vite-intlayer/dist/esm/IntlayerCompilerPlugin.mjs.map

A Vite plugin for seamless internationalization (i18n), providing locale detection, redirection, and environment-based configuration

{"version":3,"file":"IntlayerCompilerPlugin.mjs","names":["config: IntlayerConfig","logger: ReturnType<typeof getAppLogger>","filesList: string[]","babel: any","pendingDictionaryWrite: Promise<void> | null","mergedContent: DictionaryContentMap","mergedContent: Record<string, string>","compilerMode: CompilerMode","mergedDictionary: Dictionary","dictionaryToBuild: Dictionary","result:\n        | { code: string; map?: unknown; extracted?: boolean }\n        | null\n        | undefined"],"sources":["../../src/IntlayerCompilerPlugin.ts"],"sourcesContent":["import { existsSync } from 'node:fs';\nimport { mkdir, readFile } from 'node:fs/promises';\nimport { createRequire } from 'node:module';\nimport { join, relative } from 'node:path';\nimport {\n  type ExtractResult,\n  intlayerExtractBabelPlugin,\n} from '@intlayer/babel';\nimport {\n  buildDictionary,\n  buildFilesList,\n  prepareIntlayer,\n  writeContentDeclaration,\n} from '@intlayer/chokidar';\nimport {\n  ANSIColors,\n  colorize,\n  colorizeKey,\n  colorizePath,\n  type GetConfigurationOptions,\n  getAppLogger,\n  getConfiguration,\n} from '@intlayer/config';\nimport type {\n  CompilerConfig,\n  Dictionary,\n  IntlayerConfig,\n} from '@intlayer/types';\n\n/**\n * Translation node structure used in dictionaries\n */\ntype TranslationNode = {\n  nodeType: 'translation';\n  translation: Record<string, string>;\n};\n\n/**\n * Dictionary content structure - map of keys to translation nodes\n */\ntype DictionaryContentMap = Record<string, TranslationNode>;\n\n/**\n * Mode of the compiler\n * - 'dev': Development mode with HMR support\n * - 'build': Production build mode\n */\nexport type CompilerMode = 'dev' | 'build';\n\n/**\n * Options for initializing the compiler\n */\nexport type IntlayerCompilerOptions = {\n  /**\n   * Configuration options for getting the intlayer configuration\n   */\n  configOptions?: GetConfigurationOptions;\n\n  /**\n   * Custom compiler configuration to override defaults\n   */\n  compilerConfig?: Partial<CompilerConfig>;\n};\n\n/**\n * Create an IntlayerCompiler - A Vite-compatible compiler plugin for Intlayer\n *\n * This autonomous compiler handles:\n * - Configuration loading and management\n * - Hot Module Replacement (HMR) for content changes\n * - File transformation with content extraction\n * - Dictionary persistence and building\n *\n * @example\n * ```ts\n * // vite.config.ts\n * import { defineConfig } from 'vite';\n * import { intlayerCompiler } from 'vite-intlayer';\n *\n * export default defineConfig({\n *   plugins: [intlayerCompiler()],\n * });\n * ```\n */\nexport const intlayerCompiler = (options?: IntlayerCompilerOptions): any => {\n  // Private state\n  let config: IntlayerConfig;\n  let logger: ReturnType<typeof getAppLogger>;\n  let projectRoot = '';\n  let filesList: string[] = [];\n  let babel: any = null;\n\n  // Promise to track dictionary writing (for synchronization)\n  let pendingDictionaryWrite: Promise<void> | null = null;\n\n  // Track recently processed files to prevent infinite loops\n  // Key: file path, Value: timestamp of last processing\n  const recentlyProcessedFiles = new Map<string, number>();\n  // Track recently written dictionaries to prevent duplicate writes\n  // Key: dictionary key, Value: hash of content that was written\n  const recentDictionaryContent = new Map<string, string>();\n  // Debounce window in milliseconds - skip re-processing files within this window\n  const DEBOUNCE_MS = 500;\n\n  const configOptions = options?.configOptions;\n  const customCompilerConfig = options?.compilerConfig;\n\n  /**\n   * Check if a file was recently processed (within debounce window)\n   * and should be skipped to prevent infinite loops\n   */\n  const wasRecentlyProcessed = (filePath: string): boolean => {\n    const lastProcessed = recentlyProcessedFiles.get(filePath);\n    if (!lastProcessed) return false;\n\n    const now = Date.now();\n    return now - lastProcessed < DEBOUNCE_MS;\n  };\n\n  /**\n   * Mark a file as recently processed\n   */\n  const markAsProcessed = (filePath: string): void => {\n    recentlyProcessedFiles.set(filePath, Date.now());\n\n    // Clean up old entries to prevent memory leaks\n    const now = Date.now();\n    for (const [path, timestamp] of recentlyProcessedFiles.entries()) {\n      if (now - timestamp > DEBOUNCE_MS * 2) {\n        recentlyProcessedFiles.delete(path);\n      }\n    }\n  };\n\n  /**\n   * Create a simple hash of content for comparison\n   * Used to detect if dictionary content has actually changed\n   */\n  const hashContent = (content: Record<string, string>): string => {\n    return JSON.stringify(\n      Object.keys(content)\n        .sort()\n        .map((k) => [k, content[k]])\n    );\n  };\n\n  /**\n   * Check if dictionary content has changed since last write\n   */\n  const hasDictionaryContentChanged = (\n    dictionaryKey: string,\n    content: Record<string, string>\n  ): boolean => {\n    const newHash = hashContent(content);\n    const previousHash = recentDictionaryContent.get(dictionaryKey);\n\n    if (previousHash === newHash) {\n      return false;\n    }\n\n    // Update the stored hash\n    recentDictionaryContent.set(dictionaryKey, newHash);\n    return true;\n  };\n\n  /**\n   * Get compiler config from intlayer config or custom options\n   */\n  const getCompilerConfig = () => {\n    // Access compiler config from the raw config (may not be in the type)\n    const rawConfig = config as IntlayerConfig & {\n      compiler?: Partial<CompilerConfig>;\n    };\n\n    return {\n      enabled:\n        customCompilerConfig?.enabled ?? rawConfig.compiler?.enabled ?? true,\n      transformPattern:\n        customCompilerConfig?.transformPattern ??\n        rawConfig.compiler?.transformPattern ??\n        config.build.traversePattern,\n      excludePattern: [\n        ...(customCompilerConfig?.excludePattern ?? []),\n        '**/node_modules/**',\n        ...config.content.fileExtensions.map((pattern) => `*${pattern}`),\n      ],\n      outputDir:\n        customCompilerConfig?.outputDir ??\n        rawConfig.compiler?.outputDir ??\n        'compiler',\n    };\n  };\n\n  /**\n   * Get the output directory path for compiler dictionaries\n   */\n  const getOutputDir = (): string => {\n    const { baseDir } = config.content;\n    const compilerConfig = getCompilerConfig();\n    return join(baseDir, compilerConfig.outputDir);\n  };\n\n  /**\n   * Get the file path for a dictionary\n   */\n  const getDictionaryFilePath = (dictionaryKey: string): string => {\n    const outputDir = getOutputDir();\n    return join(outputDir, `${dictionaryKey}.content.json`);\n  };\n\n  /**\n   * Read an existing dictionary file if it exists\n   */\n  const readExistingDictionary = async (\n    dictionaryKey: string\n  ): Promise<Dictionary | null> => {\n    const filePath = getDictionaryFilePath(dictionaryKey);\n\n    if (!existsSync(filePath)) {\n      return null;\n    }\n\n    try {\n      const content = await readFile(filePath, 'utf-8');\n      return JSON.parse(content) as Dictionary;\n    } catch {\n      return null;\n    }\n  };\n\n  /**\n   * Merge extracted content with existing dictionary for multilingual format.\n   * - Keys in extracted but not in existing: added with default locale only\n   * - Keys in both: preserve existing translations, update default locale value\n   * - Keys in existing but not in extracted: removed (no longer in source)\n   */\n  const mergeWithExistingMultilingualDictionary = (\n    extractedContent: Record<string, string>,\n    existingDictionary: Dictionary | null,\n    defaultLocale: string\n  ): DictionaryContentMap => {\n    const mergedContent: DictionaryContentMap = {};\n    const existingContent = existingDictionary?.content as\n      | DictionaryContentMap\n      | undefined;\n\n    for (const [key, value] of Object.entries(extractedContent)) {\n      const existingEntry = existingContent?.[key];\n\n      if (\n        existingEntry &&\n        existingEntry.nodeType === 'translation' &&\n        existingEntry.translation\n      ) {\n        const oldValue = existingEntry.translation[defaultLocale];\n        const isUpdated = oldValue !== value;\n\n        // Key exists in both - preserve existing translations, update default locale\n        mergedContent[key] = {\n          nodeType: 'translation',\n          translation: {\n            ...existingEntry.translation,\n            [defaultLocale]: value,\n          },\n        };\n\n        if (isUpdated) {\n          logger(\n            `${colorize('Compiler:', ANSIColors.GREY_DARK)} Updated \"${key}\" [${defaultLocale}]: \"${oldValue?.slice(0, 30)}...\" → \"${value.slice(0, 30)}...\"`,\n            { level: 'info', isVerbose: true }\n          );\n        }\n      } else {\n        // New key - add with default locale only\n        mergedContent[key] = {\n          nodeType: 'translation',\n          translation: {\n            [defaultLocale]: value,\n          },\n        };\n        logger(\n          `${colorize('Compiler:', ANSIColors.GREY_DARK)} Added new key \"${key}\"`,\n          {\n            level: 'info',\n            isVerbose: true,\n          }\n        );\n      }\n    }\n\n    // Log removed keys\n    if (existingContent) {\n      const removedKeys = Object.keys(existingContent).filter(\n        (key) => !(key in extractedContent)\n      );\n      for (const key of removedKeys) {\n        logger(\n          `${colorize('Compiler:', ANSIColors.GREY_DARK)} Removed key \"${key}\" (no longer in source)`,\n          {\n            level: 'info',\n            isVerbose: true,\n          }\n        );\n      }\n    }\n\n    return mergedContent;\n  };\n\n  /**\n   * Merge extracted content with existing dictionary for per-locale format.\n   * - Keys in extracted but not in existing: added\n   * - Keys in both: update value\n   * - Keys in existing but not in extracted: removed (no longer in source)\n   */\n  const mergeWithExistingPerLocaleDictionary = (\n    extractedContent: Record<string, string>,\n    existingDictionary: Dictionary | null,\n    defaultLocale: string\n  ): Record<string, string> => {\n    const mergedContent: Record<string, string> = {};\n    const existingContent = existingDictionary?.content as\n      | Record<string, string>\n      | undefined;\n\n    for (const [key, value] of Object.entries(extractedContent)) {\n      const existingValue = existingContent?.[key];\n\n      if (existingValue && typeof existingValue === 'string') {\n        const isUpdated = existingValue !== value;\n\n        mergedContent[key] = value;\n\n        if (isUpdated) {\n          logger(\n            `${colorize('Compiler:', ANSIColors.GREY_DARK)} Updated \"${key}\" [${defaultLocale}]: \"${existingValue?.slice(0, 30)}...\" → \"${value.slice(0, 30)}...\"`,\n            { level: 'info', isVerbose: true }\n          );\n        }\n      } else {\n        // New key\n        mergedContent[key] = value;\n        logger(\n          `${colorize('Compiler:', ANSIColors.GREY_DARK)} Added new key \"${key}\"`,\n          {\n            level: 'info',\n            isVerbose: true,\n          }\n        );\n      }\n    }\n\n    // Log removed keys\n    if (existingContent) {\n      const removedKeys = Object.keys(existingContent).filter(\n        (key) => !(key in extractedContent)\n      );\n      for (const key of removedKeys) {\n        logger(\n          `${colorize('Compiler:', ANSIColors.GREY_DARK)} Removed key \"${key}\" (no longer in source)`,\n          {\n            level: 'info',\n            isVerbose: true,\n          }\n        );\n      }\n    }\n\n    return mergedContent;\n  };\n\n  /**\n   * Build the list of files to transform based on configuration patterns\n   */\n  const buildFilesListFn = async (): Promise<void> => {\n    const { baseDir, fileExtensions } = config.content;\n    const compilerConfig = getCompilerConfig();\n\n    const excludePatterns = Array.isArray(compilerConfig.excludePattern)\n      ? compilerConfig.excludePattern\n      : [compilerConfig.excludePattern];\n\n    filesList = buildFilesList({\n      transformPattern: compilerConfig.transformPattern,\n      excludePattern: [\n        ...excludePatterns,\n        '**/node_modules/**',\n        ...fileExtensions.map((pattern) => `**/*${pattern}`),\n      ],\n      baseDir,\n    });\n  };\n\n  /**\n   * Initialize the compiler with the given mode\n   */\n  const init = async (_compilerMode: CompilerMode): Promise<void> => {\n    config = getConfiguration(configOptions);\n    logger = getAppLogger(config);\n\n    // Load Babel dynamically\n    try {\n      const localRequire = createRequire(import.meta.url);\n      babel = localRequire('@babel/core');\n    } catch {\n      logger('Failed to load @babel/core. Transformation will be disabled.', {\n        level: 'warn',\n      });\n    }\n\n    // Build files list for transformation\n    await buildFilesListFn();\n  };\n\n  /**\n   * Vite hook: config\n   * Called before Vite config is resolved - perfect time to prepare dictionaries\n   */\n  const configHook = async (\n    _config: unknown,\n    env: { command: string; mode: string }\n  ): Promise<void> => {\n    // Initialize config early\n    config = getConfiguration(configOptions);\n    logger = getAppLogger(config);\n\n    const isDevCommand = env.command === 'serve' && env.mode === 'development';\n    const isBuildCommand = env.command === 'build';\n\n    // Prepare all existing dictionaries (builds them to .intlayer/dictionary/)\n    // This ensures built dictionaries exist before the prune plugin runs\n    if (isDevCommand || isBuildCommand) {\n      await prepareIntlayer(config, {\n        clean: isBuildCommand,\n        cacheTimeoutMs: isBuildCommand\n          ? 1000 * 30 // 30 seconds for build\n          : 1000 * 60 * 60, // 1 hour for dev\n      });\n    }\n  };\n\n  /**\n   * Vite hook: configResolved\n   * Called when Vite config is resolved\n   */\n  const configResolved = async (viteConfig: {\n    env?: { DEV?: boolean };\n    root: string;\n  }): Promise<void> => {\n    const compilerMode: CompilerMode = viteConfig.env?.DEV ? 'dev' : 'build';\n    projectRoot = viteConfig.root;\n    await init(compilerMode);\n  };\n\n  /**\n   * Build start hook - no longer needs to prepare dictionaries\n   * The compiler is now autonomous and extracts content inline\n   */\n  const buildStart = async (): Promise<void> => {\n    // Autonomous compiler - no need to prepare dictionaries\n    // Content is extracted inline during transformation\n    logger('Intlayer compiler initialized', {\n      level: 'info',\n    });\n  };\n\n  /**\n   * Build end hook - wait for any pending dictionary writes\n   */\n  const buildEnd = async (): Promise<void> => {\n    // Wait for any pending dictionary writes to complete\n    if (pendingDictionaryWrite) {\n      await pendingDictionaryWrite;\n    }\n  };\n\n  /**\n   * Configure the dev server\n   */\n  const configureServer = async (): Promise<void> => {\n    // In autonomous mode, we don't need file watching for dictionaries\n    // Content is extracted inline during transformation\n  };\n\n  /**\n   * Vite hook: handleHotUpdate\n   * Handles HMR for content files - invalidates cache and triggers re-transform\n   */\n  const handleHotUpdate = async (ctx: any): Promise<unknown[] | undefined> => {\n    const { file, server, modules } = ctx;\n\n    // Check if this is a file we should transform\n    const isTransformableFile = filesList.some((f) => f === file);\n\n    if (isTransformableFile) {\n      // Check if this file was recently processed to prevent infinite loops\n      // When a component is transformed, it writes a dictionary, which triggers HMR,\n      // which would re-transform the component - this debounce prevents that loop\n      if (wasRecentlyProcessed(file)) {\n        logger(\n          `${colorize('Compiler:', ANSIColors.GREY_DARK)} Skipping re-transform of ${colorizePath(relative(projectRoot, file))} (recently processed)`,\n          {\n            level: 'info',\n            isVerbose: true,\n          }\n        );\n        return undefined;\n      }\n\n      // Mark file as being processed before transformation\n      markAsProcessed(file);\n\n      // Invalidate all affected modules to ensure re-transform\n      for (const mod of modules) {\n        server.moduleGraph.invalidateModule(mod);\n      }\n\n      // Force re-transform by reading and processing the file\n      // This ensures content extraction happens on every file change\n      try {\n        const code = await readFile(file, 'utf-8');\n\n        // Trigger the transform manually to extract content\n        await transformHandler(code, file);\n      } catch (error) {\n        logger(\n          `${colorize('Compiler:', ANSIColors.GREY_DARK)} Failed to re-transform ${file}: ${error}`,\n          {\n            level: 'error',\n          }\n        );\n      }\n\n      // Trigger full reload for content changes\n      server.ws.send({ type: 'full-reload' });\n      return [];\n    }\n\n    return undefined;\n  };\n\n  /**\n   * Write and build a single dictionary immediately\n   * This is called during transform to ensure dictionaries are always up-to-date.\n   *\n   * The merge strategy:\n   * - New keys are added with the default locale only\n   * - Existing keys preserve their translations, with default locale updated\n   * - Keys no longer in source are removed\n   *\n   * Dictionary format:\n   * - Per-locale: When config.dictionary.locale is set, content is simple strings with locale property\n   * - Multilingual: When not set, content is wrapped in translation nodes without locale property\n   */\n  const writeAndBuildDictionary = async (\n    result: ExtractResult\n  ): Promise<void> => {\n    const { dictionaryKey, content } = result;\n\n    // Skip if content hasn't changed - prevents infinite loops during HMR\n    if (!hasDictionaryContentChanged(dictionaryKey, content)) {\n      logger(\n        `${colorize('Compiler:', ANSIColors.GREY_DARK)} Skipping dictionary ${colorizeKey(dictionaryKey)} (content unchanged)`,\n        {\n          level: 'info',\n          isVerbose: true,\n        }\n      );\n      return;\n    }\n\n    const outputDir = getOutputDir();\n    const { defaultLocale } = config.internationalization;\n\n    // Check if per-locale format is configured\n    // When config.dictionary.locale is set, use per-locale format (simple strings with locale property)\n    // Otherwise, use multilingual format (content wrapped in TranslationNode objects)\n    const isPerLocaleFile = Boolean(config?.dictionary?.locale);\n\n    // Ensure output directory exists\n    await mkdir(outputDir, { recursive: true });\n\n    // Read existing dictionary to preserve translations and metadata\n    const existingDictionary = await readExistingDictionary(dictionaryKey);\n\n    const relativeFilePath = join(\n      relative(config.content.baseDir, outputDir),\n      `${dictionaryKey}.content.json`\n    );\n\n    // Build dictionary based on format - matching transformFiles.ts behavior\n    let mergedDictionary: Dictionary;\n\n    if (isPerLocaleFile) {\n      // Per-locale format: simple string content with locale property\n      const mergedContent = mergeWithExistingPerLocaleDictionary(\n        content,\n        existingDictionary,\n        defaultLocale\n      );\n\n      mergedDictionary = {\n        // Preserve existing metadata (title, description, tags, etc.)\n        ...(existingDictionary && {\n          $schema: existingDictionary.$schema,\n          id: existingDictionary.id,\n          title: existingDictionary.title,\n          description: existingDictionary.description,\n          tags: existingDictionary.tags,\n          fill: existingDictionary.fill,\n          filled: existingDictionary.filled,\n          priority: existingDictionary.priority,\n          version: existingDictionary.version,\n        }),\n        // Required fields\n        key: dictionaryKey,\n        content: mergedContent,\n        locale: defaultLocale,\n        filePath: relativeFilePath,\n      };\n    } else {\n      // Multilingual format: content wrapped in translation nodes, no locale property\n      const mergedContent = mergeWithExistingMultilingualDictionary(\n        content,\n        existingDictionary,\n        defaultLocale\n      );\n\n      mergedDictionary = {\n        // Preserve existing metadata (title, description, tags, etc.)\n        ...(existingDictionary && {\n          $schema: existingDictionary.$schema,\n          id: existingDictionary.id,\n          title: existingDictionary.title,\n          description: existingDictionary.description,\n          tags: existingDictionary.tags,\n          fill: existingDictionary.fill,\n          filled: existingDictionary.filled,\n          priority: existingDictionary.priority,\n          version: existingDictionary.version,\n        }),\n        // Required fields\n        key: dictionaryKey,\n        content: mergedContent,\n        filePath: relativeFilePath,\n      };\n    }\n\n    try {\n      const writeResult = await writeContentDeclaration(\n        mergedDictionary,\n        config,\n        {\n          newDictionariesPath: relative(config.content.baseDir, outputDir),\n        }\n      );\n\n      logger(\n        `${colorize('Compiler:', ANSIColors.GREY_DARK)} ${writeResult.status === 'created' ? 'Created' : writeResult.status === 'updated' ? 'Updated' : 'Processed'} content declaration: ${colorizePath(relative(projectRoot, writeResult.path))}`,\n        {\n          level: 'info',\n        }\n      );\n\n      // Build the dictionary immediately so it's available for the prune plugin\n      const dictionaryToBuild: Dictionary = {\n        ...mergedDictionary,\n        filePath: relative(config.content.baseDir, writeResult.path),\n      };\n\n      logger(\n        `${colorize('Compiler:', ANSIColors.GREY_DARK)} Building dictionary ${colorizeKey(dictionaryKey)}`,\n        {\n          level: 'info',\n        }\n      );\n\n      await buildDictionary([dictionaryToBuild], config);\n\n      logger(\n        `${colorize('Compiler:', ANSIColors.GREY_DARK)} Dictionary ${colorizeKey(dictionaryKey)} built successfully`,\n        {\n          level: 'info',\n        }\n      );\n    } catch (error) {\n      logger(\n        `${colorize('Compiler:', ANSIColors.GREY_DARK)} Failed to write/build dictionary for ${colorizeKey(dictionaryKey)}: ${error}`,\n        {\n          level: 'error',\n        }\n      );\n    }\n  };\n\n  /**\n   * Callback for when content is extracted from a file\n   * Immediately writes and builds the dictionary\n   */\n  const handleExtractedContent = (result: ExtractResult): void => {\n    const contentKeys = Object.keys(result.content);\n\n    logger(\n      `${colorize('Compiler:', ANSIColors.GREY_DARK)} Extracted ${contentKeys.length} content keys from ${colorizePath(relative(projectRoot, result.filePath))}`,\n      {\n        level: 'info',\n      }\n    );\n\n    // Chain the write operation to ensure sequential writes\n    pendingDictionaryWrite = (pendingDictionaryWrite ?? Promise.resolve())\n      .then(() => writeAndBuildDictionary(result))\n      .catch((error) => {\n        logger(\n          `${colorize('Compiler:', ANSIColors.GREY_DARK)} Error in dictionary write chain: ${error}`,\n          {\n            level: 'error',\n          }\n        );\n      });\n  };\n\n  /**\n   * Detect the package name to import useIntlayer from based on file extension\n   */\n  const detectPackageName = (filename: string): string => {\n    if (filename.endsWith('.vue')) {\n      return 'vue-intlayer';\n    }\n    if (filename.endsWith('.svelte')) {\n      return 'svelte-intlayer';\n    }\n    if (filename.endsWith('.tsx') || filename.endsWith('.jsx')) {\n      return 'react-intlayer';\n    }\n    // Default to react-intlayer for JSX/TSX files\n    return 'intlayer';\n  };\n\n  /**\n   * Transform a Vue file using the Vue extraction plugin\n   */\n  const transformVue = async (\n    code: string,\n    filename: string,\n    defaultLocale: string\n  ) => {\n    const { intlayerVueExtract } = await import('@intlayer/vue-compiler');\n    return intlayerVueExtract(code, filename, {\n      defaultLocale,\n      filesList,\n      packageName: 'vue-intlayer',\n      onExtract: handleExtractedContent,\n    });\n  };\n\n  /**\n   * Transform a Svelte file using the Svelte extraction plugin\n   */\n  const transformSvelte = async (\n    code: string,\n    filename: string,\n    defaultLocale: string\n  ) => {\n    const { intlayerSvelteExtract } = await import('@intlayer/svelte-compiler');\n    const result = await intlayerSvelteExtract(code, filename, {\n      defaultLocale,\n      filesList,\n      packageName: 'svelte-intlayer',\n      onExtract: handleExtractedContent,\n    });\n\n    return result;\n  };\n\n  /**\n   * Transform a JSX/TSX file using the Babel extraction plugin\n   */\n  const transformJsx = (\n    code: string,\n    filename: string,\n    defaultLocale: string\n  ) => {\n    if (!babel) {\n      return undefined;\n    }\n\n    const packageName = detectPackageName(filename);\n\n    const result = babel.transformSync(code, {\n      filename,\n      plugins: [\n        [\n          intlayerExtractBabelPlugin,\n          {\n            defaultLocale,\n            filesList,\n            packageName,\n            onExtract: handleExtractedContent,\n          },\n        ],\n      ],\n      parserOpts: {\n        sourceType: 'module',\n        allowImportExportEverywhere: true,\n        plugins: [\n          'typescript',\n          'jsx',\n          'decorators-legacy',\n          'classProperties',\n          'objectRestSpread',\n          'asyncGenerators',\n          'functionBind',\n          'exportDefaultFrom',\n          'exportNamespaceFrom',\n          'dynamicImport',\n          'nullishCoalescingOperator',\n          'optionalChaining',\n        ],\n      },\n    });\n\n    if (result?.code) {\n      return {\n        code: result.code,\n        map: result.map,\n        extracted: true,\n      };\n    }\n\n    return undefined;\n  };\n\n  /**\n   * Transform a file using the appropriate extraction plugin based on file type\n   */\n  const transformHandler = async (\n    code: string,\n    id: string,\n    _options?: { ssr?: boolean }\n  ) => {\n    const compilerConfig = getCompilerConfig();\n\n    // Only transform if compiler is enabled\n    if (!compilerConfig.enabled) {\n      return undefined;\n    }\n\n    // Skip virtual modules (query strings indicate compiled/virtual modules)\n    // e.g., App.svelte?svelte&type=style, Component.vue?vue&type=script\n    if (id.includes('?')) {\n      return undefined;\n    }\n\n    const { defaultLocale } = config.internationalization;\n\n    const filename = id;\n\n    if (!filesList.includes(filename)) {\n      return undefined;\n    }\n\n    // Only process Vue and Svelte source files with extraction\n    // JSX/TSX files are handled by Babel which has its own detection\n    const isVue = filename.endsWith('.vue');\n    const isSvelte = filename.endsWith('.svelte');\n\n    if (!isVue && !isSvelte) {\n      // For non-Vue/Svelte files, use JSX transformation via Babel\n      try {\n        const result = transformJsx(code, filename, defaultLocale);\n\n        if (pendingDictionaryWrite) {\n          await pendingDictionaryWrite;\n        }\n\n        if (result?.code) {\n          return {\n            code: result.code,\n            map: result.map,\n          };\n        }\n      } catch (error) {\n        logger(\n          `Failed to transform ${colorizePath(relative(projectRoot, filename))}: ${error}`,\n          {\n            level: 'error',\n          }\n        );\n      }\n      return undefined;\n    }\n\n    logger(\n      `${colorize('Compiler:', ANSIColors.GREY_DARK)} Transforming ${colorizePath(relative(projectRoot, filename))}`,\n      {\n        level: 'info',\n      }\n    );\n\n    try {\n      let result:\n        | { code: string; map?: unknown; extracted?: boolean }\n        | null\n        | undefined;\n\n      // Route to appropriate transformer based on file extension\n      if (isVue) {\n        result = await transformVue(code, filename, defaultLocale);\n      } else if (isSvelte) {\n        result = await transformSvelte(code, filename, defaultLocale);\n      }\n\n      // Wait for the dictionary to be written before returning\n      // This ensures the dictionary exists before the prune plugin runs\n      if (pendingDictionaryWrite) {\n        await pendingDictionaryWrite;\n      }\n\n      if (result?.code) {\n        return {\n          code: result.code,\n          map: result.map,\n        };\n      }\n    } catch (error) {\n      logger(\n        `Failed to transform ${relative(projectRoot, filename)}: ${error}`,\n        {\n          level: 'error',\n        }\n      );\n    }\n\n    return undefined;\n  };\n\n  /**\n   * Apply hook for determining when plugin should be active\n   */\n  const apply = (_config: unknown, _env: { command: string }): boolean => {\n 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