vercel · timneutkens · Jan 22, 2021 · Dec 16, 2020 · Dec 16, 2020 · Dec 16, 2020
diff --git a/examples/with-emotion-vanilla/.babelrc b/examples/with-emotion-vanilla/.babelrc
@@ -0,0 +1,4 @@
+{
+  "presets": [["next/babel"]],
+  "plugins": ["@emotion/babel-plugin"]
+}
diff --git a/examples/with-emotion-vanilla/.gitignore b/examples/with-emotion-vanilla/.gitignore
@@ -0,0 +1,34 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# vercel
+.vercel
diff --git a/examples/with-emotion-vanilla/README.md b/examples/with-emotion-vanilla/README.md
@@ -0,0 +1,24 @@
+# Emotion Vanilla Example
+
+Extract and inline critical css with
+[emotion](https://github.com/emotion-js/emotion/tree/master/packages/emotion),
+[@emotion/server](https://github.com/emotion-js/emotion/tree/master/packages/server),
+[@emotion/css](https://github.com/emotion-js/emotion/tree/master/packages/css)
+
+## Deploy your own
+
+Deploy the example using [Vercel](https://vercel.com):
+
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/import/project?template=https://github.com/vercel/next.js/tree/canary/examples/with-emotion-vanilla)
+
+## How to use
+
+Execute [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app) with [npm](https://docs.npmjs.com/cli/init) or [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/) to bootstrap the example:
+
+```bash
+npx create-next-app --example with-emotion-vanilla with-emotion-vanilla-app
+# or
+yarn create next-app --example with-emotion-vanilla with-emotion-vanilla-app
+```
+
+Deploy it to the cloud with [Vercel](https://vercel.com/import?filter=next.js&utm_source=github&utm_medium=readme&utm_campaign=next-example) ([Documentation](https://nextjs.org/docs/deployment)).
diff --git a/examples/with-emotion-vanilla/package.json b/examples/with-emotion-vanilla/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "with-emotion-vanilla",
+  "version": "1.0.0",
+  "scripts": {
+    "dev": "next",
+    "build": "next build",
+    "start": "next start"
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "@emotion/babel-plugin": "11.0.0"
+  },
+  "dependencies": {
+    "@emotion/css": "11.0.0",
+    "@emotion/server": "11.0.0",
+    "next": "latest",
+    "react": "^17.0.1",
+    "react-dom": "^17.0.1"
+  }
+}
diff --git a/examples/with-emotion-vanilla/pages/_document.js b/examples/with-emotion-vanilla/pages/_document.js
@@ -0,0 +1,34 @@
+import Document, { Html, Head, Main, NextScript } from 'next/document'
+import * as React from 'react'
+import { renderStatic } from '../shared/renderer'
+export default class AppDocument extends Document {
+  static async getInitialProps(ctx) {
+    const page = await ctx.renderPage()
+    const { css, ids } = await renderStatic(() => page.html)
+    const initialProps = await Document.getInitialProps(ctx)
+    return {
+      ...initialProps,
+      styles: (
+        <React.Fragment>
+          {initialProps.styles}
+          <style
+            data-emotion={`css ${ids.join(' ')}`}
+            dangerouslySetInnerHTML={{ __html: css }}
+          />
+        </React.Fragment>
+      ),
+    }
+  }
+
+  render() {
+    return (
+      <Html lang="en">
+        <Head />
+        <body>
+          <Main />
+          <NextScript />
+        </body>
+      </Html>
+    )
+  }
+}
diff --git a/examples/with-emotion-vanilla/pages/index.js b/examples/with-emotion-vanilla/pages/index.js
@@ -0,0 +1,30 @@
+import Head from 'next/head'
+import {
+  basicStyles,
+  otherStyles,
+  someMoreBasicStyles,
+  someCssAsObject,
+  combinedAsArray,
+  cxExample,
+  keyframesExample,
+} from '../shared/styles'
+
+const Home = () => (
+  <>
+    <Head>
+      <title>Emotion using the vanilla version supporting SSR</title>
+    </Head>
+    <div>
+      <h1>Emotion Vanilla example</h1>
+      <div className={basicStyles}>Basic styles using emotion</div>
+      <div className={otherStyles}>Some more styles using emotion</div>
+      <div className={someMoreBasicStyles}>Well why not here is some more</div>
+      <div className={someCssAsObject}>Object styles using emotion css</div>
+      <div className={combinedAsArray}>Array of styles using emotion css</div>
+      <div className={cxExample}>cx example from emotion</div>
+      <div className={keyframesExample} />
+    </div>
+  </>
+)
+
+export default Home
diff --git a/examples/with-emotion-vanilla/shared/renderer.js b/examples/with-emotion-vanilla/shared/renderer.js
@@ -0,0 +1,13 @@
+import createEmotionServer from '@emotion/server/create-instance'
+import { cache } from '@emotion/css'
+
+export const renderStatic = async (callback) => {
+  const html = callback()
+  if (html === undefined) {
+    throw new Error('did you forget to return html from renderToString?')
+  }
+  const { extractCritical } = createEmotionServer(cache)
+  const { ids, css } = extractCritical(html)
+
+  return { html, ids, css }
+}
diff --git a/examples/with-emotion-vanilla/shared/styles.js b/examples/with-emotion-vanilla/shared/styles.js
@@ -0,0 +1,102 @@
+import { css, cx, keyframes, injectGlobal } from '@emotion/css'
+
+injectGlobal`
+  * {
+    box-sizing: border-box;
+  }
+  body {
+    background: #DFCFBE;
+    font-family: Helvetica, sans-serif;
+  }
+`
+
+const basicStyles = css`
+  background-color: white;
+  color: cornflowerblue;
+  border: 1px solid lightgreen;
+  border-right: none;
+  border-bottom: none;
+  box-shadow: 5px 5px 0 0 lightgreen, 10px 10px 0 0 lightyellow;
+  transition: all 0.1s linear;
+  margin: 3rem 0;
+  padding: 1rem 0.5rem;
+`
+
+const otherStyles = css`
+  background-color: red;
+  padding: 10px;
+  margin-bottom: 10px;
+`
+
+const someMoreBasicStyles = css`
+  background-color: green;
+  color: white;
+  margin-bottom: 10px;
+  padding: 10px;
+`
+
+const someCssAsObject = css({
+  background: 'orange',
+  color: 'white',
+  padding: '10px',
+  marginBottom: '10px',
+})
+
+const combinedAsArray = css([someMoreBasicStyles, someCssAsObject])
+
+const cls1 = css`
+  font-size: 20px;
+  padding: 5px;
+  background: green;
+  color: orange;
+`
+const cls2 = css`
+  font-size: 20px;
+  padding: 15px;
+  background: blue;
+  color: white;
+`
+
+const cxExample = cx(cls1, cls2)
+
+const bounce = keyframes`
+  from, 20%, 53%, 80%, to {
+    transform: translate3d(0,0,0);
+  }
+
+  40%, 43% {
+    transform: translate3d(0, -30px, 0);
+  }
+
+  70% {
+    transform: translate3d(0, -15px, 0);
+  }
+
+  90% {
+    transform: translate3d(0,-4px,0);
+  }
+`
+
+const keyframesExample = css([
+  bounce,
+  css({
+    marginTop: '50px',
+    width: '20px',
+    height: '20px',
+    background: 'black',
+    borderRadius: '50%',
+    padding: '20px',
+    animation: `${bounce} 1s ease infinite`,
+    transformOrigin: 'center',
+  }),
+])
+
+export {
+  combinedAsArray,
+  cxExample,
+  keyframesExample,
+  someCssAsObject,
+  someMoreBasicStyles,
+  otherStyles,
+  basicStyles,
+}