It can be used to catch all errors in the system and provide performance monitoring

Capture HAR files from a headless Chrome instance

Core engine for EasyDocs — generates OpenAPI specs from real API traffic. Local-first, self-hostable, open source.

TypeScript definitions for chrome-har-capturer

Capture canvas-based animations at a fixed framerate, with motion blur and modern encoders (WebCodecs).

A Karma plugin. Capture logs.

Parses, serializes, and manipulates MIME types, according to the WHATWG MIME Sniffing Standard

Toolkit for Node-RED: Modbus, production reporting, random generation, and device reporting nodes

Emulate console for all the browsers

Array#isArray for older browsers

Minimal lightweight logging for JavaScript, adding reliable log level methods to any available console.log methods

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

Fast (and loose) selective `process.env` replacer using js-tokens instead of an AST

Patch console methods to intercept output

Printing pretty tables on console log

Call a callback when a readable/writable/duplex stream has completed or failed.

Parses data: URLs

JSON.parse with bigints support

A library of cross-platform tested terminal/console command strings for doing things like color and cursor positioning. This is a subset of both ansi and vt100. All control codes included work on both Windows & Unix-like OSes, except where noted.

ANSI escape codes for styling strings in the terminal