export async function getCachedFile()

in semantic-audio-search/utils.js [2:33]

• 27 lines of code
• 5 McCabe index (conditional complexity)

export async function getCachedFile(url) {
  let cache;
  try {
    cache = await caches.open("semantic-audio-search");
    const cachedResponse = await cache.match(url);
    if (cachedResponse) {
      return await cachedResponse.arrayBuffer();
    }
  } catch (e) {
    console.warn("Unable to open cache", e);
  }

  // No cache, or cache failed to open. Fetch the file.
  const response = await fetch(url);
  const buffer = await response.arrayBuffer();

  if (cache) {
    try {
      // NOTE: We use `new Response(buffer, ...)` instead of `response.clone()` to handle LFS files
      await cache.put(
        url,
        new Response(buffer, {
          headers: response.headers,
        }),
      );
    } catch (e) {
      console.warn("Unable to cache file", e);
    }
  }

  return buffer;
}