Replaces a file extension with another one.

Store information about any JS value in a side channel, using a Map

Fixes stack traces for files with source maps

concatenative mapdashery

Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Fixes stack traces for files with source maps

`jest-haste-map` is a module used by Jest, a popular JavaScript testing framework, to create a fast lookup of files in a project. It helps Jest efficiently locate and track changes in files during testing, making it particularly useful for large projects

Get the file extension and MIME type from a file

m3u8 parser

Persistent ordered mapping from strings

A tool to open and run web extensions

Flowtype linting rules for ESLint.

TypeScript definitions for es6-weak-map

Extensions to Node.js child_process module

CLI for PostCSS

Converts a source-map from/to different formats and allows adding/changing properties.

[Experimental] - 🚇 File crawling, watching and mapping for Metro

just an object that maps `src` file extensions to `dest` file extensions as key/value pairs (e.g. `{'.less': '.css'}`). Useful for dynamically rewriting paths in tasks/plugins. pull requests welcome.

Applies source maps to stack traces, so a failing test points at the code you wrote rather than at the code Jest ran.

A command line tool to help build, run, and test web extensions