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Nx, tailwindcss & Angular 11

3/16/2021 6d1a29edd7328c54925be2b26552db06

I spent a solid 3 days going through countless medium articles, reddit posts & documentations looking for a way to get tailwind to play ball with this setup. The easy part is getting tailwind to actually be a part of the bundle, but the hard part was getting the purging, @apply & scss building to work correctly

1 installing tailwind & webpack

npm install -D @tailwindcss/jit tailwindcss postcss webpack @angular-builders/custom-webpack --force

2 create a tailwind.scss file

keep the tailwind styles separate from your actual styles.scss & add this to a file called tailwind.scss in the src/ directory of your angular app

@import 'tailwindcss/base';
@import 'tailwindcss/components';
@import 'tailwindcss/utilities';

@layer base {
  p {
    @apply mb-3;

3 update nx workspace.json

set your to look like this, with tailwind.scss being the 1st element

    "styles": [

4 create a webpack.config.js & tailwind.config.js file

'use strict';
const webpack = require('webpack');

module.exports = {
  module: { 
    rules: [
        test: /tailwind\.scss$/,
        loader: 'postcss-loader',
        options: {
          postcssOptions: {
            ident: 'postcss',
            syntax: 'postcss-scss',
            plugins: [
        test: /\.scss$/,
        loader: 'sass-loader'
  plugins: []
// safelist array not currently supported, hack in a file with all safelisted classes
// for the tailwind/jit compiler to keep them in
module.exports = isProd => ({
  prefix: '',
  purge: {
    enabled: isProd,
    content: ['**/*.html', '**/*.ts', './apps/frontend/safelist.txt'],
    options: {
      safelist: []
  darkMode: false,
  theme: {},
  variants: {},
  plugins: []

For some reason I get a tonne of errors using module.exports as a function so I can't get the webpack env :/
but setting the false to be a true isn't too difficult on the isProd argument of the tailwind config require when performing a prod build so whatever

5 set angular to build using custom-webpack builder

for building:

"frontend": {
    "projectType": "application",
    "root": "apps/frontend",
    "sourceRoot": "apps/frontend/src",
    "prefix": "app",
    "targets": {
        "build": {
            "executor": "@angular-builders/custom-webpack:browser",
            "options": {
                "customWebpackConfig": {
                    "path": "apps/frontend/webpack.config.js"

and for serve:

"serve": {
    "executor": "@angular-builders/custom-webpack:dev-server",
    "configurations": {
        "development": {
            "browserTarget": "frontend:build:development",
            "proxyConfig": "apps/frontend/proxy.conf.json"