72 lines
1.5 KiB
JavaScript
72 lines
1.5 KiB
JavaScript
import Vue from 'vue';
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// initial state
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const state = {
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toolBarActive: true,
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openedBook: {},
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};
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// getters
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const getters = {
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lastOpenedBook: (state) => {
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let max = 0;
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let result = null;
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for (let bookKey in state.openedBook) {
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const book = state.openedBook[bookKey];
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if (book.touchTime > max) {
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max = book.touchTime;
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result = book;
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}
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}
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return result;
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},
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};
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// actions
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const actions = {};
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function delBook(state, value) {
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Vue.delete(state.openedBook, value.key);
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}
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function cleanBooks(state) {
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if (Object.keys(state.openedBook).length > 100) {
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let min = Date.now();
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let found = null;
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for (let bookKey in state.openedBook) {
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const book = state.openedBook[bookKey];
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if (book.touchTime < min) {
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min = book.touchTime;
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found = book;
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}
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}
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if (found) {
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delBook(found);
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cleanBooks(state);
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}
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}
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}
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// mutations
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const mutations = {
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setToolBarActive(state, value) {
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state.toolBarActive = value;
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},
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setOpenedBook(state, value) {
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Vue.set(state.openedBook, value.key, Object.assign({}, value, {touchTime: Date.now()}));
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cleanBooks(state);
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},
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delOpenedBook(state, value) {
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delBook(state, value);
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}
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};
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export default {
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namespaced: true,
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state,
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getters,
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actions,
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mutations
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};
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