Function languageFromPath

src/lib/language-detect.ts:215–235

(path: string)

}

export function languageFromPath(path: string): string {
  const lower = path.toLowerCase()
  const basename = lower.split(/[\\/]/).pop() ?? lower

  if (BASENAME_MAP[basename]) {
    return BASENAME_MAP[basename]
  }

  // Dockerfile.dev / Dockerfile.prod / Dockerfile.test — common multi-stage
  // naming where the suffix is the build target rather than a file extension.
  if (basename.startsWith("dockerfile.")) {
    return "dockerfile"
  }

  const dotIdx = basename.lastIndexOf(".")
  if (dotIdx === -1 || dotIdx === basename.length - 1) {
    return "plaintext"
  }
  const ext = basename.slice(dotIdx + 1)
  return EXTENSION_MAP[ext] ?? "plaintext"
}