add nextjs app

examples/next-js/.env.example

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+AUTH0_DOMAIN=
+AUTH0_CLIENT_ID=
+AUTH0_CALLBACK_URL=http://localhost:3000/auth/callback

examples/next-js/.gitignore

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+# 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
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local

examples/next-js/README.md

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+This is a [Next.js](https://nextjs.org/) project bootstrapped with [`create-next-app`](https://github.com/zeit/next.js/tree/canary/packages/create-next-app).
+
+## Getting Started
+
+First, run the development server:
+
+```bash
+npm run dev
+# or
+yarn dev
+```
+
+Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
+
+You can start editing the page by modifying `pages/index.js`. The page auto-updates as you edit the file.
+
+## Learn More
+
+To learn more about Next.js, take a look at the following resources:
+
+- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API.
+- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
+
+You can check out [the Next.js GitHub repository](https://github.com/zeit/next.js/) - your feedback and contributions are welcome!
+
+## Deploy on Vercel
+
+The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/import?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
+
+Check out our [Next.js deployment documentation](https://nextjs.org/docs/deployment) for more details.

examples/next-js/next-env.d.ts

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+/// <reference types="next" />
+/// <reference types="next/types/global" />

examples/next-js/next.config.js

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+require("dotenv").config();
+module.exports = {
+  env: {
+    AUTH0_DOMAIN: process.env.AUTH0_DOMAIN,
+    AUTH0_CLIENT_ID: process.env.AUTH0_CLIENT_ID,
+    AUTH0_REDIRECT_URI: process.env.AUTH0_REDIRECT_URI,
+  },
+};

examples/next-js/package.json

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+{
+  "name": "next-example",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start"
+  },
+  "dependencies": {
+    "@react-client-auth/auth0": "^1.0.1",
+    "@react-client-auth/core": "^1.0.0",
+    "dotenv": "^8.2.0",
+    "next": "9.3.6",
+    "react": "16.13.1",
+    "react-dom": "16.13.1"
+  }
+}

examples/next-js/pages/_app.tsx

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+import React from "react";
+import { SessionProvider } from "@react-client-auth/core";
+import { Auth0Service } from "@react-client-auth/auth0";
+
+const App = ({ Component, pageProps }) => {
+  const auth = new Auth0Service();
+  return (
+    <SessionProvider auth={auth}>
+      <Component {...pageProps} />
+    </SessionProvider>
+  );
+};
+
+export default App;

examples/next-js/pages/api/hello.js

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+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+
+export default (req, res) => {
+  res.statusCode = 200
+  res.json({ name: 'John Doe' })
+}

examples/next-js/pages/auth/callback.tsx

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+import * as React from "react";
+import { useRouter } from "next/router";
+import { useAuth } from "@react-client-auth/core";
+import { NextPage } from "next";
+
+const postLogin = (router) => {
+  const postLoginUrl = localStorage.getItem("postLoginUrl");
+  localStorage.removeItem("postLoginUrl");
+  router.push(postLoginUrl || "/");
+};
+
+const CallbackPage: NextPage = () => {
+  const session = useAuth();
+  const router = useRouter();
+
+  React.useEffect(() => {
+    if (/access_token|id_token|error/.test(location.hash)) {
+      session.auth
+        .handleAuthentication()
+        .then((user) => {
+          session.setUser(user);
+          postLogin(router);
+        })
+        .catch((error) => {
+          console.warn("auth0 authentication rejected", error);
+          router.push("/");
+        });
+    }
+  }, []);
+
+  return <pre>Loading ...</pre>;
+};
+
+export default CallbackPage;

examples/next-js/pages/index.tsx

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+import Head from "next/head";
+import { useAuth, Session } from "@react-client-auth/core";
+
+const SessionButton: React.FC<{ session: Session }> = ({ session }) => {
+  return session.user.isLoggedIn ? (
+    <a onClick={() => session.auth.logout()}>Log Out</a>
+  ) : (
+    <a onClick={() => session.auth.authorize()}>Sign In</a>
+  );
+};
+
+export default function Home() {
+  const session = useAuth();
+  const { user } = session;
+  return (
+    <div className="container">
+      <Head>
+        <title>Create Next App</title>
+        <link rel="icon" href="/favicon.ico" />
+      </Head>
+
+      <main>
+        <h1 className="title">React Client Auth Demo</h1>
+        <pre>
+          <a href="https://github.com/erikdstock/react-client-auth">
+            Repository
+          </a>
+        </pre>
+
+        <SessionButton session={session} />
+
+        <div className="grid">
+          {user.isLoggedIn && (
+            <div className="card">
+              <h3>Auth0 Profile</h3>
+              <img src={user.profile.picture} />
+              <p>{user.profile.nickname}</p>
+            </div>
+          )}
+        </div>
+      </main>
+
+      <footer>
+        <a
+          href="https://vercel.com?utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          Powered by{" "}
+          <img src="/vercel.svg" alt="Vercel Logo" className="logo" />
+        </a>
+      </footer>
+
+      <style jsx>{`
+        .container {
+          min-height: 100vh;
+          padding: 0 0.5rem;
+          display: flex;
+          flex-direction: column;
+          justify-content: center;
+          align-items: center;
+        }
+
+        main {
+          padding: 5rem 0;
+          flex: 1;
+          display: flex;
+          flex-direction: column;
+          justify-content: center;
+          align-items: center;
+        }
+
+        footer {
+          width: 100%;
+          height: 100px;
+          border-top: 1px solid #eaeaea;
+          display: flex;
+          justify-content: center;
+          align-items: center;
+        }
+
+        footer img {
+          margin-left: 0.5rem;
+        }
+
+        footer a {
+          display: flex;
+          justify-content: center;
+          align-items: center;
+        }
+
+        a {
+          color: inherit;
+          text-decoration: none;
+        }
+
+        .title a {
+          color: #0070f3;
+          text-decoration: none;
+        }
+
+        .title a:hover,
+        .title a:focus,
+        .title a:active {
+          text-decoration: underline;
+        }
+
+        .title {
+          margin: 0;
+          line-height: 1.15;
+          font-size: 4rem;
+        }
+
+        .title,
+        .description {
+          text-align: center;
+        }
+
+        .description {
+          line-height: 1.5;
+          font-size: 1.5rem;
+        }
+
+        code {
+          background: #fafafa;
+          border-radius: 5px;
+          padding: 0.75rem;
+          font-size: 1.1rem;
+          font-family: Menlo, Monaco, Lucida Console, Liberation Mono,
+            DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace;
+        }
+
+        .grid {
+          display: flex;
+          align-items: center;
+          justify-content: center;
+          flex-wrap: wrap;
+
+          max-width: 800px;
+          margin-top: 3rem;
+        }
+
+        .card {
+          margin: 1rem;
+          flex-basis: 45%;
+          padding: 1.5rem;
+          text-align: left;
+          color: inherit;
+          text-decoration: none;
+          border: 1px solid #eaeaea;
+          border-radius: 10px;
+          transition: color 0.15s ease, border-color 0.15s ease;
+        }
+
+        .card:hover,
+        .card:focus,
+        .card:active {
+          color: #0070f3;
+          border-color: #0070f3;
+        }
+
+        .card h3 {
+          margin: 0 0 1rem 0;
+          font-size: 1.5rem;
+        }
+
+        .card p {
+          margin: 0;
+          font-size: 1.25rem;
+          line-height: 1.5;
+        }
+
+        .logo {
+          height: 1em;
+        }
+
+        @media (max-width: 600px) {
+          .grid {
+            width: 100%;
+            flex-direction: column;
+          }
+        }
+      `}</style>
+
+      <style jsx global>{`
+        html,
+        body {
+          padding: 0;
+          margin: 0;
+          font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto,
+            Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue,
+            sans-serif;
+        }
+
+        * {
+          box-sizing: border-box;
+        }
+      `}</style>
+    </div>
+  );
+}

examples/next-js/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": [
+      "dom",
+      "dom.iterable",
+      "esnext"
+    ],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": false,
+    "forceConsistentCasingInFileNames": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve"
+  },
+  "exclude": [
+    "node_modules"
+  ],
+  "include": [
+    "next-env.d.ts",
+    "**/*.ts",
+    "**/*.tsx"
+  ]
+}