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env.NEXT_RUNTIME === 'edge') { module.exports = require('next/dist/server/route-modules/app-page/module.js') } else { if (process.env.__NEXT_EXPERIMENTAL_REACT) { if (process.env.NODE_ENV === 'development') { if (process.env.TURBOPACK) { module.exports = require('next/dist/compiled/next-server/app...
rimental.runtime.prod.js') } } } else { if (process.env.NODE_ENV === 'development') { if (process.env.TURBOPACK) { module.exports = require('next/dist/compiled/next-server/app-page-turbo.runtime.dev.js') } else {
process.env.TURBOPACK) { module.exports = require('next/dist/compiled/next-server/app-page-turbo-experimental.runtime.prod.js') } else { module.exports = require('next/dist/compiled/next-server/app-page-expe
{ "filepath": "packages/next/src/server/route-modules/app-page/module.compiled.js", "language": "javascript", "file_size": 1374, "cut_index": 524, "middle_length": 229 }
sage } from 'http' import { NEXT_ROUTER_PREFETCH_HEADER, NEXT_ROUTER_SEGMENT_PREFETCH_HEADER, RSC_HEADER, } from '../../../client/components/app-router-headers' import type { BaseNextRequest } from '../../base-http' import { isRSCRequestHeader } from '../../lib/is-rsc-request' import { parseReqUrl } from '../../...
const isRscRequest = isRSCRequestHeader(req.headers[RSC_HEADER]) if (!isRscRequest) { return } addRequestMeta(req as IncomingMessage, 'isRSCRequest', true) const isPrefetchRequest = getHeaderValue(req.headers[NEXT_ROUTER_PREFETCH_HEADER]
ndefined ): string | undefined { if (Array.isArray(value)) { return value[0] } return value } export function applyAppPageRscRequestMetaFromHeaders( req: Pick<IncomingMessage | BaseNextRequest, 'headers'> ): void {
{ "filepath": "packages/next/src/server/route-modules/app-page/normalize-request-url.ts", "language": "typescript", "file_size": 1720, "cut_index": 537, "middle_length": 229 }
rs. It sets up the environment // for later imports to work properly. // expose AsyncLocalStorage on global for react usage if it isn't already provided by the environment if (typeof (globalThis as any).AsyncLocalStorage !== 'function') { const { AsyncLocalStorage } = require('async_hooks') as typeof import('asy...
require('next/dist/compiled/ws') as typeof import('next/dist/compiled/ws') ).WebSocket }, set(value) { Object.defineProperty(globalThis, 'WebSocket', { configurable: true, writable: true, value, }) },
figurable: true, get() { return (
{ "filepath": "packages/next/src/server/node-environment-baseline.ts", "language": "typescript", "file_size": 873, "cut_index": 559, "middle_length": 52 }
port { isAbortError, pipeToNodeResponse, pipeNodeReadableToNodeResponse, } from './pipe-readable' import type { RenderResumeDataCache } from './resume-data-cache/resume-data-cache' import { InvariantError } from '../shared/lib/invariant-error' import type { HTML_CONTENT_TYPE_HEADER, JSON_CONTENT_TYPE_HEADER, ...
PE_HEADER // For simplified errors export type AppPageRenderResultMetadata = { flightData?: Buffer cacheControl?: CacheControl staticBailoutInfo?: { stack?: string description?: string } /** * The postponed state if the render had po
ENT_TYPE_HEADER // For App Page RSC responses | typeof HTML_CONTENT_TYPE_HEADER // For App Page, Pages HTML responses | typeof JSON_CONTENT_TYPE_HEADER // For API routes, Next.js data requests | typeof TEXT_PLAIN_CONTENT_TY
{ "filepath": "packages/next/src/server/render-result.ts", "language": "typescript", "file_size": 13138, "cut_index": 921, "middle_length": 229 }
type { BaseNextRequest } from './base-http' import type { ParsedUrlQuery } from 'querystring' import { getRequestMeta } from './request-meta' import { stringify as stringifyQs } from 'querystring' // since initial query values are decoded by querystring.parse // we need to re-encode them here but still allow passing...
=> { // `value` always refers to a query value, even if it's nested in an array return Array.isArray(initialQueryVal) ? initialQueryVal.includes(value) : initialQueryVal === value }) ) { //
t initialQueryValues = Object.values(initialQuery) return stringifyQs(query, undefined, undefined, { encodeURIComponent(value) { if ( value in initialQuery || initialQueryValues.some((initialQueryVal)
{ "filepath": "packages/next/src/server/server-route-utils.ts", "language": "typescript", "file_size": 1129, "cut_index": 518, "middle_length": 229 }
./../../client/components/app-router-headers' import { parseReqUrl } from '../../../lib/url' import { getRequestMeta } from '../../request-meta' import { RSCPathnameNormalizer } from '../../normalizers/request/rsc' import { SegmentPrefixRSCPathnameNormalizer } from '../../normalizers/request/segment-prefix-rsc' import ...
l = parseReqUrl(req.url)! parsedUrl.pathname = new RSCPathnameNormalizer().normalize( parsedUrl.pathname! ) req.headers[RSC_HEADER] = '1' normalizeAppPageRequestUrl(req, parsedUrl.pathname!) expect(parsedUrl.pathname).toBe('/do
scribe('normalizeAppPageRequestUrl', () => { it('rewrites req.url for regular RSC requests', () => { const req: TestRequest = { headers: {}, url: '/docs/frameworks/frontend.rsc?foo=bar', } const parsedUr
{ "filepath": "packages/next/src/server/route-modules/app-page/normalize-request-url.test.ts", "language": "typescript", "file_size": 4122, "cut_index": 614, "middle_length": 229 }
/ This file should be imported before any others. It sets up the environment // for later imports to work properly. import './node-environment-baseline' // Import as early as possible so that unexpected errors in other extensions are properly formatted. // Has to come after baseline since error-inspect requires AsyncL...
ns/unhandled-rejection.external' import './node-environment-extensions/random' import './node-environment-extensions/date' import './node-environment-extensions/web-crypto' import './node-environment-extensions/node-crypto' import './node-environment-exten
ht to write the log to file. import './node-environment-extensions/console-file' import './node-environment-extensions/console-exit' import './node-environment-extensions/console-dim.external' import './node-environment-extensio
{ "filepath": "packages/next/src/server/node-environment.ts", "language": "typescript", "file_size": 1033, "cut_index": 513, "middle_length": 229 }
ler) { controller.close() }, }) } // If we only have 1 stream we fast path it by returning just this stream if (streams.length === 1) { return streams[0] } const { readable, writable } = new TransformStream() // We always initiate pipeTo immediately. We know we have at least 2 strea...
s at least two streams so the lastStream here will always be defined const lastStream = streams[i] promise = promise.then(() => lastStream.pipeTo(writable)) // Catch any errors from the streams and ignore them, they will be handled // by whatever
{ const nextStream = streams[i] promise = promise.then(() => nextStream.pipeTo(writable, { preventClose: true }) ) } // We can omit the length check because we halted before the last stream and there // i
{ "filepath": "packages/next/src/server/stream-utils/node-web-streams-helper.ts", "language": "typescript", "file_size": 44817, "cut_index": 2151, "middle_length": 229 }
c with: * - packages/create-next-app/helpers/generate-agent-files.ts * - packages/next-codemod/lib/agents-md.ts */ import fs from 'fs' import path from 'path' export const AGENT_RULES_START_MARKER = '<!-- BEGIN:nextjs-agent-rules -->' export const AGENT_RULES_END_MARKER = '<!-- END:nextjs-agent-rules -->' /**...
T_MARKER} # This is NOT the Next.js you know This version has breaking changes — APIs, conventions, and file structure may all differ from your training data. Read the relevant guide in \`node_modules/next/dist/docs/\` before writing any code. Heed deprec
rrent blocks. */ const LEGACY_AGENT_RULES_START_MARKER = '<!-- NEXT-AGENTS-MD-START -->' const LEGACY_AGENT_RULES_END_MARKER = '<!-- NEXT-AGENTS-MD-END -->' function buildAgentRulesBlock(): string { return `${AGENT_RULES_STAR
{ "filepath": "packages/next/src/server/lib/generate-agent-files.ts", "language": "typescript", "file_size": 5809, "cut_index": 716, "middle_length": 229 }
pe { LocaleAnalysisResult } from './i18n-provider' describe('I18NProvider', () => { const config = { defaultLocale: 'en', locales: ['en', 'fr', 'en-CA'], domains: [ { domain: 'example.com', defaultLocale: 'en', locales: ['en-CA'], }, { domain: 'example.fr...
expected: domainLocale, })), // Verify not-found domains. { domain: 'example.de', detectedLocale: undefined, expected: undefined, }, // Verify that the other detected locale will support the
etectedLocale: string | undefined expected: DomainLocale | undefined }>([ // Verify domains. ...config.domains.map((domainLocale) => ({ domain: domainLocale.domain, detectedLocale: undefined,
{ "filepath": "packages/next/src/server/lib/i18n-provider.test.ts", "language": "typescript", "file_size": 3479, "cut_index": 614, "middle_length": 229 }
interface LocaleAnalysisResult { /** * The pathname without the locale prefix (if any). */ pathname: string /** * The detected locale. If no locale was detected, this will be `undefined`. */ detectedLocale?: string /** * True if the locale was inferred from the default locale. */ inferre...
rivate readonly lowerCaseLocales: ReadonlyArray<string> private readonly lowerCaseDomains?: ReadonlyArray< DomainLocale & { // The configuration references a domain with an optional port, but the // hostname is always the domain without t
Locale?: string } /** * The I18NProvider is used to match locale aware routes, detect the locale from * the pathname and hostname and normalize the pathname by removing the locale * prefix. */ export class I18NProvider { p
{ "filepath": "packages/next/src/server/lib/i18n-provider.ts", "language": "typescript", "file_size": 5970, "cut_index": 716, "middle_length": 229 }
request/fallback-params' import { getImplicitTags } from './implicit-tags' describe('getImplicitTags()', () => { it.each<{ page: string pathname: string fallbackRouteParams: null | OpaqueFallbackRouteParams expectedTags: string[] }>([ { page: '/', pathname: '/', fallbackRouteP...
s: null, expectedTags: ['_N_T_/layout', '_N_T_/page'], }, { page: '/page', pathname: '/', fallbackRouteParams: null, expectedTags: ['_N_T_/layout', '_N_T_/page', '_N_T_/', '_N_T_/index'], }, { page: '/pag
t', '_N_T_/', '_N_T_/index'], }, { page: '/', pathname: '', fallbackRouteParams: null, expectedTags: ['_N_T_/layout'], }, { page: '/page', pathname: '', fallbackRouteParam
{ "filepath": "packages/next/src/server/lib/implicit-tags.test.ts", "language": "typescript", "file_size": 2991, "cut_index": 563, "middle_length": 229 }
ms } from '../request/fallback-params' import { getCacheHandlerEntries } from '../use-cache/handlers' import { encodeCacheTag } from './encode-cache-tag' import { createLazyResult, type LazyResult } from './lazy-result' export interface ImplicitTags { /** * For legacy usage, the implicit tags are passed to the in...
ng the expiration * values if no caches are read at all. */ readonly expirationsByCacheKind: Map<string, LazyResult<number>> } const getDerivedTags = (pathname: string): string[] => { const derivedTags: string[] = [`/layout`] // we automatica
red in the work unit store, and used to compare * with a cache entry's timestamp. * * Note: This map contains lazy results so that we can evaluate them when the * first cache entry is read. It allows us to skip fetchi
{ "filepath": "packages/next/src/server/lib/implicit-tags.ts", "language": "typescript", "file_size": 3672, "cut_index": 614, "middle_length": 229 }
ithub.com/nodejs/node/blob/9fc57006c27564ed7f75eee090eca86786508f51/lib/internal/net.js#L19-L29 // License included below: // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the...
ial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVE
the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substant
{ "filepath": "packages/next/src/server/lib/is-ipv6.ts", "language": "typescript", "file_size": 2097, "cut_index": 563, "middle_length": 229 }
type LazyResult<TValue> = PromiseLike<TValue> & { value?: TValue } export type ResolvedLazyResult<TValue> = PromiseLike<TValue> & { value: TValue } /** * Calls the given function only when the returned promise-like object is * awaited. Afterwards, it provides the resolved value synchronously as `value` * property....
) => { // The externally awaited result will be rejected via `onrejected`. We // don't need to handle it here. But we do want to avoid an unhandled // rejection. }) return pendingResult.then(onfulfilled, onrejec
= { then(onfulfilled, onrejected) { if (!pendingResult) { pendingResult = Promise.resolve(fn()) } pendingResult .then((value) => { result.value = value }) .catch((
{ "filepath": "packages/next/src/server/lib/lazy-result.ts", "language": "typescript", "file_size": 1198, "cut_index": 518, "middle_length": 229 }
t keys', () => { expect(cache.get('nonexistent')).toBeUndefined() }) it('should check if key exists with has()', () => { cache.set('key1', 'value1') expect(cache.has('key1')).toBe(true) expect(cache.has('nonexistent')).toBe(false) }) it('should update existing keys', () => { ...
() => { let cache: LRUCache<string> beforeEach(() => { cache = new LRUCache<string>(3) }) it('should evict least recently used item when capacity exceeded', () => { cache.set('key1', 'value1') cache.set('key2', 'value2'
tly', () => { expect(cache.size).toBe(0) cache.set('key1', 'value1') expect(cache.size).toBe(1) cache.set('key2', 'value2') expect(cache.size).toBe(2) }) }) describe('LRU Eviction Behavior',
{ "filepath": "packages/next/src/server/lib/lru-cache.test.ts", "language": "typescript", "file_size": 9961, "cut_index": 921, "middle_length": 229 }
ic size: number public prev: LRUNode<T> | SentinelNode<T> | null = null public next: LRUNode<T> | SentinelNode<T> | null = null constructor(key: string, data: T, size: number) { this.key = key this.data = data this.size = size } } /** * Sentinel node used for head/tail boundaries. * These nodes ...
* - Hash map provides O(1) key-to-node lookup * - Sentinel head/tail nodes simplify edge case handling * - Size-based eviction supports custom size calculation functions * * Data Structure Layout: * HEAD <-> [most recent] <-> ... <-> [least recent]
| null = null } /** * LRU (Least Recently Used) Cache implementation using a doubly-linked list * and hash map for O(1) operations. * * Algorithm: * - Uses a doubly-linked list to maintain access order (most recent at head)
{ "filepath": "packages/next/src/server/lib/lru-cache.ts", "language": "typescript", "file_size": 7315, "cut_index": 716, "middle_length": 229 }
ck-request' describe('MockedRequest', () => { it('should have the correct properties', () => { const req = new MockedRequest({ url: '/hello', method: 'POST', headers: { 'x-foo': 'bar', }, }) expect(req.url).toBe('/hello') expect(req.method).toBe('POST') expect(req...
'foo, bar', }) res.writeHead(200, ['x-foo', 'foo, bar', 'x-bar', 'bar, foo']) expect(res.getHeaders()).toEqual({ 'x-foo': 'foo, bar', 'x-bar': 'bar, foo', }) res.writeHead(200, ['x-foo', ['bar', 'foo'], 'x-bar', ['foo', '
ponse({}) res.setHeader('x-foo', 'bar') res.setHeader('x-bar', 'foo') res.writeHead(200, { 'x-foo': 'bar, foo', 'x-bar': 'foo, bar' }) expect(res.getHeaders()).toEqual({ 'x-foo': 'bar, foo', 'x-bar':
{ "filepath": "packages/next/src/server/lib/mock-request.test.ts", "language": "typescript", "file_size": 2325, "cut_index": 563, "middle_length": 229 }
od: string readable?: Stream.Readable socket?: Socket | null } export class MockedRequest extends Stream.Readable implements IncomingMessage { public url: string public readonly statusCode?: number | undefined public readonly statusMessage?: string | undefined public readonly headers: IncomingHttpHeaders ...
// `remoteAddress` property. public socket: Socket = new Proxy<TLSSocket>({} as TLSSocket, { get: (_target, prop) => { if (prop !== 'encrypted' && prop !== 'remoteAddress') { throw new Error('Method not implemented') } i
public readonly httpVersionMinor = 0 private bodyReadable?: Stream.Readable // If we don't actually have a socket, we'll just use a mock one that // always returns false for the `encrypted` property and undefined for the
{ "filepath": "packages/next/src/server/lib/mock-request.ts", "language": "typescript", "file_size": 13261, "cut_index": 921, "middle_length": 229 }
e('parseStack', () => { it('returns empty array for empty string', () => { expect(parseStack('')).toEqual([]) }) it('parses a basic stack frame', () => { const stack = `Error: boom at myFunc (file:///app/foo.ts:10:5)` const frames = parseStack(stack) expect(frames[0]).toEqual({ file: 'f...
) }) it('rewrites /_next/static/immutable/ URLs to distDir', () => { const stack = `Error at fn (http://localhost:3000/_next/static/immutable/chunks/app.js:1:1)` const [frame] = parseStack(stack, '/home/user/project/.next') expect(f
Error at fn (http://localhost:3000/_next/static/chunks/app.js:1:1)` const [frame] = parseStack(stack, '/home/user/project/.next') expect(frame.file).toBe( 'file:///home/user/project/.next/static/chunks/app.js'
{ "filepath": "packages/next/src/server/lib/parse-stack.test.ts", "language": "typescript", "file_size": 2546, "cut_index": 563, "middle_length": 229 }
xt/dist/compiled/stacktrace-parser' const regexNextStatic = /\/_next(\/static\/.+)/ export interface StackFrame { file: string | null methodName: string arguments: string[] /** 1-based */ line1: number | null /** 1-based */ column1: number | null } export function parseStack( stack: string, distDir...
place(/eval code/g, 'eval') .replace(/\(eval at [^()]* \(/, '(file://') .replace(/\),.*$/g, ')') } return line }) .join('\n') const frames = parse(stack) return frames.map((frame) => { try { const url
ejs/error-stack-parser/blob/9f33c224b5d7b607755eb277f9d51fcdb7287e24/error-stack-parser.js#L59C33-L59C62 stack = stack .split('\n') .map((line) => { if (line.includes('(eval ')) { line = line .re
{ "filepath": "packages/next/src/server/lib/parse-stack.ts", "language": "typescript", "file_size": 1561, "cut_index": 537, "middle_length": 229 }
/work-unit-async-storage.external' import type { WorkStore } from '../app-render/work-async-storage.external' import type { IncrementalCache } from './incremental-cache' import { createPatchedFetcher } from './patch-fetch' describe('createPatchedFetcher', () => { it('should not buffer a streamed response', async () ...
ResolvedValue(new Response(readableStream)) const workAsyncStorage = new AsyncLocalStorage<WorkStore>() const workUnitAsyncStorage = new AsyncLocalStorage<WorkUnitStore>() const patchedFetch = createPatchedFetcher(mockFetch, { // workU
oller.enqueue(new TextEncoder().encode('stream start')) streamChunk = () => { controller.enqueue(new TextEncoder().encode('stream end')) controller.close() } }, }) mockFetch.mock
{ "filepath": "packages/next/src/server/lib/patch-fetch.test.ts", "language": "typescript", "file_size": 3183, "cut_index": 614, "middle_length": 229 }
ined | number { try { let normalizedRevalidate: number | undefined = undefined if (revalidateVal === false) { normalizedRevalidate = INFINITE_CACHE } else if ( typeof revalidateVal === 'number' && !isNaN(revalidateVal) && revalidateVal > -1 ) { normalizedRevalidate = rev...
{ throw err } return undefined } } export function validateTags(tags: any[], description: string) { const validTags: string[] = [] const invalidTags: Array<{ tag: any reason: string }> = [] for (let i = 0; i < tags.length;
lse` ) } return normalizedRevalidate } catch (err: any) { // handle client component error from attempting to check revalidate value if (err instanceof Error && err.message.includes('Invalid revalidate'))
{ "filepath": "packages/next/src/server/lib/patch-fetch.ts", "language": "typescript", "file_size": 47922, "cut_index": 2151, "middle_length": 229 }
type NextIncomingMessage } from '../request-meta' const PATCHED_SET_HEADER = Symbol('next.patchSetHeaderWithCookieSupport') type PatchableResponse = { setHeader(key: string, value: string | string[]): PatchableResponse headersSent?: boolean [PATCHED_SET_HEADER]?: true } /** * Ensure cookies set in middleware ...
eader = ( name: string, value: string | string[] ): PatchableResponse => { // When renders /_error after page is failed, it could attempt to set // headers after headers. if ('headersSent' in res && res.headersSent) { return res
NextIncomingMessage, res: PatchableResponse ) { if (res[PATCHED_SET_HEADER]) { return } const setHeader = res.setHeader.bind(res) Object.defineProperty(res, PATCHED_SET_HEADER, { value: true, }) res.setH
{ "filepath": "packages/next/src/server/lib/patch-set-header.ts", "language": "typescript", "file_size": 1723, "cut_index": 537, "middle_length": 229 }
STPONED_STATE_SIZE, parseMaxPostponedStateSize, } from '../../shared/lib/size-limit' import type { SizeLimit } from '../../types' const INVALID_MAX_POSTPONED_STATE_SIZE_ERROR_MESSAGE = 'maxPostponedStateSize must be a valid number (bytes) or filesize format string (e.g., "5mb")' export type PostponedRequestBodyCh...
) if (maxPostponedStateSizeBytes === undefined) { throw new Error(INVALID_MAX_POSTPONED_STATE_SIZE_ERROR_MESSAGE) } return { maxPostponedStateSize, maxPostponedStateSizeBytes } } export function getPostponedStateExceededErrorMessage( maxPo
teSizeBytes: number } { const maxPostponedStateSize = configuredMaxPostponedStateSize ?? DEFAULT_MAX_POSTPONED_STATE_SIZE const maxPostponedStateSizeBytes = parseMaxPostponedStateSize( configuredMaxPostponedStateSize
{ "filepath": "packages/next/src/server/lib/postponed-request-body.ts", "language": "typescript", "file_size": 1819, "cut_index": 537, "middle_length": 229 }
import next from '../next' import type { Span } from '../../trace' import type { ServerResponse } from 'http' import type { OnCacheEntryHandler } from '../request-meta' import { interopDefault } from '../../lib/interop-default' import { formatDynamicImportPath } from '../../lib/format-dynamic-import-path' import type...
sed for logging after server is ready experimentalFeatures: ConfiguredExperimentalFeature[] // Whether cache components is enabled cacheComponents: boolean // Whether AGENTS.md / CLAUDE.md auto-generation is enabled (default true) agentRules?: bo
to close upgraded HTTP requests (e.g. Turbopack HMR websockets) closeUpgraded: () => void // The distDir from config, used by the parent process for telemetry/trace distDir: string // Experimental features from config, u
{ "filepath": "packages/next/src/server/lib/render-server.ts", "language": "typescript", "file_size": 6347, "cut_index": 716, "middle_length": 229 }
./router-utils/filesystem' import { proxyRequest } from './router-utils/proxy-request' import { isAbortError, pipeToNodeResponse } from '../pipe-readable' import { getResolveRoutes } from './router-utils/resolve-routes' import { addRequestMeta, getRequestMeta } from '../request-meta' import { pathHasPrefix } from '../....
{ PHASE_PRODUCTION_SERVER, PHASE_DEVELOPMENT_SERVER, UNDERSCORE_NOT_FOUND_ROUTE, } from '../../shared/lib/constants' import { RedirectStatusCode } from '../../client/components/redirect-status-code' import { DevBundlerService } from './dev-bundler-se
ort { signalFromNodeResponse } from '../web/spec-extension/adapters/next-request' import { isPostpone } from './router-utils/is-postpone' import { parseUrl as parseUrlUtil } from '../../shared/lib/router/utils/parse-url' import
{ "filepath": "packages/next/src/server/lib/router-server.ts", "language": "typescript", "file_size": 31018, "cut_index": 1331, "middle_length": 229 }
sage } from 'http' import type { BaseNextRequest } from '../base-http' import type { NextRequest } from '../web/exports' import { ACTION_HEADER } from '../../client/components/app-router-headers' export function getServerActionRequestMetadata( req: IncomingMessage | BaseNextRequest | NextRequest ): { actionId: str...
tentType = req.headers['content-type'] ?? null } // We don't actually support URL encoded actions, and the action handler will bail out if it sees one. // But we still want it to flow through to the action handler, to prevent changes in behavior whe
ull if (req.headers instanceof Headers) { actionId = req.headers.get(ACTION_HEADER) ?? null contentType = req.headers.get('content-type') } else { actionId = (req.headers[ACTION_HEADER] as string) ?? null con
{ "filepath": "packages/next/src/server/lib/server-action-request-meta.ts", "language": "typescript", "file_size": 1867, "cut_index": 537, "middle_length": 229 }
rames. function ignoreList(frames: StackFrame[]) { ignoreListAnonymousStackFramesIfSandwiched( frames, (frame) => frame !== null && frame.file === '<anonymous>', (frame) => frame !== null && frame.ignored, (frame) => (frame === null ? '' : frame.methodName), (frame) => { frame!.ignored = tru...
e: '<anonymous>', methodName: 'JSON.parse' }, { ignored: true, file: 'file2.js', methodName: 'render' }, ]) }) test('hides big sandwiches', () => { const frames: StackFrame[] = [ { ignored: true, file: 'file1.js', methodName: 'Page' }, { i
ethodName: 'JSON.parse' }, { ignored: true, file: 'file2.js', methodName: 'render' }, ] ignoreList(frames) expect(frames).toEqual([ { ignored: true, file: 'file1.js', methodName: 'Page' }, { ignored: true, fil
{ "filepath": "packages/next/src/server/lib/source-maps.test.ts", "language": "typescript", "file_size": 8618, "cut_index": 716, "middle_length": 229 }
SourceMap = process.env.NEXT_RUNTIME === 'edge' ? noSourceMap : (require('module') as typeof import('module')).findSourceMap /** * https://tc39.es/source-map/#index-map */ interface IndexSourceMapSection { offset: { line: number column: number } map: BasicSourceMapPayload } // TODO(veil): Up...
sourceRoot?: string // TODO: Move to https://github.com/jridgewell/sourcemaps which is actively maintained /** WARNING: `sources[number]` can be `null`. */ sources: Array<string> names: Array<string> mappings: string ignoreList?: number[] } e
/#sec-source-map-format */ export interface BasicSourceMapPayload { version: number // TODO: Move to https://github.com/jridgewell/sourcemaps which is actively maintained /** WARNING: `file` is optional. */ file: string
{ "filepath": "packages/next/src/server/lib/source-maps.ts", "language": "typescript", "file_size": 9088, "cut_index": 716, "middle_length": 229 }
LOPMENT_SERVER, } from '../../shared/lib/constants' import { ensureAgentRulesForDev, getEnvInfo, logExperimentalInfo, logStartInfo, } from './app-info-log' import { validateTurboNextConfig } from '../../lib/turbopack-warning' import { type Span, trace, flushAllTraces, exportTraceState, initializeTrace...
Port(port: number): Promise<string | null> { const timeoutMs = 250 const processLookupController = new AbortController() const pidPromise = new Promise<string | null>((resolve) => { const handleError = (error: Error) => { debug('Failed to
m '../../build/duration-to-string' const debug = setupDebug('next:start-server') let startServerSpan: Span | undefined /** * Get the process ID (PID) of the process using the specified port */ async function getProcessIdUsing
{ "filepath": "packages/next/src/server/lib/start-server.ts", "language": "typescript", "file_size": 20661, "cut_index": 1331, "middle_length": 229 }
shared/lib/router/utils/is-bot' import type { BaseNextRequest } from '../base-http' let cachedPattern: string | undefined let cachedRegex: RegExp | undefined export function shouldServeStreamingMetadata( userAgent: string, htmlLimitedBots: string | undefined ): boolean { const pattern = htmlLimitedBots || HTML_...
false } return true } // When the request UA is a html-limited bot, we should do a dynamic render. // In this case, postpone state is not sent. export function isHtmlBotRequest(req: { headers: BaseNextRequest['headers'] }): boolean { const ua = re
Agent && cachedRegex!.test(userAgent)) { return
{ "filepath": "packages/next/src/server/lib/streaming-metadata.ts", "language": "typescript", "file_size": 984, "cut_index": 582, "middle_length": 52 }
'./to-route' describe('toRoute Function', () => { it('should remove trailing slash', () => { const result = toRoute('/example/') expect(result).toBe('/example') }) it('should remove trailing `/index`', () => { const result = toRoute('/example/index') expect(result).toBe('/example') }) it('...
/') }) it('should return `/` when input is only a slash', () => { const result = toRoute('/') expect(result).toBe('/') }) it('should return `/` when input is empty', () => { const result = toRoute('') expect(result).toBe('/') })
esult = toRoute('/index/') expect(result).toBe('
{ "filepath": "packages/next/src/server/lib/to-route.test.ts", "language": "typescript", "file_size": 847, "cut_index": 535, "middle_length": 52 }
nizeArgs, getParsedNodeOptions, } from './utils' const originalNodeOptions = process.env.NODE_OPTIONS afterAll(() => { process.env.NODE_OPTIONS = originalNodeOptions }) describe('tokenizeArgs', () => { it('splits arguments by spaces', () => { const result = tokenizeArgs('--spaces "thing with spaces" --norm...
h "spaces"', '--normal', '1234', ]) }) }) describe('formatNodeOptions', () => { it('wraps values with spaces in quotes', () => { const result = formatNodeOptions({ spaces: 'thing with spaces', spacesAndQuotes: 'thing wi
nizeArgs( '--spaces "thing with spaces" --spacesAndQuotes "thing with \\"spaces\\"" --normal 1234' ) expect(result).toEqual([ '--spaces', 'thing with spaces', '--spacesAndQuotes', 'thing wit
{ "filepath": "packages/next/src/server/lib/utils.test.ts", "language": "typescript", "file_size": 4820, "cut_index": 614, "middle_length": 229 }
sage) } else { console.error(message) } return process.exit(code) } export type NodeOptions = Record<string, string | boolean | undefined> const parseNodeArgs = (args: string[]): NodeOptions => { const { values, tokens } = parseArgs({ args, strict: false, tokens: true }) // For the `NODE_OPTIONS`, we ...
option is orphaned, and we can assign it. if (token.kind === 'option') { orphan = typeof token.value === 'undefined' ? token : null continue } // If the token isn't a positional one, then we can't assign it to the found // orph
ken.kind === 'option-terminator') { break } // When we encounter an option, if it's value is undefined, we should check // to see if the following tokens are positional parameters. If they are, // then the
{ "filepath": "packages/next/src/server/lib/utils.ts", "language": "typescript", "file_size": 9043, "cut_index": 716, "middle_length": 229 }
t { isCsrfOriginAllowed } from '../../app-render/csrf-protection' const allowedDevOriginsDocs = 'https://nextjs.org/docs/app/api-reference/config/next-config-js/allowedDevOrigins' function getBlockedResourcePath(req: IncomingMessage): string { return parseUrl(req.url ?? '')?.pathname ?? req.url ?? '/_next/*' } f...
r an opaque/sandboxed origin // - hostname string: we parsed an allowlistable host from Origin/Referer // - `undefined` (and effectively empty string): the request did not include a usable host if (source === 'null') { lines.push( '',
th}${getBlockedSourceDescription(source)}.`, 'Cross-origin access to Next.js dev resources is blocked by default for safety.', ] // `source` has 3 meanings here: // - `'null'`: browser explicitly sent `Origin: null` fo
{ "filepath": "packages/next/src/server/lib/router-utils/block-cross-site-dev.ts", "language": "typescript", "file_size": 5365, "cut_index": 716, "middle_length": 229 }
ildDataRoute } from './build-data-route' describe('buildDataRoute', () => { it('should build a dynamic data route', () => { const dataRoute = buildDataRoute('/[...slug]', '123') expect(dataRoute).toMatchInlineSnapshot(` { "dataRouteRegex": "^/_next/data/123/(.+?)\\.json$", "namedDataRouteR...
taRoute('/about', '123') expect(dataRoute).toMatchInlineSnapshot(` { "dataRouteRegex": "^/_next/data/123/about\\.json$", "namedDataRouteRegex": undefined, "page": "/about", "routeKeys": undefined, } `) }) })
c data route', () => { const dataRoute = buildDa
{ "filepath": "packages/next/src/server/lib/router-utils/build-data-route.test.ts", "language": "typescript", "file_size": 831, "cut_index": 523, "middle_length": 52 }
from '../../../shared/lib/isomorphic/path' import { normalizePagePath } from '../../../shared/lib/page-path/normalize-page-path' import { isDynamicRoute } from '../../../shared/lib/router/utils/is-dynamic' import { getNamedRouteRegex } from '../../../shared/lib/router/utils/route-regex' import { normalizeRouteRegex } f...
ndefined if (isDynamicRoute(page)) { const routeRegex = getNamedRouteRegex(dataRoute, { prefixRouteKeys: true, includeSuffix: true, excludeOptionalTrailingSlash: true, }) dataRouteRegex = normalizeRouteRegex(routeRegex.re.
normalizePagePath(page) const dataRoute = path.posix.join('/_next/data', buildId, `${pagePath}.json`) let dataRouteRegex: string let namedDataRouteRegex: string | undefined let routeKeys: { [named: string]: string } | u
{ "filepath": "packages/next/src/server/lib/router-utils/build-data-route.ts", "language": "typescript", "file_size": 1423, "cut_index": 524, "middle_length": 229 }
ort path from '../../../shared/lib/isomorphic/path' import { normalizePagePath } from '../../../shared/lib/page-path/normalize-page-path' import { getNamedRouteRegex } from '../../../shared/lib/router/utils/route-regex' import { RSC_SEGMENT_SUFFIX, RSC_SEGMENTS_DIR_SUFFIX, } from '../../../lib/constants' export co...
Path}${RSC_SEGMENT_SUFFIX}` ) const { namedRegex, routeKeys } = getNamedRouteRegex(destination, { prefixRouteKeys: true, includePrefix: true, includeSuffix: true, excludeOptionalTrailingSlash: true, backreferenceDuplicateKeys: true
hSegmentDataRoute( page: string, segmentPath: string ): PrefetchSegmentDataRoute { const pagePath = normalizePagePath(page) const destination = path.posix.join( `${pagePath}${RSC_SEGMENTS_DIR_SUFFIX}`, `${segment
{ "filepath": "packages/next/src/server/lib/router-utils/build-prefetch-segment-data-route.ts", "language": "typescript", "file_size": 1081, "cut_index": 515, "middle_length": 229 }
ver/web/spec-extension/revalidate' export { unstable_noStore } from 'next/dist/server/web/spec-extension/unstable-no-store' export { io } from 'next/dist/server/request/io' /** * Cache this \`"use cache"\` for a timespan defined by the \`"default"\` profile. * \`\`\` ...
affic for 1 day it will expire. The next request will recompute it. */ export function cacheLife(profile: "default"): void /** * Cache this \`"use cache"\` for a timespan defined by the \`"hours"\` profile.
his cache may be stale on clients for 1 hour before checking with the server. * If the server receives a new request after 15 minutes, start revalidating new values in the background. * If this entry has no tr
{ "filepath": "packages/next/src/server/lib/router-utils/cache-life-type-utils.test.ts", "language": "typescript", "file_size": 19710, "cut_index": 1331, "middle_length": 229 }
} from '../route-matches/route-match' import type { RouteDefinition } from '../route-definitions/route-definition' import type { Params } from '../request/params' import { isDynamicRoute } from '../../shared/lib/router/utils' import { getRouteMatcher, type RouteMatchFn, } from '../../shared/lib/router/utils/route-...
cate matches on routes. */ public duplicated?: Array<RouteMatcher> constructor(public readonly definition: D) { if (isDynamicRoute(definition.pathname)) { this.dynamic = getRouteMatcher(getRouteRegex(definition.pathname)) } } /**
finition> { private readonly dynamic?: RouteMatchFn /** * When set, this is an array of all the other matchers that are duplicates of * this one. This is used by the managers to warn the users about possible * dupli
{ "filepath": "packages/next/src/server/route-matchers/route-matcher.ts", "language": "typescript", "file_size": 1859, "cut_index": 537, "middle_length": 229 }
onstants' import type { CollectedCacheResult } from '../use-cache/use-cache-wrapper' /** * A generic cache store type that provides a subset of Map functionality */ type CacheStore<T> = Pick< Map<string, T>, 'entries' | 'keys' | 'size' | 'get' | 'set' | 'has' | typeof Symbol.iterator > /** * A cache store spec...
for "use cache" entries */ export interface UseCacheCacheStoreSerialized { entry: { value: string tags: string[] stale: number timestamp: number expire: number revalidate: number } hasExplicitRevalidate: boolean | undefined
tedBoundArgsCacheStore = CacheStore<string> /** * An in-memory-only cache store for decrypted bound args of inline server * functions. */ export type DecryptedBoundArgsCacheStore = CacheStore<string> /** * Serialized format
{ "filepath": "packages/next/src/server/resume-data-cache/cache-store.ts", "language": "typescript", "file_size": 5531, "cut_index": 716, "middle_length": 229 }
tream-utils/node-web-streams-helper' import { inflateSync } from 'node:zlib' const isCacheComponentsEnabled = process.env.__NEXT_CACHE_COMPONENTS === 'true' function createMockedCache() { const cache = createPrerenderResumeDataCache() // Should be included during serialization. cache.cache.set( 'success', ...
ic-expire', Promise.resolve({ entry: { value: streamFromString('value'), tags: [], stale: 0, timestamp: 0, expire: 299, revalidate: 1, }, hasExplicitRevalidate: true, hasExplicitEx
hasExplicitRevalidate: true, hasExplicitExpire: true, readRootParamNames: undefined, dynamicNestedCacheError: undefined, }) ) // Should be omitted during serialization. cache.cache.set( 'dynam
{ "filepath": "packages/next/src/server/resume-data-cache/resume-data-cache.test.ts", "language": "typescript", "file_size": 5929, "cut_index": 716, "middle_length": 229 }
t { createBrowserRequest, handleBrowserPageResponse, DEFAULT_BROWSER_REQUEST_TIMEOUT_MS, } from './utils/browser-communication' import type { PageMetadata, PageSegment, SegmentTrieData, } from '../../../shared/lib/mcp-page-metadata-types' import type { SegmentTrieNode } from '../../../next-devtools/dev-over...
active browser sessions.', inputSchema: {}, }, async (_request) => { // Track telemetry mcpTelemetryTracker.recordToolCall('mcp/get_page_metadata') try { const connectionCount = getActiveConnectionCount() i
ageSentToBrowser) => void, getActiveConnectionCount: () => number ) { server.registerTool( 'get_page_metadata', { description: 'Get runtime metadata about what contributes to the current page render from
{ "filepath": "packages/next/src/server/mcp/tools/get-page-metadata.ts", "language": "typescript", "file_size": 6389, "cut_index": 716, "middle_length": 229 }
ate with the browser. * This module provides a common infrastructure for request-response * communication between MCP endpoints and browser sessions via HMR. */ import { nanoid } from 'next/dist/compiled/nanoid' import type { HMR_MESSAGE_SENT_TO_BROWSER, HmrMessageSentToBrowser, } from '../../../dev/hot-reloade...
wserRequest<T>( messageType: HMR_MESSAGE_SENT_TO_BROWSER, sendHmrMessage: (message: HmrMessageSentToBrowser) => void, getActiveConnectionCount: () => number, timeoutMs: number ): Promise<BrowserResponse<T>[]> { const connectionCount = getActiveCo
xpectedCount: number resolve: (value: BrowserResponse<T>[]) => void reject: (reason?: unknown) => void timeout: NodeJS.Timeout } const pendingRequests = new Map<string, PendingRequest<unknown>>() export function createBro
{ "filepath": "packages/next/src/server/mcp/tools/utils/browser-communication.ts", "language": "typescript", "file_size": 2620, "cut_index": 563, "middle_length": 229 }
ool discovers routes by scanning the filesystem directly. It finds all route * files in the app/ and pages/ directories and converts them to route paths. * * Returns routes grouped by router type: * - appRouter: App Router pages and route handlers * - pagesRouter: Pages Router pages and API routes * * Dynamic ro...
lete } from '../../../server/config-shared' import z from 'next/dist/compiled/zod' export function registerGetRoutesTool( server: McpServer, options: { projectPath: string nextConfig: NextConfigComplete pagesDir: string | undefined app
cpServer } from 'next/dist/compiled/@modelcontextprotocol/sdk/server/mcp' import { mcpTelemetryTracker } from '../mcp-telemetry-tracker' import { discoverRoutes } from '../../../build/route-discovery' import type { NextConfigComp
{ "filepath": "packages/next/src/server/mcp/tools/get-routes.ts", "language": "typescript", "file_size": 4794, "cut_index": 614, "middle_length": 229 }
../build/swc/types' import stripAnsi from 'next/dist/compiled/strip-ansi' /** Convert a StyledString tree to Markdown. */ function styledStringToMarkdown(s: StyledString): string { switch (s.type) { case 'text': return s.value case 'code': return `\`${s.value}\`` case 'strong': return `...
ine: number; column: number } /** 1-indexed */ end: { line: number; column: number } } } /** Code frame with ANSI codes stripped */ codeFrame?: string } /** * Transform raw Turbopack issues into a clean format for MCP consumers: *
rn '' } } export interface FormattedIssue { severity: string filePath: string title: string description?: string detail?: string source?: { filePath: string range?: { /** 1-indexed */ start: { l
{ "filepath": "packages/next/src/server/mcp/tools/utils/format-compilation-issues.ts", "language": "typescript", "file_size": 2882, "cut_index": 563, "middle_length": 229 }
const ENCODED_TAGS = { // opening tags do not have the closing `>` since they can contain other attributes such as `<body className=''>` OPENING: { // <html HTML: new Uint8Array([60, 104, 116, 109, 108]), // <head HEAD: new Uint8Array([60, 104, 101, 97, 100]), // <body BODY: new Uint8Array(...
/ Only the match the prefix cause the suffix can be different wether it's xml compatible or not ">" or "/>" // <meta name="«nxt-icon»" // This is a special mark that will be replaced by the icon insertion script tag. ICON_MARK: new Uint8Array([
// </html> HTML: new Uint8Array([60, 47, 104, 116, 109, 108, 62]), // </body></html> BODY_AND_HTML: new Uint8Array([ 60, 47, 98, 111, 100, 121, 62, 60, 47, 104, 116, 109, 108, 62, ]), }, META: { /
{ "filepath": "packages/next/src/server/stream-utils/encoded-tags.ts", "language": "typescript", "file_size": 1158, "cut_index": 518, "middle_length": 229 }
pack/loaders/next-app-loader' import { DEFAULT_SEGMENT_KEY } from '../../shared/lib/segment' /** * LoaderTree is generated in next-app-loader. */ export type LoaderTree = [ segment: string, parallelRoutes: { [parallelRouterKey: string]: LoaderTree }, modules: AppDirModules, /** * At build time, for each d...
gs: ['sale'] * * This accounts for route groups, which may place sibling routes in * different parts of the file system tree but at the same URL level. * * A value of `null` means the static siblings are unknown (e.g., in webpack * dev mo
* For example, given the following file structure: * /app/(group1)/products/sale/page.tsx -> /products/sale * /app/(group2)/products/[id]/page.tsx -> /products/[id] * * The [id] segment would have staticSiblin
{ "filepath": "packages/next/src/server/lib/app-dir-module.ts", "language": "typescript", "file_size": 2203, "cut_index": 563, "middle_length": 229 }
ort { CACHE_ONE_YEAR_SECONDS } from '../../lib/constants' /** * The revalidate option used internally for pages. A value of `false` means * that the page should not be revalidated. A number means that the page * should be revalidated after the given number of seconds (this also includes * `1` which means to revali...
`, stale-while-revalidate=${expire - revalidate}` : '' if (revalidate === 0) { return 'private, no-cache, no-store, max-age=0, must-revalidate' } else if (typeof revalidate === 'number') { return `s-maxage=${revalidate}${swrHeader}` }
mber | undefined } export function getCacheControlHeader({ revalidate, expire, }: CacheControl): string { const swrHeader = typeof revalidate === 'number' && expire !== undefined && revalidate < expire ?
{ "filepath": "packages/next/src/server/lib/cache-control.ts", "language": "typescript", "file_size": 1061, "cut_index": 515, "middle_length": 229 }
gistry<WeakRef<ReadableStream>> | undefined if (globalThis.FinalizationRegistry) { registry = new FinalizationRegistry((weakRef: WeakRef<ReadableStream>) => { const stream = weakRef.deref() if (stream && !stream.locked) { stream.cancel('Response object has been garbage collected').then(noop) } })...
es of the original response. */ export function cloneResponse(original: Response): [Response, Response] { // If the response has no body, then we can just return the original response // twice because it's immutable. if (!original.body) { return
loning, the original response's body will be consumed and closed. * * @see https://github.com/vercel/next.js/pull/73274 * * @param original - The original response to clone. * @returns A tuple containing two independent clon
{ "filepath": "packages/next/src/server/lib/clone-response.ts", "language": "typescript", "file_size": 2493, "cut_index": 563, "middle_length": 229 }
of fetch> let dedupeFetch: ReturnType<typeof createDedupeFetch> beforeEach(() => { // Create a fresh mock for each test originalFetch = jest.fn() dedupeFetch = createDedupeFetch(originalFetch) // Clear all mocks between tests jest.clearAllMocks() }) describe('deduplication behavior', () =...
romise2]) // Should only call original fetch once expect(originalFetch).toHaveBeenCalledTimes(1) expect(originalFetch).toHaveBeenCalledWith( 'https://example.com/api', undefined ) // Both responses should be
// Make two identical requests const promise1 = dedupeFetch('https://example.com/api') const promise2 = dedupeFetch('https://example.com/api') const [response1, response2] = await Promise.all([promise1, p
{ "filepath": "packages/next/src/server/lib/dedupe-fetch.test.ts", "language": "typescript", "file_size": 23603, "cut_index": 1331, "middle_length": 229 }
es/react/src/ReactFetch.js */ import * as React from 'react' import { cloneResponse } from './clone-response' import { InvariantError } from '../../shared/lib/invariant-error' const simpleCacheKey = '["GET",[],null,"follow",null,null,null,null]' // generateCacheKey(new Request('https://blank')); // Headers that shou...
from the first request. // Notably we currently don't consider non-standard (or future) options. // This might not be safe. TODO: warn for non-standard extensions differing. // IF YOU CHANGE THIS UPDATE THE simpleCacheKey ABOVE. const filteredHead
te']) function generateCacheKey(request: Request): string { // We pick the fields that goes into the key used to dedupe requests. // We don't include the `cache` field, because we end up using whatever // caching resulted
{ "filepath": "packages/next/src/server/lib/dedupe-fetch.ts", "language": "typescript", "file_size": 4982, "cut_index": 614, "middle_length": 229 }
ry character outside printable ASCII so a tag value can be * safely serialized as part of the `x-next-cache-tags` HTTP header. * * Node's `validateHeaderValue` rejects any code unit outside `\t\x20-\x7e`, so * a matched route path or user-supplied tag containing a non-ASCII character * (Hebrew, Arabic, Chinese, em...
dHdrChars` table — * `\t` plus printable ASCII through `~`. Anything outside that is rejected * by `validateHeaderValue`, so we encode runs of those characters and leave * everything else (`,`, `/`, `%`, `[`, `]`, `_`, `-`, `\t`, …) byte-for-byte * unc
ags`) and invalidation input (`revalidatePath`, * `revalidateTag`, `updateTag`) — so storage, comparison, and the wire all see * the same canonical ASCII-safe form. * * The character class `[\t\x20-\x7e]` mirrors Node's `vali
{ "filepath": "packages/next/src/server/lib/encode-cache-tag.ts", "language": "typescript", "file_size": 1831, "cut_index": 537, "middle_length": 229 }
ze } from 'path' import { promises as fsPromises } from 'fs' import { warn } from '../../build/output/log' import { cyan } from '../../lib/picocolors' import { isMetadataRouteFile } from '../../lib/metadata/is-metadata-route' import { escapeStringRegexp } from '../../shared/lib/escape-regexp' import type { PageExtensio...
ntDirEntries.includes(segment) }) return (await Promise.all(segmentExistsPromises)).every(Boolean) } /** * Finds a page file with the given parameters. If the page is duplicated with * multiple extensions it will throw, otherwise it will return the
nst segmentExistsPromises = pageSegments.map(async (segment, i) => { const segmentParentDir = join(pagesDir, ...pageSegments.slice(0, i)) const parentDirEntries = await fsPromises.readdir(segmentParentDir) return pare
{ "filepath": "packages/next/src/server/lib/find-page-file.ts", "language": "typescript", "file_size": 5870, "cut_index": 716, "middle_length": 229 }
index of Uint8Array `b` within Uint8Array `a`. */ export function indexOfUint8Array(a: Uint8Array, b: Uint8Array) { if (b.length === 0) return 0 if (a.length === 0 || b.length > a.length) return -1 // Use Node's native implementation when available. if (typeof Buffer !== 'undefined') { const haystack = Bu...
iteration early and iterate to next index of `a`. if (a[i + j] !== b[j]) { completeMatch = false break } } if (completeMatch) { return i } } return -1 } /** * Check if two Uint8Arrays are strictly equiv
ngth; i++) { let completeMatch = true // from index `i`, iterate through `b` and check for mismatch for (let j = 0; j < b.length; j++) { // if the values do not match, then this isn't a complete match, exit `b`
{ "filepath": "packages/next/src/server/stream-utils/uint8array-helpers.ts", "language": "typescript", "file_size": 1840, "cut_index": 537, "middle_length": 229 }
callback, and execute any *new* revalidations added during its runtime. */ export async function withExecuteRevalidates<T>( store: WorkStore | undefined, callback: () => Promise<T> ): Promise<T> { if (!store) { return callback() } // If we executed any revalidates during the request, then we don't want t...
tate(store) ) await executeRevalidates(store, newRevalidates) } } type RevalidationState = Required< Pick< WorkStore, 'pendingRevalidatedTags' | 'pendingRevalidates' | 'pendingRevalidateWrites' > > function cloneRevalidationState(st
urn await callback() } finally { // Check if we have any new revalidates, and if so, wait until they are all resolved. const newRevalidates = diffRevalidationState( savedRevalidationState, cloneRevalidationS
{ "filepath": "packages/next/src/server/revalidation-utils.ts", "language": "typescript", "file_size": 6303, "cut_index": 716, "middle_length": 229 }
import type { AppRouteRouteModule } from './app-route/module' import type { AppPageRouteModule } from './app-page/module' import type { PagesRouteModule } from './pages/module' import type { PagesAPIRouteModule } from './pages-api/module' import type { RouteModule } from './route-module' import { RouteKind } from '.....
eModule is PagesRouteModule { return routeModule.definition.kind === RouteKind.PAGES } export function isPagesAPIRouteModule( routeModule: RouteModule ): routeModule is PagesAPIRouteModule { return routeModule.definition.kind === RouteKind.PAGES_API
unction isAppPageRouteModule( routeModule: RouteModule ): routeModule is AppPageRouteModule { return routeModule.definition.kind === RouteKind.APP_PAGE } export function isPagesRouteModule( routeModule: RouteModule ): rout
{ "filepath": "packages/next/src/server/route-modules/checks.ts", "language": "typescript", "file_size": 1000, "cut_index": 512, "middle_length": 229 }
from 'next/dist/compiled/@modelcontextprotocol/sdk/server/mcp' import { mcpTelemetryTracker } from '../mcp-telemetry-tracker' export function registerGetProjectMetadataTool( server: McpServer, projectPath: string, getDevServerUrl: () => string | undefined ) { server.registerTool( 'get_project_metadata', ...
text: JSON.stringify({ error: 'Unable to determine the absolute path of the Next.js project.', }), }, ], } } const devServerUrl = getDevServerUrl
// Track telemetry mcpTelemetryTracker.recordToolCall('mcp/get_project_metadata') try { if (!projectPath) { return { content: [ { type: 'text',
{ "filepath": "packages/next/src/server/mcp/tools/get-project-metadata.ts", "language": "typescript", "file_size": 1554, "cut_index": 537, "middle_length": 229 }
from 'next/dist/compiled/zod' import { promises as fs } from 'fs' import { join } from 'path' import { mcpTelemetryTracker } from '../mcp-telemetry-tracker' const INLINE_ACTION_PREFIX = '$$RSC_SERVER_ACTION_' interface ActionEntry { workers?: Record<string, any> layer?: Record<string, string> filename: string ...
and export name for the action.', inputSchema: { actionId: z.string(), }, }, async (request) => { // Track telemetry mcpTelemetryTracker.recordToolCall('mcp/get_server_action_by_id') try { const { act
nByIdTool(server: McpServer, distDir: string) { server.registerTool( 'get_server_action_by_id', { description: 'Locates a Server Action by its ID in the server-reference-manifest.json. Returns the filename
{ "filepath": "packages/next/src/server/mcp/tools/get-server-action-by-id.ts", "language": "typescript", "file_size": 4329, "cut_index": 614, "middle_length": 229 }
is read-only and cannot be modified once created. */ export interface RenderResumeDataCache { /** * Discriminator. `false` means this cache is read-only and cannot be filled * with new entries. Used by `ResumeDataCache` consumers to narrow the union * via standard discriminated-union narrowing (e.g. `if ...
acheStore, 'set'> /** * A read-only Map store for encrypted bound args of inline server functions. * The 'set' operation is omitted to enforce immutability. */ readonly encryptedBoundArgs: Omit<EncryptedBoundArgsCacheStore, 'set'> /** *
immutability. */ readonly cache: Omit<UseCacheCacheStore, 'set'> /** * A read-only Map store for cached fetch responses. * The 'set' operation is omitted to enforce immutability. */ readonly fetch: Omit<FetchC
{ "filepath": "packages/next/src/server/resume-data-cache/resume-data-cache.ts", "language": "typescript", "file_size": 11023, "cut_index": 921, "middle_length": 229 }
ype { NextConfigRuntime } from '../config-shared' import { randomUUID } from 'crypto' import * as fs from 'fs' import * as path from 'path' import { getStorageDirectory } from '../cache-dir' // Keep the uuid in memory as it should never change during the lifetime of the server. let workspaceUUID: string | null = null...
await getChromeDevtoolsWorkspace(opts.dir, config.distDir), null, 2 ) ) } /** * https://developer.chrome.com/docs/devtools/workspaces#generate-json */ interface ChromeDevtoolsWorkspace { workspace: { uuid: string root:
andleChromeDevtoolsWorkspaceRequest( response: ServerResponse, opts: { dir: string }, config: NextConfigRuntime ): Promise<void> { response.setHeader('Content-Type', 'application/json') response.end( JSON.stringify(
{ "filepath": "packages/next/src/server/lib/chrome-devtools-workspace.ts", "language": "typescript", "file_size": 2403, "cut_index": 563, "middle_length": 229 }
bundler' import type { WorkerRequestHandler } from './types' import { LRUCache } from './lru-cache' import { createRequestResponseMocks } from './mock-request' import { HMR_MESSAGE_SENT_TO_BROWSER, type HmrMessageSentToBrowser, type NextJsHotReloaderInterface, } from '../dev/hot-reloader-types' /** * The DevBu...
rsToBrowser: NextJsHotReloaderInterface['sendErrorsToBrowser'] constructor( private readonly bundler: DevBundler, private readonly handler: WorkerRequestHandler ) { this.appIsrManifestInner = new LRUCache( 8_000, function leng
olean>> public close: NextJsHotReloaderInterface['close'] public setCacheStatus: NextJsHotReloaderInterface['setCacheStatus'] public setReactDebugChannel: NextJsHotReloaderInterface['setReactDebugChannel'] public sendErro
{ "filepath": "packages/next/src/server/lib/dev-bundler-service.ts", "language": "typescript", "file_size": 4169, "cut_index": 614, "middle_length": 229 }
* FNV-1a Hash implementation * @author Travis Webb (tjwebb) <me@traviswebb.com> * * Ported from https://github.com/tjwebb/fnv-plus/blob/master/index.js * * Simplified, optimized and add modified for 52 bit, which provides a larger hash space * and still making use of Javascript's 53-bit integer space. */ expor...
& 65535 v3 = (t3 + (t2 >>> 16)) & 65535 v2 = t2 & 65535 } return ( (v3 & 15) * 281474976710656 + v2 * 4294967296 + v1 * 65536 + (v0 ^ (v3 >> 4)) ) } export const generateETag = (payload: string, weak = false) => { const pr
while (i < len) { v0 ^= str.charCodeAt(i++) t0 = v0 * 435 t1 = v1 * 435 t2 = v2 * 435 t3 = v3 * 435 t2 += v0 << 8 t3 += v1 << 8 t1 += t0 >>> 16 v0 = t0 & 65535 t2 += t1 >>> 16 v1 = t1
{ "filepath": "packages/next/src/server/lib/etag.ts", "language": "typescript", "file_size": 1122, "cut_index": 515, "middle_length": 229 }
from 'react-dom' import * as ReactJsxDevRuntime from 'react/jsx-dev-runtime' import * as ReactJsxRuntime from 'react/jsx-runtime' import * as ReactCompilerRuntime from 'react/compiler-runtime' import * as ReactDOMServer from 'react-dom/server' function getAltProxyForBindingsDEV( type: 'Turbopack' | 'Webpack', pk...
kg}) for React but the current process is referencing '${prop}' from the ${altType} bindings (${altPkg}). This is likely a bug in our integration of the Next.js server runtime.` ) }, } ) } } let ReactServerDOMTurbopackClient,
' const altPkg = pkg.replace(new RegExp(type, 'gi'), altType.toLowerCase()) return new Proxy( {}, { get(_, prop: string) { throw new Error( `Expected to use ${type} bindings (${p
{ "filepath": "packages/next/src/server/route-modules/app-page/vendored/ssr/entrypoints.ts", "language": "typescript", "file_size": 2098, "cut_index": 563, "middle_length": 229 }
h (e.g. "/blog/hello-world") to its matching Next.js route * specifier (e.g. "/blog/[slug]") using the dev router's own live route table. * * The `matchers` argument is a thin view of `fsChecker` from the router-server * process — the same data structure `resolve-routes.ts` iterates on every * incoming HTTP reques...
athname: string } { let pathname = path const q = pathname.indexOf('?') if (q >= 0) pathname = pathname.slice(0, q) const h = pathname.indexOf('#') if (h >= 0) pathname = pathname.slice(0, h) if (!pathname.startsWith('/')) pathname = '/' + path
Routes: ReadonlyArray<{ page: string match: (pathname: string) => false | object }> } export function resolvePathToRoute( path: string, matchers: RouteMatcherView ): { routeSpecifier: string } | { notFound: true; p
{ "filepath": "packages/next/src/server/mcp/tools/utils/resolve-path-to-route.ts", "language": "typescript", "file_size": 1551, "cut_index": 537, "middle_length": 229 }
'../../build/output/log' import { bold, purple, strikethrough } from '../../lib/picocolors' import type { ConfiguredExperimentalFeature } from '../config' import { experimentalSchema } from '../config-schema' import { detectAgent } from '../../telemetry/detect-agent' import { hasAgentRulesInstalled, writeAgentFiles...
] logBundler: boolean }) { let versionSuffix = '' const parts = [] if (logBundler) { if (process.env.TURBOPACK) { parts.push('Turbopack') } else if (process.env.NEXT_RSPACK) { parts.push('Rspack') } else { parts.push(
re config. * Called before "Ready in X" to show immediate feedback. */ export function logStartInfo({ networkUrl, appUrl, envInfo, logBundler, }: { networkUrl: string | null appUrl: string | null envInfo?: string[
{ "filepath": "packages/next/src/server/lib/app-info-log.ts", "language": "typescript", "file_size": 4143, "cut_index": 614, "middle_length": 229 }
from '../route-definitions/locale-route-definition' import type { LocaleRouteMatch } from '../route-matches/locale-route-match' import { RouteMatcher } from './route-matcher' export type LocaleMatcherMatchOptions = { /** * If defined, this indicates to the matcher that the request should be * treated as local...
ynamic routes, * so it must contain the pathname part as well. */ public get identity(): string { return `${this.definition.pathname}?__nextLocale=${this.definition.i18n?.locale}` } /** * Match will attempt to match the given pathname a
s LocaleRouteDefinition = LocaleRouteDefinition, > extends RouteMatcher<D> { /** * Identity returns the identity part of the matcher. This is used to compare * a unique matcher to another. This is also used when sorting d
{ "filepath": "packages/next/src/server/route-matchers/locale-route-matcher.ts", "language": "typescript", "file_size": 3153, "cut_index": 614, "middle_length": 229 }
t { getErrorSource } from '../../../../shared/lib/error-source' import type { OriginalStackFramesRequest, OriginalStackFramesResponse, } from '../../../../next-devtools/server/shared' type StackFrameForFormatting = { file: string | null methodName: string line1: number | null column1: number | null } type...
f (!stackFrameResolver) { throw new Error( 'Stack frame resolver not initialized. This is a bug in Next.js.' ) } return stackFrameResolver(request) } interface StackFrame { file: string methodName: string line: number | null colu
lver | undefined export function setStackFrameResolver(fn: StackFrameResolver) { stackFrameResolver = fn } async function resolveStackFrames( request: OriginalStackFramesRequest ): Promise<OriginalStackFramesResponse> { i
{ "filepath": "packages/next/src/server/mcp/tools/utils/format-errors.ts", "language": "typescript", "file_size": 5335, "cut_index": 716, "middle_length": 229 }
me = process.env.__NEXT_PRIVATE_CPU_PROFILE const isCpuProfileEnabled = process.env.NEXT_CPU_PROF || privateCpuProfileName const cpuProfileDir = process.env.NEXT_CPU_PROF_DIR let session: import('inspector').Session | null = null let profileSaved = false if (isCpuProfileEnabled) { const { Session } = require('inspe...
session.connect()). */ export function saveCpuProfile(): void { if (!session || profileSaved || !isCpuProfileEnabled) { return } profileSaved = true const fs = require('fs') as typeof import('fs') const path = require('path') as typeof imp
uProfile() }) } /** * Save the CPU profile to disk. * * This is synchronous despite the callback-based API because inspector's * session.post() executes its callback synchronously when connected to * the same process (via
{ "filepath": "packages/next/src/server/lib/cpu-profile.ts", "language": "typescript", "file_size": 1996, "cut_index": 537, "middle_length": 229 }
'fs' import { LRUCache } from './lru-cache' /** * Module-level LRU singleton for disk cache eviction. * Initialized once on first `set()`, shared across all consumers. * Once resolved, the promise stays resolved — subsequent calls just await the cached result. */ let _diskLRUPromise: Promise<LRUCache<number>> | nu...
xDiskSize: number | undefined, readEntries: ( cacheDir: string ) => Promise<Array<{ key: string; size: number; expireAt: number }>>, evictEntry: (cacheDir: string, cacheKey: string) => Promise<void> ): Promise<LRUCache<number>> { if (!_diskLRUP
ched files are stored * @param maxDiskSize - Maximum disk cache size in bytes * @param readEntries - Callback to scan existing cache entries (format-agnostic) */ export async function getOrInitDiskLRU( cacheDir: string, ma
{ "filepath": "packages/next/src/server/lib/disk-lru-cache.external.ts", "language": "typescript", "file_size": 1953, "cut_index": 537, "middle_length": 229 }
definitions' describe('create-env-definitions', () => { it('should create env definitions', async () => { const loadedEnvFiles = [ { path: '.env.local', contents: '', env: { FROM_ENV_LOCAL: 'FROM_ENV_LOCAL', }, }, { path: '.env.development.local...
"// Type definitions for Next.js environment variables declare global { namespace NodeJS { interface ProcessEnv { /** Loaded from \`.env.local\` */ FROM_ENV_LOCAL?: string /** Loaded from \`
FROM_NEXT_CONFIG: 'FROM_NEXT_CONFIG', }, }, ] const definitionStr = await createEnvDefinitions({ distDir: '/dist', loadedEnvFiles, }) expect(definitionStr).toMatchInlineSnapshot(`
{ "filepath": "packages/next/src/server/lib/experimental/create-env-definitions.test.ts", "language": "typescript", "file_size": 2650, "cut_index": 563, "middle_length": 229 }
m '../../shared/lib/i18n/detect-domain-locale' import { formatNextPathnameInfo } from '../../shared/lib/router/utils/format-next-pathname-info' import { getHostname } from '../../shared/lib/get-hostname' import { getNextPathnameInfo } from '../../shared/lib/router/utils/get-next-pathname-info' interface Options { ba...
ase && String(base)) if (REGEX_LOCALHOST_HOSTNAME.test(parsed.hostname)) { parsed.hostname = 'localhost' } return parsed } const Internal = Symbol('NextURLInternal') export class NextURL { private [Internal]: { basePath: string buildI
18NProvider } const REGEX_LOCALHOST_HOSTNAME = /^(?:127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}|\[::1\]|localhost)$/ function parseURL(url: string | URL, base?: string | URL) { const parsed = new URL(String(url), b
{ "filepath": "packages/next/src/server/web/next-url.ts", "language": "typescript", "file_size": 6662, "cut_index": 716, "middle_length": 229 }
EXT_RSC_UNION_QUERY, RSC_HEADER, } from '../../client/components/app-router-headers' import { ensureInstrumentationRegistered } from './globals' import { createRequestStoreForAPI } from '../async-storage/request-store' import { workUnitAsyncStorage } from '../app-render/work-unit-async-storage.external' import { crea...
from './web-on-close' import { getEdgePreviewProps } from './get-edge-preview-props' import { getBuiltinRequestContext } from '../after/builtin-request-context' import { getImplicitTags } from '../lib/implicit-tags' import { isRSCRequestHeader } from '../l
ts/app-router-headers' import { getTracer } from '../lib/trace/tracer' import type { TextMapGetter } from 'next/dist/compiled/@opentelemetry/api' import { MiddlewareSpan } from '../lib/trace/constants' import { CloseController }
{ "filepath": "packages/next/src/server/web/adapter.ts", "language": "typescript", "file_size": 18975, "cut_index": 1331, "middle_length": 229 }
ss PageSignatureError extends Error { constructor({ page }: { page: string }) { super(`The middleware "${page}" accepts an async API directly with the form: export function middleware(request, event) { return NextResponse.redirect('/new-location') } Read more: https://nextjs.org/docs/messages/midd...
docs/messages/middleware-request-page `) } } export class RemovedUAError extends Error { constructor() { super(`The request.ua has been removed in favour of \`userAgent\` function. Read more: https://nextjs.org/docs/messages/middleware-parse-u
://nextjs.org/
{ "filepath": "packages/next/src/server/web/error.ts", "language": "typescript", "file_size": 813, "cut_index": 522, "middle_length": 14 }
es' declare const _ENTRIES: any export async function getEdgeInstrumentationModule(): Promise< InstrumentationModule | undefined > { const instrumentation = '_ENTRIES' in globalThis && _ENTRIES.middleware_instrumentation && (await _ENTRIES.middleware_instrumentation) return instrumentation } let i...
ation?.register) { try { await instrumentation.register() } catch (err: any) { err.message = `An error occurred while loading instrumentation hook: ${err.message}` throw err } } } export async function edgeInstrumentationOn
PHASE === 'phase-production-build') return if (!instrumentationModulePromise) { instrumentationModulePromise = getEdgeInstrumentationModule() } const instrumentation = await instrumentationModulePromise if (instrument
{ "filepath": "packages/next/src/server/web/globals.ts", "language": "typescript", "file_size": 3427, "cut_index": 614, "middle_length": 229 }
./../../shared/lib/router/utils/escape-path-delimiters' import { DecodeError } from '../../../shared/lib/utils' /** * We only encode path delimiters for path segments from * getStaticPaths so we need to attempt decoding the URL * to match against and only escape the path delimiters * this allows non-ascii values t...
map((seg) => { try { seg = escapePathDelimiters(decodeURIComponent(seg), true) } catch (_) { // An improperly encoded URL was provided throw new DecodeError('Failed to decode path param(s).') } return seg
work there. return pathname .split('/') .
{ "filepath": "packages/next/src/server/lib/router-utils/decode-path-params.ts", "language": "typescript", "file_size": 905, "cut_index": 547, "middle_length": 52 }
m '../../../lib/load-custom-routes' import { modifyRouteRegex } from '../../../lib/redirect-status' import { FileType, fileExists } from '../../../lib/file-exists' import { recursiveReadDir } from '../../../lib/recursive-readdir' import { isDynamicRoute } from '../../../shared/lib/router/utils' import { escapeStringReg...
'../../../shared/lib/i18n/normalize-locale-path' import { removePathPrefix } from '../../../shared/lib/router/utils/remove-path-prefix' import { getMiddlewareRouteMatcher } from '../../../shared/lib/router/utils/middleware-route-matcher' import { APP_PA
d/lib/router/utils/route-regex' import { getRouteMatcher } from '../../../shared/lib/router/utils/route-matcher' import { pathHasPrefix } from '../../../shared/lib/router/utils/path-has-prefix' import { normalizeLocalePath } from
{ "filepath": "packages/next/src/server/lib/router-utils/filesystem.ts", "language": "typescript", "file_size": 23257, "cut_index": 1331, "middle_length": 229 }
only be loaded in Node environments. */ import type { Tracer } from '@opentelemetry/api' import { type WorkUnitStore, workUnitAsyncStorage, } from '../../app-render/work-unit-async-storage.external' import { InvariantError } from '../../../shared/lib/invariant-error' import { isUseCacheFunction } from '../../../l...
ight load instrumentation before nextConfig is available // and so gating it on the config might lead to skipping this extension even when it is necessary. // When cacheComponents is disabled this extension should be a no-op so we enable it universally. //
ns should not be loaded in the Edge runtime.' ) } extendTracerProviderForCacheComponents() } // In theory we only want to enable this extension when cacheComponents is enabled // however there are certain servers that m
{ "filepath": "packages/next/src/server/lib/router-utils/instrumentation-node-extensions.ts", "language": "typescript", "file_size": 4606, "cut_index": 614, "middle_length": 229 }
m '../../request-meta' import url from 'url' import { stringifyQuery } from '../../server-route-utils' import { Duplex } from 'stream' import { DetachedPromise } from '../../../lib/detached-promise' export async function proxyRequest( req: IncomingMessage, res: ServerResponse | Duplex, parsedUrl: NextUrlWithPar...
: true, ignorePath: true, ws: true, // we limit proxy requests to 30s by default, in development // we don't time out WebSocket requests to allow proxying proxyTimeout: proxyTimeout === null ? undefined : proxyTimeout || 30_000, hea
any, query) const target = url.format(parsedUrl) const HttpProxy = require('next/dist/compiled/http-proxy') as typeof import('next/dist/compiled/http-proxy') const proxy = new HttpProxy({ target, changeOrigin
{ "filepath": "packages/next/src/server/lib/router-utils/proxy-request.ts", "language": "typescript", "file_size": 3710, "cut_index": 614, "middle_length": 229 }
s' import { formatHostname } from '../format-hostname' import { toNodeOutgoingHttpHeaders } from '../../web/utils' import { isAbortError } from '../../pipe-readable' import { getHostname } from '../../../shared/lib/get-hostname' import { getRedirectStatus, allowedStatusCodes, } from '../../../lib/redirect-status' i...
./../shared/lib/i18n/detect-domain-locale' import { normalizeLocalePath } from '../../../shared/lib/i18n/normalize-locale-path' import { removePathPrefix } from '../../../shared/lib/router/utils/remove-path-prefix' import { NextDataPathnameNormalizer } fro
red/lib/router/utils/add-path-prefix' import { pathHasPrefix } from '../../../shared/lib/router/utils/path-has-prefix' import { parseUrl } from '../../../shared/lib/router/utils/parse-url' import { detectDomainLocale } from '../.
{ "filepath": "packages/next/src/server/lib/router-utils/resolve-routes.ts", "language": "typescript", "file_size": 31405, "cut_index": 1331, "middle_length": 229 }
lib/try-to-parse-path' import { extractInterceptionRouteInformation, isInterceptionRouteAppPath, } from '../../../shared/lib/router/utils/interception-routes' import { UNDERSCORE_GLOBAL_ERROR_ROUTE, UNDERSCORE_NOT_FOUND_ROUTE, } from '../../../shared/lib/entry-constants' import { normalizePathSep } from '../../...
, ManifestRouteInfo> pageRoutes: Record<string, ManifestRouteInfo> layoutRoutes: Record<string, ManifestRouteInfo & { slots: string[] }> appRouteHandlerRoutes: Record<string, ManifestRouteInfo> /** Map of redirect source => ManifestRouteInfo */ r
-type-utils' // Internal route info with extracted params for the manifest interface ManifestRouteInfo { path: string groups: { [groupName: string]: Group } } export interface RouteTypesManifest { appRoutes: Record<string
{ "filepath": "packages/next/src/server/lib/router-utils/route-types-utils.ts", "language": "typescript", "file_size": 14018, "cut_index": 921, "middle_length": 229 }
Routes = never\n' } // Generate RedirectRoutes union type if (redirectRoutes.length > 0) { result += `type RedirectRoutes = ${redirectRoutes .map((route) => JSON.stringify(route)) .join(' | ')}\n` } else { result += 'type RedirectRoutes = never\n' } // Generate RewriteRoutes union type...
iteRoutes', ] if (hasAppRouteHandlers) { routeUnionParts.push('AppRouteHandlerRoutes') } result += `type Routes = ${routeUnionParts.join(' | ')}\n` return result } function generateParamTypes(routesManifest: RouteTypesManifest): string {
eRoutes = never\n' } // Only include AppRouteHandlerRoutes in Routes union if there are actual route handlers const routeUnionParts = [ 'AppRoutes', 'PageRoutes', 'LayoutRoutes', 'RedirectRoutes', 'Rewr
{ "filepath": "packages/next/src/server/lib/router-utils/typegen.ts", "language": "typescript", "file_size": 34637, "cut_index": 2151, "middle_length": 229 }
an names defined here. **/ // eslint typescript has a bug with TS enums enum BaseServerSpan { handleRequest = 'BaseServer.handleRequest', run = 'BaseServer.run', pipe = 'BaseServer.pipe', getStaticHTML = 'BaseServer.getStaticHTML', render = 'BaseServer.render', renderToResponseWithComponents = 'BaseServe...
mponents', loadComponents = 'LoadComponents.loadComponents', } enum NextServerSpan { getRequestHandler = 'NextServer.getRequestHandler', getRequestHandlerWithMetadata = 'NextServer.getRequestHandlerWithMetadata', getServer = 'NextServer.getServer'
onse = 'BaseServer.renderErrorToResponse', renderErrorToHTML = 'BaseServer.renderErrorToHTML', render404 = 'BaseServer.render404', } enum LoadComponentsSpan { loadDefaultErrorComponents = 'LoadComponents.loadDefaultErrorCo
{ "filepath": "packages/next/src/server/lib/trace/constants.ts", "language": "typescript", "file_size": 5396, "cut_index": 716, "middle_length": 229 }
h warming up an entry that's * likely going to get evicted before we get to use it anyway. However, we also * don't want to reuse a stale entry for too long so stale entries should be * considered expired/missing in such cache handlers. */ import { LRUCache } from '../lru-cache' import type { CacheEntry, CacheHand...
ree times so that we retry hitting origin (MISS) // and then if it still fails to set after the third we // return the errored content and use expiration of // Math.min(30, entry.expiration) isErrored: boolean errorRetryCount: number // comput
y: CacheEntry // For the default cache we store errored cache // entries and allow them to be used up to 3 times // after that we want to dispose it and try for fresh // If an entry is errored we return no entry // th
{ "filepath": "packages/next/src/server/lib/cache-handlers/default.ts", "language": "typescript", "file_size": 5997, "cut_index": 716, "middle_length": 229 }
xt, type SetIncrementalResponseCacheContext, } from '../../response-cache' import type { LRUCache } from '../lru-cache' import path from '../../../shared/lib/isomorphic/path' import { NEXT_CACHE_TAGS_HEADER, NEXT_DATA_SUFFIX, NEXT_META_SUFFIX, RSC_SEGMENT_SUFFIX, RSC_SEGMENTS_DIR_SUFFIX, RSC_SUFFIX, } fr...
ivate fs: FileSystemCacheContext['fs'] private flushToDisk?: FileSystemCacheContext['flushToDisk'] private serverDistDir: FileSystemCacheContext['serverDistDir'] private revalidatedTags: string[] private static debug: boolean = !!process.env.NEXT_P
rom './memory-cache.external' type FileSystemCacheContext = Omit< CacheHandlerContext, 'fs' | 'serverDistDir' > & { fs: CacheFs serverDistDir: string } export default class FileSystemCache implements CacheHandler { pr
{ "filepath": "packages/next/src/server/lib/incremental-cache/file-system-cache.ts", "language": "typescript", "file_size": 15345, "cut_index": 921, "middle_length": 229 }
CHE_TAGS_HEADER, PRERENDER_REVALIDATE_HEADER, } from '../../../lib/constants' import { toRoute } from '../to-route' import { SharedCacheControls } from './shared-cache-controls.external' import { getResumeDataCache, workUnitAsyncStorage, } from '../../app-render/work-unit-async-storage.external' import { Invarian...
t { fs?: CacheFs dev?: boolean flushToDisk?: boolean serverDistDir?: string maxMemoryCacheSize?: number fetchCacheKeyPrefix?: string prerenderManifest?: PrerenderManifest revalidatedTags: string[] _requestHeaders: IncrementalCache['reques
ge } from '../../app-render/work-async-storage.external' import { DetachedPromise } from '../../../lib/detached-promise' import { areTagsExpired, areTagsStale } from './tags-manifest.external' export interface CacheHandlerContex
{ "filepath": "packages/next/src/server/lib/incremental-cache/index.ts", "language": "typescript", "file_size": 24307, "cut_index": 1331, "middle_length": 229 }
ild' import type { DeepReadonly } from '../../../shared/lib/deep-readonly' import type { CacheControl } from '../cache-control' /** * A shared cache of cache controls for routes. This cache is used so we don't * have to modify the prerender manifest when we want to update the cache * control for a route. */ export...
Pick<PrerenderManifest, 'routes' | 'dynamicRoutes'> > ) {} /** * Try to get the cache control value for a route. This will first try to get * the value from the in-memory cache. If the value is not present in the * in-memory cache, i
nly cacheControls = new Map<string, CacheControl>() constructor( /** * The prerender manifest that contains the initial cache controls for * routes. */ private readonly prerenderManifest: DeepReadonly<
{ "filepath": "packages/next/src/server/lib/incremental-cache/shared-cache-controls.external.ts", "language": "typescript", "file_size": 2826, "cut_index": 563, "middle_length": 229 }
./../../lib/is-error' import { INSTRUMENTATION_HOOK_FILENAME } from '../../../lib/constants' import type { InstrumentationModule, InstrumentationOnRequestError, } from '../../instrumentation/types' import { interopDefault } from '../../../lib/interop-default' import { afterRegistration as extendInstrumentationAfter...
.join( projectDir, distDir, 'server', `${INSTRUMENTATION_HOOK_FILENAME}.js` ) ) ) return cachedInstrumentationModule } catch (err: unknown) { if ( isError(err) && err.code !==
: string ): Promise<InstrumentationModule | undefined> { if (cachedInstrumentationModule) { return cachedInstrumentationModule } try { cachedInstrumentationModule = interopDefault( await require( path
{ "filepath": "packages/next/src/server/lib/router-utils/instrumentation-globals.external.ts", "language": "typescript", "file_size": 2742, "cut_index": 563, "middle_length": 229 }
../base-http/node' import type { WebNextRequest } from '../../../base-http/web' import type { Writable } from 'node:stream' import { getRequestMeta } from '../../../request-meta' import { fromNodeOutgoingHttpHeaders } from '../../utils' import { NextRequest } from '../request' import { isNodeNextRequest, isWebNextRequ...
eateAbortController(response: Writable): AbortController { const controller = new AbortController() // If `finish` fires first, then `res.end()` has been called and the close is // just us finishing the stream on our side. If `close` fires first, th
* Creates an AbortController tied to the closing of a ServerResponse (or other * appropriate Writable). * * If the `close` event is fired before the `finish` event, then we'll send the * `abort` signal. */ export function cr
{ "filepath": "packages/next/src/server/web/spec-extension/adapters/next-request.ts", "language": "typescript", "file_size": 4924, "cut_index": 614, "middle_length": 229 }
esAdapter, MutableRequestCookiesAdapter, } from './request-cookies' describe('RequestCookiesAdapter', () => { it('should be able to create a new instance from a RequestCookies', () => { const headers = new Headers({ cookie: 'foo=bar; bar=foo' }) const cookies = new RequestCookies(headers) const sealed...
any).delete('foo')).toThrow( ReadonlyRequestCookiesError ) expect(() => (sealed as any).clear()).toThrow(ReadonlyRequestCookiesError) // Ensure nothing was actually changed. expect(sealed.get('foo')).toEqual({ name: 'foo', value: 'ba
qual({ name: 'bar', value: 'foo' }) // These methods are not available on the sealed instance expect(() => (sealed as any).set('foo', 'bar2')).toThrow( ReadonlyRequestCookiesError ) expect(() => (sealed as
{ "filepath": "packages/next/src/server/web/spec-extension/adapters/request-cookies.test.ts", "language": "typescript", "file_size": 5914, "cut_index": 716, "middle_length": 229 }
e.external' import type { RequestStore } from '../../../app-render/work-unit-async-storage.external' import { ActionDidRevalidateStaticAndDynamic } from '../../../../shared/lib/action-revalidation-kind' /** * @internal */ export class ReadonlyRequestCookiesError extends Error { constructor() { super( 'Co...
methods, // we want to return the request cookie if it exists. For mutative methods like `.set()`, // we want to return the response cookie. export type ReadonlyRequestCookies = Omit< RequestCookies, 'set' | 'clear' | 'delete' > & Pick<ResponseCookie
w new ReadonlyRequestCookiesError() } } // We use this to type some APIs but we don't construct instances directly export type { ResponseCookies } // The `cookies()` API is a mix of request and response cookies. For `.get()`
{ "filepath": "packages/next/src/server/web/spec-extension/adapters/request-cookies.ts", "language": "typescript", "file_size": 7177, "cut_index": 716, "middle_length": 229 }
{ validateURL } from '../utils' jest.mock('../utils', () => ({ ...jest.requireActual('../utils'), validateURL: jest.fn(jest.requireActual('../utils').validateURL), })) const mockedValidateURL = jest.mocked(validateURL) describe('Next.js sandbox Request constructor', () => { let moduleContext: any beforeEac...
const { Request: NextRequest } = moduleContext.runtime.context const originalRequest = new NextRequest('https://example.com', { method: 'POST', }) expect(originalRequest.method).toBe('POST') const copiedRequest = new NextRequest(ori
he: false, distDir: '/tmp', edgeFunctionEntry: { assets: [], wasm: [], env: {}, }, }) }) it('should preserve Request method when copying Request in Next.js context', () => {
{ "filepath": "packages/next/src/server/web/sandbox/context.test.ts", "language": "typescript", "file_size": 2190, "cut_index": 563, "middle_length": 229 }
mplementation from 'node:assert' import UtilImplementation from 'node:util' import AsyncHooksImplementation from 'node:async_hooks' import { intervalsManager, timeoutsManager } from './resource-managers' import { createLocalRequestContext } from '../../after/builtin-request-context' import { patchErrorInspectEdgeLite...
equire('../../dev/node-stack-frames') as typeof import('../../dev/node-stack-frames') as typeof import('../../dev/node-stack-frames') ).getServerError decorateServerError = ( require('../../../shared/lib/error-source') as typeof import('../../../sh
typeof import('../../dev/node-stack-frames').getServerError let decorateServerError: typeof import('../../../shared/lib/error-source').decorateServerError if (process.env.NODE_ENV === 'development') { getServerError = ( r
{ "filepath": "packages/next/src/server/web/sandbox/context.ts", "language": "typescript", "file_size": 17605, "cut_index": 1331, "middle_length": 229 }
{ EdgeFunctionDefinition } from '../../../build/webpack/plugins/middleware-plugin' import { createReadStream, promises as fs } from 'fs' import { requestToBodyStream } from '../../body-streams' import { resolve } from 'path' /** * Short-circuits the `fetch` function * to return a stream for a given asset, if a user ...
'blob:')) { return } const name = inputString.replace('blob:', '') const asset = options.assets ? options.assets.find((x) => x.name === name) : { name, filePath: name, } if (!asset) { return } const fileP
sets: EdgeFunctionDefinition['assets'] context: { Response: typeof Response; ReadableStream: typeof ReadableStream } }): Promise<Response | undefined> { const inputString = String(options.input) if (!inputString.startsWith(
{ "filepath": "packages/next/src/server/web/sandbox/fetch-inline-assets.ts", "language": "typescript", "file_size": 1344, "cut_index": 524, "middle_length": 229 }
resources: T[] = [] abstract create(resourceArgs: Args): T abstract destroy(resource: T): void add(resourceArgs: Args) { const resource = this.create(resourceArgs) this.resources.push(resource) return resource } remove(resource: T) { this.resources = this.resources.filter((r) => r !== reso...
rInterval(interval) } } class TimeoutsManager extends ResourceManager< number, Parameters<typeof setTimeout> > { create(args: Parameters<typeof setTimeout>) { // TODO: use the edge runtime provided `setTimeout` instead return webSetTimeout
ters<typeof setInterval> > { create(args: Parameters<typeof setInterval>) { // TODO: use the edge runtime provided `setInterval` instead return webSetIntervalPolyfill(...args) } destroy(interval: number) { clea
{ "filepath": "packages/next/src/server/web/sandbox/resource-managers.ts", "language": "typescript", "file_size": 2622, "cut_index": 563, "middle_length": 229 }
st/compiled/edge-runtime' import { getModuleContext, requestStore, edgeSandboxNextRequestContext, } from './context' import { requestToBodyStream } from '../../body-streams' import type { ServerComponentsHmrCache } from '../../response-cache' import { getBuiltinRequestContext, type BuiltinRequestContextValue,...
) => void onWarning?: (warn: Error) => void paths: string[] request: NodejsRequestData useCache: boolean edgeFunctionEntry: Pick<EdgeFunctionDefinition, 'assets' | 'wasm' | 'env'> distDir: string incrementalCache?: any serverComponentsHmrCa
'../adapter' export const ErrorSource = Symbol('SandboxError') const FORBIDDEN_HEADERS = [ 'content-length', 'content-encoding', 'transfer-encoding', ] interface RunnerFnParams { name: string onError?: (err: unknown
{ "filepath": "packages/next/src/server/web/sandbox/sandbox.ts", "language": "typescript", "file_size": 5327, "cut_index": 716, "middle_length": 229 }
const NEXT_TS_ERRORS = { INVALID_SERVER_API: 71001, INVALID_ENTRY_EXPORT: 71002, INVALID_OPTION_VALUE: 71003, MISPLACED_ENTRY_DIRECTIVE: 71004, INVALID_PAGE_PROP: 71005, INVALID_CONFIG_OPTION: 71006, INVALID_CLIENT_ENTRY_PROP: 71007, INVALID_METADATA_EXPORT: 71008, INVALID_ERROR_COMPONENT: 71009, I...
erativeHandle', 'useInsertionEffect', 'useReducer', 'useRef', 'useSyncExternalStore', 'useTransition', 'Component', 'PureComponent', 'createContext', 'createFactory', 'experimental_useOptimistic', 'useOptimistic', 'useActionState',
'generateViewport', ] export const LEGACY_CONFIG_EXPORT = 'config' export const DISALLOWED_SERVER_REACT_APIS: string[] = [ 'useState', 'useEffect', 'useEffectEvent', 'useLayoutEffect', 'useDeferredValue', 'useImp
{ "filepath": "packages/next/src/server/typescript/constant.ts", "language": "typescript", "file_size": 1226, "cut_index": 518, "middle_length": 229 }
port, isPositionInsideNode, getSource, isInsideApp, } from './utils' import { NEXT_TS_ERRORS } from './constant' import entryConfig from './rules/config' import serverLayer from './rules/server' import entryDefault from './rules/entry' import clientBoundary from './rules/client-boundary' import serverBoundary fr...
/ e.g. { "plugins": [{ "name": "next", "enabled": true }] } // config will be { "name": "next", "enabled": true } // The default user config is { "name": "next" } const isPluginEnabled = info.config.enabled ?? true if (!isPluginEnabled) {
gin: tsModule.server.PluginModuleFactory = ({ typescript: ts, }) => { function create(info: tsModule.server.PluginCreateInfo) { // Get plugin options // config is the plugin options from the user's tsconfig.json /
{ "filepath": "packages/next/src/server/typescript/index.ts", "language": "typescript", "file_size": 10262, "cut_index": 921, "middle_length": 229 }
typeof import('typescript/lib/tsserverlibrary') let ts: TypeScript let info: tsModule.server.PluginCreateInfo let appDirRegExp: RegExp export function log(message: string) { info.project.projectService.logger.info('[next] ' + message) } // This function has to be called initially. export function init(opts: { ts...
getTypeChecker() { const program = info.languageService.getProgram() if (!program) { log('Failed to get program while while running getTypeChecker.') return } const typeChecker = program.getTypeChecker() if (!typeChecker) { log('Faile
(projectDir + '(/src)?/app').replace(/[\\/]/g, '[\\/]') ) log('Initialized Next.js TypeScript plugin: ' + projectDir) } export function getTs() { return ts } export function getInfo() { return info } export function
{ "filepath": "packages/next/src/server/typescript/utils.ts", "language": "typescript", "file_size": 4855, "cut_index": 614, "middle_length": 229 }