spt-booster-wasm

WebAssembly bindings for spt-booster

Overview

spt-booster-wasm provides JavaScript-compatible WASM bindings for the spt-booster code editing library. It uses the lite parser (no tree-sitter C dependencies) to keep the WASM binary small, and exposes wasm-bindgen interfaces so browser and Node.js consumers can call the booster API directly. This is the runtime used for Tier 1 Agent Booster transforms in browser-based agent environments.

Key Features

• wasm-bindgen interface -- JavaScript-callable API for code editing operations
• Lite parser only -- no tree-sitter C dependencies, keeping the WASM binary compact
• Console error panic hook -- improved error messages in browser dev tools
• Language and strategy enums -- WASM-compatible wrappers for all spt-booster enums
• Zero-copy serialization -- uses serde-wasm-bindgen for efficient JS/Rust data transfer

Dependencies

Key internal dependencies:

• spt-booster -- core editing library (with lite-parser feature)
• wasm-bindgen -- Rust/JS interop bindings
• serde-wasm-bindgen -- serialization bridge between JS values and Rust types

Usage

import init, { WasmBooster, WasmLanguage } from 'spt-booster-wasm';

await init();
const booster = new WasmBooster();
const result = booster.apply_edit("let x = 1;", "const x = 1;", WasmLanguage.JavaScript);

API Reference

Core Types

Type	Description
WasmLanguage	JavaScript-compatible language enum (JavaScript, TypeScript, Python, Rust, etc.)
WasmMergeStrategy	JavaScript-compatible merge strategy enum
init()	WASM module initializer with panic hook setup