Function getTSConfig

src/util.ts:159–166

(
  rootDir: string,
  customReadFilep?: ReadFileP,
)

 * thrown
 */
export async function getTSConfig(
  rootDir: string,
  customReadFilep?: ReadFileP,
): Promise<ConfigFile> {
  customReadFilep = (customReadFilep || readFilep) as ReadFileP;
  const readArr = new Set<string>();
  return getBase('tsconfig.json', customReadFilep, readArr, rootDir);
}