Function readFile

playground/test-utils.ts:159–165

(
  filename: string,
  encoding?: BufferEncoding | null,
)

export function readFile(filename: string, encoding?: BufferEncoding): string
export function readFile(filename: string, encoding: null): Buffer
export function readFile(
  filename: string,
  encoding?: BufferEncoding | null,
): Buffer | string {
  if (encoding === undefined) encoding = 'utf-8'
  return fs.readFileSync(path.resolve(testDir, filename), encoding)
}

export function editFile(
  filename: string,