What do Node.js deprecation flags do: pending, trace and throw?
Node.js has three deprecation flags with different jobs. Learn when to use pending, trace and throw in tests before moving to a new Node major.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
Node.js has three deprecation flags with different jobs. Learn when to use pending, trace and throw in tests before moving to a new Node major.
A promise nobody handles can skip a security check or crash the process. How Node treats unhandled rejections and how no-floating-promises catches them.
A first-week checklist to teach a new engineer vulnerability triage: what to read, three alerts to walk through together, and when they can own the queue.
A five minute license check for a pull request that adds a dependency: identify the license, scope, transitive additions, and record the call.
Network inputs change, vanish or get replaced. Learn why guides treat them as volatile and how checksums, lockfiles and vendoring keep a build repeatable.
Newer NestJS docs describe app.useSecurityHeaders with Helmet 8 defaults on Express and Fastify. See the headers, call order rules and when Helmet fits.
In NestJS, ui:false hides Swagger UI but leaves api-json and api-yaml reachable. raw:false removes the definitions too. How to set each safely.
Register an auth guard with APP_GUARD so every route is protected by default, then mark public routes explicitly. Why this beats per route guards.
A security fix to a package with compiled code can behave differently on each OS and chip. Which platforms to test before you merge, and why.
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