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import AccessorUtilities from '~/lib/utils/accessor';
/**
* Memorize the last selected tab after reloading a page.
* Does that setting the current selected tab in the localStorage
*/
export default class SigninTabsMemoizer {
constructor({ currentTabKey = 'current_signin_tab', tabSelector = 'ul.new-session-tabs' } = {}) {
this.currentTabKey = currentTabKey;
this.tabSelector = tabSelector;
this.isLocalStorageAvailable = AccessorUtilities.isLocalStorageAccessSafe();
// sets selected tab if given as hash tag
if (window.location.hash) {
this.saveData(window.location.hash);
}
this.bootstrap();
}
bootstrap() {
const tabs = document.querySelectorAll(this.tabSelector);
if (tabs.length > 0) {
tabs[0].addEventListener('click', e => {
if (e.target && e.target.nodeName === 'A') {
const anchorName = e.target.getAttribute('href');
this.saveData(anchorName);
}
});
}
this.showTab();
}
showTab() {
const anchorName = this.readData();
if (anchorName) {
const tab = document.querySelector(`${this.tabSelector} a[href="${anchorName}"]`);
if (tab) {
tab.click();
} else {
const firstTab = document.querySelector(`${this.tabSelector} a`);
if (firstTab) {
firstTab.click();
}
}
}
}
saveData(val) {
if (!this.isLocalStorageAvailable) return undefined;
return window.localStorage.setItem(this.currentTabKey, val);
}
readData() {
if (!this.isLocalStorageAvailable) return null;
return window.localStorage.getItem(this.currentTabKey);
}
}
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