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Debugs native module crashes, optimizes V8 performance, configures node-gyp builds, writes N-API/node-addon-api bindings, and diagnoses libuv event loop issues…
Deep Node.js internals expertise for native modules, V8 optimization, libuv diagnostics, and C++ addon development. Covers V8 garbage collection, hidden classes, JIT compilation, and deoptimization tracing; libuv event loop phases, thread pool tuning, and async I/O patterns Provides N-API and node-addon-api binding patterns, native memory management, and segfault debugging with gdb/lldb Includes build system guidance for node-gyp, gyp, ninja, and cross-platform compilation; diagnostic decision trees for crashes, performance regressions, and build failures Organized as 20+ rule files with code examples covering streams, net, fs, crypto, child processes, and worker threads internals When to use Use this skill when you need deep Node.js internals expertise, including: C++ addon development V8 engine debugging libuv event loop issues Build system problems Compilation failures Performance optimization at the engine level Understanding Node.js core architecture How to use Read individual rule files for detailed explanations and code examples: V8 Engine
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