Generates and consumes source maps

Trace the original position through a source map

jest snapshot serializer for reducing escapes in the snapshot file

HTML parser and serializer.

multi-level sourcemap

BDD style assertions for node and the browser.

Turn an object into a persistent execution context.

Add source maps of multiple files, offset them and then combine them into one source map

Modify strings, generate sourcemaps

PostCSS plugin to import CSS files

Browserify transform for JSX (a superset of JS used by React.js)

Fixes stack traces for files with source maps

Temporary files and directories

simplified stream construction

Apply a source map to a vinyl file, merging it with preexisting source maps