Function githubApiRequest

src/api/utils/githubClient.ts:125–234

(
  url: string,
  options: RequestInit = {},
  env: CloudflareEnvironment,
  retryCount = 1,
  useAuth = true,
)

 * @returns The API response or null if failed
 */
export async function githubApiRequest(
  url: string,
  options: RequestInit = {},
  env: CloudflareEnvironment,
  retryCount = 1,
  useAuth = true,
): Promise<Response | null> {
  try {
    // Extract repository context for metrics
    const repoContext = extractRepoContextFromUrl(url);

    // Track GitHub query count using Cloudflare analytics
    if (env?.CLOUDFLARE_ANALYTICS && retryCount === 0) {
      env.CLOUDFLARE_ANALYTICS.writeDataPoint({
        blobs: [url, repoContext],
        doubles: [1],
        indexes: ["github_api_request"],
      });
    }

    // Wait for rate limit if necessary
    await respectRateLimits();

    // Add GitHub authentication if token is available and useAuth is true
    const headers = new Headers(options.headers || {});
    headers.set("Accept", "application/vnd.github.v3+json");
    headers.set(
      "User-Agent",
      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36",
    );

    if (useAuth && env.GITHUB_TOKEN) {
      headers.set("Authorization", `token ${env.GITHUB_TOKEN}`);
    }

    // Configure Cloudflare's tiered cache
    const cfCacheOptions = {
      cacheEverything: true,
      cacheTtlByStatus: {
        "200-299": 3600, // Cache successful responses for 1 hour
        "404": 60, // Cache "Not Found" responses for 60 seconds
        "500-599": 0, // Do not cache server error responses
      },
    };

    // Make the request with tiered cache
    const response = await fetch(url, {
      ...options,
      headers,
      credentials: "omit", // Avoid CORS issues
      cf: cfCacheOptions, // Use Cloudflare's tiered cache
    });

    // Update rate limit info from response headers
    updateRateLimitFromHeaders(response.headers);

    // Handle rate limiting (status 403 with specific message)
    if (response.status === 403) {