 0 }],
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});
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};
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reducers[ACTIONS.CHANGE_AFTER_AUTH_PATH] = (state, action) =>
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Object.assign({}, state, {
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pathAfterAuth: action.data.path,
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});
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reducers[ACTIONS.HISTORY_NAVIGATE] = (state, action) => {
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const { stack, index } = state;
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const { url: path, index: newIndex } = action.data;
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const newState = {
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currentPath: path,
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};
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if (newIndex >= 0) {
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newState.index = newIndex;
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} else if (!stack[index] || stack[index].path !== path) {
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// ^ Check for duplicated
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newState.stack = [...stack.slice(0, index + 1), { path, scrollY: 0 }];
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newState.index = newState.stack.length - 1;
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}
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return Object.assign({}, state, newState);
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};
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reducers[ACTIONS.WINDOW_SCROLLED] = (state, action) => {
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const { index } = state;
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const { scrollY } = action.data;
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return Object.assign({}, state, {
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stack: state.stack.map((stackItem, itemIndex) => {
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if (itemIndex !== index) {
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return stackItem;
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}
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return {
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...stackItem,
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scrollY,
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};
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}),
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});
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};
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export default function reducer(state = defaultState, action) {
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const handler = reducers[action.type];
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if (handler) {
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return handler(state, action);
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}
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return state;
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}
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