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GoogleChromeLabs avatar

GoogleChromeLabs/ndbArchived

0
View on GitHub↗

Ndb

ndb is a suite of development tools for Node.js that provides runtime inspection, performance profiling, and process management. It functions as a debugger that connects Node.js execution environments to the Chrome browser debugging interface for visual state management and breakpoint control.

The tool is distinguished by its ability to detect and attach to spawned child processes, maintaining debugging visibility across multiple process boundaries. It also integrates a source editor that allows users to modify code directly within the debugging interface and save those changes to disk during an active runtime session.

The platform includes performance profiling utilities to analyze memory usage and execution timing. Additional capabilities cover source map resolution, the filtering of third-party modules to isolate local source code, and the synchronization of active memory states with physical files.

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Features

  • Node.js Debuggers - Integrates Node.js execution with Chrome DevTools for visual inspection and runtime state management.
  • Automatic Child - Detects and connects to spawned child processes to maintain debugging visibility across process boundaries.
  • Child Process Debugging - Provides automatic debugging attachment for spawned child processes to maintain visibility across process boundaries.
  • DevTools Interfaces - Uses the Chrome DevTools interface as the primary visual debugger for Node.js runtime state.
  • JavaScript Engine Inspector Integration - Connects directly to the V8 engine inspector to enable breakpoints, stepping, and internal state inspection.
  • Performance Profilers - Provides tools for analyzing memory usage and execution timing to identify bottlenecks in Node.js applications.
  • Runtime Performance Profiling - Analyzes execution time and memory usage to identify and resolve system bottlenecks within Node.js applications.
  • Multi-Process Debugging - Maintains debugging visibility across multiple Node.js process boundaries by detecting and connecting to child processes.
  • Application Performance Profiling - Analyzes execution time and memory usage through sampling to identify and resolve system bottlenecks.
  • Live Source Editing - Allows modifying source code directly within the debugging interface and saving changes to disk during an active session.
  • Debugger State Syncing - Maps active debugger memory state back to physical files to enable direct source editing and saving.
  • Source Map Generators - Translates compiled or transformed code back to original source files for accurate line-by-line debugging.
  • Source Script Filtering - Hides third-party modules to allow developers to focus on local source code during debugging.
  • External Module Filtering - Filters out third-party modules and internal libraries to isolate and focus on local source code.
  • Integrated Source Editors - Integrates a source editor that allows modifying and saving files directly from the debugging interface.
  • Node.js Process Managers - Manages the lifecycle and attachment of child processes to maintain debugging visibility.
  • Debugging Tools - Improved Chrome DevTools debugging experience.
  • Platform Adapters - Improved debugging experience for Node.js applications.
10,874 stars·241 forks·JavaScript·Apache-2.0·14 views

Star history

Star history chart for googlechromelabs/ndbStar history chart for googlechromelabs/ndb

How this analysis was created: This summary and feature list are AI-generated from collected project material and can contain mistakes. Stars, license and language are imported from GitHub. Inclusion does not mean that we have tested or audited this project. Check the source documentation for any feature you depend on. Learn more on our About page.

Projects sharing features with Ndb

These projects share indexed features with Ndb. Shared tags can include platform or build tooling; verify the primary use case before treating a result as a replacement.
  • nswbmw/node-in-debuggingnswbmw avatar

    nswbmw/node-in-debugging

    6,457View on GitHub↗

    This project is a comprehensive technical guide and diagnostic manual for analyzing memory, performance, and asynchronous behavior within Node.js applications. It provides detailed methods for asynchronous tracing, memory diagnostics, and performance analysis to resolve runtime errors and execution bottlenecks. The resource distinguishes itself by covering advanced diagnostic workflows, including the use of flame graphs for CPU profiling, the capture and comparison of heap snapshots for memory leak detection, and the mapping of asynchronous call stacks. It also provides technical guidance on

    debugdebuggingguide
    View on GitHub↗6,457
  • node-inspector/node-inspectornode-inspector avatar

    node-inspector/node-inspector

    12,646View on GitHub↗

    node-inspector is a web-based debugger for Node.js applications that integrates the Blink developer tools interface. It functions as a runtime profiler and inspection suite, providing a remote debugging interface to connect a local browser to a Node.js process. The project enables live code iteration, allowing source code to be modified while the process is running and persisting those changes back to the physical file system. It also includes a JavaScript runtime profiler to monitor CPU and heap usage for identifying bottlenecks and memory leaks. The tool covers execution flow control throu

    JavaScript
    View on GitHub↗12,646
  • balloonwj/cppguideballoonwj avatar

    balloonwj/CppGuide

    6,030View on GitHub↗

    CppGuide is a curated collection of educational resources and practical guides focused on C++ server development, Linux kernel internals, concurrent programming, network protocols, and security exploitation. It provides structured learning paths for backend developers, covering everything from interview preparation to building high-performance network servers and understanding operating system fundamentals. The guide distinguishes itself by offering in-depth, hands-on tutorials that walk through real-world implementations, including building a Redis-like server from scratch, designing custom

    View on GitHub↗6,030
  • microsoft/vscode-js-debugmicrosoft avatar

    microsoft/vscode-js-debug

    1,950View on GitHub↗

    This project is a diagnostic adapter that connects code editors and standalone tools to running runtime processes using the standard Debug Adapter Protocol. It functions as a JavaScript and TypeScript debug implementation that maps compiled code back to original source files using sourcemaps, allowing developers to set breakpoints, inspect variables, and evaluate expressions without manual configuration. The tool handles cross-environment code execution by automatically attaching to child processes, worker threads, service workers, and terminal processes. It supports advanced debugging capabi

    TypeScriptdapdebughacktoberfest
    View on GitHub↗1,950
Compare all 30 related projects→

Frequently asked questions

What does googlechromelabs/ndb do?

ndb is a suite of development tools for Node.js that provides runtime inspection, performance profiling, and process management. It functions as a debugger that connects Node.js execution environments to the Chrome browser debugging interface for visual state management and breakpoint control.

What are the main features of googlechromelabs/ndb?

The main features of googlechromelabs/ndb are: Node.js Debuggers, Automatic Child, Child Process Debugging, DevTools Interfaces, JavaScript Engine Inspector Integration, Performance Profilers, Runtime Performance Profiling, Multi-Process Debugging.

Which projects share features with googlechromelabs/ndb?

Projects with overlapping indexed features include: nswbmw/node-in-debugging — This project is a comprehensive technical guide and diagnostic manual for analyzing memory, performance, and… node-inspector/node-inspector — node-inspector is a web-based debugger for Node.js applications that integrates the Blink developer tools interface.… microsoft/vscode-js-debug — This project is a diagnostic adapter that connects code editors and standalone tools to running runtime processes… balloonwj/cppguide — CppGuide is a curated collection of educational resources and practical guides focused on C++ server development,… barryvdh/laravel-debugbar — Laravel Debugbar is a web-based debugging toolbar and application profiler for Laravel. It provides a visual interface… kasketis/netfox — Netfox is an iOS and macOS network debugging library designed to intercept and monitor HTTP traffic. It functions as…