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vize_oxc_parser-0.709.0
Oxc Parser
High-performance JavaScript and TypeScript parser with comprehensive language support.
Overview
This crate provides a fast, spec-compliant parser for JavaScript and TypeScript that produces a complete Abstract Syntax Tree (AST). It supports all modern language features including JSX, TSX, and the latest ECMAScript proposals.
Key Features
- Complete language support: JavaScript, TypeScript, JSX, and TSX
- Latest ECMAScript: All stable ECMAScript features plus stage 3+ proposals
- High performance: Significantly faster than traditional parsers
- Error recovery: Continues parsing after errors to provide complete AST
- Comprehensive AST: Detailed node information with accurate source positions
Architecture
Parser Design
- Recursive descent: Traditional recursive descent parser architecture
- Error recovery: Sophisticated error recovery for IDE-friendly parsing
- Memory efficient: Uses arena allocation for optimal performance
- Streaming: Processes source text in a single pass
Language Support
- JavaScript: Full ECMAScript 2024+ support
- TypeScript: Complete TypeScript syntax including decorators
- JSX/TSX: React JSX and TypeScript JSX syntax
- Proposals: Stage 3 decorators and other advancing proposals
AST Structure
The parser produces an AST that closely follows ECMAScript specifications:
- Accurate positions: Every node has precise source location information
- Complete information: Preserves all syntactic details including trivia
- Type-safe: Leverages Rust's type system for correctness
- Visitor-friendly: Designed for easy traversal and transformation
The parser is designed as the foundation for all other oxc tools, providing the high-quality AST needed for analysis, transformation, and code generation.