About Boa

Boa is an open-source, experimental ECMAScript Engine written in Rust for lexing, parsing and executing ECMAScript/JavaScript. Currently, Boa supports some of the language. More information can be viewed at Boa's website.

Try out the most recent release with Boa's live demo playground.

Boa Crates

• boa_cli - Boa's CLI && REPL implementation
• boa_ast - Boa's ECMAScript Abstract Syntax Tree.
• boa_engine - Boa's implementation of ECMAScript builtin objects and execution.
• boa_gc - Boa's garbage collector.
• boa_icu_provider - Boa's ICU4X data provider.
• boa_interner - Boa's string interner.
• boa_macros - Boa's macros.
• boa_parser - Boa's lexer and parser.
• boa_runtime - Boa's WebAPI features.
• boa_string - Boa's ECMAScript string implementation.
• tag_ptr - Utility library that enables a pointer to be associated with a tag of type usize.
• small_btree - Utility library that adds the SmallBTreeMap data structure.