.

node_modules/next/dist/esm/build/babel/loader/get-config.js

@@ -0,0 +1,373 @@
+import { readFileSync } from 'node:fs';
+import { inspect } from 'node:util';
+import JSON5 from 'next/dist/compiled/json5';
+import { createConfigItem, loadOptions } from 'next/dist/compiled/babel/core';
+import loadFullConfig from 'next/dist/compiled/babel/core-lib-config';
+import { consumeIterator } from './util';
+import * as Log from '../../output/log';
+import { isReactCompilerRequired } from '../../swc';
+import { installBindings } from '../../swc/install-bindings';
+const nextDistPath = /(next[\\/]dist[\\/]shared[\\/]lib)|(next[\\/]dist[\\/]client)|(next[\\/]dist[\\/]pages)/;
+function shouldSkipBabel(transformMode, configFilePath, hasReactCompiler) {
+    return transformMode === 'standalone' && configFilePath == null && !hasReactCompiler;
+}
+const fileExtensionRegex = /\.([a-z]+)$/;
+async function getCacheCharacteristics(loaderOptions, source, filename) {
+    var _fileExtensionRegex_exec;
+    let isStandalone, isServer, pagesDir;
+    switch(loaderOptions.transformMode){
+        case 'default':
+            isStandalone = false;
+            isServer = loaderOptions.isServer;
+            pagesDir = loaderOptions.pagesDir;
+            break;
+        case 'standalone':
+            isStandalone = true;
+            break;
+        default:
+            throw Object.defineProperty(new Error(`unsupported transformMode in loader options: ${inspect(loaderOptions)}`), "__NEXT_ERROR_CODE", {
+                value: "E811",
+                enumerable: false,
+                configurable: true
+            });
+    }
+    const isPageFile = pagesDir != null && filename.startsWith(pagesDir);
+    const isNextDist = nextDistPath.test(filename);
+    const hasModuleExports = source.indexOf('module.exports') !== -1;
+    const fileExt = ((_fileExtensionRegex_exec = fileExtensionRegex.exec(filename)) == null ? void 0 : _fileExtensionRegex_exec[1]) || 'unknown';
+    let { reactCompilerPlugins, reactCompilerExclude, configFile: configFilePath, transformMode } = loaderOptions;
+    // Compute `hasReactCompiler` as part of the cache characteristics / key,
+    // rather than inside of `getFreshConfig`:
+    // - `isReactCompilerRequired` depends on the file contents
+    // - `node_modules` and `reactCompilerExclude` depend on the file path, which
+    //   isn't part of the cache characteristics
+    let hasReactCompiler = reactCompilerPlugins != null && reactCompilerPlugins.length !== 0 && !loaderOptions.isServer && !/[/\\]node_modules[/\\]/.test(filename) && // Assumption: `reactCompilerExclude` is cheap because it should only
+    // operate on the file path and *not* the file contents (it's sync)
+    !(reactCompilerExclude == null ? void 0 : reactCompilerExclude(filename));
+    // `isReactCompilerRequired` is expensive to run (parses/visits with SWC), so
+    // only run it if there's a good chance we might be able to skip calling Babel
+    // entirely (speculatively call `shouldSkipBabel`).
+    //
+    // Otherwise, we can let react compiler handle this logic for us. It should
+    // behave equivalently.
+    if (hasReactCompiler && shouldSkipBabel(transformMode, configFilePath, /*hasReactCompiler*/ false)) {
+        hasReactCompiler &&= await isReactCompilerRequired(filename);
+    }
+    return {
+        isStandalone,
+        isServer,
+        isPageFile,
+        isNextDist,
+        hasModuleExports,
+        hasReactCompiler,
+        fileExt,
+        configFilePath
+    };
+}
+/**
+ * Return an array of Babel plugins, conditioned upon loader options and
+ * source file characteristics.
+ */ function getPlugins(loaderOptions, cacheCharacteristics) {
+    const { isServer, isPageFile, isNextDist, hasModuleExports } = cacheCharacteristics;
+    const { development, hasReactRefresh } = loaderOptions;
+    const applyCommonJsItem = hasModuleExports ? createConfigItem(require('../plugins/commonjs'), {
+        type: 'plugin'
+    }) : null;
+    const reactRefreshItem = hasReactRefresh ? createConfigItem([
+        require('next/dist/compiled/react-refresh/babel'),
+        {
+            skipEnvCheck: true
+        }
+    ], {
+        type: 'plugin'
+    }) : null;
+    const pageConfigItem = !isServer && isPageFile ? createConfigItem([
+        require('../plugins/next-page-config')
+    ], {
+        type: 'plugin'
+    }) : null;
+    const disallowExportAllItem = !isServer && isPageFile ? createConfigItem([
+        require('../plugins/next-page-disallow-re-export-all-exports')
+    ], {
+        type: 'plugin'
+    }) : null;
+    const transformDefineItem = createConfigItem([
+        require.resolve('next/dist/compiled/babel/plugin-transform-define'),
+        {
+            'process.env.NODE_ENV': development ? 'development' : 'production',
+            'typeof window': isServer ? 'undefined' : 'object',
+            'process.browser': isServer ? false : true
+        },
+        'next-js-transform-define-instance'
+    ], {
+        type: 'plugin'
+    });
+    const nextSsgItem = !isServer && isPageFile ? createConfigItem([
+        require.resolve('../plugins/next-ssg-transform')
+    ], {
+        type: 'plugin'
+    }) : null;
+    const commonJsItem = isNextDist ? createConfigItem(require('next/dist/compiled/babel/plugin-transform-modules-commonjs'), {
+        type: 'plugin'
+    }) : null;
+    const nextFontUnsupported = createConfigItem([
+        require('../plugins/next-font-unsupported')
+    ], {
+        type: 'plugin'
+    });
+    return [
+        reactRefreshItem,
+        pageConfigItem,
+        disallowExportAllItem,
+        applyCommonJsItem,
+        transformDefineItem,
+        nextSsgItem,
+        commonJsItem,
+        nextFontUnsupported
+    ].filter(Boolean);
+}
+const isJsonFile = /\.(json|babelrc)$/;
+const isJsFile = /\.js$/;
+/**
+ * While this function does block execution while reading from disk, it
+ * should not introduce any issues.  The function is only invoked when
+ * generating a fresh config, and only a small handful of configs should
+ * be generated during compilation.
+ */ function getCustomBabelConfig(configFilePath) {
+    if (isJsonFile.exec(configFilePath)) {
+        const babelConfigRaw = readFileSync(configFilePath, 'utf8');
+        return JSON5.parse(babelConfigRaw);
+    } else if (isJsFile.exec(configFilePath)) {
+        return require(configFilePath);
+    }
+    throw Object.defineProperty(new Error('The Next.js Babel loader does not support .mjs or .cjs config files.'), "__NEXT_ERROR_CODE", {
+        value: "E477",
+        enumerable: false,
+        configurable: true
+    });
+}
+let babelConfigWarned = false;
+/**
+ * Check if custom babel configuration from user only contains options that
+ * can be migrated into latest Next.js features supported by SWC.
+ *
+ * This raises soft warning messages only, not making any errors yet.
+ */ function checkCustomBabelConfigDeprecation(config) {
+    if (!config || Object.keys(config).length === 0) {
+        return;
+    }
+    const { plugins, presets, ...otherOptions } = config;
+    if (Object.keys(otherOptions ?? {}).length > 0) {
+        return;
+    }
+    if (babelConfigWarned) {
+        return;
+    }
+    babelConfigWarned = true;
+    const isPresetReadyToDeprecate = !presets || presets.length === 0 || presets.length === 1 && presets[0] === 'next/babel';
+    const pluginReasons = [];
+    const unsupportedPlugins = [];
+    if (Array.isArray(plugins)) {
+        for (const plugin of plugins){
+            const pluginName = Array.isArray(plugin) ? plugin[0] : plugin;
+            // [NOTE]: We cannot detect if the user uses babel-plugin-macro based transform plugins,
+            // such as `styled-components/macro` in here.
+            switch(pluginName){
+                case 'styled-components':
+                case 'babel-plugin-styled-components':
+                    pluginReasons.push(`\t- 'styled-components' can be enabled via 'compiler.styledComponents' in 'next.config.js'`);
+                    break;
+                case '@emotion/babel-plugin':
+                    pluginReasons.push(`\t- '@emotion/babel-plugin' can be enabled via 'compiler.emotion' in 'next.config.js'`);
+                    break;
+                case 'babel-plugin-relay':
+                    pluginReasons.push(`\t- 'babel-plugin-relay' can be enabled via 'compiler.relay' in 'next.config.js'`);
+                    break;
+                case 'react-remove-properties':
+                    pluginReasons.push(`\t- 'react-remove-properties' can be enabled via 'compiler.reactRemoveProperties' in 'next.config.js'`);
+                    break;
+                case 'transform-remove-console':
+                    pluginReasons.push(`\t- 'transform-remove-console' can be enabled via 'compiler.removeConsole' in 'next.config.js'`);
+                    break;
+                default:
+                    unsupportedPlugins.push(pluginName);
+                    break;
+            }
+        }
+    }
+    if (isPresetReadyToDeprecate && unsupportedPlugins.length === 0) {
+        Log.warn(`It looks like there is a custom Babel configuration that can be removed${pluginReasons.length > 0 ? ':' : '.'}`);
+        if (pluginReasons.length > 0) {
+            Log.warn(`Next.js supports the following features natively: `);
+            Log.warn(pluginReasons.join(''));
+            Log.warn(`For more details configuration options, please refer https://nextjs.org/docs/architecture/nextjs-compiler#supported-features`);
+        }
+    }
+}
+/**
+ * Generate a new, flat Babel config, ready to be handed to Babel-traverse.
+ * This config should have no unresolved overrides, presets, etc.
+ *
+ * The config returned by this function is cached, so the function should not
+ * depend on file-specific configuration or configuration that could change
+ * across invocations without a process restart.
+ */ async function getFreshConfig(ctx, cacheCharacteristics, loaderOptions, target) {
+    const { transformMode } = loaderOptions;
+    const { hasReactCompiler, configFilePath, fileExt } = cacheCharacteristics;
+    let customConfig = configFilePath && getCustomBabelConfig(configFilePath);
+    if (shouldSkipBabel(transformMode, configFilePath, hasReactCompiler)) {
+        // Optimization: There's nothing useful to do, bail out and skip babel on
+        // this file
+        return null;
+    }
+    checkCustomBabelConfigDeprecation(customConfig);
+    // We can assume that `reactCompilerPlugins` does not change without a process
+    // restart (it's safe to cache), as it's specified in the `next.config.js`,
+    // which always causes a full restart of `next dev` if changed.
+    const reactCompilerPluginsIfEnabled = hasReactCompiler ? loaderOptions.reactCompilerPlugins ?? [] : [];
+    let isServer, pagesDir, srcDir, development;
+    if (transformMode === 'default') {
+        isServer = loaderOptions.isServer;
+        pagesDir = loaderOptions.pagesDir;
+        srcDir = loaderOptions.srcDir;
+        development = loaderOptions.development;
+    }
+    let options = {
+        babelrc: false,
+        cloneInputAst: false,
+        // Use placeholder file info. `updateBabelConfigWithFileDetails` will
+        // replace this after caching.
+        filename: `basename.${fileExt}`,
+        inputSourceMap: undefined,
+        sourceFileName: `basename.${fileExt}`,
+        // Set the default sourcemap behavior based on Webpack's mapping flag,
+        // but allow users to override if they want.
+        sourceMaps: loaderOptions.sourceMaps === undefined ? ctx.sourceMap : loaderOptions.sourceMaps
+    };
+    const baseCaller = {
+        name: 'next-babel-turbo-loader',
+        supportsStaticESM: true,
+        supportsDynamicImport: true,
+        // Provide plugins with insight into webpack target.
+        // https://github.com/babel/babel-loader/issues/787
+        target,
+        // Webpack 5 supports TLA behind a flag. We enable it by default
+        // for Babel, and then webpack will throw an error if the experimental
+        // flag isn't enabled.
+        supportsTopLevelAwait: true,
+        isServer,
+        srcDir,
+        pagesDir,
+        isDev: development,
+        transformMode,
+        ...loaderOptions.caller
+    };
+    options.plugins = [
+        ...transformMode === 'default' ? getPlugins(loaderOptions, cacheCharacteristics) : [],
+        ...reactCompilerPluginsIfEnabled,
+        ...(customConfig == null ? void 0 : customConfig.plugins) || []
+    ];
+    // target can be provided in babelrc
+    options.target = isServer ? undefined : customConfig == null ? void 0 : customConfig.target;
+    // env can be provided in babelrc
+    options.env = customConfig == null ? void 0 : customConfig.env;
+    options.presets = (()=>{
+        // If presets is defined the user will have next/babel in their babelrc
+        if (customConfig == null ? void 0 : customConfig.presets) {
+            return customConfig.presets;
+        }
+        // If presets is not defined the user will likely have "env" in their babelrc
+        if (customConfig) {
+            return undefined;
+        }
+        // If no custom config is provided the default is to use next/babel
+        return [
+            'next/babel'
+        ];
+    })();
+    options.overrides = loaderOptions.overrides;
+    options.caller = {
+        ...baseCaller,
+        hasJsxRuntime: transformMode === 'default' ? loaderOptions.hasJsxRuntime : undefined
+    };
+    // Babel does strict checks on the config so undefined is not allowed
+    if (typeof options.target === 'undefined') {
+        delete options.target;
+    }
+    Object.defineProperty(options.caller, 'onWarning', {
+        enumerable: false,
+        writable: false,
+        value: (reason)=>{
+            if (!(reason instanceof Error)) {
+                reason = Object.defineProperty(new Error(reason), "__NEXT_ERROR_CODE", {
+                    value: "E394",
+                    enumerable: false,
+                    configurable: true
+                });
+            }
+            ctx.emitWarning(reason);
+        }
+    });
+    const loadedOptions = loadOptions(options);
+    const config = consumeIterator(loadFullConfig(loadedOptions));
+    return config;
+}
+/**
+ * Each key returned here corresponds with a Babel config that can be shared.
+ * The conditions of permissible sharing between files is dependent on specific
+ * file attributes and Next.js compiler states: `CharacteristicsGermaneToCaching`.
+ */ function getCacheKey(cacheCharacteristics) {
+    const { isStandalone, isServer, isPageFile, isNextDist, hasModuleExports, hasReactCompiler, fileExt, configFilePath } = cacheCharacteristics;
+    const flags = 0 | (isStandalone ? 1 : 0) | (isServer ? 2 : 0) | (isPageFile ? 4 : 0) | (isNextDist ? 8 : 0) | (hasModuleExports ? 16 : 0) | (hasReactCompiler ? 32 : 0);
+    // separate strings with null bytes, assuming null bytes are not valid in file
+    // paths
+    return `${configFilePath || ''}\x00${fileExt}\x00${flags}`;
+}
+const configCache = new Map();
+const configFiles = new Set();
+/**
+ * Applies file-specific values to a potentially-cached configuration object.
+ */ function updateBabelConfigWithFileDetails(cachedConfig, loaderOptions, filename, inputSourceMap) {
+    if (cachedConfig == null) {
+        return null;
+    }
+    return {
+        ...cachedConfig,
+        options: {
+            ...cachedConfig.options,
+            cwd: loaderOptions.cwd,
+            root: loaderOptions.cwd,
+            filename,
+            inputSourceMap,
+            // Ensure that Webpack will get a full absolute path in the sourcemap
+            // so that it can properly map the module back to its internal cached
+            // modules.
+            sourceFileName: filename
+        }
+    };
+}
+export default async function getConfig(ctx, { source, target, loaderOptions, filename, inputSourceMap }) {
+    // Install bindings early so they are definitely available to the loader.
+    // When run by webpack in next this is already done with correct configuration so this is a no-op.
+    // In turbopack loaders are run in a subprocess so it may or may not be done.
+    await installBindings();
+    const cacheCharacteristics = await getCacheCharacteristics(loaderOptions, source, filename);
+    if (loaderOptions.configFile) {
+        // Ensures webpack invalidates the cache for this loader when the config file changes
+        ctx.addDependency(loaderOptions.configFile);
+    }
+    const cacheKey = getCacheKey(cacheCharacteristics);
+    const cachedConfig = configCache.get(cacheKey);
+    if (cachedConfig !== undefined) {
+        return updateBabelConfigWithFileDetails(cachedConfig, loaderOptions, filename, inputSourceMap);
+    }
+    if (loaderOptions.configFile && !configFiles.has(loaderOptions.configFile)) {
+        configFiles.add(loaderOptions.configFile);
+        Log.info(`Using external babel configuration from ${loaderOptions.configFile}`);
+    }
+    const freshConfig = await getFreshConfig(ctx, cacheCharacteristics, loaderOptions, target);
+    configCache.set(cacheKey, freshConfig);
+    return updateBabelConfigWithFileDetails(freshConfig, loaderOptions, filename, inputSourceMap);
+}
+
+//# sourceMappingURL=get-config.js.map

node_modules/next/dist/esm/build/babel/loader/index.js

@@ -0,0 +1,41 @@
+import transform from './transform';
+async function nextBabelLoader(ctx, parentTrace, inputSource, inputSourceMap) {
+    const filename = ctx.resourcePath;
+    // Ensure `.d.ts` are not processed.
+    if (filename.endsWith('.d.ts')) {
+        return [
+            inputSource,
+            inputSourceMap
+        ];
+    }
+    const target = ctx.target;
+    const loaderOptions = parentTrace.traceChild('get-options')// @ts-ignore TODO: remove ignore once webpack 5 types are used
+    .traceFn(()=>ctx.getOptions());
+    if (loaderOptions.exclude && loaderOptions.exclude(filename)) {
+        return [
+            inputSource,
+            inputSourceMap
+        ];
+    }
+    const loaderSpanInner = parentTrace.traceChild('next-babel-turbo-transform');
+    const { code: transformedSource, map: outputSourceMap } = await loaderSpanInner.traceAsyncFn(async ()=>await transform(ctx, inputSource, inputSourceMap, loaderOptions, filename, target, loaderSpanInner));
+    return [
+        transformedSource,
+        outputSourceMap
+    ];
+}
+function nextBabelLoaderOuter(inputSource, // webpack's source map format is compatible with babel, but the type signature doesn't match
+inputSourceMap) {
+    const callback = this.async();
+    const loaderSpan = this.currentTraceSpan.traceChild('next-babel-turbo-loader');
+    loaderSpan.traceAsyncFn(()=>nextBabelLoader(this, loaderSpan, inputSource, inputSourceMap)).then(([transformedSource, outputSourceMap])=>callback == null ? void 0 : callback(/* err */ null, transformedSource, outputSourceMap ?? inputSourceMap), (err)=>{
+        callback == null ? void 0 : callback(err);
+    });
+}
+// check this type matches `webpack.LoaderDefinitionFunction`, but be careful
+// not to publicly rely on the webpack type since the generated typescript
+// declarations will be wrong.
+const _nextBabelLoaderOuter = nextBabelLoaderOuter;
+export default nextBabelLoaderOuter;
+
+//# sourceMappingURL=index.js.map

node_modules/next/dist/esm/build/babel/loader/index.js.map

@@ -0,0 +1 @@
+{"version":3,"sources":["../../../../../src/build/babel/loader/index.ts"],"sourcesContent":["import type { Span } from '../../../trace'\nimport transform from './transform'\nimport type { NextJsLoaderContext } from './types'\nimport type { SourceMap } from './util'\nimport type { webpack } from 'next/dist/compiled/webpack/webpack'\n\nasync function nextBabelLoader(\n  ctx: NextJsLoaderContext,\n  parentTrace: Span,\n  inputSource: string,\n  inputSourceMap: SourceMap | null | undefined\n): Promise<[string, SourceMap | null | undefined]> {\n  const filename = ctx.resourcePath\n\n  // Ensure `.d.ts` are not processed.\n  if (filename.endsWith('.d.ts')) {\n    return [inputSource, inputSourceMap]\n  }\n\n  const target = ctx.target\n  const loaderOptions: any = parentTrace\n    .traceChild('get-options')\n    // @ts-ignore TODO: remove ignore once webpack 5 types are used\n    .traceFn(() => ctx.getOptions())\n\n  if (loaderOptions.exclude && loaderOptions.exclude(filename)) {\n    return [inputSource, inputSourceMap]\n  }\n\n  const loaderSpanInner = parentTrace.traceChild('next-babel-turbo-transform')\n  const { code: transformedSource, map: outputSourceMap } =\n    await loaderSpanInner.traceAsyncFn(\n      async () =>\n        await transform(\n          ctx,\n          inputSource,\n          inputSourceMap,\n          loaderOptions,\n          filename,\n          target,\n          loaderSpanInner\n        )\n    )\n\n  return [transformedSource, outputSourceMap]\n}\n\nfunction nextBabelLoaderOuter(\n  this: NextJsLoaderContext,\n  inputSource: string,\n  // webpack's source map format is compatible with babel, but the type signature doesn't match\n  inputSourceMap?: any\n) {\n  const callback = this.async()\n\n  const loaderSpan = this.currentTraceSpan.traceChild('next-babel-turbo-loader')\n  loaderSpan\n    .traceAsyncFn(() =>\n      nextBabelLoader(this, loaderSpan, inputSource, inputSourceMap)\n    )\n    .then(\n      ([transformedSource, outputSourceMap]) =>\n        callback?.(\n          /* err */ null,\n          transformedSource,\n          outputSourceMap ?? inputSourceMap\n        ),\n      (err) => {\n        callback?.(err)\n      }\n    )\n}\n\n// check this type matches `webpack.LoaderDefinitionFunction`, but be careful\n// not to publicly rely on the webpack type since the generated typescript\n// declarations will be wrong.\nconst _nextBabelLoaderOuter: webpack.LoaderDefinitionFunction<\n  {},\n  NextJsLoaderContext\n> = nextBabelLoaderOuter\n\nexport default nextBabelLoaderOuter\n"],"names":["transform","nextBabelLoader","ctx","parentTrace","inputSource","inputSourceMap","filename","resourcePath","endsWith","target","loaderOptions","traceChild","traceFn","getOptions","exclude","loaderSpanInner","code","transformedSource","map","outputSourceMap","traceAsyncFn","nextBabelLoaderOuter","callback","async","loaderSpan","currentTraceSpan","then","err","_nextBabelLoaderOuter"],"mappings":"AACA,OAAOA,eAAe,cAAa;AAKnC,eAAeC,gBACbC,GAAwB,EACxBC,WAAiB,EACjBC,WAAmB,EACnBC,cAA4C;IAE5C,MAAMC,WAAWJ,IAAIK,YAAY;IAEjC,oCAAoC;IACpC,IAAID,SAASE,QAAQ,CAAC,UAAU;QAC9B,OAAO;YAACJ;YAAaC;SAAe;IACtC;IAEA,MAAMI,SAASP,IAAIO,MAAM;IACzB,MAAMC,gBAAqBP,YACxBQ,UAAU,CAAC,cACZ,+DAA+D;KAC9DC,OAAO,CAAC,IAAMV,IAAIW,UAAU;IAE/B,IAAIH,cAAcI,OAAO,IAAIJ,cAAcI,OAAO,CAACR,WAAW;QAC5D,OAAO;YAACF;YAAaC;SAAe;IACtC;IAEA,MAAMU,kBAAkBZ,YAAYQ,UAAU,CAAC;IAC/C,MAAM,EAAEK,MAAMC,iBAAiB,EAAEC,KAAKC,eAAe,EAAE,GACrD,MAAMJ,gBAAgBK,YAAY,CAChC,UACE,MAAMpB,UACJE,KACAE,aACAC,gBACAK,eACAJ,UACAG,QACAM;IAIR,OAAO;QAACE;QAAmBE;KAAgB;AAC7C;AAEA,SAASE,qBAEPjB,WAAmB,EACnB,6FAA6F;AAC7FC,cAAoB;IAEpB,MAAMiB,WAAW,IAAI,CAACC,KAAK;IAE3B,MAAMC,aAAa,IAAI,CAACC,gBAAgB,CAACd,UAAU,CAAC;IACpDa,WACGJ,YAAY,CAAC,IACZnB,gBAAgB,IAAI,EAAEuB,YAAYpB,aAAaC,iBAEhDqB,IAAI,CACH,CAAC,CAACT,mBAAmBE,gBAAgB,GACnCG,4BAAAA,SACE,OAAO,GAAG,MACVL,mBACAE,mBAAmBd,iBAEvB,CAACsB;QACCL,4BAAAA,SAAWK;IACb;AAEN;AAEA,6EAA6E;AAC7E,0EAA0E;AAC1E,8BAA8B;AAC9B,MAAMC,wBAGFP;AAEJ,eAAeA,qBAAoB","ignoreList":[0]}

node_modules/next/dist/esm/build/babel/loader/transform.js

@@ -0,0 +1,88 @@
+/*
+ * Partially adapted from @babel/core (MIT license).
+ */ import traverse from 'next/dist/compiled/babel/traverse';
+import generate from 'next/dist/compiled/babel/generator';
+import normalizeFile from 'next/dist/compiled/babel/core-lib-normalize-file';
+import normalizeOpts from 'next/dist/compiled/babel/core-lib-normalize-opts';
+import loadBlockHoistPlugin from 'next/dist/compiled/babel/core-lib-block-hoist-plugin';
+import PluginPass from 'next/dist/compiled/babel/core-lib-plugin-pass';
+import getConfig from './get-config';
+import { consumeIterator } from './util';
+function getTraversalParams(file, pluginPairs) {
+    const passPairs = [];
+    const passes = [];
+    const visitors = [];
+    for (const plugin of pluginPairs.concat(loadBlockHoistPlugin())){
+        const pass = new PluginPass(file, plugin.key, plugin.options);
+        passPairs.push([
+            plugin,
+            pass
+        ]);
+        passes.push(pass);
+        visitors.push(plugin.visitor);
+    }
+    return {
+        passPairs,
+        passes,
+        visitors
+    };
+}
+function invokePluginPre(file, passPairs) {
+    for (const [{ pre }, pass] of passPairs){
+        if (pre) {
+            pre.call(pass, file);
+        }
+    }
+}
+function invokePluginPost(file, passPairs) {
+    for (const [{ post }, pass] of passPairs){
+        if (post) {
+            post.call(pass, file);
+        }
+    }
+}
+function transformAstPass(file, pluginPairs, parentSpan) {
+    const { passPairs, passes, visitors } = getTraversalParams(file, pluginPairs);
+    invokePluginPre(file, passPairs);
+    const visitor = traverse.visitors.merge(visitors, passes, // @ts-ignore - the exported types are incorrect here
+    file.opts.wrapPluginVisitorMethod);
+    parentSpan.traceChild('babel-turbo-traverse').traceFn(()=>traverse(file.ast, visitor, file.scope));
+    invokePluginPost(file, passPairs);
+}
+function transformAst(file, babelConfig, parentSpan) {
+    for (const pluginPairs of babelConfig.passes){
+        transformAstPass(file, pluginPairs, parentSpan);
+    }
+}
+export default async function transform(ctx, source, inputSourceMap, loaderOptions, filename, target, parentSpan) {
+    const getConfigSpan = parentSpan.traceChild('babel-turbo-get-config');
+    const babelConfig = await getConfig(ctx, {
+        source,
+        loaderOptions,
+        inputSourceMap: inputSourceMap ?? undefined,
+        target,
+        filename
+    });
+    if (!babelConfig) {
+        return {
+            code: source,
+            map: inputSourceMap ?? null
+        };
+    }
+    getConfigSpan.stop();
+    const normalizeSpan = parentSpan.traceChild('babel-turbo-normalize-file');
+    const file = consumeIterator(normalizeFile(babelConfig.passes, normalizeOpts(babelConfig), source));
+    normalizeSpan.stop();
+    const transformSpan = parentSpan.traceChild('babel-turbo-transform');
+    transformAst(file, babelConfig, transformSpan);
+    transformSpan.stop();
+    const generateSpan = parentSpan.traceChild('babel-turbo-generate');
+    const { code, map } = generate(file.ast, file.opts.generatorOpts, file.code);
+    generateSpan.stop();
+    return {
+        code,
+        map
+    };
+}
+
+//# sourceMappingURL=transform.js.map

node_modules/next/dist/esm/build/babel/loader/types.d.ts

@@ -0,0 +1,77 @@
+import type { webpack } from 'next/dist/compiled/webpack/webpack'
+import type { JSONValue } from '../../../server/config-shared'
+import type { Span } from '../../../trace'
+
+export interface NextJsLoaderContext extends webpack.LoaderContext<{}> {
+  currentTraceSpan: Span
+  target: string
+}
+
+export interface NextBabelLoaderBaseOptions {
+  cwd: string
+
+  /**
+   * Should we read the user-provided custom babel config? Used in both `transformMode`s.
+   */
+  configFile?: string
+
+  /**
+   * Custom plugins to be added to the generated babel options.
+   */
+  reactCompilerPlugins?: Array<JSONValue>
+
+  /**
+   * Paths that the loader should not apply the react-compiler to.
+   */
+  reactCompilerExclude?: (excludePath: string) => boolean
+
+  overrides?: any
+
+  /**
+   * Extra fields to pass to presets/plugins via the Babel 'caller' API.
+   */
+  caller?: any
+
+  /**
+   * Advanced: Can override webpack's sourcemap behavior (see `NextJsLoaderContext["sourceMap"]`).
+   */
+  sourceMaps?: boolean | 'inline' | 'both' | null | undefined
+}
+
+/**
+ * Options to create babel loader for the default transformations.
+ *
+ * This is primary usecase of babel-loader configuration for running
+ * all of the necessary transforms for the ecmascript instead of swc loader.
+ */
+export type NextBabelLoaderOptionDefaultPresets = NextBabelLoaderBaseOptions & {
+  transformMode: 'default'
+
+  isServer: boolean
+  distDir: string
+  pagesDir: string | undefined
+  srcDir: string
+  development: boolean
+  hasJsxRuntime: boolean
+  hasReactRefresh: boolean
+}
+
+/**
+ * Options to create babel loader for 'standalone' transformations.
+ *
+ * This'll create a babel loader does not enable any of the default Next.js
+ * presets or plugins that perform transformations. Non-transforming syntax
+ * plugins (e.g. Typescript) will still be enabled.
+ *
+ * This is useful when Babel is used in combination with SWC, and we expect SWC
+ * to perform downleveling and Next.js-specific transforms. Standalone mode is
+ * used in Turbopack and when React Compiler is used with webpack.
+ */
+export type NextBabelLoaderOptionStandalone = NextBabelLoaderBaseOptions & {
+  transformMode: 'standalone'
+  isServer: boolean
+}
+
+export type NextBabelLoaderOptions =
+  | NextBabelLoaderOptionDefaultPresets
+  | NextBabelLoaderOptionStandalone

node_modules/next/dist/esm/build/babel/loader/util.js

@@ -0,0 +1,10 @@
+export function consumeIterator(iter) {
+    while(true){
+        const { value, done } = iter.next();
+        if (done) {
+            return value;
+        }
+    }
+}
+
+//# sourceMappingURL=util.js.map

node_modules/next/dist/esm/build/babel/loader/util.js.map

@@ -0,0 +1 @@
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