export async function cacheUpdate()

in javascript/cache.js [270:316]
36 lines of code
1 McCabe index (conditional complexity)

export async function cacheUpdate() {
  // [START cache_update]
  // Make sure to include the following import:
  // import {GoogleGenAI} from '@google/genai';
  const ai = new GoogleGenAI({ apiKey: process.env.GEMINI_API_KEY });
  const filePath = path.join(media, "a11.txt");
  const document = await ai.files.upload({
    file: filePath,
    config: { mimeType: "text/plain" },
  });
  console.log("Uploaded file name:", document.name);
  const modelName = "gemini-1.5-flash-001";

  const contents = [
    createUserContent(createPartFromUri(document.uri, document.mimeType)),
  ];

  let cache = await ai.caches.create({
    model: modelName,
    config: {
      contents: contents,
      systemInstruction: "You are an expert analyzing transcripts.",
    },
  });

  // Update the cache's time-to-live (ttl)
  const ttl = `${2 * 3600}s`; // 2 hours in seconds
  cache = await ai.caches.update({
    name: cache.name,
    config: { ttl },
  });
  console.log("After update (TTL):", cache);

  // Alternatively, update the expire_time directly (in RFC 3339 format with a "Z" suffix)
  const expireTime = new Date(Date.now() + 15 * 60000)
    .toISOString()
    .replace(/\.\d{3}Z$/, "Z");
  cache = await ai.caches.update({
    name: cache.name,
    config: { expireTime: expireTime },
  });
  console.log("After update (expire_time):", cache);
  // [END cache_update]

  await ai.caches.delete({ name: cache.name });
  return cache;
}