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wtfnode - Node.js Exit Debugger

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library 0.10.1 ·javascript
verified Jun 17, 2026

wtfnode is a utility designed to help Node.js developers diagnose why their applications are not exiting gracefully. It provides enhanced and human-readable insights into active event loop handles, such as timers, sockets, and servers, which prevent a Node.js process from terminating. Leveraging Node's internal `process._getActiveHandles()`, wtfnode breaks down complex handle information into actionable details, including call site origins for listeners, making it easier to pinpoint the exact code keeping a program alive. The current stable version, 0.10.1, functions as a crucial diagnostic tool for stalled applications, differentiating itself from raw Node.js introspection by offering a higher-level, more interpretable view of the event loop. Its release cadence is driven by the community's need for robust debugging solutions for persistent processes.

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