What is System.js?
It is a Universal Module Loader for JavaScript. If you've used RequireJs or a CommonJs bundler in the past, you have probably created modules.Configurable module loader enabling dynamic ES module workflows in browsers and NodeJS.
System.js is a tool in the JS Build Tools / JS Task Runners category of a tech stack.
System.js is an open source tool with 12.5K GitHub stars and 1.1K GitHub forks. Here’s a link to System.js's open source repository on GitHub
Who uses System.js?
Companies
4 companies reportedly use System.js in their tech stacks, including front-end, Web Frontend, and One Ticket v2.
Developers
8 developers on StackShare have stated that they use System.js.
Pros of System.js
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System.js's Features
- Compatibility with Webpack
- Polyfills for Older Browsers
- Loader Extensions
System.js Alternatives & Comparisons
What are some alternatives to System.js?
Webpack
A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows to load parts for the application on demand. Through "loaders" modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
gulp
Build system automating tasks: minification and copying of all JavaScript files, static images. More capable of watching files to automatically rerun the task when a file changes.
Grunt
The less work you have to do when performing repetitive tasks like minification, compilation, unit testing, linting, etc, the easier your job becomes. After you've configured it, a task runner can do most of that mundane work for you—and your team—with basically zero effort.
Parcel
Parcel is a web application bundler, differentiated by its developer experience. It offers blazing fast performance utilizing multicore processing, and requires zero configuration.
Vite
It is an opinionated web dev build tool that serves your code via native ES Module imports during dev and bundles it with Rollup for production.
