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How to install TailwindCSS 1.0 with Rails 6 Discussion

Hey Chirs!

Great video, only question I have about using tailwind with rails 6 is the theme config.

in the docs it says to place:

module.exports = {
  theme: {
    container: {
      center: true,
    },
  },
}

within tailwind.config.js however when i make this file it dosn't load and if i try to add it to the postcss coinfig it crashes and wont compile.. any solutions or suggestions?

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ok so I am a complete idiot..

all i had to do was run the following in my terminal

./node_modules/.bin/tailwind init path/to/app/tailwind.config.js

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I don't know if things have changed since this video was posted, but when editing postcss.config.js, you will want to have require('postcss-import') come before require('tailwindcss').

If you don't, tailwind will process the empty-ish file doing nothing (no @tailwind directives), and then the postcss import will pull in the tailwind imports.

Doing the import first means the @tailwind directives will be present when the tailwind processor runs.

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Anyone know if this is correct? Chris just went with pasting the requires above the require('postcss-import') which seems to make sense.

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require('postcss-import') should be at the top of postcss.config.js, it won't break @import 'file.css'; if using CSS instead of SCSS.

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This may have been true at one time, but having them in Chris' order is fine:
plugins: [
require('tailwindcss'),
require('autoprefixer'),
require('postcss-import'),
...

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Would it be sensible to use tailwindcss together with bootstrap, or is it really meant to replace bootstrap?

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This is definitely an alternative to something like Bootstrap. They're both full CSS frameworks albeit with different philosophies.

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Was app/javascript/stylesheets/ used because app/javascript/src/ was not yet the default?

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I am having a problem with tailwind and it seems it also occur here in the tutorial, whn I added tailwing because it is compiled with javascript, my styling does not apply on load until my javascript are loaded. is there any fix for this?

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To get this working on an existing app running Rails 6, I had to:

1) Create a tailwind.config.js file using yarn tailwindcss init and move it from the root to app/javascript/stylesheets
The official TailwindCSS documentation says this file is optional, but I couldn't get any default browser styles to change until I did this.
If you want the full TailwindCSS default theme, use yarn tailwindcss init --full. You can strip unused extras out on your production server with Purge-CSS later if you want.

2) Reinstall Webpacker. When I ran bin/webpack I got this error: "bin/webpack: No such file or directory".
bundle exec rake webpacker:install fixed it.

Config: Ruby 2.6.5 + Rails 6.0.3 + TailwindCSS 1.4.6

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Actually, after further testing I'm certain reinstalling Webpacker fixed it. (The config file had nothing to do with getting TailwindCSS working.)

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Does anybody knows how to fix this error in Rails 6.0.3 and TailwindCSS 2.0?

ERROR in ./app/javascript/stylesheets/application.scss (./node_modules/css-loader/dist/cjs.js??ref--7-1!./node_modules/postcss-loader/src??ref--7-2!./node_modules/sass-loader/dist/cjs.js??ref--7-3!./app/javascript/stylesheets/application.scss)
Module build failed (from ./node_modules/postcss-loader/src/index.js):
Error: PostCSS plugin tailwindcss requires PostCSS 8.
Migration guide for end-users:
https://github.com/postcss/postcss/wiki/PostCSS-8-for-end-users
at Processor.normalize (/Users/alex/Workspace/virtualfood/node_modules/postcss/lib/processor.js:153:15)
at new Processor (/Users/alex/Workspace/virtualfood/node_modules/postcss/lib/processor.js:56:25)
at postcss (/Users/alex/Workspace/virtualfood/node_modules/postcss/lib/postcss.js:55:10)
at /Users/alex/Workspace/virtualfood/node_modules/postcss-loader/src/index.js:140:12
@ ./app/javascript/stylesheets/application.scss 2:26-228
@ ./app/javascript/packs/application.js

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Hi I have same error , did you find a solution?
Thanks

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Yes, I created this template for the solution https://railsbytes.com/templates/XbBsG6

I hope it help you too!

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