@tanstack/vue-router/dist/esm/headContentUtils.js

Modern and scalable routing for Vue applications

import { useRouter } from "./useRouter.js";
import { appendUniqueUserTags, escapeHtml, getAssetCrossOrigin, getScriptPreloadAttrs, resolveManifestCssLink } from "@tanstack/router-core";
import * as Vue from "vue";
import { useStore } from "@tanstack/vue-store";
//#region src/headContentUtils.tsx
var useTags = (assetCrossOrigin) => {
	const router = useRouter();
	const matches = useStore(router.stores.matches, (value) => value);
	const meta = Vue.computed(() => {
		const resultMeta = [];
		const metaByAttribute = {};
		let title;
		[...matches.value.map((match) => match.meta).filter(Boolean)].reverse().forEach((metas) => {
			[...metas].reverse().forEach((m) => {
				if (!m) return;
				if (m.title) {
					if (!title) title = {
						tag: "title",
						children: m.title
					};
				} else if ("script:ld+json" in m) try {
					const json = JSON.stringify(m["script:ld+json"]);
					resultMeta.push({
						tag: "script",
						attrs: { type: "application/ld+json" },
						children: escapeHtml(json)
					});
				} catch {}
				else {
					const attribute = m.name ?? m.property;
					if (attribute) if (metaByAttribute[attribute]) return;
					else metaByAttribute[attribute] = true;
					resultMeta.push({
						tag: "meta",
						attrs: { ...m }
					});
				}
			});
		});
		if (title) resultMeta.push(title);
		resultMeta.reverse();
		return resultMeta;
	});
	const links = Vue.computed(() => matches.value.map((match) => match.links).filter(Boolean).flat(1).map((link) => ({
		tag: "link",
		attrs: { ...link }
	})));
	const preloadMeta = Vue.computed(() => {
		const preloadMeta = [];
		matches.value.forEach((match) => {
			router.ssr?.manifest?.routes[match.routeId]?.preloads?.filter(Boolean).forEach((preload) => {
				preloadMeta.push({
					tag: "link",
					attrs: { ...getScriptPreloadAttrs(router.ssr?.manifest, preload, assetCrossOrigin) }
				});
			});
		});
		return preloadMeta;
	});
	const headScripts = Vue.computed(() => matches.value.map((match) => match.headScripts).flat(1).filter(Boolean).map(({ children, ...script }) => ({
		tag: "script",
		attrs: { ...script },
		children
	})));
	const manifestAssets = Vue.computed(() => {
		const manifest = router.ssr?.manifest;
		const assets = [];
		matches.value.forEach((match) => {
			(manifest?.routes[match.routeId])?.css?.forEach((link) => {
				const resolvedLink = resolveManifestCssLink(link);
				assets.push({
					tag: "link",
					attrs: {
						rel: "stylesheet",
						...resolvedLink,
						crossOrigin: getAssetCrossOrigin(assetCrossOrigin, "stylesheet") ?? resolvedLink.crossOrigin
					}
				});
			});
		});
		if (manifest?.inlineStyle) assets.push({
			tag: "style",
			attrs: manifest.inlineStyle.attrs,
			children: manifest.inlineStyle.children,
			inlineCss: true
		});
		return assets;
	});
	return () => {
		const tags = [];
		tags.push(...manifestAssets.value);
		appendUniqueUserTags(tags, meta.value);
		tags.push(...preloadMeta.value);
		appendUniqueUserTags(tags, links.value);
		appendUniqueUserTags(tags, headScripts.value);
		return tags;
	};
};
//#endregion
export { useTags };

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