AssetMapper: Modern JS with Zero Build System

Ever wanted to just... write modern JavaScript and have it work without needing to fuss with a build system?

Me too! And finally - thanks to advances in the web, web servers & new component from Symfony, it's possible! Hello AssetMapper! In this tutorial, we'll

• The basics of modern JavaScript in a browser, why & how things finally "just work" & shim
• Installing the new AssetMapper component
• Understanding asset "logical paths" & versioning
• Working with the new importmap.php file & importmap:require
• Using CSS, along with pre-processors like Sass or Tailwind
• Adding StimulusBundle & 3rd party UX controllers
• Lazy Stimulus controllers!
• Finding package files and (optionally) downloading them
• Page-specific CSS & JS
• Deploying!
• Measuring & tweaking performance + preloading
• With AssetMapper, it's back to the beautiful basics of coding, refreshing and getting back to work.