{"id":18574,"library":"monk-middleware-wait-for-connection","title":"Monk Middleware Wait for Connection","description":"A thin middleware for the Monk MongoDB driver that defers all database operations until the underlying MongoDB connection is fully established. Version 0.2.0 is stable, released infrequently, and is part of the Monk middleware ecosystem. It prevents race conditions by queueing queries before the connection is ready. Unlike manual connection checks, this transparently applies to all collections registered in Monk.","status":"active","version":"0.2.0","language":"javascript","source_language":"en","source_url":"git://github.com/Automattic/monk","tags":["javascript","monk","middleware","wait","connection"],"install":[{"cmd":"npm install monk-middleware-wait-for-connection","lang":"bash","label":"npm"},{"cmd":"yarn add monk-middleware-wait-for-connection","lang":"bash","label":"yarn"},{"cmd":"pnpm add monk-middleware-wait-for-connection","lang":"bash","label":"pnpm"}],"dependencies":[],"imports":[{"note":"Default export. CommonJS require works but ESM is preferred in modern environments.","wrong":"const waitForConnection = require('monk-middleware-wait-for-connection')","symbol":"default","correct":"import waitForConnection from 'monk-middleware-wait-for-connection'"}],"quickstart":{"code":"import monk from 'monk';\nimport waitForConnection from 'monk-middleware-wait-for-connection';\n\nconst db = monk('localhost/mydb');\n\ndb.addMiddleware(waitForConnection);\n\nconst collection = db.get('mycollection');\n\n// This operation will wait until the connection is ready\ncollection.insert({ name: 'test' })\n  .then(doc => console.log('Inserted:', doc))\n  .catch(err => console.error('Error:', err));","lang":"javascript","description":"Shows how to apply the wait-for-connection middleware to a Monk database instance, ensuring that subsequent collection operations are queued until the MongoDB connection is established."},"warnings":[{"fix":"Ensure db.addMiddleware(waitForConnection) is called immediately after creating the Monk instance, before any collection.get() or queries.","message":"Middleware must be added before any operations are performed on collections, otherwise those operations may execute before the connection is ready.","severity":"gotcha","affected_versions":">=0.1.0"},{"fix":"Always use Monk's API (db.get(), collection.find(), etc.) to benefit from the middleware.","message":"This middleware only works with Monk's middleware system. If you bypass Monk and access the native MongoDB driver directly, the middleware will not be applied.","severity":"gotcha","affected_versions":">=0.1.0"}],"env_vars":null,"last_verified":"2026-04-25T00:00:00.000Z","next_check":"2026-07-24T00:00:00.000Z","problems":[{"fix":"Ensure you are using Monk version 5.x or later (where middleware was introduced). Upgrade monk to >=5.0.0.","cause":"Attempting to call addMiddleware on a Monk instance that does not support it (e.g., older Monk version or incorrect import).","error":"TypeError: db.addMiddleware is not a function"},{"fix":"Run 'npm install monk-middleware-wait-for-connection' to add the package.","cause":"Package not installed or not in node_modules.","error":"Error: Cannot find module 'monk-middleware-wait-for-connection'"}],"ecosystem":"npm","meta_description":null,"install_score":null,"install_tag":null,"quickstart_score":null,"quickstart_tag":null}