CasperSecurity
## 7.2.0 (2020-06-17)
### New features
Support optional chaining and nullish coalescing.
Support `import.meta`.
Add support for `export * as ns from "source"`.
## 7.1.1 (2020-02-13)
### Bug fixes
Clean up the type definitions to actually work well with the main parser.
## 7.1.0 (2020-02-11)
### New features
Add a TypeScript definition file for the library.
## 7.0.0 (2017-08-12)
### New features
Support walking `ImportExpression` nodes.
## 6.2.0 (2017-07-04)
### New features
Add support for `Import` nodes.
## 6.1.0 (2018-09-28)
### New features
The walker now walks `TemplateElement` nodes.
## 6.0.1 (2018-09-14)
### Bug fixes
Fix bad "main" field in package.json.
## 6.0.0 (2018-09-14)
### Breaking changes
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.
## 5.7.1 (2018-06-15)
### Bug fixes
Make sure the walker and bin files are rebuilt on release (the previous release didn't get the up-to-date versions).
## 5.7.0 (2018-06-15)
### Bug fixes
Fix crash in walker when walking a binding-less catch node.
## 5.6.2 (2018-06-05)
### Bug fixes
In the walker, go back to allowing the `baseVisitor` argument to be null to default to the default base everywhere.
## 5.6.1 (2018-06-01)
### Bug fixes
Fix regression when passing `null` as fourth argument to `walk.recursive`.
## 5.6.0 (2018-05-31)
### Bug fixes
Fix a bug in the walker that caused a crash when walking an object pattern spread.
## 5.5.1 (2018-03-06)
### Bug fixes
Fix regression in walker causing property values in object patterns to be walked as expressions.
## 5.5.0 (2018-02-27)
### Bug fixes
Support object spread in the AST walker.
## 5.4.1 (2018-02-02)
### Bug fixes
5.4.0 somehow accidentally included an old version of walk.js.
## 5.2.0 (2017-10-30)
### Bug fixes
The `full` and `fullAncestor` walkers no longer visit nodes multiple times.
## 5.1.0 (2017-07-05)
### New features
New walker functions `full` and `fullAncestor`.
## 3.2.0 (2016-06-07)
### New features
Make it possible to use `visit.ancestor` with a walk state.
## 3.1.0 (2016-04-18)
### New features
The walker now allows defining handlers for `CatchClause` nodes.
## 2.5.2 (2015-10-27)
### Fixes
Fix bug where the walker walked an exported `let` statement as an expression.