@security-alliance/octokit-plugin-cache/dist-bundle/index.js

Octokit plugin for caching GitHub API responses

// pkg/dist-src/index.js
import { Octokit } from "@octokit/core";
import { LRUCache } from "lru-cache";

// pkg/dist-src/wrap-request.js
import { endpoint } from "@octokit/endpoint";
import { RequestError } from "@octokit/request-error";
function calculateCacheKey(options) {
  return endpoint(options).url;
}
async function wrapRequest(state, request, options) {
  if (options.method !== "GET") return await request(options);
  const cacheKey = calculateCacheKey(options);
  const cachedResponse = state.cache.get(cacheKey);
  if (cachedResponse !== void 0) {
    if (cachedResponse.headers.etag) {
      options.headers["if-none-match"] = cachedResponse.headers.etag;
    }
    if (cachedResponse.headers["last-modified"]) {
      options.headers["if-modified-since"] = cachedResponse.headers["last-modified"];
    }
  }
  try {
    const response = await request(options);
    if (response.status === 200) {
      state.cache.set(cacheKey, response);
    }
    return response;
  } catch (e) {
    if (e instanceof RequestError && e.status === 304 && cachedResponse !== void 0) return cachedResponse;
    throw e;
  }
}

// pkg/dist-src/index.js
var cache = (octokit, octokitOptions) => {
  const {
    enabled = true,
    options = {
      max: 1024,
      ttl: 1e3 * 60 * 60 * 6,
      maxEntrySize: 1024 * 16,
      sizeCalculation: (value) => {
        const contentLengthHeader = value.headers["content-length"];
        if (contentLengthHeader === void 0) return 1;
        return parseInt(contentLengthHeader.toString());
      }
    }
  } = octokitOptions.cache || {};
  if (!enabled) {
    return {};
  }
  const state = {
    cache: new LRUCache(options)
  };
  octokit.hook.wrap("request", wrapRequest.bind(null, state));
  return {};
};
export {
  cache
};