debug-js/debug

This system is a JavaScript debugging utility library that provides environment-aware logging for both Node.js and browser contexts. It automatically detects the runtime environment to apply appropriate output formatting, such as ANSI colors for terminals or CSS styles for browsers, while managing namespace filtering and time formatting. The library is structured with separate implementations for different platforms to ensure optimized console output across diverse JavaScript runtimes.

This change establishes the foundational structure of the repository by adding essential configuration and documentation files. It introduces an \.editorconfig\ to standardize coding styles (indentation, line endings) across different editors and languages, a \.travis.yml\ to configure continuous integration for Node.js versions 6 through 11, and a \LICENSE\ file defining the MIT license terms. The \README.md\ is added to provide comprehensive usage instructions, including environment variable configuration (\DEBUG\, \DEBUG\_COLORS\, etc.), formatter support, and platform-specific notes for Windows. Additionally, \karma.conf.js\ is added to set up browser-based testing with Karma and Browserify, and test files (\test.js\, \test.node.js\) are introduced to verify core functionality like namespace handling and formatting options. Legacy files such as \Makefile\, \History.md\, and the old \Readme.md\ are removed, and \.gitignore\ is updated to exclude build artifacts and lockfiles.

(repo-wide) · high confidence

The example application files (app.js and worker.js) have been removed from the repository. These files previously demonstrated how to use the debug module in a simple HTTP server and a background worker context.

example · high confidence

The \lib/debug.js\ file, which provided the core debugging functionality for the library (including colorized output and environment-based filtering), has been completely removed from the codebase. This deletion eliminates the previous version of the debug utility, indicating that the library's debugging capabilities have been refactored, replaced, or are no longer maintained in this specific location.

lib · high confidence

The debug library's source code has been restructured into distinct environment-specific modules (\src/browser.js\ and \src/node.js\) with a shared common logic layer (\src/common.js\). This change introduces a new entry point (\src/index.js\) that automatically detects the runtime environment—distinguishing between standard Node.js, Electron renderers, and NW.js—to load the appropriate implementation. For users, this ensures that browser-specific features like CSS-styled console output and \console.debug\ fallbacks are correctly applied in web contexts, while Node.js-specific features like ANSI color codes and TTY detection remain optimized for terminal output. The refactoring also consolidates common behaviors such as namespace handling, formatter logic, and the deprecated \destroy\ method into the shared module, improving maintainability without altering the public API.

src · high confidence

The debug utility has been upgraded from version 0.0.1 to 4.4.3, significantly expanding its runtime requirements to Node.js 6.0 and above. This update introduces the 'ms' library as a runtime dependency for time formatting and replaces the legacy build system with modern development dependencies, including Mocha 5.2, Karma for browser testing, and XO for linting. The package structure has been refactored to use ES modules in the 'src' directory, with explicit entry points for Node and browser environments, and 'supports-color' is now an optional peer dependency.

(dependencies) · high confidence

Written by watchdog.canine.dev from the codebase's own history, inside the signed delivery this page is composed from.

• CAI 42 → 44 (+1.2)
• Rubric changed (rubric-2026.09.12 → rubric-2026.09.18) — scores are not directly comparable.

• Code Health 63 → 65 (+1.1)
• Architecture 69 → 69 (+0.0)
• Maturity 46 → 46 (+0.0)
• Readiness 25 → 27 (+2.0)
• Security 97 → 98 (+0.8)

• Documentation: no installation or build instructions (README.md)
• Documentation: no licence statement (README.md)
• Documentation: no usage examples (README.md)

Written by watchdog.canine.dev from the codebase's own history, inside the signed delivery this page is composed from.

debug-js/debug was measured the same way every project in this corpus was: the same rubric, at a pinned commit, with the result published in full. Point a surveyor at a repository you know and see whether you agree with it.