mastercache/build/src/drivers/file/cleaner-worker.cjs

Multi-tier cache module for Node.js. Redis, Upstash, CloudfareKV, File, in-memory and others drivers

// src/drivers/file/cleaner-worker.ts
var import_node_path = require("path");
var import_node_worker_threads = require("worker_threads");
var import_promises = require("fs/promises");
var directory = import_node_worker_threads.workerData.directory;
var pruneIntervalInMs = import_node_worker_threads.workerData.pruneInterval;
async function deleteFileIfExpired(filePath) {
  const content = await (0, import_promises.readFile)(filePath, "utf-8");
  const [, expiresAt] = JSON.parse(content);
  const expiry = new Date(expiresAt).getTime();
  if (+expiry === -1) return;
  if (expiry < Date.now()) {
    await (0, import_promises.unlink)(filePath);
  }
}
async function prune() {
  const dirEntries = await (0, import_promises.readdir)(directory, { recursive: true, withFileTypes: true });
  for (const dirEntry of dirEntries) {
    if (dirEntry.isDirectory()) continue;
    const filePath = (0, import_node_path.join)(dirEntry.path, dirEntry.name);
    await deleteFileIfExpired(filePath).catch((error) => {
      console.error("[mastercache] file cleaner worker error", error);
    });
  }
}
setInterval(async () => {
  try {
    await prune();
  } catch (error) {
    console.error("[mastercache] file cleaner worker error", error);
  }
}, pruneIntervalInMs);
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