{"id":63112,"library":"swc-ecma-transforms","title":"SWC ECMAScript Transforms","description":"Rust port of Babel and closure compiler.","status":"active","version":"55.0.1","language":"rust","source_language":null,"source_url":"https://github.com/swc-project/swc","tags":["swc","ecmascript","transforms","javascript","babel"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\nswc_ecma_transforms = \"55.0.1\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add swc_ecma_transforms","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"resolver","correct":"use swc_ecma_transforms::resolver;"}],"quickstart":{"code":"use swc_ecma_transforms::resolver;\nuse swc_ecma_parser::{Parser, StringInput, Syntax};\nuse swc_ecma_ast::Module;\n\nfn main() {\n    let code = \"const x = 1;\".to_string();\n    let input = StringInput::from(&code);\n    let mut parser = Parser::new(Syntax::default(), input);\n    let module: Module = parser.parse_module().unwrap();\n    let transformed = resolver()(module);\n    println!(\"Transformed module.\");\n}","lang":"rust","description":"Apply ECMAScript transforms (like Babel) to JavaScript code using SWC."},"warnings":[{"fix":"Pin to a specific version and check changelog before upgrading.","message":"API is unstable and changes frequently; breaking changes between minor versions.","severity":"breaking","affected_versions":">=55.0.0"}],"env_vars":null,"search_vec":"'babel':7,15 'closur':9 'compil':10 'ecmascript':2,12 'javascript':14 'port':5 'rust':4 'swc':1,11 'transform':3,13","created_at":"2026-06-17T16:39:55.734647+00:00","updated_at":"2026-06-17T16:39:55.734647+00:00","problems":[],"ecosystem":"crates","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://github.com/swc-project/swc","github":"https://github.com/swc-project/swc","docs":"https://docs.rs/swc_ecma_transforms/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["build-tool","other"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-17","next_check":"2026-12-14","install_tag":null}}