var popstateHandler = function()

in assets/js/plugins/smooth-scroll.js [556:579]

• 10 lines of code
• 7 McCabe index (conditional complexity)

		var popstateHandler = function (event) {

			// Stop if history.state doesn't exist (ex. if clicking on a broken anchor link).
			// fixes `Cannot read property 'smoothScroll' of null` error getting thrown.
			if (history.state === null) return;

			// Only run if state is a popstate record for this instantiation
			if (!history.state.smoothScroll || history.state.smoothScroll !== JSON.stringify(settings)) return;

			// Only run if state includes an anchor

			// if (!history.state.anchor && history.state.anchor !== 0) return;

			// Get the anchor
			var anchor = history.state.anchor;
			if (typeof anchor === 'string' && anchor) {
				anchor = document.querySelector(escapeCharacters(history.state.anchor));
				if (!anchor) return;
			}

			// Animate scroll to anchor link
			smoothScroll.animateScroll(anchor, null, {updateURL: false});

		};