414 lines
19 KiB
JavaScript
414 lines
19 KiB
JavaScript
import { promises as fs } from 'fs';
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import { LRUCache } from '../../server/lib/lru-cache';
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import { extractExportedConstValue, UnsupportedValueError } from './extract-const-value';
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import { parseModule } from './parse-module';
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import * as Log from '../output/log';
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import { SERVER_RUNTIME } from '../../lib/constants';
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import { tryToParsePath } from '../../lib/try-to-parse-path';
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import { isAPIRoute } from '../../lib/is-api-route';
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import { isEdgeRuntime } from '../../lib/is-edge-runtime';
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import { RSC_MODULE_TYPES } from '../../shared/lib/constants';
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import { PAGE_TYPES } from '../../lib/page-types';
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import { AppSegmentConfigSchemaKeys, parseAppSegmentConfig } from '../segment-config/app/app-segment-config';
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import { reportZodError } from '../../shared/lib/zod';
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import { PagesSegmentConfigSchemaKeys, parsePagesSegmentConfig } from '../segment-config/pages/pages-segment-config';
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import { MiddlewareConfigInputSchema, SourceSchema } from '../segment-config/middleware/middleware-config';
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import { normalizeAppPath } from '../../shared/lib/router/utils/app-paths';
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import { normalizePagePath } from '../../shared/lib/page-path/normalize-page-path';
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const PARSE_PATTERN = /(?<!(_jsx|jsx-))runtime|preferredRegion|getStaticProps|getServerSideProps|generateStaticParams|export const|generateImageMetadata|generateSitemaps/;
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const CLIENT_MODULE_LABEL = /\/\* __next_internal_client_entry_do_not_use__ ([^ ]*) (cjs|auto) \*\//;
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const ACTION_MODULE_LABEL = /\/\* __next_internal_action_entry_do_not_use__ (\{[^}]+\}) \*\//;
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const CLIENT_DIRECTIVE = 'use client';
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const SERVER_ACTION_DIRECTIVE = 'use server';
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export function getRSCModuleInformation(source, isReactServerLayer) {
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const actionsJson = source.match(ACTION_MODULE_LABEL);
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const parsedActionsMeta = actionsJson ? JSON.parse(actionsJson[1]) : undefined;
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const clientInfoMatch = source.match(CLIENT_MODULE_LABEL);
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const isClientRef = !!clientInfoMatch;
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if (!isReactServerLayer) {
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return {
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type: RSC_MODULE_TYPES.client,
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actionIds: parsedActionsMeta,
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isClientRef
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};
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}
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const clientRefsString = clientInfoMatch == null ? void 0 : clientInfoMatch[1];
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const clientRefs = clientRefsString ? clientRefsString.split(',') : [];
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const clientEntryType = clientInfoMatch == null ? void 0 : clientInfoMatch[2];
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const type = clientInfoMatch ? RSC_MODULE_TYPES.client : RSC_MODULE_TYPES.server;
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return {
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type,
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actionIds: parsedActionsMeta,
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clientRefs,
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clientEntryType,
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isClientRef
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};
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}
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/**
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* Receives a parsed AST from SWC and checks if it belongs to a module that
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* requires a runtime to be specified. Those are:
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* - Modules with `export function getStaticProps | getServerSideProps`
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* - Modules with `export { getStaticProps | getServerSideProps } <from ...>`
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* - Modules with `export const runtime = ...`
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*/ function checkExports(ast, expectedExports, page) {
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const exportsSet = new Set([
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'getStaticProps',
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'getServerSideProps',
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'generateImageMetadata',
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'generateSitemaps',
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'generateStaticParams'
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]);
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if (!Array.isArray(ast == null ? void 0 : ast.body)) {
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return {};
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}
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try {
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let getStaticProps = false;
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let getServerSideProps = false;
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let generateImageMetadata = false;
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let generateSitemaps = false;
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let generateStaticParams = false;
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let exports = new Set();
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let directives = new Set();
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let hasLeadingNonDirectiveNode = false;
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for (const node of ast.body){
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var _node_declaration, _node_declaration1, _node_declaration_identifier, _node_declaration2;
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// There should be no non-string literals nodes before directives
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if (node.type === 'ExpressionStatement' && node.expression.type === 'StringLiteral') {
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if (!hasLeadingNonDirectiveNode) {
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const directive = node.expression.value;
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if (CLIENT_DIRECTIVE === directive) {
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directives.add('client');
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}
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if (SERVER_ACTION_DIRECTIVE === directive) {
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directives.add('server');
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}
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}
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} else {
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hasLeadingNonDirectiveNode = true;
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}
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if (node.type === 'ExportDeclaration' && ((_node_declaration = node.declaration) == null ? void 0 : _node_declaration.type) === 'VariableDeclaration') {
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var _node_declaration3;
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for (const declaration of (_node_declaration3 = node.declaration) == null ? void 0 : _node_declaration3.declarations){
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if (expectedExports.includes(declaration.id.value)) {
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exports.add(declaration.id.value);
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}
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}
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}
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if (node.type === 'ExportDeclaration' && ((_node_declaration1 = node.declaration) == null ? void 0 : _node_declaration1.type) === 'FunctionDeclaration' && exportsSet.has((_node_declaration_identifier = node.declaration.identifier) == null ? void 0 : _node_declaration_identifier.value)) {
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const id = node.declaration.identifier.value;
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getServerSideProps = id === 'getServerSideProps';
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getStaticProps = id === 'getStaticProps';
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generateImageMetadata = id === 'generateImageMetadata';
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generateSitemaps = id === 'generateSitemaps';
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generateStaticParams = id === 'generateStaticParams';
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}
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if (node.type === 'ExportDeclaration' && ((_node_declaration2 = node.declaration) == null ? void 0 : _node_declaration2.type) === 'VariableDeclaration') {
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var _node_declaration_declarations_, _node_declaration4;
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const id = (_node_declaration4 = node.declaration) == null ? void 0 : (_node_declaration_declarations_ = _node_declaration4.declarations[0]) == null ? void 0 : _node_declaration_declarations_.id.value;
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if (exportsSet.has(id)) {
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getServerSideProps = id === 'getServerSideProps';
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getStaticProps = id === 'getStaticProps';
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generateImageMetadata = id === 'generateImageMetadata';
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generateSitemaps = id === 'generateSitemaps';
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generateStaticParams = id === 'generateStaticParams';
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}
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}
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if (node.type === 'ExportNamedDeclaration') {
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for (const specifier of node.specifiers){
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var _specifier_orig;
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if (specifier.type === 'ExportSpecifier' && ((_specifier_orig = specifier.orig) == null ? void 0 : _specifier_orig.type) === 'Identifier') {
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const value = specifier.orig.value;
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if (!getServerSideProps && value === 'getServerSideProps') {
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getServerSideProps = true;
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}
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if (!getStaticProps && value === 'getStaticProps') {
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getStaticProps = true;
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}
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if (!generateImageMetadata && value === 'generateImageMetadata') {
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generateImageMetadata = true;
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}
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if (!generateSitemaps && value === 'generateSitemaps') {
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generateSitemaps = true;
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}
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if (!generateStaticParams && value === 'generateStaticParams') {
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generateStaticParams = true;
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}
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if (expectedExports.includes(value) && !exports.has(value)) {
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// An export was found that was actually a re-export, and not a
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// literal value. We should warn here.
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Log.warn(`Next.js can't recognize the exported \`${value}\` field in "${page}", it may be re-exported from another file. The default config will be used instead.`);
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}
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}
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}
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}
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}
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return {
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getStaticProps,
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getServerSideProps,
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generateImageMetadata,
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generateSitemaps,
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generateStaticParams,
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directives,
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exports
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};
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} catch {}
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return {};
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}
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async function tryToReadFile(filePath, shouldThrow) {
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try {
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return await fs.readFile(filePath, {
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encoding: 'utf8'
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});
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} catch (error) {
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if (shouldThrow) {
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error.message = `Next.js ERROR: Failed to read file ${filePath}:\n${error.message}`;
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throw error;
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}
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}
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}
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/**
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* @internal - required to exclude zod types from the build
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*/ export function getMiddlewareMatchers(matcherOrMatchers, nextConfig) {
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const matchers = Array.isArray(matcherOrMatchers) ? matcherOrMatchers : [
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matcherOrMatchers
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];
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const { i18n } = nextConfig;
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return matchers.map((matcher)=>{
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matcher = typeof matcher === 'string' ? {
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source: matcher
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} : matcher;
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const originalSource = matcher.source;
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let { source, ...rest } = matcher;
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const isRoot = source === '/';
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if ((i18n == null ? void 0 : i18n.locales) && matcher.locale !== false) {
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source = `/:nextInternalLocale((?!_next/)[^/.]{1,})${isRoot ? '' : source}`;
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}
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source = `/:nextData(_next/data/[^/]{1,})?${source}${isRoot ? `(${nextConfig.i18n ? '|\\.json|' : ''}/?index|/?index\\.json)?` : '{(\\.json)}?'}`;
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if (nextConfig.basePath) {
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source = `${nextConfig.basePath}${source}`;
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}
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// Validate that the source is still.
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const result = SourceSchema.safeParse(source);
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if (!result.success) {
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reportZodError('Failed to parse middleware source', result.error);
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// We need to exit here because middleware being built occurs before we
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// finish setting up the server. Exiting here is the only way to ensure
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// that we don't hang.
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process.exit(1);
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}
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return {
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...rest,
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// We know that parsed.regexStr is not undefined because we already
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// checked that the source is valid.
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regexp: tryToParsePath(result.data).regexStr,
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originalSource: originalSource || source
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};
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});
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}
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function parseMiddlewareConfig(page, rawConfig, nextConfig) {
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// If there's no config to parse, then return nothing.
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if (typeof rawConfig !== 'object' || !rawConfig) return {};
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const input = MiddlewareConfigInputSchema.safeParse(rawConfig);
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if (!input.success) {
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reportZodError(`${page} contains invalid middleware config`, input.error);
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// We need to exit here because middleware being built occurs before we
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// finish setting up the server. Exiting here is the only way to ensure
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// that we don't hang.
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process.exit(1);
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}
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const config = {};
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if (input.data.matcher) {
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config.matchers = getMiddlewareMatchers(input.data.matcher, nextConfig);
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}
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if (input.data.unstable_allowDynamic) {
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config.unstable_allowDynamic = Array.isArray(input.data.unstable_allowDynamic) ? input.data.unstable_allowDynamic : [
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input.data.unstable_allowDynamic
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];
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}
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if (input.data.regions) {
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config.regions = input.data.regions;
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}
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return config;
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}
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const apiRouteWarnings = new LRUCache(250);
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function warnAboutExperimentalEdge(apiRoute) {
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if (process.env.NODE_ENV === 'production' && process.env.NEXT_PRIVATE_BUILD_WORKER === '1') {
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return;
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}
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if (apiRouteWarnings.has(apiRoute)) {
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return;
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}
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Log.warn(apiRoute ? `${apiRoute} provided runtime 'experimental-edge'. It can be updated to 'edge' instead.` : `You are using an experimental edge runtime, the API might change.`);
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apiRouteWarnings.set(apiRoute, 1);
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}
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export let hadUnsupportedValue = false;
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const warnedUnsupportedValueMap = new LRUCache(250, ()=>1);
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function warnAboutUnsupportedValue(pageFilePath, page, error) {
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hadUnsupportedValue = true;
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const isProductionBuild = process.env.NODE_ENV === 'production';
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if (// we only log for the server compilation so it's not
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// duplicated due to webpack build worker having fresh
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// module scope for each compiler
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process.env.NEXT_COMPILER_NAME !== 'server' || isProductionBuild && warnedUnsupportedValueMap.has(pageFilePath)) {
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return;
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}
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warnedUnsupportedValueMap.set(pageFilePath, true);
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const message = `Next.js can't recognize the exported \`config\` field in ` + (page ? `route "${page}"` : `"${pageFilePath}"`) + ':\n' + error.message + (error.path ? ` at "${error.path}"` : '') + '.\n' + 'Read More - https://nextjs.org/docs/messages/invalid-page-config';
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// for a build we use `Log.error` instead of throwing
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// so that all errors can be logged before exiting the process
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if (isProductionBuild) {
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Log.error(message);
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} else {
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throw Object.defineProperty(new Error(message), "__NEXT_ERROR_CODE", {
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value: "E394",
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enumerable: false,
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configurable: true
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});
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}
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}
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export async function getAppPageStaticInfo({ pageFilePath, nextConfig, isDev, page }) {
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const content = await tryToReadFile(pageFilePath, !isDev);
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if (!content || !PARSE_PATTERN.test(content)) {
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return {
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type: PAGE_TYPES.APP,
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config: undefined,
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runtime: undefined,
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preferredRegion: undefined,
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maxDuration: undefined
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};
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}
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const ast = await parseModule(pageFilePath, content);
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const { generateStaticParams, generateImageMetadata, generateSitemaps, exports, directives } = checkExports(ast, AppSegmentConfigSchemaKeys, page);
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const { type: rsc } = getRSCModuleInformation(content, true);
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const exportedConfig = {};
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if (exports) {
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for (const property of exports){
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try {
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exportedConfig[property] = extractExportedConstValue(ast, property);
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} catch (e) {
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if (e instanceof UnsupportedValueError) {
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warnAboutUnsupportedValue(pageFilePath, page, e);
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}
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}
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}
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}
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try {
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exportedConfig.config = extractExportedConstValue(ast, 'config');
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} catch (e) {
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if (e instanceof UnsupportedValueError) {
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warnAboutUnsupportedValue(pageFilePath, page, e);
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}
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// `export config` doesn't exist, or other unknown error thrown by swc, silence them
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}
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const route = normalizeAppPath(page);
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const config = parseAppSegmentConfig(exportedConfig, route);
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// Prevent edge runtime and generateStaticParams in the same file.
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if (isEdgeRuntime(config.runtime) && generateStaticParams) {
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throw Object.defineProperty(new Error(`Page "${page}" cannot use both \`export const runtime = 'edge'\` and export \`generateStaticParams\`.`), "__NEXT_ERROR_CODE", {
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value: "E42",
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enumerable: false,
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configurable: true
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});
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}
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// Prevent use client and generateStaticParams in the same file.
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if ((directives == null ? void 0 : directives.has('client')) && generateStaticParams) {
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throw Object.defineProperty(new Error(`Page "${page}" cannot use both "use client" and export function "generateStaticParams()".`), "__NEXT_ERROR_CODE", {
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value: "E475",
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enumerable: false,
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configurable: true
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});
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}
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return {
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type: PAGE_TYPES.APP,
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rsc,
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generateImageMetadata,
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generateSitemaps,
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generateStaticParams,
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config,
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middleware: parseMiddlewareConfig(page, exportedConfig.config, nextConfig),
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runtime: config.runtime,
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preferredRegion: config.preferredRegion,
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maxDuration: config.maxDuration
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};
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}
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export async function getPagesPageStaticInfo({ pageFilePath, nextConfig, isDev, page }) {
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var _config_config, _config_config1, _config_config2;
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const content = await tryToReadFile(pageFilePath, !isDev);
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if (!content || !PARSE_PATTERN.test(content)) {
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return {
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type: PAGE_TYPES.PAGES,
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config: undefined,
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runtime: undefined,
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preferredRegion: undefined,
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maxDuration: undefined
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};
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}
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const ast = await parseModule(pageFilePath, content);
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const { getServerSideProps, getStaticProps, exports } = checkExports(ast, PagesSegmentConfigSchemaKeys, page);
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const { type: rsc } = getRSCModuleInformation(content, true);
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const exportedConfig = {};
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if (exports) {
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for (const property of exports){
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try {
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exportedConfig[property] = extractExportedConstValue(ast, property);
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} catch (e) {
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if (e instanceof UnsupportedValueError) {
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warnAboutUnsupportedValue(pageFilePath, page, e);
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}
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}
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}
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}
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try {
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exportedConfig.config = extractExportedConstValue(ast, 'config');
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} catch (e) {
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if (e instanceof UnsupportedValueError) {
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warnAboutUnsupportedValue(pageFilePath, page, e);
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}
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// `export config` doesn't exist, or other unknown error thrown by swc, silence them
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}
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// Validate the config.
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const route = normalizePagePath(page);
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const config = parsePagesSegmentConfig(exportedConfig, route);
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const isAnAPIRoute = isAPIRoute(route);
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const resolvedRuntime = config.runtime ?? ((_config_config = config.config) == null ? void 0 : _config_config.runtime);
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if (resolvedRuntime === SERVER_RUNTIME.experimentalEdge) {
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warnAboutExperimentalEdge(isAnAPIRoute ? page : null);
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}
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if (resolvedRuntime === SERVER_RUNTIME.edge && page && !isAnAPIRoute) {
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const message = `Page ${page} provided runtime 'edge', the edge runtime for rendering is currently experimental. Use runtime 'experimental-edge' instead.`;
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if (isDev) {
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Log.error(message);
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} else {
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throw Object.defineProperty(new Error(message), "__NEXT_ERROR_CODE", {
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value: "E394",
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enumerable: false,
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configurable: true
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});
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}
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}
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return {
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type: PAGE_TYPES.PAGES,
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getStaticProps,
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getServerSideProps,
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rsc,
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config,
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middleware: parseMiddlewareConfig(page, exportedConfig.config, nextConfig),
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runtime: resolvedRuntime,
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preferredRegion: (_config_config1 = config.config) == null ? void 0 : _config_config1.regions,
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maxDuration: config.maxDuration ?? ((_config_config2 = config.config) == null ? void 0 : _config_config2.maxDuration)
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};
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}
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/**
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* For a given pageFilePath and nextConfig, if the config supports it, this
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* function will read the file and return the runtime that should be used.
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* It will look into the file content only if the page *requires* a runtime
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* to be specified, that is, when gSSP or gSP is used.
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* Related discussion: https://github.com/vercel/next.js/discussions/34179
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*/ export async function getPageStaticInfo(params) {
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if (params.pageType === PAGE_TYPES.APP) {
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return getAppPageStaticInfo(params);
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}
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return getPagesPageStaticInfo(params);
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}
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//# sourceMappingURL=get-page-static-info.js.map
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