by AsyncOptics

AsyncOptics / async-optics

A node asynchronous process and package monitor

201 Stars 16 Forks Last release: Not found MIT License 179 Commits 0 Releases

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npm version

AsyncOptics is an asynchronous code viewer, performance monitor, and package monitor for Node.js and Mongodb applications. It is able to track and monitor asynchronous processes with Node.js' Async Hooks and Perf Hooks. The aggregated information is displayed in a Sankey diagram with hierarchical behavior of asynchronous functions and as a Sunburst graph for information of package monitoring. The Sankey diagram handles real-time changes for live testing and allows hovering capabilities to show specific information on desired functions on a lower panel.


  • npm i async-optics

How to use

const {asyncMonitor, pkgMonitor} = require('async-optics');
asyncMonitor(PortNumber);      // default 3000
pkgMonitor(complete path to package.json file);
  • run your program, go to http://localhost:PortNumber


  • async monitor

  • pkg monitor


This is an open source product, please feel free to fork and make pull requests!

Any suggestions are welcomed!


Aleksander Turberville | Sarah Renshaw | Penghe Wu | Ralph Salazar


This project is licensed under the MIT License - see the file for details


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