Function validateFileExtension

packages/client-generator-ts/src/file-extensions.ts:14–25

(extension: string, kind: FileExtensionKind, recommended: readonly string[])

type FileExtensionKind = 'generated' | 'import'

function validateFileExtension(extension: string, kind: FileExtensionKind, recommended: readonly string[]): string {
  if (!recommended.includes(extension) && !process.env.PRISMA_DISABLE_WARNINGS) {
    console.warn(
      `${capitalize(kind)} file extension ${JSON.stringify(
        extension,
      )} is unexpected and may be a mistake. Expected one of: ${recommended
        .map((ext) => JSON.stringify(ext))
        .join(', ')}`,
    )
  }
  return extension
}

function parseFileExtensionFromUnknown(
  extension: unknown,