336 lines
12 KiB
JavaScript
336 lines
12 KiB
JavaScript
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import { AsyncLocalStorage } from "node:async_hooks";
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import { getPrefetchLinks, getPreloadLinks, getRequestDependencies, renderResourceHeaders } from "vue-bundle-renderer/runtime";
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import { appendResponseHeader, createError, getQuery, getResponseStatus, getResponseStatusText, writeEarlyHints } from "h3";
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import { getQuery as getURLQuery, joinURL } from "ufo";
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import { propsToString, renderSSRHead } from "@unhead/vue/server";
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import destr from "destr";
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import { getRenderer } from "../utils/renderer/build-files.mjs";
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import { payloadCache, prerenderRenderingURLs } from "../utils/cache.mjs";
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import { renderPayloadJsonScript, renderPayloadResponse, renderPayloadScript, splitPayload } from "../utils/renderer/payload.mjs";
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import { createSSRContext, setSSRError } from "../utils/renderer/app.mjs";
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import { renderInlineStyles } from "../utils/renderer/inline-styles.mjs";
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import { replaceIslandTeleports } from "../utils/renderer/islands.mjs";
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import { defineRenderHandler, getRouteRules, useNitroApp } from "nitropack/runtime";
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// @ts-expect-error virtual file
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import { renderSSRHeadOptions } from "#internal/unhead.config.mjs";
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// @ts-expect-error virtual file
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import { NUXT_ASYNC_CONTEXT, NUXT_EARLY_HINTS, NUXT_INLINE_STYLES, NUXT_JSON_PAYLOADS, NUXT_NO_SCRIPTS, NUXT_PAYLOAD_EXTRACTION, NUXT_RUNTIME_PAYLOAD_EXTRACTION, PARSE_ERROR_DATA } from "#internal/nuxt/nitro-config.mjs";
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// @ts-expect-error virtual file
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import { appHead, appTeleportAttrs, appTeleportTag, componentIslands, appManifest as isAppManifestEnabled } from "#internal/nuxt.config.mjs";
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// @ts-expect-error virtual file
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import entryIds from "#internal/nuxt/entry-ids.mjs";
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// @ts-expect-error virtual file
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import { entryFileName } from "#internal/entry-chunk.mjs";
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// @ts-expect-error virtual file
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import { buildAssetsURL, publicAssetsURL } from "#internal/nuxt/paths";
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import { relative } from "pathe";
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// @ts-expect-error private property consumed by vite-generated url helpers
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globalThis.__buildAssetsURL = buildAssetsURL;
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// @ts-expect-error private property consumed by vite-generated url helpers
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globalThis.__publicAssetsURL = publicAssetsURL;
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if (NUXT_ASYNC_CONTEXT && !("AsyncLocalStorage" in globalThis)) {
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globalThis.AsyncLocalStorage = AsyncLocalStorage;
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}
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const HAS_APP_TELEPORTS = !!(appTeleportTag && appTeleportAttrs.id);
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const APP_TELEPORT_OPEN_TAG = HAS_APP_TELEPORTS ? `<${appTeleportTag}${propsToString(appTeleportAttrs)}>` : "";
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const APP_TELEPORT_CLOSE_TAG = HAS_APP_TELEPORTS ? `</${appTeleportTag}>` : "";
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const PAYLOAD_URL_RE = NUXT_JSON_PAYLOADS ? /^[^?]*\/_payload.json(?:\?.*)?$/ : /^[^?]*\/_payload.js(?:\?.*)?$/;
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const PAYLOAD_FILENAME = NUXT_JSON_PAYLOADS ? "_payload.json" : "_payload.js";
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const PAYLOAD_BUILD_ID_PARAM = "_b";
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let entryPath;
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const handler = defineRenderHandler((event) => {
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const ssrError = event.path.startsWith("/__nuxt_error") ? getQuery(event) : null;
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if (ssrError && !("__unenv__" in event.node.req)) {
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throw createError({
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status: 404,
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statusText: "Page Not Found: /__nuxt_error",
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message: "Page Not Found: /__nuxt_error"
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});
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}
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if (import.meta.prerender && prerenderRenderingURLs) {
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const url = new URL(event.path, "http://localhost");
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const renderingURL = url.pathname + url.search;
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const stack = prerenderRenderingURLs.getStore();
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if (stack?.includes(renderingURL)) {
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const chain = [...stack, renderingURL].filter((u) => !u.startsWith("/__nuxt_error")).map((u) => `"${u}"`).join(" -> ");
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throw createError({
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status: 508,
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statusText: `Loop detected while prerendering "${renderingURL}" (${chain}). Check for \`useFetch\`/\`$fetch\` calls targeting a URL that is currently being rendered.`
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});
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}
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return prerenderRenderingURLs.run([...stack || [], renderingURL], () => renderRoute(event, ssrError));
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}
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return renderRoute(event, ssrError);
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});
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async function renderRoute(event, ssrError) {
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const nitroApp = useNitroApp();
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const ssrContext = createSSRContext(event);
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const headEntryOptions = { mode: "server" };
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ssrContext.head.push(appHead, headEntryOptions);
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if (ssrError) {
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const status = ssrError.status || ssrError.statusCode;
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if (status) {
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ssrError.status = ssrError.statusCode = Number.parseInt(status);
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}
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if (PARSE_ERROR_DATA && typeof ssrError.data === "string") {
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try {
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ssrError.data = destr(ssrError.data);
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} catch {}
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}
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setSSRError(ssrContext, ssrError);
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}
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const routeOptions = getRouteRules(event);
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if (routeOptions.ssr === false) {
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ssrContext.noSSR = true;
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}
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const _PAYLOAD_EXTRACTION = !ssrContext.noSSR && (import.meta.prerender && NUXT_PAYLOAD_EXTRACTION || NUXT_RUNTIME_PAYLOAD_EXTRACTION && (routeOptions.isr || routeOptions.cache));
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const isRenderingPayload = (_PAYLOAD_EXTRACTION || import.meta.dev && routeOptions.prerender) && PAYLOAD_URL_RE.test(ssrContext.url);
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if (isRenderingPayload) {
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const payloadURL = new URL(ssrContext.url, "http://localhost");
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const url = payloadURL.pathname.slice(0, -`/${PAYLOAD_FILENAME}`.length) || "/";
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payloadURL.searchParams.delete(PAYLOAD_BUILD_ID_PARAM);
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ssrContext.url = url + payloadURL.search;
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event._path = event.node.req.url = ssrContext.url;
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if (import.meta.prerender && await payloadCache.hasItem(ssrContext.url + ".json")) {
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return payloadCache.getItem(ssrContext.url + ".json");
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}
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}
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const payloadURL = _PAYLOAD_EXTRACTION ? buildPayloadURL(ssrContext) : undefined;
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const renderer = await getRenderer(ssrContext);
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if (NUXT_EARLY_HINTS && !isRenderingPayload && !import.meta.prerender) {
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const { link } = renderResourceHeaders({}, renderer.rendererContext);
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if (link) {
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writeEarlyHints(event, link);
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}
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}
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if (NUXT_INLINE_STYLES) {
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for (const id of entryIds) {
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ssrContext.modules.add(id);
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}
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}
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const _rendered = await renderer.renderToString(ssrContext).catch(async (error) => {
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if ((ssrContext["~renderResponse"] || ssrContext._renderResponse) && error.message === "skipping render") {
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return {};
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}
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const _err = !ssrError && ssrContext.payload?.error || error;
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await ssrContext.nuxt?.hooks.callHook("app:error", _err);
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throw _err;
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});
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const inlinedStyles = NUXT_INLINE_STYLES && !ssrContext["~renderResponse"] && !ssrContext._renderResponse && !isRenderingPayload ? await renderInlineStyles(ssrContext.modules ?? []) : [];
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await ssrContext.nuxt?.hooks.callHook("app:rendered", {
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ssrContext,
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renderResult: _rendered
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});
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if (ssrContext["~renderResponse"] || ssrContext._renderResponse) {
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return ssrContext["~renderResponse"] || ssrContext._renderResponse;
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}
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if (ssrContext.payload?.error && !ssrError) {
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throw ssrContext.payload.error;
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}
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if (isRenderingPayload) {
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const response = renderPayloadResponse(ssrContext);
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if (import.meta.prerender) {
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await payloadCache.setItem(ssrContext.url + ".json", response);
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}
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return response;
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}
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if (_PAYLOAD_EXTRACTION && import.meta.prerender) {
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appendResponseHeader(event, "x-nitro-prerender", joinURL(ssrContext.url.replace(/\?.*$/, ""), PAYLOAD_FILENAME));
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await payloadCache.setItem((ssrContext.url === "/" ? "/" : ssrContext.url.replace(/\/$/, "")) + ".json", renderPayloadResponse(ssrContext));
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}
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const NO_SCRIPTS = NUXT_NO_SCRIPTS || routeOptions.noScripts;
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const { styles, scripts } = getRequestDependencies(ssrContext, renderer.rendererContext);
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if (entryFileName && !NO_SCRIPTS) {
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let path = entryPath;
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if (!path) {
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path = buildAssetsURL(entryFileName);
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if (ssrContext.runtimeConfig.app.cdnURL || /^(?:\/|\.+\/)/.test(path)) {
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entryPath = path;
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} else {
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path = relative(event.path.replace(/\/[^/]+$/, "/"), joinURL("/", path));
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if (!/^(?:\/|\.+\/)/.test(path)) {
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path = `./${path}`;
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}
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}
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}
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ssrContext.head.push({ script: [{
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tagPosition: "head",
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tagPriority: -2,
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type: "importmap",
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innerHTML: JSON.stringify({ imports: { "#entry": path } })
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}] }, headEntryOptions);
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}
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if (_PAYLOAD_EXTRACTION && !NO_SCRIPTS) {
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ssrContext.head.push({ link: [NUXT_JSON_PAYLOADS ? {
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rel: "preload",
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as: "fetch",
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crossorigin: "anonymous",
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href: payloadURL
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} : {
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rel: "modulepreload",
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crossorigin: "",
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href: payloadURL
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}] }, headEntryOptions);
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}
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if (isAppManifestEnabled && ssrContext["~preloadManifest"] && !NO_SCRIPTS) {
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ssrContext.head.push({ link: [{
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rel: "preload",
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as: "fetch",
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fetchpriority: "low",
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crossorigin: "anonymous",
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href: buildAssetsURL(`builds/meta/${ssrContext.runtimeConfig.app.buildId}.json`)
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}] }, {
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...headEntryOptions,
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tagPriority: "low"
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});
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}
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if (inlinedStyles.length) {
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ssrContext.head.push({ style: inlinedStyles });
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}
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const link = [];
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for (const resource of Object.values(styles)) {
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if (import.meta.dev && "inline" in getURLQuery(resource.file)) {
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continue;
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}
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link.push({
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rel: "stylesheet",
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href: renderer.rendererContext.buildAssetsURL(resource.file),
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crossorigin: ""
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});
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}
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if (link.length) {
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ssrContext.head.push({ link }, headEntryOptions);
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}
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if (!NO_SCRIPTS) {
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const dependencyOptions = ssrContext["~lazyHydratedModules"]?.size ? { exclude: ssrContext["~lazyHydratedModules"] } : undefined;
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const stylesheetHrefs = new Set(link.map((l) => l.href));
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ssrContext.head.push({ link: [...getPreloadLinks(ssrContext, renderer.rendererContext, dependencyOptions), ...getPrefetchLinks(ssrContext, renderer.rendererContext, dependencyOptions)].filter((l) => !stylesheetHrefs.has(l.href)) }, headEntryOptions);
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ssrContext.head.push({ script: _PAYLOAD_EXTRACTION ? NUXT_JSON_PAYLOADS ? renderPayloadJsonScript({
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ssrContext,
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data: splitPayload(ssrContext).initial,
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src: payloadURL
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}) : renderPayloadScript({
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ssrContext,
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data: splitPayload(ssrContext).initial,
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routeOptions,
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src: payloadURL
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}) : NUXT_JSON_PAYLOADS ? renderPayloadJsonScript({
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ssrContext,
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data: ssrContext.payload
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}) : renderPayloadScript({
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ssrContext,
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data: ssrContext.payload,
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routeOptions
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}) }, {
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...headEntryOptions,
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tagPosition: "bodyClose",
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tagPriority: "high"
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});
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}
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if (!routeOptions.noScripts) {
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const tagPosition = _PAYLOAD_EXTRACTION && !NUXT_JSON_PAYLOADS ? "bodyClose" : "head";
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ssrContext.head.push({ script: Object.values(scripts).map((resource) => ({
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type: resource.module ? "module" : null,
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src: renderer.rendererContext.buildAssetsURL(resource.file),
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defer: resource.module ? null : true,
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tagPosition,
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crossorigin: ""
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})) }, headEntryOptions);
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}
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const { headTags, bodyTags, bodyTagsOpen, htmlAttrs, bodyAttrs } = await renderSSRHead(ssrContext.head, renderSSRHeadOptions);
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const htmlContext = {
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htmlAttrs: htmlAttrs ? [htmlAttrs] : [],
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head: normalizeChunks([headTags]),
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bodyAttrs: bodyAttrs ? [bodyAttrs] : [],
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bodyPrepend: normalizeChunks([bodyTagsOpen, ssrContext.teleports?.body]),
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body: [componentIslands ? replaceIslandTeleports(ssrContext, _rendered.html) : _rendered.html, APP_TELEPORT_OPEN_TAG + (HAS_APP_TELEPORTS ? joinTags([ssrContext.teleports?.[`#${appTeleportAttrs.id}`]]) : "") + APP_TELEPORT_CLOSE_TAG],
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bodyAppend: [bodyTags]
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};
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await nitroApp.hooks.callHook("render:html", htmlContext, { event });
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return {
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body: renderHTMLDocument(htmlContext),
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statusCode: getResponseStatus(event),
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statusMessage: getResponseStatusText(event),
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headers: {
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"content-type": "text/html;charset=utf-8",
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"x-powered-by": "Nuxt"
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}
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};
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}
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export default handler;
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function buildPayloadURL(ssrContext) {
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const url = new URL(ssrContext.url, "http://localhost");
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const baseURL = ssrContext.runtimeConfig.app.cdnURL || ssrContext.runtimeConfig.app.baseURL;
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const payloadURL = joinURL(baseURL, url.pathname, PAYLOAD_FILENAME);
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url.searchParams.set(PAYLOAD_BUILD_ID_PARAM, ssrContext.runtimeConfig.app.buildId);
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return payloadURL + url.search;
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}
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function normalizeChunks(chunks) {
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const result = [];
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for (const _chunk of chunks) {
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const chunk = _chunk?.trim();
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if (chunk) {
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result.push(chunk);
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}
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}
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return result;
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}
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function joinTags(tags) {
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return tags.join("");
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}
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function joinAttrs(chunks) {
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if (chunks.length === 0) {
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return "";
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}
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return " " + chunks.join(" ");
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}
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function renderHTMLDocument(html) {
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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>";
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}
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