import { createRenderer, getRequestDependencies, getPreloadLinks, getPrefetchLinks } from 'vue-bundle-renderer/runtime';
import { j as joinRelativeURL, u as useRuntimeConfig, a as getResponseStatusText, b as getResponseStatus, e as defineRenderHandler, f as getQuery, c as createError, h as destr, i as getRouteRules, k as joinURL, l as useNitroApp } from '../nitro/nitro.mjs';
import { renderToString } from 'vue/server-renderer';
import { createHead as createHead$1, propsToString, renderSSRHead } from 'unhead/server';
import { stringify, uneval } from 'devalue';
import { walkResolver } from 'unhead/utils';
import { isRef, toValue, hasInjectionContext, inject, ref, watchEffect, getCurrentInstance, onBeforeUnmount, onDeactivated, onActivated } from 'vue';

const VueResolver = (_, value) => {
  return isRef(value) ? toValue(value) : value;
};

const headSymbol = "usehead";
// @__NO_SIDE_EFFECTS__
function vueInstall(head) {
  const plugin = {
    install(app) {
      app.config.globalProperties.$unhead = head;
      app.config.globalProperties.$head = head;
      app.provide(headSymbol, head);
    }
  };
  return plugin.install;
}

// @__NO_SIDE_EFFECTS__
function injectHead() {
  if (hasInjectionContext()) {
    const instance = inject(headSymbol);
    if (instance) {
      return instance;
    }
  }
  throw new Error("useHead() was called without provide context, ensure you call it through the setup() function.");
}
function useHead(input, options = {}) {
  const head = options.head || /* @__PURE__ */ injectHead();
  return head.ssr ? head.push(input || {}, options) : clientUseHead(head, input, options);
}
function clientUseHead(head, input, options = {}) {
  const deactivated = ref(false);
  let entry;
  watchEffect(() => {
    const i = deactivated.value ? {} : walkResolver(input, VueResolver);
    if (entry) {
      entry.patch(i);
    } else {
      entry = head.push(i, options);
    }
  });
  const vm = getCurrentInstance();
  if (vm) {
    onBeforeUnmount(() => {
      entry.dispose();
    });
    onDeactivated(() => {
      deactivated.value = true;
    });
    onActivated(() => {
      deactivated.value = false;
    });
  }
  return entry;
}

// @__NO_SIDE_EFFECTS__
function createHead(options = {}) {
  const head = createHead$1({
    ...options,
    propResolvers: [VueResolver]
  });
  head.install = vueInstall(head);
  return head;
}

const NUXT_RUNTIME_PAYLOAD_EXTRACTION = false;

const appHead = {"meta":[{"name":"viewport","content":"width=device-width, initial-scale=1"},{"charset":"utf-8"}],"link":[{"rel":"icon","type":"image/svg+xml","href":"/favicon.svg"}],"style":[],"script":[],"noscript":[],"htmlAttrs":{"lang":"en"}};

const appRootTag = "div";

const appRootAttrs = {"id":"__nuxt"};

const appTeleportTag = "div";

const appTeleportAttrs = {"id":"teleports"};

const appSpaLoaderTag = "div";

const appSpaLoaderAttrs = {"id":"__nuxt-loader"};

const appId = "nuxt-app";

function baseURL() {
	// TODO: support passing event to `useRuntimeConfig`
	return useRuntimeConfig().app.baseURL;
}
function buildAssetsDir() {
	// TODO: support passing event to `useRuntimeConfig`
	return useRuntimeConfig().app.buildAssetsDir;
}
function buildAssetsURL(...path) {
	return joinRelativeURL(publicAssetsURL(), buildAssetsDir(), ...path);
}
function publicAssetsURL(...path) {
	// TODO: support passing event to `useRuntimeConfig`
	const app = useRuntimeConfig().app;
	const publicBase = app.cdnURL || app.baseURL;
	return path.length ? joinRelativeURL(publicBase, ...path) : publicBase;
}

const APP_ROOT_OPEN_TAG = `<${appRootTag}${propsToString(appRootAttrs)}>`;
const APP_ROOT_CLOSE_TAG = `</${appRootTag}>`;
// @ts-expect-error file will be produced after app build
const getServerEntry = () => import('../build/server.mjs').then((r) => r.default || r);
// @ts-expect-error file will be produced after app build
const getPrecomputedDependencies = () => import('../build/client.precomputed.mjs').then((r) => r.default || r).then((r) => typeof r === "function" ? r() : r);
// -- SSR Renderer --
const getSSRRenderer = lazyCachedFunction(async () => {
	// Load server bundle
	const createSSRApp = await getServerEntry();
	if (!createSSRApp) {
		throw new Error("Server bundle is not available");
	}
	// Load precomputed dependencies
	const precomputed = await getPrecomputedDependencies();
	// Create renderer
	const renderer = createRenderer(createSSRApp, {
		precomputed,
		manifest: undefined,
		renderToString: renderToString$1,
		buildAssetsURL
	});
	async function renderToString$1(input, context) {
		const html = await renderToString(input, context);
		return APP_ROOT_OPEN_TAG + html + APP_ROOT_CLOSE_TAG;
	}
	return renderer;
});
// -- SPA Renderer --
const getSPARenderer = lazyCachedFunction(async () => {
	const precomputed = await getPrecomputedDependencies();
	// @ts-expect-error virtual file
	const spaTemplate = await import('../virtual/_virtual_spa-template.mjs').then((r) => r.template).catch(() => "").then((r) => {
		{
			const APP_SPA_LOADER_OPEN_TAG = `<${appSpaLoaderTag}${propsToString(appSpaLoaderAttrs)}>`;
			const APP_SPA_LOADER_CLOSE_TAG = `</${appSpaLoaderTag}>`;
			const appTemplate = APP_ROOT_OPEN_TAG + APP_ROOT_CLOSE_TAG;
			const loaderTemplate = r ? APP_SPA_LOADER_OPEN_TAG + r + APP_SPA_LOADER_CLOSE_TAG : "";
			return appTemplate + loaderTemplate;
		}
	});
	// Create SPA renderer and cache the result for all requests
	const renderer = createRenderer(() => () => {}, {
		precomputed,
		manifest: undefined,
		renderToString: () => spaTemplate,
		buildAssetsURL
	});
	const result = await renderer.renderToString({});
	const renderToString = (ssrContext) => {
		const config = useRuntimeConfig(ssrContext.event);
		ssrContext.modules ||= new Set();
		ssrContext.payload.serverRendered = false;
		ssrContext.config = {
			public: config.public,
			app: config.app
		};
		return Promise.resolve(result);
	};
	return {
		rendererContext: renderer.rendererContext,
		renderToString
	};
});
function lazyCachedFunction(fn) {
	let res = null;
	return () => {
		if (res === null) {
			res = fn().catch((err) => {
				res = null;
				throw err;
			});
		}
		return res;
	};
}
function getRenderer(ssrContext) {
	return ssrContext.noSSR ? getSPARenderer() : getSSRRenderer();
}
// @ts-expect-error file will be produced after app build
const getSSRStyles = lazyCachedFunction(() => import('../build/styles.mjs').then((r) => r.default || r));

function renderPayloadResponse(ssrContext) {
	return {
		body: stringify(splitPayload(ssrContext).payload, ssrContext["~payloadReducers"]) ,
		statusCode: getResponseStatus(ssrContext.event),
		statusMessage: getResponseStatusText(ssrContext.event),
		headers: {
			"content-type": "application/json;charset=utf-8" ,
			"x-powered-by": "Nuxt"
		}
	};
}
function renderPayloadJsonScript(opts) {
	const contents = opts.data ? stringify(opts.data, opts.ssrContext["~payloadReducers"]) : "";
	const payload = {
		"type": "application/json",
		"innerHTML": contents,
		"data-nuxt-data": appId,
		"data-ssr": !(opts.ssrContext.noSSR)
	};
	{
		payload.id = "__NUXT_DATA__";
	}
	if (opts.src) {
		payload["data-src"] = opts.src;
	}
	const config = uneval(opts.ssrContext.config);
	return [payload, { innerHTML: `window.__NUXT__={};window.__NUXT__.config=${config}` }];
}
function splitPayload(ssrContext) {
	const { data, prerenderedAt, ...initial } = ssrContext.payload;
	return {
		initial: {
			...initial,
			prerenderedAt
		},
		payload: {
			data,
			prerenderedAt
		}
	};
}

const unheadOptions = {
  disableDefaults: true,
};

function createSSRContext(event) {
	const ssrContext = {
		url: event.path,
		event,
		runtimeConfig: useRuntimeConfig(event),
		noSSR: event.context.nuxt?.noSSR || (false),
		head: createHead(unheadOptions),
		error: false,
		nuxt: undefined,
		payload: {},
		["~payloadReducers"]: Object.create(null),
		modules: new Set()
	};
	return ssrContext;
}
function setSSRError(ssrContext, error) {
	ssrContext.error = true;
	ssrContext.payload = { error };
	ssrContext.url = error.url;
}

async function renderInlineStyles(usedModules) {
	const styleMap = await getSSRStyles();
	const inlinedStyles = new Set();
	for (const mod of usedModules) {
		if (mod in styleMap && styleMap[mod]) {
			for (const style of await styleMap[mod]()) {
				inlinedStyles.add(style);
			}
		}
	}
	return Array.from(inlinedStyles).map((style) => ({ innerHTML: style }));
}

const renderSSRHeadOptions = {"omitLineBreaks":true};

const entryIds = [];

// @ts-expect-error private property consumed by vite-generated url helpers
globalThis.__buildAssetsURL = buildAssetsURL;
// @ts-expect-error private property consumed by vite-generated url helpers
globalThis.__publicAssetsURL = publicAssetsURL;
const HAS_APP_TELEPORTS = !!(appTeleportAttrs.id);
const APP_TELEPORT_OPEN_TAG = HAS_APP_TELEPORTS ? `<${appTeleportTag}${propsToString(appTeleportAttrs)}>` : "";
const APP_TELEPORT_CLOSE_TAG = HAS_APP_TELEPORTS ? `</${appTeleportTag}>` : "";
const PAYLOAD_URL_RE = /^[^?]*\/_payload.json(?:\?.*)?$/ ;
const PAYLOAD_FILENAME = "_payload.json" ;
const renderer = defineRenderHandler(async (event) => {
	const nitroApp = useNitroApp();
	// Whether we're rendering an error page
	const ssrError = event.path.startsWith("/__nuxt_error") ? getQuery(event) : null;
	if (ssrError && !("__unenv__" in event.node.req)) {
		throw createError({
			status: 404,
			statusText: "Page Not Found: /__nuxt_error",
			message: "Page Not Found: /__nuxt_error"
		});
	}
	// Initialize ssr context
	const ssrContext = createSSRContext(event);
	// needed for hash hydration plugin to work
	const headEntryOptions = { mode: "server" };
	ssrContext.head.push(appHead, headEntryOptions);
	if (ssrError) {
		// eslint-disable-next-line @typescript-eslint/no-deprecated
		const status = ssrError.status || ssrError.statusCode;
		if (status) {
			// eslint-disable-next-line @typescript-eslint/no-deprecated
			ssrError.status = ssrError.statusCode = Number.parseInt(status);
		}
		if (typeof ssrError.data === "string") {
			try {
				ssrError.data = destr(ssrError.data);
			} catch {}
		}
		setSSRError(ssrContext, ssrError);
	}
	// Get route options (for `ssr: false`, `isr`, `cache` and `noScripts`)
	const routeOptions = getRouteRules(event);
	// Whether we are prerendering route or using ISR/SWR caching
	const _PAYLOAD_EXTRACTION = !ssrContext.noSSR && (NUXT_RUNTIME_PAYLOAD_EXTRACTION);
	const isRenderingPayload = (_PAYLOAD_EXTRACTION || false) && PAYLOAD_URL_RE.test(ssrContext.url);
	if (isRenderingPayload) {
		const url = ssrContext.url.substring(0, ssrContext.url.lastIndexOf("/")) || "/";
		ssrContext.url = url;
		event._path = event.node.req.url = url;
	}
	if (routeOptions.ssr === false) {
		ssrContext.noSSR = true;
	}
	const payloadURL = _PAYLOAD_EXTRACTION ? joinURL(ssrContext.runtimeConfig.app.cdnURL || ssrContext.runtimeConfig.app.baseURL, ssrContext.url.replace(/\?.*$/, ""), PAYLOAD_FILENAME) + "?" + ssrContext.runtimeConfig.app.buildId : undefined;
	// Render app
	const renderer = await getRenderer(ssrContext);
	{
		for (const id of entryIds) {
			ssrContext.modules.add(id);
		}
	}
	const _rendered = await renderer.renderToString(ssrContext).catch(async (error) => {
		// We use error to bypass full render if we have an early response we can make
		// TODO: remove _renderResponse in nuxt v5
		if ((ssrContext["~renderResponse"] || ssrContext._renderResponse) && error.message === "skipping render") {
			return {};
		}
		// Use explicitly thrown error in preference to subsequent rendering errors
		const _err = !ssrError && ssrContext.payload?.error || error;
		await ssrContext.nuxt?.hooks.callHook("app:error", _err);
		throw _err;
	});
	// Render inline styles
	// TODO: remove _renderResponse in nuxt v5
	const inlinedStyles = !ssrContext["~renderResponse"] && !ssrContext._renderResponse && !isRenderingPayload ? await renderInlineStyles(ssrContext.modules ?? []) : [];
	await ssrContext.nuxt?.hooks.callHook("app:rendered", {
		ssrContext,
		renderResult: _rendered
	});
	if (ssrContext["~renderResponse"] || ssrContext._renderResponse) {
		// TODO: remove _renderResponse in nuxt v5
		return ssrContext["~renderResponse"] || ssrContext._renderResponse;
	}
	// Handle errors
	if (ssrContext.payload?.error && !ssrError) {
		throw ssrContext.payload.error;
	}
	// Directly render payload routes
	if (isRenderingPayload) {
		const response = renderPayloadResponse(ssrContext);
		return response;
	}
	const NO_SCRIPTS = routeOptions.noScripts;
	// Setup head
	const { styles, scripts } = getRequestDependencies(ssrContext, renderer.rendererContext);
	// 1. Preload payloads and app manifest
	if (_PAYLOAD_EXTRACTION && !NO_SCRIPTS) {
		ssrContext.head.push({ link: [{
			rel: "preload",
			as: "fetch",
			crossorigin: "anonymous",
			href: payloadURL
		} ] }, headEntryOptions);
	}
	if (ssrContext["~preloadManifest"] && !NO_SCRIPTS) {
		ssrContext.head.push({ link: [{
			rel: "preload",
			as: "fetch",
			fetchpriority: "low",
			crossorigin: "anonymous",
			href: buildAssetsURL(`builds/meta/${ssrContext.runtimeConfig.app.buildId}.json`)
		}] }, {
			...headEntryOptions,
			tagPriority: "low"
		});
	}
	// 2. Styles
	if (inlinedStyles.length) {
		ssrContext.head.push({ style: inlinedStyles });
	}
	const link = [];
	for (const resource of Object.values(styles)) {
		// Add CSS links in <head> for CSS files
		// - in production
		// - in dev mode when not rendering an island
		link.push({
			rel: "stylesheet",
			href: renderer.rendererContext.buildAssetsURL(resource.file),
			crossorigin: ""
		});
	}
	if (link.length) {
		ssrContext.head.push({ link }, headEntryOptions);
	}
	if (!NO_SCRIPTS) {
		// 4. Resource Hints
		// Remove lazy hydrated modules from ssrContext.modules so they don't get preloaded
		// (CSS links are already added above, this only affects JS preloads)
		if (ssrContext["~lazyHydratedModules"]) {
			for (const id of ssrContext["~lazyHydratedModules"]) {
				ssrContext.modules?.delete(id);
			}
		}
		ssrContext.head.push({ link: getPreloadLinks(ssrContext, renderer.rendererContext) }, headEntryOptions);
		ssrContext.head.push({ link: getPrefetchLinks(ssrContext, renderer.rendererContext) }, headEntryOptions);
		// 5. Payloads
		ssrContext.head.push({ script: _PAYLOAD_EXTRACTION ? renderPayloadJsonScript({
			ssrContext,
			data: splitPayload(ssrContext).initial,
			src: payloadURL
		})  : renderPayloadJsonScript({
			ssrContext,
			data: ssrContext.payload
		})  }, {
			...headEntryOptions,
			tagPosition: "bodyClose",
			tagPriority: "high"
		});
	}
	// 6. Scripts
	if (!routeOptions.noScripts) {
		const tagPosition = "head";
		ssrContext.head.push({ script: Object.values(scripts).map((resource) => ({
			type: resource.module ? "module" : null,
			src: renderer.rendererContext.buildAssetsURL(resource.file),
			defer: resource.module ? null : true,
			tagPosition,
			crossorigin: ""
		})) }, headEntryOptions);
	}
	const { headTags, bodyTags, bodyTagsOpen, htmlAttrs, bodyAttrs } = await renderSSRHead(ssrContext.head, renderSSRHeadOptions);
	// Create render context
	const htmlContext = {
		htmlAttrs: htmlAttrs ? [htmlAttrs] : [],
		head: normalizeChunks([headTags]),
		bodyAttrs: bodyAttrs ? [bodyAttrs] : [],
		bodyPrepend: normalizeChunks([bodyTagsOpen, ssrContext.teleports?.body]),
		body: [_rendered.html, APP_TELEPORT_OPEN_TAG + (HAS_APP_TELEPORTS ? joinTags([ssrContext.teleports?.[`#${appTeleportAttrs.id}`]]) : "") + APP_TELEPORT_CLOSE_TAG],
		bodyAppend: [bodyTags]
	};
	// Allow hooking into the rendered result
	await nitroApp.hooks.callHook("render:html", htmlContext, { event });
	// Construct HTML response
	return {
		body: renderHTMLDocument(htmlContext),
		statusCode: getResponseStatus(event),
		statusMessage: getResponseStatusText(event),
		headers: {
			"content-type": "text/html;charset=utf-8",
			"x-powered-by": "Nuxt"
		}
	};
});
function normalizeChunks(chunks) {
	const result = [];
	for (const _chunk of chunks) {
		const chunk = _chunk?.trim();
		if (chunk) {
			result.push(chunk);
		}
	}
	return result;
}
function joinTags(tags) {
	return tags.join("");
}
function joinAttrs(chunks) {
	if (chunks.length === 0) {
		return "";
	}
	return " " + chunks.join(" ");
}
function renderHTMLDocument(html) {
	return "<!DOCTYPE html>" + `<html${joinAttrs(html.htmlAttrs)}>` + `<head>${joinTags(html.head)}</head>` + `<body${joinAttrs(html.bodyAttrs)}>${joinTags(html.bodyPrepend)}${joinTags(html.body)}${joinTags(html.bodyAppend)}</body>` + "</html>";
}

const renderer$1 = /*#__PURE__*/Object.freeze(/*#__PURE__*/Object.defineProperty({
  __proto__: null,
  default: renderer
}, Symbol.toStringTag, { value: 'Module' }));

export { baseURL as b, headSymbol as h, renderer$1 as r, useHead as u };
//# sourceMappingURL=renderer.mjs.map