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Deprecate css examples
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Tim Neutkens
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{
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"presets": ["next/babel"],
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"plugins": [
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[
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"css-modules-transform", {
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"extensions": [".css", ".sass"],
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"append": [ "postcss-cssnext" ],
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"extractCss": "./static/css/bundle.css",
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"preprocessCss": "./pre-processor.js"
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}
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]
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]
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}
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1
examples/with-external-scoped-css/.gitignore
vendored
1
examples/with-external-scoped-css/.gitignore
vendored
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static
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[](https://deploy.now.sh/?repo=https://github.com/zeit/next.js/tree/master/examples/with-external-scoped-css)
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## Scoped Style with external CSS file
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The motivation for this example is using scoped css from external files and in the end generate a compiled static `.css` file to use in production..
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#### Running That
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# With external scoped css
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```
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yarn install
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yarn start
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```
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#### Supported Langs
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The plugin supports the `less`, `scss` and `css` file extensions. It is possible to add support for another pre-processor by creating a function to compile the code. In the example we use `sass` as our css pre-processor
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You need to edit the `.babelrc` and sometimes the `pre-processor.js` to work with another languages, if you want to use SCSS the solution and explanation (fit with other css-pre-processors) are in this issue <3 [#3053](https://github.com/zeit/next.js/issues/3053)
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#### Attention Points
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- Next.js doesn't have support for watching `*.css files. So you will have to edit a Javascript file to re-compile the css. In the future this will be fixed by [#823](https://github.com/zeit/next.js/pull/823).
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This example has been deprecated in favor of [@zeit/next-css](https://github.com/zeit/next-plugins/tree/master/packages/next-css).
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@mixin opacity($opacity)
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opacity: $opacity
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filter: alpha(opacity=($opacity * 100))
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{
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"name": "with-external-scoped-css",
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"version": "1.0.0",
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"main": "index.js",
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"license": "ISC",
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"author": "",
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"scripts": {
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"start": "next",
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"build": "next build",
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"run": "next start"
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},
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"dependencies":{
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"next": "latest",
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"react": "^16.0.0",
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"react-dom": "^16.0.0"
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},
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"devDependencies": {
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"babel-plugin-css-modules-transform": "^1.2.1",
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"node-sass": "^4.5.0",
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"postcss": "^5.2.16",
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"postcss-cssnext": "^2.10.0"
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}
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}
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import React from 'react'
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import Document, { Head, Main, NextScript } from 'next/document'
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export default class MyDocument extends Document {
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static getInitialProps ({ renderPage }) {
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const { html, head, errorHtml, chunks } = renderPage()
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return { html, head, errorHtml, chunks }
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}
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render () {
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return (
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<html>
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<Head>
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<link rel='stylesheet' href='/static/css/bundle.css' />
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</Head>
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<body>
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{this.props.customValue}
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<Main />
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<NextScript />
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</body>
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</html>
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)
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}
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}
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import React from 'react'
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import ss from './index.sass'
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export const IndexPage = () => (
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<div className={ss.example}>
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This is an example from scoped style in a outside CSS file {'<3'}
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</div>
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)
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export default IndexPage
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@import "../global"
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.example
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@include opacity(0.5)
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font-size: 36px
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width: 300px
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display: flex
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const sass = require('node-sass')
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module.exports = (data, filename) => {
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return sass.renderSync({
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data,
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file: filename,
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indentedSyntax: true,
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outputStyle: 'compressed'
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}).css.toString('utf8')
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}
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[](https://deploy.now.sh/?repo=https://github.com/zeit/next.js/tree/master/examples/with-scoped-stylesheets-and-postcss)
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# Scoped stylesheets with PostCSS example
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# Scoped stylesheets and PostCSS
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This is an example of using scoped stylesheets and PostCSS, heavily influenced by @davibe's [`with-global-stylesheet`](https://github.com/zeit/next.js/tree/master/examples/with-global-stylesheet).
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## How to use
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### Using `create-next-app`
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Download [`create-next-app`](https://github.com/segmentio/create-next-app) to bootstrap the example:
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```
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npm i -g create-next-app
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create-next-app --example with-scoped-stylesheets-and-postcss with-scoped-stylesheets-and-postcss-app
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```
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### Download manually
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Download the example [or clone the repo](https://github.com/zeit/next.js):
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```bash
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curl https://codeload.github.com/zeit/next.js/tar.gz/canary | tar -xz --strip=2 next.js-canary/examples/with-scoped-stylesheets-and-postcss
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cd with-scoped-stylesheets-and-postcss
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```
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To get this example running you must
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npm install .
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npm run dev
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Visit [http://localhost:3000](http://localhost:3000) and try edit `pages/styles.css`. Your changes should be picked up instantly.
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Deploy it to the cloud with [now](https://zeit.co/now) ([download](https://zeit.co/download))
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```bash
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now
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```
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# Why
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Scoped CSS is neat and keeps your JS clean. PostCSS is amazing for extended features, such as nesting. CSS Modules keep your class names “local”.
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# Known issues
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Composed CSS files are not watched by next.js, and thus, if you change one, nothing will happen. You'll need to edit a JS file or the CSS file you're composing for it to hot reload.
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This example has been deprecated in favor of the [@zeit/next-css](https://github.com/zeit/next-plugins/tree/master/packages/next-css#postcss-plugins) module.
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const fs = require('fs')
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const trash = require('trash')
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module.exports = {
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webpack: (config) => {
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config.plugins = config.plugins.filter(
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(plugin) => (plugin.constructor.name !== 'UglifyJsPlugin')
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)
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config.module.rules.push(
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{
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test: /\.css$/,
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use: [
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{
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loader: 'emit-file-loader',
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options: {
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name: 'dist/[path][name].[ext]'
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}
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},
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{
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loader: 'skeleton-loader',
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options: {
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procedure: function (content) {
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const fileName = `${this._module.userRequest}.json`
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const classNames = fs.readFileSync(fileName, 'utf8')
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trash(fileName)
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return ['module.exports = {',
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`classNames: ${classNames},`,
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`stylesheet: \`${content}\``,
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'}'
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].join('')
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}
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}
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},
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'postcss-loader'
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]
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}
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)
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return config
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}
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}
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{
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"name": "with-scoped-stylesheets-and-postcss",
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"version": "1.0.0",
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"scripts": {
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"dev": "next dev",
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"build": "next build",
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"start": "next start"
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},
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"author": "Thomas Lindstrøm <t@hom.as>",
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"license": "ISC",
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"dependencies": {
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"cssnano": "^3.10.0",
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"next": "latest",
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"postcss-cssnext": "^2.9.0",
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"postcss-loader": "^1.3.0",
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"postcss-modules": "^0.6.4",
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"react": "^16.0.0",
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"react-dom": "^16.0.0",
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"skeleton-loader": "^1.1.2",
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"trash": "^4.0.1"
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},
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"devDependencies": {
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"now": "^4.10.3"
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}
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}
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.font-color {
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color: blue;
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}
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import React from 'react'
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import Head from 'next/head'
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import {stylesheet, classNames} from './styles.css'
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export default () => (
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<p className={classNames.paragraph}>
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<Head><style dangerouslySetInnerHTML={{__html: stylesheet}} /></Head>
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bazinga
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</p>
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)
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.paragraph {
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composes: font-color from './global.css';
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font-size: 20px;
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}
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module.exports = {
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plugins: [
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require('postcss-cssnext')(),
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require('postcss-modules')({
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generateScopedName: '[local]-[hash:base64:5]'
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}),
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require('cssnano')()
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]
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}
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