56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
/* eslint no-param-reassign: ["error", { "props": false }]*/
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/* eslint no-new: "off" */
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import AccessorUtilities from './lib/utils/accessor';
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/**
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* Memorize the last selected tab after reloading a page.
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* Does that setting the current selected tab in the localStorage
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*/
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class ActiveTabMemoizer {
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constructor({ currentTabKey = 'current_signin_tab', tabSelector = 'ul.nav-tabs' } = {}) {
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this.currentTabKey = currentTabKey;
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this.tabSelector = tabSelector;
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this.isLocalStorageAvailable = AccessorUtilities.isLocalStorageAccessSafe();
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this.bootstrap();
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}
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bootstrap() {
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const tabs = document.querySelectorAll(this.tabSelector);
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if (tabs.length > 0) {
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tabs[0].addEventListener('click', (e) => {
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if (e.target && e.target.nodeName === 'A') {
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const anchorName = e.target.getAttribute('href');
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this.saveData(anchorName);
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}
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});
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}
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this.showTab();
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}
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showTab() {
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const anchorName = this.readData();
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if (anchorName) {
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const tab = document.querySelector(`${this.tabSelector} a[href="${anchorName}"]`);
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if (tab) {
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tab.click();
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}
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}
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}
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saveData(val) {
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if (!this.isLocalStorageAvailable) return undefined;
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return window.localStorage.setItem(this.currentTabKey, val);
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}
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readData() {
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if (!this.isLocalStorageAvailable) return null;
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return window.localStorage.getItem(this.currentTabKey);
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}
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}
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window.ActiveTabMemoizer = ActiveTabMemoizer;
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