web-infra-dev/oxc
Oxc
oxc is a high-performance JavaScript toolchain developed in Rust for parsing, transforming, and analyzing JavaScript and TypeScript source code. It provides a set of core utilities including a parser that converts code into an abstract syntax tree, a linter for identifying problematic patterns, a formatter for standardizing visual style, and a minifier for reducing production file sizes.
The project focuses on high-performance execution through a system design that utilizes single-pass parsing, zero-copy string slicing, and parallel worker processing to handle large codebases. It further optimizes efficiency using a biphasic syntax transformation model and lazy-loading module resolution.
The toolchain covers broad code analysis and transformation capabilities, including module path resolution and the ability to modify source code for different environments.
Features
- JavaScript and TypeScript Toolchains - Provides a high-performance integrated toolchain for parsing, linting, and minifying JavaScript and TypeScript codebases.
- JavaScript Minifiers - Ships a tool to reduce JavaScript file size for production through whitespace and identifier optimization.
- Code Formatting Tools - Ships a formatter to standardize visual style and ensure consistent formatting across JavaScript and TypeScript codebases.
- JavaScript Formatters - Implements a utility that standardizes the visual style and indentation of JavaScript and TypeScript source code.
- Static Code Linting - Includes a static analysis tool for identifying problematic patterns and enforcing coding standards.
- Single-Pass Parsing - Uses a single-pass parsing strategy to build abstract syntax trees with minimal memory overhead.
- JavaScript Linters - Provides a static analysis tool that identifies problematic patterns and enforces coding standards.
- Rust-Based Compilers - Cores are implemented in Rust to ensure high-performance execution for parsing and transformation tasks.
- JavaScript Source Parsers - Implements a fast compiler frontend that converts JavaScript and TypeScript code into an abstract syntax tree.
- Source Code Lexical Analyzers - Converts raw JavaScript and TypeScript source code into abstract syntax trees for analysis and modification.
- TypeScript and JavaScript Linting - Analyzes JavaScript and TypeScript source code to identify problematic patterns and enforce maintainability standards.
- JavaScript Minification - Reduces the size of JavaScript files for production by removing unnecessary characters and shortening identifiers.
- JavaScript and TypeScript Formatting - Provides dedicated styling and layout enforcement for JavaScript and TypeScript source code.
- Toolchain Parallelization - Distributes linting and formatting tasks across multiple CPU cores to process large codebases concurrently.
- Module Path Resolution - Provides an on-demand resolution mechanism for file paths and dependencies to avoid full project pre-scanning.
- Source Code Transformation Engines - Provides capabilities to modify source code and modern syntax into versions compatible with different target environments.
- Zero-Copy String Views - Utilizes zero-copy string slicing to reference original source text via offsets and lengths instead of new allocations.
- Direct File-to-Module Resolution - Maps import statements directly to their physical locations on disk to resolve JavaScript dependencies.
- Syntax Tree Transformers - Implements a biphasic system that separates syntax tree analysis from code generation to optimize transformation speed.
- Code Analysis Platforms - High-performance toolchain for JavaScript and TypeScript analysis.
- Instrumente pentru dezvoltatori - High-performance suite of tools written in Rust.
