Function createLanguageConfig

packages/code-map/src/languages.ts:256–291

(
  filePath: string,
  runtimeLoader: RuntimeLanguageLoader,
)

/* 10. Language configuration loader                                 */
/* ------------------------------------------------------------------ */
export async function createLanguageConfig(
  filePath: string,
  runtimeLoader: RuntimeLanguageLoader,
): Promise<LanguageConfig | undefined> {
  const cfg = findLanguageConfigByExtension(filePath)
  if (!cfg) {
    return undefined
  }

  if (!cfg.parser) {
    try {
      await runtimeLoader.initParser()

      // Load the language using the runtime-specific loader
      const lang = await runtimeLoader.loadLanguage(cfg.wasmFile)

      // Create parser and query
      const parser = new Parser()
      parser.setLanguage(lang)

      // When loaded with bun, the queryText is a path to the file, not the content of the file.
      const queryContent = path.isAbsolute(cfg.queryPathOrContent)
        ? fs.readFileSync(cfg.queryPathOrContent, 'utf8')
        : cfg.queryPathOrContent

      cfg.language = lang
      cfg.parser = parser
      cfg.query = new Query(lang, queryContent)
    } catch (err) {
      // Let the runtime-specific implementation handle error logging
      throw err
    }
  }

  return cfg
}

/* ------------------------------------------------------------------ */
/* 11. Public API                                                    */