lex-builder

Fork of @atproto/lex-builder for web-based lexicon resolution.

Why fork?

The official package doesn't export LexDefBuilder (the class that does actual codegen), only the high-level build() function that writes to disk. We need in-memory codegen for serving TypeScript dynamically from a web endpoint.

Modifications

All patches are marked with [PATCH: inlay.at] comments.

index.ts

Added export * from './lex-def-builder.ts' to expose LexDefBuilder

ref-resolver.ts

Added absoluteImports, importBaseUrl, importSuffix options to RefResolverOptions
Modified resolveExternal() to generate absolute URLs (e.g., https://lex.val.run/nsid.ts?unpublished=...)

All files

Changed imports to npm: specifiers with pinned versions for Deno/Val Town compatibility
Changed local imports from .js to .ts extensions

Upstream

Source: https://github.com/bluesky-social/atproto/tree/main/packages/lex-builder Version: 0.0.3 (circa Feb 2025)

gaearon