importmap-rails
esbuild-rails
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importmap-rails | esbuild-rails | |
---|---|---|
25 | 3 | |
1,007 | 173 | |
2.0% | - | |
8.0 | 4.8 | |
7 days ago | 11 months ago | |
Ruby | JavaScript | |
MIT License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
importmap-rails
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RubyJS-Vite
With importmaps (https://github.com/rails/importmap-rails) and Hotwire (https://hotwired.dev/), you write plain js and serve it.
Also packages are served via CDN. There is no tree shaking. Rails got rid of the whole bundling step.
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First commits in a Ruby on Rails app
Importmap audit - “checks the NPM registry for known security issues”
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Asset compilation taking ~ 12 mins
It worked, but JS changes were not coming through. Digging into the Importmap docs (see 'sweeping the cache', it monitors changes according to the setting config.importmap.cache_sweepers. So, by adding the locations where I have my JS files, I also got JS changes passed through.
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Is the default importmap method unrealistic in the most popular real world use cases?
You can't use TypeScript, or anything that requires pre-compile, with importmap. answered issue
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Ruby on Rails with React on Typescript using importmaps
Let's begin by installing the necessary dependencies. The first gem generates the importmap object, manages caching, and helps with library installations, among other things. I recommend reading the entire readme to become familiar with its capabilities. The second gem will be discussed later, it is used to compile JSX files. Gemfile
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Pirep.io collects the unpublished, local knowledge on public, private, and unmapped airport that anyone can contribute to
Yeah, those were brand new right around the time I started this project a few years ago with Rails 7 (or was it 6.1?). I actually ended up removing them in favor of importmap-rails since I wanted as simple of a frontend as possible and I wasn't sure of relying on what was, at the time, a brand new way of doing frontend work. Things change so quickly in JS-land that I'm always hesitant to make something a dependency unless it has a strong track record of being continuously maintained.
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Dusting off my rails knowledge, need some tips / guidance on rails 7 and production
source "https://rubygems.org" git_source(:github) { |repo| "https://github.com/#{repo}.git" } ruby "3.1.0" # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main" gem "rails", "~> 7.0.4", ">= 7.0.4.2" # The original asset pipeline for Rails [https://github.com/rails/sprockets-rails] gem "sprockets-rails" # Use sqlite3 as the database for Active Record gem "sqlite3", "~> 1.4" # Use the Puma web server [https://github.com/puma/puma] gem "puma", "~> 5.0" # Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails] gem "importmap-rails" # Hotwire's SPA-like page accelerator [https://turbo.hotwired.dev] gem "turbo-rails" # Hotwire's modest JavaScript framework [https://stimulus.hotwired.dev] gem "stimulus-rails" # Build JSON APIs with ease [https://github.com/rails/jbuilder] gem "jbuilder" gem "mongoid" gem "mongoid-grid_fs" gem 'bootstrap', '~> 5.2.2' #sourced from https://github.com/twbs/bootstrap-rubygem gem 'rack-cors' # Windows does not include zoneinfo files, so bundle the tzinfo-data gem gem "tzinfo-data", platforms: %i[ mingw mswin x64_mingw jruby ] # Reduces boot times through caching; required in config/boot.rb gem "bootsnap", require: false
- Simple Modern JavaScript Using JavaScript Modules and Import Maps
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A powerful search feature with what Rails provides out of the box
Also, installing StimulusReflex seems quite not easy for the moment: It seems there are some quirks along the way if you're using import-maps for managing javascript dependencies as I do. Embracing the Rails way at least prevents you from this sort of issue.
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Stimulus MultiSelect
If you're using importmap-rails, you'll need to pin stimulus-multiselect:
esbuild-rails
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Is the default importmap method unrealistic in the most popular real world use cases?
Here's the setup I use for reloading with esbuild: https://github.com/excid3/esbuild-rails/blob/main/examples/esbuild.config.mjs
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Configure Stimulus with esbuild and Babel — Rails & Javascript
// config/esbuild.mjs import path from 'path' import esbuild from 'esbuild' import rails from 'esbuild-rails' import babel from 'esbuild-plugin-babel' esbuild .build({ bundle: true, // Path to application.js folder absWorkingDir: path.join(process.cwd(), 'app/javascript'), // Application.js file, used by Rails to bundle all JS Rails code entryPoints: ['application.js'], // Destination of JS bundle, points to the Rails JS Asset folder outdir: path.join(process.cwd(), 'app/assets/builds'), // Enables watch option. Will regenerate JS bundle if files are changed watch: process.argv.includes('--watch'), // Split option is disabled, only needed when using multiple input files // More information: https://esbuild.github.io/api/#splitting (change it if using multiple inputs) splitting: false, chunkNames: 'chunks/[name]-[hash]', // Remove unused JS methods treeShaking: true, // Adds mapping information so web browser console can map bundle errors to the corresponding // code line and column in the real code // More information: https://esbuild.github.io/api/#sourcemap sourcemap: process.argv.includes('--development'), // Compresses bundle // More information: https://esbuild.github.io/api/#minify minify: process.argv.includes('--production'), // Removes all console lines from bundle // More information: https://esbuild.github.io/api/#drop drop: process.argv.includes('--production') ? ['console'] : [], // Build command log output: https://esbuild.github.io/api/#log-level logLevel: 'info', // Set of ESLint plugins plugins: [ // Plugin to easily import Rails JS files, such as Stimulus controllers and channels // https://github.com/excid3/esbuild-rails rails(), // Configures bundle with Babel. Babel configuration defined in babel.config.js // Babel translates JS code to make it compatible with older JS versions. // https://github.com/nativew/esbuild-plugin-babel babel() ] }) .catch(() => process.exit(1))
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Live reloading with Ruby on Rails and esbuild
Finally, if you're using esbuild with Rails and Stimulus, you'll probably find the esbuild-rails plugin from Chris Oliver useful.
What are some alternatives?
jsbundling-rails - Bundle and transpile JavaScript in Rails with esbuild, rollup.js, or Webpack.
vite_ruby - ⚡️ Vite.js in Ruby, bringing joy to your JavaScript experience
esbuilder - Integrate esbuild into Rails
hotwire-livereload - Live reload gem for Hotwire Rails apps.
esbuild-plugin-alias - esbuild plugin for path aliases
esbuild-live-reload
Foreman - Manage Procfile-based applications
webpack - A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
Webpacker - Use Webpack to manage app-like JavaScript modules in Rails
sprockets-rails - Sprockets Rails integration