42 lines
1.4 KiB
JavaScript
42 lines
1.4 KiB
JavaScript
/**
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* @file
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* Webform behaviors.
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*/
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(function ($, Drupal) {
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'use strict';
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// Trigger Drupal's attaching of behaviors after the page is
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// completely loaded.
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// @see https://stackoverflow.com/questions/37838430/detect-if-page-is-load-from-back-button
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// @see https://stackoverflow.com/questions/20899274/how-to-refresh-page-on-back-button-click/20899422#20899422
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var isChrome = (/chrom(e|ium)/.test(window.navigator.userAgent.toLowerCase()));
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if (isChrome) {
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// Track back button in navigation.
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// @see https://stackoverflow.com/questions/37838430/detect-if-page-is-load-from-back-button
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var backButton = false;
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if (window.performance) {
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var navEntries = window.performance.getEntriesByType('navigation');
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if (navEntries.length > 0 && navEntries[0].type === 'back_forward') {
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backButton = true;
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}
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else if (window.performance.navigation
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&& window.performance.navigation.type === window.performance.navigation.TYPE_BACK_FORWARD) {
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backButton = true;
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}
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}
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// If the back button is pressed, delay Drupal's attaching of behaviors.
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if (backButton) {
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var attachBehaviors = Drupal.attachBehaviors;
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Drupal.attachBehaviors = function (context, settings) {
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setTimeout(function (context, settings) {
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attachBehaviors(context, settings);
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}, 300);
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};
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}
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}
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})(jQuery, Drupal);
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