TL;DR
$ ember install ember-cli-postcss # Install ember-cli-postcss
$ npm install --save-dev tailwindcss # Install tailwindcss
$ npx tailwind init app/styles/tailwind.config.js # Optional: Generate a Tailwind config file for your project
$ npm install -save-dev postcss-import # Optional: If you want to use the @import statement
/* app/styles/app.css */
@import "tailwindcss/base";
@import "tailwindcss/components";
@import "tailwindcss/utilities";
// ember-cli-build.js
// ...
module.exports = function(defaults) {
let app = new EmberApp(defaults, {
postcssOptions: {
compile: {
plugins: [
// { module: require('postcss-import') }, // If you installed postcss-import
require('tailwindcss'),
// require('tailwindcss')('./app/styles/tailwind.config.js'), // If you have a Tailwind config file.
]
}
}
});
// ...
};
Overview
Tailwind CSS is a highly customizable, low-level CSS framework that gives you all of the building blocks you need to build bespoke designs without any annoying opinionated styles you have to fight to override.
The goal is to make your Ember.js app integrate with PostCSS and use Tailwind as a plugin.
PostCSS is a tool for CSS syntax transformations.
It allows you to define custom CSS like syntax that could be understandable and transformed by plugins.
There is a huge number of plugins, Tailwind been one of them.
Installing ember-cli-postcss
The first step is making your app integrate with PostCSS.
You can use an add-on that helps you integreate PostCSS with Ember.js, ember-cli-postcss
:
$ ember install ember-cli-postcss
For more about ember-cli-postcss
check out the documentation.
Install Tailwind
Now you can install the Tailwind package directly using npm
or yarn
:
# Using npm
$ npm install --save-dev tailwindcss
# Using Yarn
$ yarn add --dev tailwindcss
Add Tailwind to your CSS
After you install tailwind you need to use the @tailwind
directive to inject Tailwind's base
, components
, and utilities
styles into your CSS:
/* app/styles/app.css */
@import "tailwindcss/base";
@import "tailwindcss/components";
@import "tailwindcss/utilities";
Tailwind will swap these directives out at build time with all of its generated CSS.
Create your Tailwind config file (optional)
Note: If you don't need to customize your Tailwind installation you can skip this step, and do it when you need to.
If you'd like to customize your Tailwind installation, you can generate a config file for your project using the Tailwind CLI.
$ npx tailwind init app/styles/tailwind.config.js
For more about the Tailwind Configuration check out the documentation.
Process your CSS with Tailwind
The last step is adding Tailwind as a PostCSS plugin in your build chain.
This means adding tailwindcss
to the list of plugins you pass to ember-cli-postcss
in your ember-cli-build.js
.
// ember-cli-build.js
// ...
module.exports = function(defaults) {
let app = new EmberApp(defaults, {
postcssOptions: {
compile: {
plugins: [
require('tailwindcss'),
// require('tailwindcss')('./app/styles/tailwind.config.js'), // If you have a Tailwind config file.
]
}
}
});
// ...
};
Now your done, you have successfully added PostCSS and Tailwind to your app.
Install postcss-import
(optional)
To be able to import styles from other files with the @import
statement and split your CSS in multiple file, you need postcss-import
:
# Using npm
$ npm install --save-dev postcss-import
# Using Yarn
$ yarn add --dev postcss-import
Since postcss-import
is a PostCSS plugin (like tailwindcss
), you have to add it your build chain.
This means adding postcss-import
to the list of plugins you pass to ember-cli-postcss
in your ember-cli-build.js
.
// ember-cli-build.js
// ...
module.exports = function(defaults) {
let app = new EmberApp(defaults, {
postcssOptions: {
compile: {
plugins: [
{ module: require('postcss-import') },
require('tailwindcss'),
// require('tailwindcss')('./app/styles/tailwind.config.js'), // If you have a Tailwind config file.
]
}
}
});
// ...
};
Now you can use the @import
statement in your app.css
:
/* app/styles/app.css */
@import "tailwindcss/base";
@import "tailwindcss/components";
@import "tailwindcss/utilities";
@import "custom" /* This will import the CSS form custom.css */
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