Function resolveMirrorUrls

scripts/install.js:63–75

(env, archive, version)

// Non-https / malformed npm_config_registry is silently ignored so npm users
// with http-only internal registries don't have their installs broken.
function resolveMirrorUrls(env, archive, version) {
  const binaryPath = `/-/binary/lark-cli/v${version}/${archive}`;
  const defaultUrl = joinUrl(DEFAULT_MIRROR_HOST, binaryPath);

  const urls = [];
  const registry = (env.npm_config_registry || "").trim();
  if (registry && !isDefaultNpmjsRegistry(registry) && isValidDownloadBase(registry)) {
    const base = new URL(registry);
    urls.push(joinUrl(base.origin + base.pathname, binaryPath));
  }
  if (!urls.includes(defaultUrl)) urls.push(defaultUrl);
  return urls;
}

function joinUrl(base, suffix) {
  return base.replace(/\/+$/, "") + suffix;