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kodiakhq[bot] committed May 22, 2021
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35 changes: 33 additions & 2 deletions examples/with-patternfly/README.md
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# Patternfly example
# PatternFly 4 example

This example shows how to use Next.js along with [Patterfly](https://www.patternfly.org/v4/) including handling of external styles and assets. This is intended to show the integration of this design system with the Framework.
This example shows how to use Next.js with the [PatternFly 4](https://www.patternfly.org/v4/) design system.

## Deploy your own

Expand All @@ -19,3 +19,34 @@ yarn create next-app --example with-patternfly with-patternfly-app
```

Deploy it to the cloud with [Vercel](https://vercel.com/new?utm_source=github&utm_medium=readme&utm_campaign=next-example) ([Documentation](https://nextjs.org/docs/deployment)).

## Troubleshooting

### Global CSS cannot be imported from within node_modules

PatternFly 4 packages published on [npm](https://npm.org) use Global CSS imports for styling of React components, which is not supported by Next.js.
To workaround this issue, this example uses [next-transpile-modules](https://www.npmjs.com/package/next-transpile-modules) to transpile the packages during compilation.
As a consequence, all packages that depend on [@patternfly/react-styles](https://www.npmjs.com/package/@patternfly/react-styles) need to be transpiled as well.

If you receive this error, verify whether all packages that depend on [@patternfly/react-styles](https://www.npmjs.com/package/@patternfly/react-styles) are specified in [next.config.js](next.config.js).

### PatternFly components do not appear to be styled

If your Next.js application compiles successfully, but PatternFly components in your application do not appear to be styled, make sure you have applied the global PatternFly stylesheet in `pages/_app.js`:

```javascript
// In pages/_app.js
import App from 'next/app'
import '@patternfly/react-core/dist/styles/base.css'

...
```

### All components styles are imported when using a PatternFly component

This is expected behavior in development mode. Tree shaking will remove these imports in production builds.

## Useful Links

- [PatternFly 4 documentation](https://www.patternfly.org/v4/)
- [next-transpile-modules](https://www.npmjs.com/package/next-transpile-modules)
120 changes: 12 additions & 108 deletions examples/with-patternfly/next.config.js
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@@ -1,108 +1,12 @@
const path = require('path')
const withCSS = require('@zeit/next-css')

const withTM = require('next-transpile-modules')(['@patternfly'])

const BG_IMAGES_DIRNAME = 'bgimages'

module.exports = withCSS(
withTM({
// Webpack config from https://github.com/patternfly/patternfly-react-seed/blob/master/webpack.common.js
webpack(config) {
config.module.rules.push({
test: /\.(svg|ttf|eot|woff|woff2)$/,
// only process modules with this loader
// if they live under a 'fonts' or 'pficon' directory
include: [
path.resolve(__dirname, 'node_modules/patternfly/dist/fonts'),
path.resolve(
__dirname,
'node_modules/@patternfly/react-core/dist/styles/assets/fonts'
),
path.resolve(
__dirname,
'node_modules/@patternfly/react-core/dist/styles/assets/pficon'
),
path.resolve(
__dirname,
'node_modules/@patternfly/patternfly/assets/fonts'
),
path.resolve(
__dirname,
'node_modules/@patternfly/patternfly/assets/pficon'
),
],
use: {
loader: 'file-loader',
options: {
// Limit at 50k. larger files emitted into separate files
limit: 5000,
publicPath: '/_next/static/fonts/',
outputPath: 'static/fonts/',
name: '[name].[ext]',
esModule: false,
},
},
})

config.module.rules.push({
test: /\.svg$/,
include: (input) => input.indexOf('background-filter.svg') > 1,
use: [
{
loader: 'url-loader',
options: {
limit: 5000,
publicPath: '/_next/static/svgs/',
outputPath: 'static/svgs/',
name: '[name].[ext]',
},
},
],
})

config.module.rules.push({
test: /\.svg$/,
// only process SVG modules with this loader if they live under a 'bgimages' directory
// this is primarily useful when applying a CSS background using an SVG
include: (input) => input.indexOf(BG_IMAGES_DIRNAME) > -1,
use: {
loader: 'svg-url-loader',
options: {},
},
})

config.module.rules.push({
test: /\.svg$/,
// only process SVG modules with this loader when they don't live under a 'bgimages',
// 'fonts', or 'pficon' directory, those are handled with other loaders
include: (input) =>
input.indexOf(BG_IMAGES_DIRNAME) === -1 &&
input.indexOf('fonts') === -1 &&
input.indexOf('background-filter') === -1 &&
input.indexOf('pficon') === -1,
use: {
loader: 'raw-loader',
options: {},
},
})

config.module.rules.push({
test: /\.(jpg|jpeg|png|gif)$/i,
use: [
{
loader: 'url-loader',
options: {
limit: 5000,
publicPath: '/_next/static/images/',
outputPath: 'static/images/',
name: '[name].[ext]',
},
},
],
})

return config
},
})
)
// PatternFly 4 uses global CSS imports in its distribution files. Therefore,
// we need to transpile the modules before we can use them.
const withTM = require('next-transpile-modules')([
'@patternfly/react-core',
'@patternfly/react-styles',
])

module.exports = withTM({
future: {
webpack5: true,
},
})
17 changes: 6 additions & 11 deletions examples/with-patternfly/package.json
Original file line number Diff line number Diff line change
@@ -1,24 +1,19 @@
{
"name": "with-patternfly",
"author": "Daniel Reinoso <danielreinoso1807@gmail.com>",
"version": "1.0.0",
"version": "1.1.0",
"scripts": {
"dev": "next",
"build": "next build",
"start": "next start"
},
"dependencies": {
"@patternfly/react-core": "^4.50.2",
"@patternfly/react-core": "^4.121.1",
"@patternfly/react-icons": "^4.10.7",
"next": "latest",
"next-transpile-modules": "^4.1.0",
"react": "^16.13.1",
"react-dom": "^16.13.1"
},
"devDependencies": {
"@zeit/next-css": "^1.0.1",
"file-loader": "^6.1.0",
"svg-url-loader": "^6.0.0",
"url-loader": "^4.1.0"
"next-transpile-modules": "^7.2.0",
"react": "^17.0.2",
"react-dom": "^17.0.2"
},
"license": "MIT"
}
2 changes: 2 additions & 0 deletions examples/with-patternfly/pages/index.js
Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import { useState } from 'react'
import { Button, Wizard } from '@patternfly/react-core'
import { CogIcon } from '@patternfly/react-icons'

const steps = [
{ name: 'Step 1', component: <p>Step 1</p> },
Expand All @@ -17,6 +18,7 @@ export default function Home() {
variant="primary"
onClick={() => setIsOpen(true)}
style={{ margin: 20 }}
icon={<CogIcon />}
>
Show Wizard
</Button>
Expand Down
12 changes: 12 additions & 0 deletions packages/next/next-server/lib/utils.ts
Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,18 @@ export interface NextPageContext {
* `String` of the actual path including query.
*/
asPath?: string
/**
* The currently active locale
*/
locale?: string
/**
* All configured locales
*/
locales?: string[]
/**
* The configured default locale
*/
defaultLocale?: string
/**
* `Component` the tree of the App to use if needing to render separately
*/
Expand Down

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