@parcel/transformer-js

What is @parcel/transformer-js?

@parcel/transformer-js is a JavaScript transformer for Parcel, a web application bundler. It handles the transformation of JavaScript files, including modern JavaScript syntax, JSX, TypeScript, and more, into a format that can be understood by browsers.

What are @parcel/transformer-js's main functionalities?

Transforming Modern JavaScript

This feature allows you to transform modern JavaScript syntax (ES6+) into a format that is compatible with older browsers.

module.exports = function (bundler) {
  bundler.addAssetType('js', require.resolve('@parcel/transformer-js'));
};

Handling JSX

This feature enables the transformation of JSX syntax, commonly used with React, into standard JavaScript.

module.exports = function (bundler) {
  bundler.addAssetType('jsx', require.resolve('@parcel/transformer-js'));
};

TypeScript Support

This feature allows you to transform TypeScript files into JavaScript, making it possible to use TypeScript in your projects.

module.exports = function (bundler) {
  bundler.addAssetType('ts', require.resolve('@parcel/transformer-js'));
};

Other packages similar to @parcel/transformer-js

babel

Babel is a popular JavaScript compiler that transforms modern JavaScript into a version compatible with older environments. It offers extensive plugins and presets for handling various JavaScript features, including JSX and TypeScript. Compared to @parcel/transformer-js, Babel is more flexible and can be used independently of any bundler.

typescript

TypeScript is a language and a set of tools that transpile TypeScript code into JavaScript. It includes a compiler that can be used to transform TypeScript files. While @parcel/transformer-js can handle TypeScript as part of a larger build process, the TypeScript compiler is specifically focused on TypeScript and offers more fine-grained control over the transformation process.

esbuild

esbuild is an extremely fast JavaScript bundler and minifier. It supports modern JavaScript syntax, JSX, and TypeScript out of the box. Compared to @parcel/transformer-js, esbuild is known for its speed and efficiency, making it a good choice for large projects where build time is a concern.

README

The README file is missing

Changelog

[2.13.3] - 2024-12-16

Fixed

• Resolver
  • Ignore invalid package.json fields – Details