class Cache { async getItem(name) { let output = null; try { const storage = await Cache.storage(); output = await storage.getItem(name); } catch (error) { console.info(error); // Defaults to returning null } return output; } async setItem(name, value, ttl = null) { try { const storage = await Cache.storage(); const options = {}; if (ttl !== null) options.ttl = ttl; await storage.setItem(name, value, options); } catch (error) { // Defaults to not saving to cache } } } Cache.storage = async function() { if (Cache.storage_) return Cache.storage_; Cache.storage_ = require('node-persist'); await Cache.storage_.init({ dir: require('os').tmpdir() + '/joplin-cache', ttl: 1000 * 60 }); return Cache.storage_; }; module.exports = Cache;