async function updateCache()

in src/lib/server/providers/index.ts [79:105]

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

async function updateCache(provider: string, modelId: string, maxTokens: number): Promise<void> {
	try {
		let cache: MaxTokensCache;
		try {
			const data = await fs.readFile(CACHE_FILE_PATH, "utf-8");
			cache = JSON.parse(data) as MaxTokensCache;
		} catch (readError: unknown) {
			if (typeof readError === "object" && readError !== null && "code" in readError && readError.code === "ENOENT") {
				cache = {};
			} else {
				throw readError;
			}
		}
		if (!cache[provider]) {
			cache[provider] = {};
		}
		cache[provider][modelId] = maxTokens;
		const tempFilePath = CACHE_FILE_PATH + ".tmp";
		await fs.writeFile(tempFilePath, JSON.stringify(cache, null, "\t"), "utf-8");
		await fs.rename(tempFilePath, CACHE_FILE_PATH);
		memoryCache = cache;
		serverLog(`Cache updated for ${provider} - ${modelId}: ${maxTokens}`);
	} catch (error) {
		serverError(`Error updating context length cache for ${provider} - ${modelId}:`, error);
		memoryCache = null;
	}
}