Files
old-kitabcitab-frontend/kitabcitab/node_modules/next/dist/esm/server/app-render.js
2022-12-27 12:05:56 +01:00

1212 lines
60 KiB
JavaScript

// Import builtin react directly to avoid require cache conflicts
import React, { use } from "next/dist/compiled/react";
import { NotFound as DefaultNotFound } from "../client/components/error";
// this needs to be required lazily so that `next-server` can set
// the env before we require
import ReactDOMServer from "next/dist/compiled/react-dom/server.browser";
import RenderResult from "./render-result";
import { readableStreamTee, encodeText, decodeText, renderToInitialStream, createBufferedTransformStream, continueFromInitialStream, streamToString } from "./node-web-streams-helper";
import { ESCAPE_REGEX, htmlEscapeJsonString } from "./htmlescape";
import { matchSegment } from "../client/components/match-segments";
import { ServerInsertedHTMLContext } from "../shared/lib/server-inserted-html";
import { stripInternalQueries } from "./internal-utils";
import { REDIRECT_ERROR_CODE } from "../client/components/redirect";
import { RequestCookies } from "./web/spec-extension/cookies";
import { DYNAMIC_ERROR_CODE } from "../client/components/hooks-server-context";
import { NOT_FOUND_ERROR_CODE } from "../client/components/not-found";
import { NEXT_DYNAMIC_NO_SSR_CODE } from "../shared/lib/no-ssr-error";
import { HeadManagerContext } from "../shared/lib/head-manager-context";
import { Writable } from "stream";
import stringHash from "next/dist/compiled/string-hash";
import { NEXT_ROUTER_PREFETCH, NEXT_ROUTER_STATE_TREE, RSC, FLIGHT_PARAMETERS } from "../client/components/app-router-headers";
import { DefaultHead } from "../client/components/head";
const isEdgeRuntime = process.env.NEXT_RUNTIME === "edge";
function preloadComponent(Component, props) {
const prev = console.error;
// Hide invalid hook call warning when calling component
console.error = function(msg) {
if (msg.startsWith("Warning: Invalid hook call.")) {
// ignore
} else {
// @ts-expect-error argument is defined
prev.apply(console, arguments);
}
};
try {
let result = Component(props);
if (result && typeof result.then === "function") {
// Catch promise rejections to prevent unhandledRejection errors
result.then(()=>{}, ()=>{});
}
return function() {
// We know what this component will render already.
return result;
};
} catch (x) {
// something suspended or errored, try again later
} finally{
console.error = prev;
}
return Component;
}
const CACHE_ONE_YEAR = 31536000;
const INTERNAL_HEADERS_INSTANCE = Symbol("internal for headers readonly");
function readonlyHeadersError() {
return new Error("ReadonlyHeaders cannot be modified");
}
export class ReadonlyHeaders {
constructor(headers){
// Since `new Headers` uses `this.append()` to fill the headers object ReadonlyHeaders can't extend from Headers directly as it would throw.
const headersInstance = new Headers(headers);
this[INTERNAL_HEADERS_INSTANCE] = headersInstance;
this.entries = headersInstance.entries.bind(headersInstance);
this.forEach = headersInstance.forEach.bind(headersInstance);
this.get = headersInstance.get.bind(headersInstance);
this.has = headersInstance.has.bind(headersInstance);
this.keys = headersInstance.keys.bind(headersInstance);
this.values = headersInstance.values.bind(headersInstance);
}
[Symbol.iterator]() {
return this[INTERNAL_HEADERS_INSTANCE][Symbol.iterator]();
}
append() {
throw readonlyHeadersError();
}
delete() {
throw readonlyHeadersError();
}
set() {
throw readonlyHeadersError();
}
}
const INTERNAL_COOKIES_INSTANCE = Symbol("internal for cookies readonly");
class ReadonlyRequestCookiesError extends Error {
message = "ReadonlyRequestCookies cannot be modified. Read more: https://nextjs.org/api-reference/cookies";
}
export class ReadonlyRequestCookies {
constructor(request){
// Since `new Headers` uses `this.append()` to fill the headers object ReadonlyHeaders can't extend from Headers directly as it would throw.
// Request overridden to not have to provide a fully request object.
const cookiesInstance = new RequestCookies(request.headers);
this[INTERNAL_COOKIES_INSTANCE] = cookiesInstance;
this.get = cookiesInstance.get.bind(cookiesInstance);
this.getAll = cookiesInstance.getAll.bind(cookiesInstance);
this.has = cookiesInstance.has.bind(cookiesInstance);
}
[Symbol.iterator]() {
return this[INTERNAL_COOKIES_INSTANCE][Symbol.iterator]();
}
clear() {
throw new ReadonlyRequestCookiesError();
}
delete() {
throw new ReadonlyRequestCookiesError();
}
set() {
throw new ReadonlyRequestCookiesError();
}
}
/**
* Flight Response is always set to application/octet-stream to ensure it does not get interpreted as HTML.
*/ class FlightRenderResult extends RenderResult {
constructor(response){
super(response, {
contentType: "application/octet-stream"
});
}
}
/**
* Interop between "export default" and "module.exports".
*/ function interopDefault(mod) {
return mod.default || mod;
}
// tolerate dynamic server errors during prerendering so console
// isn't spammed with unactionable errors
/**
* Create error handler for renderers.
*/ function createErrorHandler(/**
* Used for debugging
*/ _source, capturedErrors, allCapturedErrors) {
return (err)=>{
var ref;
if (allCapturedErrors) allCapturedErrors.push(err);
if (err && (err.digest === DYNAMIC_ERROR_CODE || err.digest === NOT_FOUND_ERROR_CODE || err.digest === NEXT_DYNAMIC_NO_SSR_CODE || ((ref = err.digest) == null ? void 0 : ref.startsWith(REDIRECT_ERROR_CODE)))) {
return err.digest;
}
// Used for debugging error source
// console.error(_source, err)
console.error(err);
capturedErrors.push(err);
// TODO-APP: look at using webcrypto instead. Requires a promise to be awaited.
return stringHash(err.message + err.stack + (err.digest || "")).toString();
};
}
let isFetchPatched = false;
// we patch fetch to collect cache information used for
// determining if a page is static or not
function patchFetch(ComponentMod) {
if (isFetchPatched) return;
isFetchPatched = true;
const { DynamicServerError } = ComponentMod.serverHooks;
const staticGenerationAsyncStorage = ComponentMod.staticGenerationAsyncStorage;
const originFetch = globalThis.fetch;
globalThis.fetch = async (input, init)=>{
var ref, ref1;
const staticGenerationStore = ("getStore" in staticGenerationAsyncStorage ? staticGenerationAsyncStorage.getStore() : staticGenerationAsyncStorage) || {};
const { isStaticGeneration , fetchRevalidate , pathname , incrementalCache , isRevalidate , } = staticGenerationStore || {};
let revalidate;
if (typeof (init == null ? void 0 : (ref = init.next) == null ? void 0 : ref.revalidate) === "number") {
revalidate = init.next.revalidate;
}
if ((init == null ? void 0 : (ref1 = init.next) == null ? void 0 : ref1.revalidate) === false) {
revalidate = CACHE_ONE_YEAR;
}
if (!staticGenerationStore.fetchRevalidate || typeof revalidate === "number" && revalidate < staticGenerationStore.fetchRevalidate) {
staticGenerationStore.fetchRevalidate = revalidate;
}
let cacheKey;
const doOriginalFetch = async ()=>{
return originFetch(input, init).then(async (res)=>{
if (incrementalCache && cacheKey && typeof revalidate === "number" && revalidate > 0) {
const clonedRes = res.clone();
let base64Body = "";
if (process.env.NEXT_RUNTIME === "edge") {
let string = "";
new Uint8Array(await clonedRes.arrayBuffer()).forEach((byte)=>{
string += String.fromCharCode(byte);
});
base64Body = btoa(string);
} else {
base64Body = Buffer.from(await clonedRes.arrayBuffer()).toString("base64");
}
await incrementalCache.set(cacheKey, {
kind: "FETCH",
isStale: false,
age: 0,
data: {
headers: Object.fromEntries(clonedRes.headers.entries()),
body: base64Body
},
revalidate
}, revalidate, true);
}
return res;
});
};
if (incrementalCache && typeof revalidate === "number" && revalidate > 0) {
cacheKey = await (incrementalCache == null ? void 0 : incrementalCache.fetchCacheKey(input.toString(), init));
const entry = await incrementalCache.get(cacheKey, true);
if ((entry == null ? void 0 : entry.value) && entry.value.kind === "FETCH") {
// when stale and is revalidating we wait for fresh data
// so the revalidated entry has the updated data
if (!isRevalidate || !entry.isStale) {
if (entry.isStale) {
if (!staticGenerationStore.pendingRevalidates) {
staticGenerationStore.pendingRevalidates = [];
}
staticGenerationStore.pendingRevalidates.push(doOriginalFetch().catch(console.error));
}
const resData = entry.value.data;
let decodedBody = "";
// TODO: handle non-text response bodies
if (process.env.NEXT_RUNTIME === "edge") {
decodedBody = atob(resData.body);
} else {
decodedBody = Buffer.from(resData.body, "base64").toString();
}
return new Response(decodedBody, {
headers: resData.headers,
status: resData.status
});
}
}
}
if (staticGenerationStore && isStaticGeneration) {
if (init && typeof init === "object") {
const cache = init.cache;
// Delete `cache` property as Cloudflare Workers will throw an error
if (isEdgeRuntime) {
delete init.cache;
}
if (cache === "no-store") {
staticGenerationStore.fetchRevalidate = 0;
// TODO: ensure this error isn't logged to the user
// seems it's slipping through currently
throw new DynamicServerError(`no-store fetch ${input}${pathname ? ` ${pathname}` : ""}`);
}
const hasNextConfig = "next" in init;
const next = init.next || {};
if (typeof next.revalidate === "number" && (typeof fetchRevalidate === "undefined" || next.revalidate < fetchRevalidate)) {
const forceDynamic = staticGenerationStore.forceDynamic;
if (!forceDynamic || next.revalidate !== 0) {
staticGenerationStore.fetchRevalidate = next.revalidate;
}
if (!forceDynamic && next.revalidate === 0) {
throw new DynamicServerError(`revalidate: ${next.revalidate} fetch ${input}${pathname ? ` ${pathname}` : ""}`);
}
}
if (hasNextConfig) delete init.next;
}
}
return doOriginalFetch();
};
}
/**
* Render Flight stream.
* This is only used for renderToHTML, the Flight response does not need additional wrappers.
*/ function useFlightResponse(writable, req, serverComponentManifest, rscChunks, flightResponseRef, nonce) {
if (flightResponseRef.current !== null) {
return flightResponseRef.current;
}
const { createFromReadableStream , } = require("next/dist/compiled/react-server-dom-webpack/client");
const [renderStream, forwardStream] = readableStreamTee(req);
const res = createFromReadableStream(renderStream, {
moduleMap: isEdgeRuntime ? serverComponentManifest.__edge_ssr_module_mapping__ : serverComponentManifest.__ssr_module_mapping__
});
flightResponseRef.current = res;
let bootstrapped = false;
// We only attach CSS chunks to the inlined data.
const forwardReader = forwardStream.getReader();
const writer = writable.getWriter();
const startScriptTag = nonce ? `<script nonce=${JSON.stringify(nonce)}>` : "<script>";
function read() {
forwardReader.read().then(({ done , value })=>{
if (value) {
rscChunks.push(value);
}
if (!bootstrapped) {
bootstrapped = true;
writer.write(encodeText(`${startScriptTag}(self.__next_f=self.__next_f||[]).push(${htmlEscapeJsonString(JSON.stringify([
0
]))})</script>`));
}
if (done) {
flightResponseRef.current = null;
writer.close();
} else {
const responsePartial = decodeText(value);
const scripts = `${startScriptTag}self.__next_f.push(${htmlEscapeJsonString(JSON.stringify([
1,
responsePartial
]))})</script>`;
writer.write(encodeText(scripts));
read();
}
});
}
read();
return res;
}
/**
* Create a component that renders the Flight stream.
* This is only used for renderToHTML, the Flight response does not need additional wrappers.
*/ function createServerComponentRenderer(ComponentToRender, ComponentMod, { transformStream , serverComponentManifest , serverContexts , rscChunks }, serverComponentsErrorHandler, nonce) {
// We need to expose the `__webpack_require__` API globally for
// react-server-dom-webpack. This is a hack until we find a better way.
if (ComponentMod.__next_app_webpack_require__) {
// @ts-ignore
globalThis.__next_require__ = ComponentMod.__next_app_webpack_require__;
// @ts-ignore
globalThis.__next_chunk_load__ = ()=>Promise.resolve();
}
let RSCStream;
const createRSCStream = ()=>{
if (!RSCStream) {
RSCStream = ComponentMod.renderToReadableStream(/*#__PURE__*/ React.createElement(ComponentToRender, null), serverComponentManifest, {
context: serverContexts,
onError: serverComponentsErrorHandler
});
}
return RSCStream;
};
const flightResponseRef = {
current: null
};
const writable = transformStream.writable;
return function ServerComponentWrapper() {
const reqStream = createRSCStream();
const response = useFlightResponse(writable, reqStream, serverComponentManifest, rscChunks, flightResponseRef, nonce);
return use(response);
};
}
/**
* Shorten the dynamic param in order to make it smaller when transmitted to the browser.
*/ function getShortDynamicParamType(type) {
switch(type){
case "catchall":
return "c";
case "optional-catchall":
return "oc";
case "dynamic":
return "d";
default:
throw new Error("Unknown dynamic param type");
}
}
/**
* Parse dynamic route segment to type of parameter
*/ function getSegmentParam(segment) {
if (segment.startsWith("[[...") && segment.endsWith("]]")) {
return {
type: "optional-catchall",
param: segment.slice(5, -2)
};
}
if (segment.startsWith("[...") && segment.endsWith("]")) {
return {
type: "catchall",
param: segment.slice(4, -1)
};
}
if (segment.startsWith("[") && segment.endsWith("]")) {
return {
type: "dynamic",
param: segment.slice(1, -1)
};
}
return null;
}
/**
* Get inline <link> tags based on server CSS manifest. Only used when rendering to HTML.
*/ function getCssInlinedLinkTags(serverComponentManifest, serverCSSManifest, filePath, serverCSSForEntries) {
var ref;
const layoutOrPageCssModules = serverCSSManifest[filePath];
const filePathWithoutExt = filePath.replace(/\.[^.]+$/, "");
const cssFilesForEntry = new Set(((ref = serverComponentManifest.__entry_css_files__) == null ? void 0 : ref[filePathWithoutExt]) || []);
if (!layoutOrPageCssModules || !cssFilesForEntry.size) {
return [];
}
const chunks = new Set();
for (const mod of layoutOrPageCssModules){
// We only include the CSS if it's a global CSS, or it is used by this
// entrypoint.
if (serverCSSForEntries.includes(mod) || !/\.module\.css/.test(mod)) {
const modData = serverComponentManifest[mod];
if (modData) {
for (const chunk of modData.default.chunks){
if (cssFilesForEntry.has(chunk)) {
chunks.add(chunk);
}
}
}
}
}
return [
...chunks
];
}
function getServerCSSForEntries(serverCSSManifest, entries) {
const css = [];
for (const entry of entries){
const entryName = entry.replace(/\.[^.]+$/, "");
if (serverCSSManifest.__entry_css_mods__ && serverCSSManifest.__entry_css_mods__[entryName]) {
css.push(...serverCSSManifest.__entry_css_mods__[entryName]);
}
}
return css;
}
/**
* Get inline <link rel="preload" as="font"> tags based on server CSS manifest and font loader manifest. Only used when rendering to HTML.
*/ function getPreloadedFontFilesInlineLinkTags(serverComponentManifest, serverCSSManifest, fontLoaderManifest, serverCSSForEntries, filePath) {
var ref;
if (!fontLoaderManifest || !filePath) {
return [];
}
const layoutOrPageCss = serverCSSManifest[filePath] || ((ref = serverComponentManifest.__client_css_manifest__) == null ? void 0 : ref[filePath]);
if (!layoutOrPageCss) {
return [];
}
const fontFiles = new Set();
for (const css of layoutOrPageCss){
// We only include the CSS if it is used by this entrypoint.
if (serverCSSForEntries.includes(css)) {
const preloadedFontFiles = fontLoaderManifest.app[css];
if (preloadedFontFiles) {
for (const fontFile of preloadedFontFiles){
fontFiles.add(fontFile);
}
}
}
}
return [
...fontFiles
];
}
function getScriptNonceFromHeader(cspHeaderValue) {
var ref;
const directives = cspHeaderValue// Directives are split by ';'.
.split(";").map((directive)=>directive.trim());
// First try to find the directive for the 'script-src', otherwise try to
// fallback to the 'default-src'.
const directive1 = directives.find((dir)=>dir.startsWith("script-src")) || directives.find((dir)=>dir.startsWith("default-src"));
// If no directive could be found, then we're done.
if (!directive1) {
return;
}
// Extract the nonce from the directive
const nonce = (ref = directive1.split(" ")// Remove the 'strict-src'/'default-src' string, this can't be the nonce.
.slice(1).map((source)=>source.trim())// Find the first source with the 'nonce-' prefix.
.find((source)=>source.startsWith("'nonce-") && source.length > 8 && source.endsWith("'"))) == null ? void 0 : ref.slice(7, -1);
// If we could't find the nonce, then we're done.
if (!nonce) {
return;
}
// Don't accept the nonce value if it contains HTML escape characters.
// Technically, the spec requires a base64'd value, but this is just an
// extra layer.
if (ESCAPE_REGEX.test(nonce)) {
throw new Error("Nonce value from Content-Security-Policy contained HTML escape characters.\nLearn more: https://nextjs.org/docs/messages/nonce-contained-invalid-characters");
}
return nonce;
}
function headersWithoutFlight(headers) {
const newHeaders = {
...headers
};
for (const param of FLIGHT_PARAMETERS){
delete newHeaders[param.toString().toLowerCase()];
}
return newHeaders;
}
async function renderToString(element) {
const renderStream = await ReactDOMServer.renderToReadableStream(element);
await renderStream.allReady;
return streamToString(renderStream);
}
export async function renderToHTMLOrFlight(req, res, pathname, query, renderOpts) {
/**
* Rules of Static & Dynamic HTML:
*
* 1.) We must generate static HTML unless the caller explicitly opts
* in to dynamic HTML support.
*
* 2.) If dynamic HTML support is requested, we must honor that request
* or throw an error. It is the sole responsibility of the caller to
* ensure they aren't e.g. requesting dynamic HTML for an AMP page.
*
* These rules help ensure that other existing features like request caching,
* coalescing, and ISR continue working as intended.
*/ const isStaticGeneration = renderOpts.supportsDynamicHTML !== true && !renderOpts.isBot;
const isFlight = req.headers[RSC.toLowerCase()] !== undefined;
const capturedErrors = [];
const allCapturedErrors = [];
const serverComponentsErrorHandler = createErrorHandler("serverComponentsRenderer", capturedErrors);
const flightDataRendererErrorHandler = createErrorHandler("flightDataRenderer", capturedErrors);
const htmlRendererErrorHandler = createErrorHandler("htmlRenderer", capturedErrors, allCapturedErrors);
const { buildManifest , subresourceIntegrityManifest , serverComponentManifest , serverCSSManifest ={} , ComponentMod , dev , fontLoaderManifest , supportsDynamicHTML , } = renderOpts;
patchFetch(ComponentMod);
const generateStaticHTML = supportsDynamicHTML !== true;
const staticGenerationAsyncStorage = ComponentMod.staticGenerationAsyncStorage;
const requestAsyncStorage = ComponentMod.requestAsyncStorage;
if (staticGenerationAsyncStorage && !("getStore" in staticGenerationAsyncStorage) && staticGenerationAsyncStorage.inUse) {
throw new Error(`Invariant: A separate worker must be used for each render when AsyncLocalStorage is not available`);
}
// we wrap the render in an AsyncLocalStorage context
const wrappedRender = async ()=>{
const staticGenerationStore = "getStore" in staticGenerationAsyncStorage ? staticGenerationAsyncStorage.getStore() : staticGenerationAsyncStorage;
// don't modify original query object
query = Object.assign({}, query);
const isPrefetch = req.headers[NEXT_ROUTER_PREFETCH.toLowerCase()] !== undefined;
// TODO-APP: verify the tree is valid
// TODO-APP: verify query param is single value (not an array)
// TODO-APP: verify tree can't grow out of control
/**
* Router state provided from the client-side router. Used to handle rendering from the common layout down.
*/ let providedFlightRouterState = isFlight ? req.headers[NEXT_ROUTER_STATE_TREE.toLowerCase()] ? JSON.parse(req.headers[NEXT_ROUTER_STATE_TREE.toLowerCase()]) : undefined : undefined;
/**
* The tree created in next-app-loader that holds component segments and modules
*/ const loaderTree = ComponentMod.tree;
stripInternalQueries(query);
const LayoutRouter = ComponentMod.LayoutRouter;
const RenderFromTemplateContext = ComponentMod.RenderFromTemplateContext;
/**
* Server Context is specifically only available in Server Components.
* It has to hold values that can't change while rendering from the common layout down.
* An example of this would be that `headers` are available but `searchParams` are not because that'd mean we have to render from the root layout down on all requests.
*/ const serverContexts = [
[
"WORKAROUND",
null
]
];
/**
* Dynamic parameters. E.g. when you visit `/dashboard/vercel` which is rendered by `/dashboard/[slug]` the value will be {"slug": "vercel"}.
*/ const pathParams = renderOpts.params;
/**
* Parse the dynamic segment and return the associated value.
*/ const getDynamicParamFromSegment = (// [slug] / [[slug]] / [...slug]
segment)=>{
const segmentParam = getSegmentParam(segment);
if (!segmentParam) {
return null;
}
const key = segmentParam.param;
let value = pathParams[key];
if (Array.isArray(value)) {
value = value.map((i)=>encodeURIComponent(i));
} else if (typeof value === "string") {
value = encodeURIComponent(value);
}
if (!value) {
// Handle case where optional catchall does not have a value, e.g. `/dashboard/[...slug]` when requesting `/dashboard`
if (segmentParam.type === "optional-catchall") {
const type = getShortDynamicParamType(segmentParam.type);
return {
param: key,
value: null,
type: type,
// This value always has to be a string.
treeSegment: [
key,
"",
type
]
};
}
return null;
}
const type = getShortDynamicParamType(segmentParam.type);
return {
param: key,
// The value that is passed to user code.
value: value,
// The value that is rendered in the router tree.
treeSegment: [
key,
Array.isArray(value) ? value.join("/") : value,
type,
],
type: type
};
};
async function resolveHead([segment, parallelRoutes, { head }], parentParams, isRootHead) {
// Handle dynamic segment params.
const segmentParam = getDynamicParamFromSegment(segment);
/**
* Create object holding the parent params and current params
*/ const currentParams = // Handle null case where dynamic param is optional
segmentParam && segmentParam.value !== null ? {
...parentParams,
[segmentParam.param]: segmentParam.value
} : parentParams;
for(const key in parallelRoutes){
const childTree = parallelRoutes[key];
const returnedHead = await resolveHead(childTree, currentParams, false);
if (returnedHead) {
return returnedHead;
}
}
if (head) {
const Head = await interopDefault(await head[0]());
return /*#__PURE__*/ React.createElement(Head, {
params: currentParams
});
} else if (isRootHead) {
return /*#__PURE__*/ React.createElement(DefaultHead, null);
}
return null;
}
const createFlightRouterStateFromLoaderTree = ([segment, parallelRoutes, { layout }], rootLayoutIncluded = false)=>{
const dynamicParam = getDynamicParamFromSegment(segment);
const segmentTree = [
dynamicParam ? dynamicParam.treeSegment : segment,
{},
];
if (!rootLayoutIncluded && typeof layout !== "undefined") {
rootLayoutIncluded = true;
segmentTree[4] = true;
}
segmentTree[1] = Object.keys(parallelRoutes).reduce((existingValue, currentValue)=>{
existingValue[currentValue] = createFlightRouterStateFromLoaderTree(parallelRoutes[currentValue], rootLayoutIncluded);
return existingValue;
}, {});
return segmentTree;
};
let defaultRevalidate = false;
// Collect all server CSS imports used by this specific entry (or entries, for parallel routes).
// Not that we can't rely on the CSS manifest because it tracks CSS imports per module,
// which can be used by multiple entries and cannot be tree-shaked in the module graph.
// More info: https://github.com/vercel/next.js/issues/41018
const serverCSSForEntries = getServerCSSForEntries(serverCSSManifest, ComponentMod.pages);
const assetPrefix = renderOpts.assetPrefix || "";
const createComponentAndStyles = async ({ filePath , getComponent , shouldPreload })=>{
const cssHrefs = getCssInlinedLinkTags(serverComponentManifest, serverCSSManifest, filePath, serverCSSForEntries);
const styles = cssHrefs ? cssHrefs.map((href, index)=>/*#__PURE__*/ React.createElement("link", {
rel: "stylesheet",
// In dev, Safari will wrongly cache the resource if you preload it:
// - https://github.com/vercel/next.js/issues/5860
// - https://bugs.webkit.org/show_bug.cgi?id=187726
// We used to add a `?ts=` query for resources in `pages` to bypass it,
// but in this case it is fine as we don't need to preload the styles.
href: `${assetPrefix}/_next/${href}`,
// @ts-ignore
precedence: shouldPreload ? "high" : undefined,
key: index
})) : null;
const Comp = await interopDefault(await getComponent());
return [
Comp,
styles
];
};
/**
* Use the provided loader tree to create the React Component tree.
*/ const createComponentTree = async ({ createSegmentPath , loaderTree: [segment, parallelRoutes, { layout , template , error , loading , page , "not-found": notFound }, ] , parentParams , firstItem , rootLayoutIncluded })=>{
const layoutOrPagePath = (layout == null ? void 0 : layout[1]) || (page == null ? void 0 : page[1]);
const stylesheets = layoutOrPagePath ? getCssInlinedLinkTags(serverComponentManifest, serverCSSManifest, layoutOrPagePath, serverCSSForEntries) : [];
const preloadedFontFiles = layoutOrPagePath ? getPreloadedFontFilesInlineLinkTags(serverComponentManifest, serverCSSManifest, fontLoaderManifest, serverCSSForEntries, layoutOrPagePath) : [];
const [Template, templateStyles] = template ? await createComponentAndStyles({
filePath: template[1],
getComponent: template[0],
shouldPreload: true
}) : [
React.Fragment
];
const [ErrorComponent, errorStyles] = error ? await createComponentAndStyles({
filePath: error[1],
getComponent: error[0]
}) : [];
const [Loading, loadingStyles] = loading ? await createComponentAndStyles({
filePath: loading[1],
getComponent: loading[0]
}) : [];
const isLayout = typeof layout !== "undefined";
const isPage = typeof page !== "undefined";
const layoutOrPageMod = isLayout ? await layout[0]() : isPage ? await page[0]() : undefined;
/**
* Checks if the current segment is a root layout.
*/ const rootLayoutAtThisLevel = isLayout && !rootLayoutIncluded;
/**
* Checks if the current segment or any level above it has a root layout.
*/ const rootLayoutIncludedAtThisLevelOrAbove = rootLayoutIncluded || rootLayoutAtThisLevel;
const [NotFound, notFoundStyles] = notFound ? await createComponentAndStyles({
filePath: notFound[1],
getComponent: notFound[0]
}) : rootLayoutAtThisLevel ? [
DefaultNotFound
] : [];
if (typeof (layoutOrPageMod == null ? void 0 : layoutOrPageMod.dynamic) === "string") {
// the nested most config wins so we only force-static
// if it's configured above any parent that configured
// otherwise
if (layoutOrPageMod.dynamic === "force-static") {
staticGenerationStore.forceStatic = true;
} else if (layoutOrPageMod.dynamic !== "error") {
staticGenerationStore.forceStatic = false;
}
}
if (typeof (layoutOrPageMod == null ? void 0 : layoutOrPageMod.revalidate) === "number") {
defaultRevalidate = layoutOrPageMod.revalidate;
if (isStaticGeneration && defaultRevalidate === 0) {
const { DynamicServerError } = ComponentMod.serverHooks;
throw new DynamicServerError(`revalidate: 0 configured ${segment}`);
}
}
/**
* The React Component to render.
*/ let Component = layoutOrPageMod ? interopDefault(layoutOrPageMod) : undefined;
if (dev) {
const { isValidElementType } = require("next/dist/compiled/react-is");
if ((isPage || typeof Component !== "undefined") && !isValidElementType(Component)) {
throw new Error(`The default export is not a React Component in page: "${pathname}"`);
}
if (typeof ErrorComponent !== "undefined" && !isValidElementType(ErrorComponent)) {
throw new Error(`The default export of error is not a React Component in page: ${segment}`);
}
if (typeof Loading !== "undefined" && !isValidElementType(Loading)) {
throw new Error(`The default export of loading is not a React Component in ${segment}`);
}
if (typeof NotFound !== "undefined" && !isValidElementType(NotFound)) {
throw new Error(`The default export of notFound is not a React Component in ${segment}`);
}
}
// Handle dynamic segment params.
const segmentParam = getDynamicParamFromSegment(segment);
/**
* Create object holding the parent params and current params
*/ const currentParams = // Handle null case where dynamic param is optional
segmentParam && segmentParam.value !== null ? {
...parentParams,
[segmentParam.param]: segmentParam.value
} : parentParams;
// Resolve the segment param
const actualSegment = segmentParam ? segmentParam.treeSegment : segment;
// This happens outside of rendering in order to eagerly kick off data fetching for layouts / the page further down
const parallelRouteMap = await Promise.all(Object.keys(parallelRoutes).map(async (parallelRouteKey)=>{
const currentSegmentPath = firstItem ? [
parallelRouteKey
] : [
actualSegment,
parallelRouteKey
];
const childSegment = parallelRoutes[parallelRouteKey][0];
const childSegmentParam = getDynamicParamFromSegment(childSegment);
if (isPrefetch && Loading) {
const childProp = {
// Null indicates the tree is not fully rendered
current: null,
segment: childSegmentParam ? childSegmentParam.treeSegment : childSegment
};
// This is turned back into an object below.
return [
parallelRouteKey,
/*#__PURE__*/ React.createElement(LayoutRouter, {
parallelRouterKey: parallelRouteKey,
segmentPath: createSegmentPath(currentSegmentPath),
loading: Loading ? /*#__PURE__*/ React.createElement(Loading, null) : undefined,
loadingStyles: loadingStyles,
hasLoading: Boolean(Loading),
error: ErrorComponent,
errorStyles: errorStyles,
template: /*#__PURE__*/ React.createElement(Template, null, /*#__PURE__*/ React.createElement(RenderFromTemplateContext, null)),
templateStyles: templateStyles,
notFound: NotFound ? /*#__PURE__*/ React.createElement(NotFound, null) : undefined,
notFoundStyles: notFoundStyles,
childProp: childProp,
rootLayoutIncluded: rootLayoutIncludedAtThisLevelOrAbove
}),
];
}
// Create the child component
const { Component: ChildComponent } = await createComponentTree({
createSegmentPath: (child)=>{
return createSegmentPath([
...currentSegmentPath,
...child
]);
},
loaderTree: parallelRoutes[parallelRouteKey],
parentParams: currentParams,
rootLayoutIncluded: rootLayoutIncludedAtThisLevelOrAbove
});
const childProp = {
current: /*#__PURE__*/ React.createElement(ChildComponent, null),
segment: childSegmentParam ? childSegmentParam.treeSegment : childSegment
};
const segmentPath = createSegmentPath(currentSegmentPath);
// This is turned back into an object below.
return [
parallelRouteKey,
/*#__PURE__*/ React.createElement(LayoutRouter, {
parallelRouterKey: parallelRouteKey,
segmentPath: segmentPath,
error: ErrorComponent,
errorStyles: errorStyles,
loading: Loading ? /*#__PURE__*/ React.createElement(Loading, null) : undefined,
loadingStyles: loadingStyles,
// TODO-APP: Add test for loading returning `undefined`. This currently can't be tested as the `webdriver()` tab will wait for the full page to load before returning.
hasLoading: Boolean(Loading),
template: /*#__PURE__*/ React.createElement(Template, null, /*#__PURE__*/ React.createElement(RenderFromTemplateContext, null)),
templateStyles: templateStyles,
notFound: NotFound ? /*#__PURE__*/ React.createElement(NotFound, null) : undefined,
notFoundStyles: notFoundStyles,
childProp: childProp,
rootLayoutIncluded: rootLayoutIncludedAtThisLevelOrAbove
}),
];
}));
// Convert the parallel route map into an object after all promises have been resolved.
const parallelRouteComponents = parallelRouteMap.reduce((list, [parallelRouteKey, Comp])=>{
list[parallelRouteKey] = Comp;
return list;
}, {});
// When the segment does not have a layout or page we still have to add the layout router to ensure the path holds the loading component
if (!Component) {
return {
Component: ()=>/*#__PURE__*/ React.createElement(React.Fragment, null, parallelRouteComponents.children)
};
}
const props = {
...parallelRouteComponents,
// TODO-APP: params and query have to be blocked parallel route names. Might have to add a reserved name list.
// Params are always the current params that apply to the layout
// If you have a `/dashboard/[team]/layout.js` it will provide `team` as a param but not anything further down.
params: currentParams,
// Query is only provided to page
...isPage ? {
searchParams: query
} : {}
};
// Eagerly execute layout/page component to trigger fetches early.
Component = await Promise.resolve().then(()=>{
return preloadComponent(Component, props);
});
return {
Component: ()=>{
return /*#__PURE__*/ React.createElement(React.Fragment, null, preloadedFontFiles.map((fontFile)=>{
const ext = /\.(woff|woff2|eot|ttf|otf)$/.exec(fontFile)[1];
return /*#__PURE__*/ React.createElement("link", {
key: fontFile,
rel: "preload",
href: `${assetPrefix}/_next/${fontFile}`,
as: "font",
type: `font/${ext}`,
crossOrigin: "anonymous"
});
}), stylesheets ? stylesheets.map((href, index)=>/*#__PURE__*/ React.createElement("link", {
rel: "stylesheet",
// In dev, Safari will wrongly cache the resource if you preload it:
// - https://github.com/vercel/next.js/issues/5860
// - https://bugs.webkit.org/show_bug.cgi?id=187726
// We used to add a `?ts=` query for resources in `pages` to bypass it,
// but in this case it is fine as we don't need to preload the styles.
href: `${assetPrefix}/_next/${href}`,
// `Precedence` is an opt-in signal for React to handle
// resource loading and deduplication, etc:
// https://github.com/facebook/react/pull/25060
// @ts-ignore
precedence: "high",
key: index
})) : null, /*#__PURE__*/ React.createElement(Component, Object.assign({}, props)));
}
};
};
const streamToBufferedResult = async (renderResult)=>{
const renderChunks = [];
const writable = new Writable({
write (chunk, _encoding, callback) {
renderChunks.push(chunk);
callback();
}
});
await renderResult.pipe(writable);
return Buffer.concat(renderChunks).toString();
};
// Handle Flight render request. This is only used when client-side navigating. E.g. when you `router.push('/dashboard')` or `router.reload()`.
const generateFlight = async ()=>{
// TODO-APP: throw on invalid flightRouterState
/**
* Use router state to decide at what common layout to render the page.
* This can either be the common layout between two pages or a specific place to start rendering from using the "refetch" marker in the tree.
*/ const walkTreeWithFlightRouterState = async ({ createSegmentPath , loaderTreeToFilter , parentParams , isFirst , flightRouterState , parentRendered , rscPayloadHead })=>{
const [segment, parallelRoutes] = loaderTreeToFilter;
const parallelRoutesKeys = Object.keys(parallelRoutes);
// Because this function walks to a deeper point in the tree to start rendering we have to track the dynamic parameters up to the point where rendering starts
const segmentParam = getDynamicParamFromSegment(segment);
const currentParams = // Handle null case where dynamic param is optional
segmentParam && segmentParam.value !== null ? {
...parentParams,
[segmentParam.param]: segmentParam.value
} : parentParams;
const actualSegment = segmentParam ? segmentParam.treeSegment : segment;
/**
* Decide if the current segment is where rendering has to start.
*/ const renderComponentsOnThisLevel = // No further router state available
!flightRouterState || // Segment in router state does not match current segment
!matchSegment(actualSegment, flightRouterState[0]) || // Last item in the tree
parallelRoutesKeys.length === 0 || // Explicit refresh
flightRouterState[3] === "refetch";
if (!parentRendered && renderComponentsOnThisLevel) {
return [
actualSegment,
// Create router state using the slice of the loaderTree
createFlightRouterStateFromLoaderTree(loaderTreeToFilter),
// Check if one level down from the common layout has a loading component. If it doesn't only provide the router state as part of the Flight data.
isPrefetch && !Boolean(loaderTreeToFilter[2].loading) ? null : // @ts-expect-error TODO-APP: fix async component type
React.createElement(async ()=>{
const { Component } = await createComponentTree(// This ensures flightRouterPath is valid and filters down the tree
{
createSegmentPath: (child)=>{
return createSegmentPath(child);
},
loaderTree: loaderTreeToFilter,
parentParams: currentParams,
firstItem: isFirst
});
return /*#__PURE__*/ React.createElement(Component, null);
}),
isPrefetch && !Boolean(loaderTreeToFilter[2].loading) ? null : /*#__PURE__*/ React.createElement(React.Fragment, null, rscPayloadHead),
];
}
// Walk through all parallel routes.
for (const parallelRouteKey of parallelRoutesKeys){
const parallelRoute = parallelRoutes[parallelRouteKey];
const currentSegmentPath = isFirst ? [
parallelRouteKey
] : [
actualSegment,
parallelRouteKey
];
const path = await walkTreeWithFlightRouterState({
createSegmentPath: (child)=>{
return createSegmentPath([
...currentSegmentPath,
...child
]);
},
loaderTreeToFilter: parallelRoute,
parentParams: currentParams,
flightRouterState: flightRouterState && flightRouterState[1][parallelRouteKey],
parentRendered: parentRendered || renderComponentsOnThisLevel,
isFirst: false,
rscPayloadHead
});
if (typeof path[path.length - 1] !== "string") {
return [
actualSegment,
parallelRouteKey,
...path
];
}
}
return [
actualSegment
];
};
const rscPayloadHead1 = await resolveHead(loaderTree, {}, true);
// Flight data that is going to be passed to the browser.
// Currently a single item array but in the future multiple patches might be combined in a single request.
const flightData = [
(await walkTreeWithFlightRouterState({
createSegmentPath: (child)=>child,
loaderTreeToFilter: loaderTree,
parentParams: {},
flightRouterState: providedFlightRouterState,
isFirst: true,
rscPayloadHead: rscPayloadHead1
})).slice(1),
];
// For app dir, use the bundled version of Fizz renderer (renderToReadableStream)
// which contains the subset React.
const readable = ComponentMod.renderToReadableStream(flightData, serverComponentManifest, {
context: serverContexts,
onError: flightDataRendererErrorHandler
}).pipeThrough(createBufferedTransformStream());
return new FlightRenderResult(readable);
};
if (isFlight && !isStaticGeneration) {
return generateFlight();
}
// Below this line is handling for rendering to HTML.
// AppRouter is provided by next-app-loader
const AppRouter = ComponentMod.AppRouter;
const GlobalError = interopDefault(/** GlobalError can be either the default error boundary or the overwritten app/global-error.js **/ ComponentMod.GlobalError);
let serverComponentsInlinedTransformStream = new TransformStream();
// TODO-APP: validate req.url as it gets passed to render.
const initialCanonicalUrl = req.url;
// Get the nonce from the incoming request if it has one.
const csp = req.headers["content-security-policy"];
let nonce;
if (csp && typeof csp === "string") {
nonce = getScriptNonceFromHeader(csp);
}
const serverComponentsRenderOpts = {
transformStream: serverComponentsInlinedTransformStream,
serverComponentManifest,
serverContexts,
rscChunks: []
};
const validateRootLayout = dev ? {
validateRootLayout: {
assetPrefix: renderOpts.assetPrefix,
getTree: ()=>createFlightRouterStateFromLoaderTree(loaderTree)
}
} : {};
const initialHead = await resolveHead(loaderTree, {}, true);
/**
* A new React Component that renders the provided React Component
* using Flight which can then be rendered to HTML.
*/ const ServerComponentsRenderer = createServerComponentRenderer(async ()=>{
// Create full component tree from root to leaf.
const { Component: ComponentTree } = await createComponentTree({
createSegmentPath: (child)=>child,
loaderTree: loaderTree,
parentParams: {},
firstItem: true
});
const initialTree = createFlightRouterStateFromLoaderTree(loaderTree);
return /*#__PURE__*/ React.createElement(AppRouter, {
assetPrefix: assetPrefix,
initialCanonicalUrl: initialCanonicalUrl,
initialTree: initialTree,
initialHead: initialHead,
globalErrorComponent: GlobalError
}, /*#__PURE__*/ React.createElement(ComponentTree, null));
}, ComponentMod, serverComponentsRenderOpts, serverComponentsErrorHandler, nonce);
const serverInsertedHTMLCallbacks = new Set();
function InsertedHTML({ children }) {
// Reset addInsertedHtmlCallback on each render
serverInsertedHTMLCallbacks.clear();
const addInsertedHtml = React.useCallback((handler)=>{
serverInsertedHTMLCallbacks.add(handler);
}, []);
return /*#__PURE__*/ React.createElement(HeadManagerContext.Provider, {
value: {
appDir: true,
nonce
}
}, /*#__PURE__*/ React.createElement(ServerInsertedHTMLContext.Provider, {
value: addInsertedHtml
}, children));
}
const bodyResult = async ()=>{
const polyfills = buildManifest.polyfillFiles.filter((polyfill)=>polyfill.endsWith(".js") && !polyfill.endsWith(".module.js")).map((polyfill)=>{
return {
src: `${assetPrefix}/_next/${polyfill}`,
integrity: subresourceIntegrityManifest == null ? void 0 : subresourceIntegrityManifest[polyfill]
};
});
const content = /*#__PURE__*/ React.createElement(InsertedHTML, null, /*#__PURE__*/ React.createElement(ServerComponentsRenderer, null));
let polyfillsFlushed = false;
const getServerInsertedHTML = ()=>{
const flushed = renderToString(/*#__PURE__*/ React.createElement(React.Fragment, null, Array.from(serverInsertedHTMLCallbacks).map((callback)=>callback()), polyfillsFlushed ? null : polyfills == null ? void 0 : polyfills.map((polyfill)=>{
return /*#__PURE__*/ React.createElement("script", {
key: polyfill.src,
src: polyfill.src,
integrity: polyfill.integrity,
noModule: true,
nonce: nonce
});
})));
polyfillsFlushed = true;
return flushed;
};
try {
const renderStream = await renderToInitialStream({
ReactDOMServer,
element: content,
streamOptions: {
onError: htmlRendererErrorHandler,
nonce,
// Include hydration scripts in the HTML
bootstrapScripts: [
...subresourceIntegrityManifest ? buildManifest.rootMainFiles.map((src)=>({
src: `${assetPrefix}/_next/` + src,
integrity: subresourceIntegrityManifest[src]
})) : buildManifest.rootMainFiles.map((src)=>`${assetPrefix}/_next/` + src),
]
}
});
const result = await continueFromInitialStream(renderStream, {
dataStream: serverComponentsInlinedTransformStream == null ? void 0 : serverComponentsInlinedTransformStream.readable,
generateStaticHTML: isStaticGeneration || generateStaticHTML,
getServerInsertedHTML,
serverInsertedHTMLToHead: true,
...validateRootLayout
});
return result;
} catch (err) {
const shouldNotIndex = err.digest === NOT_FOUND_ERROR_CODE;
if (err.digest === NOT_FOUND_ERROR_CODE) {
res.statusCode = 404;
}
const renderStream = await renderToInitialStream({
ReactDOMServer,
element: /*#__PURE__*/ React.createElement("html", {
id: "__next_error__"
}, /*#__PURE__*/ React.createElement("head", null, shouldNotIndex ? /*#__PURE__*/ React.createElement("meta", {
name: "robots",
content: "noindex"
}) : null), /*#__PURE__*/ React.createElement("body", null)),
streamOptions: {
nonce,
// Include hydration scripts in the HTML
bootstrapScripts: subresourceIntegrityManifest ? buildManifest.rootMainFiles.map((src)=>({
src: `${assetPrefix}/_next/` + src,
integrity: subresourceIntegrityManifest[src]
})) : buildManifest.rootMainFiles.map((src)=>`${assetPrefix}/_next/` + src)
}
});
return await continueFromInitialStream(renderStream, {
dataStream: serverComponentsInlinedTransformStream == null ? void 0 : serverComponentsInlinedTransformStream.readable,
generateStaticHTML: isStaticGeneration,
getServerInsertedHTML,
serverInsertedHTMLToHead: true,
...validateRootLayout
});
}
};
const renderResult1 = new RenderResult(await bodyResult());
if (staticGenerationStore.pendingRevalidates) {
await Promise.all(staticGenerationStore.pendingRevalidates);
}
if (isStaticGeneration) {
const htmlResult = await streamToBufferedResult(renderResult1);
// if we encountered any unexpected errors during build
// we fail the prerendering phase and the build
if (capturedErrors.length > 0) {
throw capturedErrors[0];
}
// const before = Buffer.concat(
// serverComponentsRenderOpts.rscChunks
// ).toString()
// TODO-APP: derive this from same pass to prevent additional
// render during static generation
const filteredFlightData = await streamToBufferedResult(await generateFlight());
if ((staticGenerationStore == null ? void 0 : staticGenerationStore.forceStatic) === false) {
staticGenerationStore.fetchRevalidate = 0;
}
renderOpts.pageData = filteredFlightData;
renderOpts.revalidate = typeof (staticGenerationStore == null ? void 0 : staticGenerationStore.fetchRevalidate) === "undefined" ? defaultRevalidate : staticGenerationStore == null ? void 0 : staticGenerationStore.fetchRevalidate;
return new RenderResult(htmlResult);
}
return renderResult1;
};
const initialStaticGenerationStore = {
isStaticGeneration,
inUse: true,
pathname,
incrementalCache: renderOpts.incrementalCache,
isRevalidate: renderOpts.isRevalidate
};
const tryGetPreviewData = process.env.NEXT_RUNTIME === "edge" ? ()=>false : require("./api-utils/node").tryGetPreviewData;
// Reads of this are cached on the `req` object, so this should resolve
// instantly. There's no need to pass this data down from a previous
// invoke, where we'd have to consider server & serverless.
const previewData = tryGetPreviewData(req, res, renderOpts.previewProps);
let cachedHeadersInstance;
let cachedCookiesInstance;
const requestStore = {
get headers () {
if (!cachedHeadersInstance) {
cachedHeadersInstance = new ReadonlyHeaders(headersWithoutFlight(req.headers));
}
return cachedHeadersInstance;
},
get cookies () {
if (!cachedCookiesInstance) {
cachedCookiesInstance = new ReadonlyRequestCookies({
headers: {
get: (key)=>{
if (key !== "cookie") {
throw new Error("Only cookie header is supported");
}
return req.headers.cookie;
}
}
});
}
return cachedCookiesInstance;
},
previewData
};
function handleRequestStoreRun(fn) {
if ("getStore" in requestAsyncStorage) {
return new Promise((resolve, reject)=>{
requestAsyncStorage.run(requestStore, ()=>{
return Promise.resolve(fn()).then(resolve).catch(reject);
});
});
} else {
Object.assign(requestAsyncStorage, requestStore);
return Promise.resolve(fn());
}
}
function handleStaticGenerationStoreRun(fn) {
if ("getStore" in staticGenerationAsyncStorage) {
return new Promise((resolve, reject)=>{
staticGenerationAsyncStorage.run(initialStaticGenerationStore, ()=>{
return Promise.resolve(fn()).then(resolve).catch(reject);
});
});
} else {
Object.assign(staticGenerationAsyncStorage, initialStaticGenerationStore);
return Promise.resolve(fn()).finally(()=>{
staticGenerationAsyncStorage.inUse = false;
});
}
}
return handleRequestStoreRun(()=>handleStaticGenerationStoreRun(()=>wrappedRender()));
}
//# sourceMappingURL=app-render.js.map