Do I even need the asset pipeline with the webpack addition? I tend to author all javascript in app/javascript and then reach for the asset pipeline app/assets/ for any css, images or other assets the project I’m working on might require. It’s a good practice to separate concerns. The webpacker gem doesn’t depend on the asset pipeline directly though it does hook into a few rake commands bundled with each Rails installation rails assets:precompile for instance, will fire off both the asset pipeline compilation and the webpack command to compile down all assets in a given project utilizing both. Does webpack depend on the asset pipeline? Do they conflict? All assets associated with webpack now live inside an app/javascript directory. The asset pipeline still works as it should alongside the new webpack workflow. Realistically, in most cases, you don’t but it does make it easier to reach for modern front-end frameworks like Vue.js or React.js with minimal setup time. Common questions Why do I need webpack with Rails if the asset pipeline is already present? You can optionally choose to use the asset pipeline for images, fonts, css, and more leaning on webpacker for JavaScript. React, Angular, Elm and Vue support out-of-the-boxĪ lot of these things Rails already takes care of with the asset pipeline.Asset compression, source-maps, and minification. Automatic code splitting using multiple entry points. With Webpacker you gain these features and more: Doing this is no easy feat but the gem will take all the hard configurations out of the picture and ultimately just work. The point of adding webpack is to add new technologies that are so new that they need to be compiled down into more legacy code. We’ll leverage the webpacker gem (now part of Rails 6 by default) to incorporate more modern JavaScript into an already seasoned framework. Subscribe to my YouTube channel or newsletter for automatic updates
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