Function shouldBypassProxy

packages/fetch/src/util.ts:96–108

(
  hostname: string,
  requestOptions: RequestOptions | undefined,
)

 * @returns True if the hostname should bypass proxy
 */
export function shouldBypassProxy(
  hostname: string,
  requestOptions: RequestOptions | undefined,
): boolean {
  const ignores = [
    ...getEnvNoProxyPatterns(),
    ...getReqOptionsNoProxyPatterns(requestOptions),
  ];
  const hostLowerCase = hostname.toLowerCase();
  return ignores.some((ignore) =>
    patternMatchesHostname(hostLowerCase, ignore),
  );
}