Topic

#Nodejs

29 articles on Nodejs — news, releases, guides and analysis from the SourceFeed engine.

Tutorial 1d ago 3

Resilient LLM Calls in TypeScript: Retries, Breakers, Fallbacks

Wrap Claude API calls with Cockatiel retries and a circuit breaker that fails over to a second model.

Priya Nair

Your Redis Wrapper Is Probably Lying to You

A Node.js client rewrite shows why returning null during outages is data loss, and why the big clients' defaults are no safer.

Article · 3d ago6

Node's Real Resilience Bug Is Policy Order, Not Breakers

Breakwater joins opossum and cockatiel with one genuinely new argument and a very young codebase.

Article · 3d ago2

Giant JSON Files Hit a Wall Long Before RAM Runs Out

Node's hard-coded string cap, not your heap, is the ceiling — and the real fix sits upstream of any parser.

Article · 4d ago4

Mutation Testing Finds What 100% Coverage Hides

A fully covered Node resilience library still shipped a metrics bug, and Stryker surfaced it in under six minutes.

Article · 4d ago5

Mongoose 9.9 Cuts Its ODM Tax Nearly in Half

No rewrite, just disciplined bookkeeping that pulls Mongoose closer to the raw driver on the paths that matter.

Article · 4d ago2

Verify Webhook Payloads: HMAC, Timestamps, and Replay Protection

Build an Express receiver that rejects forged, tampered, and replayed webhooks with constant-time HMAC checks.

Tutorial · 1w ago3

Your URLs Are Filenames Now

One dirty database field took down a static build, exposing a limit every file-per-route generator inherits.

Article · 1w ago0

A Schema Name Becomes a Shell in n8n's Latest RCE

Prototype pollution in n8n's XML and GSuiteAdmin nodes chains a poisoned env var straight to code execution — patch today.

Article · 1w ago0

Debug Node.js Memory Leaks with Chrome DevTools Heap Snapshots

Capture and diff heap snapshots to pinpoint exactly which objects are leaking in a running Node.js service.

Tutorial · 2w ago0

Implement SAML SSO for Enterprise Customers in Node.js

Wire samlify into Express to accept IdP-initiated logins from Okta and Entra ID, no auth vendor required.

Tutorial · 4w ago0

Add Passkeys to Your Web App with Node.js and WebAuthn

Ship Face ID and Touch ID sign-in using SimpleWebAuthn v13 and Express 5 in about 150 lines.

Tutorial · 1mo ago0

Build a Secure Express API with Helmet, Zod, and Rate Limiting

Scaffold an Express 5 REST API with security headers, schema validation, and request throttling built in.

Tutorial · 1mo ago0

Issue HMAC-Signed, Scoped API Keys for a Public REST API

Replace static bearer tokens with per-client HMAC request signing, scoped permissions, and replay protection in Node.js.

Tutorial · 1mo ago0

Add Google Sign-In to a Node.js App with OpenID Connect

Wire up Sign in with Google using OIDC discovery, verified ID tokens, and secure session cookies.

Tutorial · 1mo ago0

Catch Breaking API Changes Before They Ship with Pact

Wire consumer-driven Pact tests into CI so a backend deploy fails before it breaks your frontend.

Tutorial · 1mo ago0