Function envToBool

packages/core/src/utils/envToBool.ts:26–38

(value: unknown, options?: BoolCastOptions)

 *          and Boolean(value) in loose mode.
 */
export function envToBool(value: unknown, options?: BoolCastOptions): boolean | null {
  const normalized = String(value).toLowerCase();

  if (FALSY_ENV_VALUES.has(normalized)) {
    return false;
  }

  if (TRUTHY_ENV_VALUES.has(normalized)) {
    return true;
  }

  return options?.strict ? null : Boolean(value);
}