The package can now be loaded directly as an ECMAScript module in node 13+.
Support optional chaining and nullish coalescing.
Support import.meta.
Add support for export * as ns from "source".
Clean up the type definitions to actually work well with the main parser.
Add a TypeScript definition file for the library.
Support walking ImportExpression nodes.
Add support for Import nodes.
The walker now walks TemplateElement nodes.
Fix bad "main" field in package.json.
This is now a separate package, acorn-walk, rather than part of the main acorn package.
The ScopeBody and ScopeExpression meta-node-types are no longer supported.
Make sure the walker and bin files are rebuilt on release (the previous release didn't get the up-to-date versions).
Fix crash in walker when walking a binding-less catch node.
In the walker, go back to allowing the baseVisitor argument to be null to default to the default base everywhere.
Fix regression when passing null as fourth argument to walk.recursive.
Fix a bug in the walker that caused a crash when walking an object pattern spread.
Fix regression in walker causing property values in object patterns to be walked as expressions.
Support object spread in the AST walker.
5.4.0 somehow accidentally included an old version of walk.js.
The full and fullAncestor walkers no longer visit nodes multiple times.
New walker functions full and fullAncestor.
Make it possible to use visit.ancestor with a walk state.
The walker now allows defining handlers for CatchClause nodes.
Fix bug where the walker walked an exported let statement as an expression.