Function parseUrl

src/lib/source-parser.ts:48–91

* Parse URL format into components

(url: string)

 * Parse URL format into components
 */
function parseUrl(url: string): ParsedSource {
  const urlObj = new URL(url);
  const host = urlObj.hostname.toLowerCase();

  let provider: GitProvider;
  if (GITHUB_HOSTS.has(host)) {
    provider = "github";
  } else if (GITLAB_HOSTS.has(host)) {
    provider = "gitlab";
  } else {
    throw new Error(
      `Unknown Git provider for host: ${host}. Supported providers: ${ALL_GIT_PROVIDERS.join(", ")}`,
    );
  }

  // Split by path segments
  const segments = urlObj.pathname.split("/").filter(Boolean);

  if (segments.length < 2) {
    throw new Error(`Invalid ${provider} URL: ${url}. Expected format: https://${host}/owner/repo`);
  }

  const owner = segments[0];
  const repo = segments[1]?.replace(/\.git$/, "");

  // Check for /tree/ref/path or /blob/ref/path pattern
  if (segments.length > 2 && (segments[2] === "tree" || segments[2] === "blob")) {
    const ref = segments[3];
    const path = segments.length > 4 ? segments.slice(4).join("/") : undefined;
    return {
      provider,
      owner: owner ?? "",
      repo: repo ?? "",
      ref,
      path,
    };
  }

  return {
    provider,
    owner: owner ?? "",
    repo: repo ?? "",
  };
}

/**
 * Parse shorthand format (without provider prefix)