Packages by rich-harris

Generate, and decode, base64 VLQ mappings for source maps and other uses

Cybernetically enhanced web apps

Parse in reverse

Gets the job done when JSON.stringify can't

Modify strings, generate sourcemaps

Acorn plugin that parses TypeScript

A tool for walking ASTs

Get the line and column number of a specific character in a string

Determine whether an AST node is a reference

Traverse an ESTree-compliant AST