import path from 'path';
import { DOT_NEXT_ALIAS, PAGES_DIR_ALIAS, ROOT_DIR_ALIAS, APP_DIR_ALIAS, RSC_ACTION_PROXY_ALIAS, RSC_ACTION_CLIENT_WRAPPER_ALIAS, RSC_ACTION_VALIDATE_ALIAS, RSC_ACTION_ENCRYPTION_ALIAS } from '../lib/constants';
import { defaultOverrides } from '../server/require-hook';
import { NEXT_PROJECT_ROOT, hasExternalOtelApiPackage } from './webpack-config';
import { WEBPACK_LAYERS } from '../lib/constants';
export function createWebpackAliases({ distDir, isClient, isEdgeServer, isNodeServer, dev, config, pagesDir, appDir, dir, reactProductionProfiling, hasRewrites }) {
    const pageExtensions = config.pageExtensions;
    const clientResolveRewrites = require.resolve('../shared/lib/router/utils/resolve-rewrites');
    const customAppAliases = {};
    const customDocumentAliases = {};
    // tell webpack where to look for _app and _document
    // using aliases to allow falling back to the default
    // version when removed or not present
    if (dev) {
        const nextDistPath = 'next/dist/' + (isEdgeServer ? 'esm/' : '');
        customAppAliases[`${PAGES_DIR_ALIAS}/_app`] = [
            ...pagesDir ? pageExtensions.reduce((prev, ext)=>{
                prev.push(path.join(pagesDir, `_app.${ext}`));
                return prev;
            }, []) : [],
            `${nextDistPath}pages/_app.js`
        ];
        customAppAliases[`${PAGES_DIR_ALIAS}/_error`] = [
            ...pagesDir ? pageExtensions.reduce((prev, ext)=>{
                prev.push(path.join(pagesDir, `_error.${ext}`));
                return prev;
            }, []) : [],
            `${nextDistPath}pages/_error.js`
        ];
        customDocumentAliases[`${PAGES_DIR_ALIAS}/_document`] = [
            ...pagesDir ? pageExtensions.reduce((prev, ext)=>{
                prev.push(path.join(pagesDir, `_document.${ext}`));
                return prev;
            }, []) : [],
            `${nextDistPath}pages/_document.js`
        ];
    }
    return {
        '@vercel/og$': 'next/dist/server/og/image-response',
        // Alias next/dist imports to next/dist/esm assets,
        // let this alias hit before `next` alias.
        ...isEdgeServer ? {
            'next/dist/api': 'next/dist/esm/api',
            'next/dist/build': 'next/dist/esm/build',
            'next/dist/client': 'next/dist/esm/client',
            'next/dist/shared': 'next/dist/esm/shared',
            'next/dist/pages': 'next/dist/esm/pages',
            'next/dist/lib': 'next/dist/esm/lib',
            'next/dist/server': 'next/dist/esm/server',
            ...createNextApiEsmAliases()
        } : undefined,
        // For RSC server bundle
        ...!hasExternalOtelApiPackage() && {
            '@opentelemetry/api': 'next/dist/compiled/@opentelemetry/api'
        },
        ...config.images.loaderFile ? {
            'next/dist/shared/lib/image-loader': config.images.loaderFile,
            ...isEdgeServer && {
                'next/dist/esm/shared/lib/image-loader': config.images.loaderFile
            }
        } : undefined,
        'styled-jsx/style$': defaultOverrides['styled-jsx/style'],
        'styled-jsx$': defaultOverrides['styled-jsx'],
        ...customAppAliases,
        ...customDocumentAliases,
        ...pagesDir ? {
            [PAGES_DIR_ALIAS]: pagesDir
        } : {},
        ...appDir ? {
            [APP_DIR_ALIAS]: appDir
        } : {},
        [ROOT_DIR_ALIAS]: dir,
        [DOT_NEXT_ALIAS]: distDir,
        ...isClient || isEdgeServer ? getOptimizedModuleAliases() : {},
        ...reactProductionProfiling ? getReactProfilingInProduction() : {},
        // For Node server, we need to re-alias the package imports to prefer to
        // resolve to the ESM export.
        ...isNodeServer ? getBarrelOptimizationAliases(config.experimental.optimizePackageImports || []) : {},
        [RSC_ACTION_VALIDATE_ALIAS]: 'next/dist/build/webpack/loaders/next-flight-loader/action-validate',
        [RSC_ACTION_CLIENT_WRAPPER_ALIAS]: 'next/dist/build/webpack/loaders/next-flight-loader/action-client-wrapper',
        [RSC_ACTION_PROXY_ALIAS]: 'next/dist/build/webpack/loaders/next-flight-loader/server-reference',
        [RSC_ACTION_ENCRYPTION_ALIAS]: 'next/dist/server/app-render/encryption',
        ...isClient || isEdgeServer ? {
            [clientResolveRewrites]: hasRewrites ? clientResolveRewrites : false
        } : {},
        '@swc/helpers/_': path.join(path.dirname(require.resolve('@swc/helpers/package.json')), '_'),
        setimmediate: 'next/dist/compiled/setimmediate'
    };
}
export function createServerOnlyClientOnlyAliases(isServer) {
    return isServer ? {
        'server-only$': 'next/dist/compiled/server-only/empty',
        'client-only$': 'next/dist/compiled/client-only/error',
        'next/dist/compiled/server-only$': 'next/dist/compiled/server-only/empty',
        'next/dist/compiled/client-only$': 'next/dist/compiled/client-only/error'
    } : {
        'server-only$': 'next/dist/compiled/server-only/index',
        'client-only$': 'next/dist/compiled/client-only/index',
        'next/dist/compiled/client-only$': 'next/dist/compiled/client-only/index',
        'next/dist/compiled/server-only': 'next/dist/compiled/server-only/index'
    };
}
export function createNextApiEsmAliases() {
    const mapping = {
        head: 'next/dist/api/head',
        image: 'next/dist/api/image',
        constants: 'next/dist/api/constants',
        router: 'next/dist/api/router',
        dynamic: 'next/dist/api/dynamic',
        script: 'next/dist/api/script',
        link: 'next/dist/api/link',
        form: 'next/dist/api/form',
        navigation: 'next/dist/api/navigation',
        headers: 'next/dist/api/headers',
        og: 'next/dist/api/og',
        server: 'next/dist/api/server',
        // pages api
        document: 'next/dist/api/document',
        app: 'next/dist/api/app'
    };
    const aliasMap = {};
    // Handle fully specified imports like `next/image.js`
    for (const [key, value] of Object.entries(mapping)){
        const nextApiFilePath = path.join(NEXT_PROJECT_ROOT, key);
        aliasMap[nextApiFilePath + '.js'] = value;
    }
    return aliasMap;
}
export function createAppRouterApiAliases(isServerOnlyLayer) {
    const mapping = {
        head: 'next/dist/client/components/noop-head',
        dynamic: 'next/dist/api/app-dynamic'
    };
    if (isServerOnlyLayer) {
        mapping['navigation'] = 'next/dist/api/navigation.react-server';
    }
    const aliasMap = {};
    for (const [key, value] of Object.entries(mapping)){
        const nextApiFilePath = path.join(NEXT_PROJECT_ROOT, key);
        aliasMap[nextApiFilePath + '.js'] = value;
    }
    return aliasMap;
}
export function createRSCRendererAliases(bundledReactChannel) {
    return {
        // react-server-dom-webpack alias
        'react-server-dom-webpack/client$': `next/dist/compiled/react-server-dom-webpack${bundledReactChannel}/client`,
        'react-server-dom-webpack/client.edge$': `next/dist/compiled/react-server-dom-webpack${bundledReactChannel}/client.edge`,
        'react-server-dom-webpack/server.edge$': `next/dist/compiled/react-server-dom-webpack${bundledReactChannel}/server.edge`,
        'react-server-dom-webpack/server.node$': `next/dist/compiled/react-server-dom-webpack${bundledReactChannel}/server.node`
    };
}
export function createRSCAliases(bundledReactChannel, { layer, isEdgeServer, reactProductionProfiling }) {
    let alias = {
        react$: `next/dist/compiled/react${bundledReactChannel}`,
        'react-dom$': `next/dist/compiled/react-dom${bundledReactChannel}`,
        'react/jsx-runtime$': `next/dist/compiled/react${bundledReactChannel}/jsx-runtime`,
        'react/jsx-dev-runtime$': `next/dist/compiled/react${bundledReactChannel}/jsx-dev-runtime`,
        'react/compiler-runtime$': `next/dist/compiled/react${bundledReactChannel}/compiler-runtime`,
        'react-dom/client$': `next/dist/compiled/react-dom${bundledReactChannel}/client`,
        'react-dom/server$': `next/dist/compiled/react-dom${bundledReactChannel}/server`,
        'react-dom/server.browser$': `next/dist/compiled/react-dom${bundledReactChannel}/server.browser`,
        'react-dom/static$': `next/dist/compiled/react-dom${bundledReactChannel}/static`,
        'react-dom/static.edge$': `next/dist/compiled/react-dom${bundledReactChannel}/static.edge`,
        'react-dom/static.browser$': `next/dist/compiled/react-dom${bundledReactChannel}/static.browser`,
        // optimizations to ignore the legacy build of react-dom/server in `server.edge` build
        'react-dom/server.edge$': `next/dist/build/webpack/alias/react-dom-server-edge${bundledReactChannel}.js`,
        // react-server-dom-webpack alias
        ...createRSCRendererAliases(bundledReactChannel)
    };
    if (!isEdgeServer) {
        if (layer === WEBPACK_LAYERS.serverSideRendering) {
            alias = Object.assign(alias, {
                'react/jsx-runtime$': `next/dist/server/route-modules/app-page/vendored/${layer}/react-jsx-runtime`,
                'react/jsx-dev-runtime$': `next/dist/server/route-modules/app-page/vendored/${layer}/react-jsx-dev-runtime`,
                'react/compiler-runtime$': `next/dist/server/route-modules/app-page/vendored/${layer}/react-compiler-runtime`,
                react$: `next/dist/server/route-modules/app-page/vendored/${layer}/react`,
                'react-dom$': `next/dist/server/route-modules/app-page/vendored/${layer}/react-dom`,
                'react-server-dom-webpack/client.edge$': `next/dist/server/route-modules/app-page/vendored/${layer}/react-server-dom-webpack-client-edge`
            });
        } else if (layer === WEBPACK_LAYERS.reactServerComponents) {
            alias = Object.assign(alias, {
                'react/jsx-runtime$': `next/dist/server/route-modules/app-page/vendored/${layer}/react-jsx-runtime`,
                'react/jsx-dev-runtime$': `next/dist/server/route-modules/app-page/vendored/${layer}/react-jsx-dev-runtime`,
                'react/compiler-runtime$': `next/dist/server/route-modules/app-page/vendored/${layer}/react-compiler-runtime`,
                react$: `next/dist/server/route-modules/app-page/vendored/${layer}/react`,
                'react-dom$': `next/dist/server/route-modules/app-page/vendored/${layer}/react-dom`,
                'react-server-dom-webpack/server.edge$': `next/dist/server/route-modules/app-page/vendored/${layer}/react-server-dom-webpack-server-edge`,
                'react-server-dom-webpack/server.node$': `next/dist/server/route-modules/app-page/vendored/${layer}/react-server-dom-webpack-server-node`
            });
        }
    }
    if (isEdgeServer) {
        if (layer === WEBPACK_LAYERS.reactServerComponents) {
            alias = Object.assign(alias, {
                react$: `next/dist/compiled/react${bundledReactChannel}/react.react-server`,
                'next/dist/compiled/react$': `next/dist/compiled/react${bundledReactChannel}/react.react-server`,
                'next/dist/compiled/react-experimental$': `next/dist/compiled/react-experimental/react.react-server`,
                'react/jsx-runtime$': `next/dist/compiled/react${bundledReactChannel}/jsx-runtime.react-server`,
                'react/compiler-runtime$': `next/dist/compiled/react${bundledReactChannel}/compiler-runtime`,
                'next/dist/compiled/react/jsx-runtime$': `next/dist/compiled/react${bundledReactChannel}/jsx-runtime.react-server`,
                'next/dist/compiled/react-experimental/jsx-runtime$': `next/dist/compiled/react-experimental/jsx-runtime.react-server`,
                'react/jsx-dev-runtime$': `next/dist/compiled/react${bundledReactChannel}/jsx-dev-runtime.react-server`,
                'next/dist/compiled/react/jsx-dev-runtime$': `next/dist/compiled/react${bundledReactChannel}/jsx-dev-runtime.react-server`,
                'next/dist/compiled/react-experimental/jsx-dev-runtime$': `next/dist/compiled/react-experimental/jsx-dev-runtime.react-server`,
                'react-dom$': `next/dist/compiled/react-dom${bundledReactChannel}/react-dom.react-server`,
                'next/dist/compiled/react-dom$': `next/dist/compiled/react-dom${bundledReactChannel}/react-dom.react-server`,
                'next/dist/compiled/react-dom-experimental$': `next/dist/compiled/react-dom-experimental/react-dom.react-server`
            });
        }
    }
    if (reactProductionProfiling) {
        alias['react-dom/client$'] = `next/dist/compiled/react-dom${bundledReactChannel}/profiling`;
    }
    alias['@vercel/turbopack-ecmascript-runtime/browser/dev/hmr-client/hmr-client.ts'] = `next/dist/client/dev/noop-turbopack-hmr`;
    return alias;
}
// Insert aliases for Next.js stubs of fetch, object-assign, and url
// Keep in sync with insert_optimized_module_aliases in import_map.rs
export function getOptimizedModuleAliases() {
    return {
        unfetch: require.resolve('next/dist/build/polyfills/fetch/index.js'),
        'isomorphic-unfetch': require.resolve('next/dist/build/polyfills/fetch/index.js'),
        'whatwg-fetch': require.resolve('next/dist/build/polyfills/fetch/whatwg-fetch.js'),
        'object-assign': require.resolve('next/dist/build/polyfills/object-assign.js'),
        'object.assign/auto': require.resolve('next/dist/build/polyfills/object.assign/auto.js'),
        'object.assign/implementation': require.resolve('next/dist/build/polyfills/object.assign/implementation.js'),
        'object.assign/polyfill': require.resolve('next/dist/build/polyfills/object.assign/polyfill.js'),
        'object.assign/shim': require.resolve('next/dist/build/polyfills/object.assign/shim.js'),
        url: require.resolve('next/dist/compiled/native-url')
    };
}
// Alias these modules to be resolved with "module" if possible.
function getBarrelOptimizationAliases(packages) {
    const aliases = {};
    const mainFields = [
        'module',
        'main'
    ];
    for (const pkg of packages){
        try {
            const descriptionFileData = require(`${pkg}/package.json`);
            const descriptionFilePath = require.resolve(`${pkg}/package.json`);
            for (const field of mainFields){
                if (descriptionFileData.hasOwnProperty(field)) {
                    aliases[pkg + '$'] = path.join(path.dirname(descriptionFilePath), descriptionFileData[field]);
                    break;
                }
            }
        } catch  {}
    }
    return aliases;
}
function getReactProfilingInProduction() {
    return {
        'react-dom/client$': 'react-dom/profiling'
    };
}

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