nuxt/dist/pages/runtime/router.options.js

Nuxt is a free and open-source framework with an intuitive and extendable way to create type-safe, performant and production-grade full-stack web applications and websites with Vue.js.

import { useNuxtApp } from "#app/nuxt";
import { START_LOCATION } from "vue-router";
import { useRouter as useRouter$1 } from "#app/composables/router";
import { isChangingPage } from "#app/components/utils";
//#region src/pages/runtime/router.options.ts
var router_options_default = { scrollBehavior(to, from, savedPosition) {
	const nuxtApp = useNuxtApp();
	const router = useRouter$1();
	const hashScrollBehaviour = router.options?.scrollBehaviorType ?? "auto";
	if (to.path.replace(/\/$/, "") === from.path.replace(/\/$/, "")) {
		if (from.hash && !to.hash) return savedPosition ?? {
			left: 0,
			top: 0
		};
		if (to.hash) return {
			el: to.hash,
			top: _getHashElementScrollMarginTop(to.hash),
			behavior: hashScrollBehaviour
		};
		return false;
	}
	if ((typeof to.meta.scrollToTop === "function" ? to.meta.scrollToTop(to, from) : to.meta.scrollToTop) === false) return false;
	if (from === START_LOCATION) return _calculatePosition(to, from, savedPosition, hashScrollBehaviour);
	return new Promise((resolve) => {
		const doScroll = () => {
			requestAnimationFrame(() => {
				if (router.currentRoute.value.fullPath !== to.fullPath) {
					resolve(false);
					return;
				}
				resolve(_calculatePosition(to, from, savedPosition, hashScrollBehaviour));
			});
		};
		nuxtApp.hooks.hookOnce("page:loading:end", () => {
			const transitionPromise = nuxtApp["~transitionPromise"];
			if (transitionPromise) transitionPromise.then(doScroll);
			else doScroll();
		});
	});
} };
function _getHashElementScrollMarginTop(selector) {
	try {
		const elem = document.querySelector(selector);
		if (elem) return (Number.parseFloat(getComputedStyle(elem).scrollMarginTop) || 0) + (Number.parseFloat(getComputedStyle(document.documentElement).scrollPaddingTop) || 0);
	} catch {}
	return 0;
}
function _calculatePosition(to, from, savedPosition, defaultHashScrollBehaviour) {
	if (savedPosition) return savedPosition;
	if (to.hash) return {
		el: to.hash,
		top: _getHashElementScrollMarginTop(to.hash),
		behavior: isChangingPage(to, from) ? defaultHashScrollBehaviour : "instant"
	};
	return {
		left: 0,
		top: 0
	};
}
//#endregion
export { router_options_default as default };