API

var babel = require("babel");

babel.transform(code, [options])

Transforms the passed in code. Returning an object with the generated code, source map, and AST.

babel.transform(code, [options]) // => { code, map, ast }

Example

var result = babel.transform("code();", options);
result.code;
result.map;
result.ast;

babel.transformFile(filename, [options], callback)

Asynchronously transforms the entire contents of a file.

babel.transformFile(filename, [options], callback)

Example

babel.transformFile("filename.js", options, function (err, result) {
  result; // => { code, map, ast }
});

babel.transformFileSync(filename, [options])

Synchronous version of babel.transformFile. Returns the transformed contents of the filename.

babel.transformFileSync(filename, [options]) // => { code, map, ast }

Example

babel.transformFileSync("filename.js", options).code;

require("babel-core")

While the regular babel package includes the CLI, we also publish a babel-core package that does not come with the CLI and has fewer dependencies for API-only users. The API itself is identical to the babel package.