Add nextjs circular genome view demo

embedded_demos/jbrowse-react-circular-genome-view-nextjs/.eslintrc.json

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+{
+  "extends": "next/core-web-vitals"
+}

embedded_demos/jbrowse-react-circular-genome-view-nextjs/.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

embedded_demos/jbrowse-react-circular-genome-view-nextjs/README.md

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+# jbrowse-react-circular-genome-view-nextjs
+
+This is a demo of using the circular genome view with next.js (which uses
+webpack 5).
+
+# Demo of `@jbrowse/react-circular-genome-view` with next.js
+
+See this app running at https://jbrowse.org/demos/cgv-nextjs/.
+
+Download this directory from the monorepo using
+
+## Getting Started
+
+First, run the development server:
+
+```bash
+npm run dev
+# or
+yarn dev
+```
+
+## Deploy
+
+This page is deployed to https://jbrowse.org/demos/cgv-nextjs (uses
+`yarn build && yarn export` to create static build with no server side)
+
+## Notes
+
+Note that tsconfig.json had to be updated to target >ES5 and
+
+```
+transpilePackages: ['@jbrowse/react-circular-genome-view'],
+```
+
+added to the `next.config.js` file.

embedded_demos/jbrowse-react-circular-genome-view-nextjs/next-env.d.ts

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+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/basic-features/typescript for more information.

embedded_demos/jbrowse-react-circular-genome-view-nextjs/next.config.js

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+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  reactStrictMode: true,
+  basePath: '/demos/cgv-nextjs',
+}
+
+module.exports = nextConfig

embedded_demos/jbrowse-react-circular-genome-view-nextjs/package.json

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+{
+  "name": "jbrowse-react-circular-genome-view-next",
+  "version": "0.1.0",
+  "private": true,
+  "license": "MIT",
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "export": "next export",
+    "start": "next start",
+    "predeploy": "npm run build && npm run export",
+    "deploy": "aws s3 sync --delete out s3://jbrowse.org/demos/cgv-nextjs/",
+    "postdeploy": "aws cloudfront create-invalidation --distribution-id E13LGELJOT4GQO --paths \"/demos/cgv-nextjs/*\""
+  },
+  "dependencies": {
+    "@fontsource/roboto": "^4.5.7",
+    "@jbrowse/react-circular-genome-view": "^2.6.1",
+    "@jbrowse/react-linear-genome-view": "^2.0.0",
+    "next": "^13.0.7",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0"
+  },
+  "devDependencies": {
+    "@types/node": "^18.11.9",
+    "@types/react": "^18.0.25",
+    "@types/react-dom": "^18.0.9",
+    "eslint": "^8.28.0",
+    "eslint-config-next": "^13.0.4",
+    "typescript": "^4.9.3"
+  }
+}

embedded_demos/jbrowse-react-circular-genome-view-nextjs/pages/index.tsx

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+import React, { useState, useEffect } from 'react'
+import '@fontsource/roboto'
+import {
+  createViewState,
+  JBrowseCircularGenomeView,
+} from '@jbrowse/react-circular-genome-view'
+
+import assembly from '../utils/assembly'
+import tracks from '../utils/tracks'
+import defaultSession from '../utils/defaultSession'
+
+type ViewModel = ReturnType<typeof createViewState>
+
+function View() {
+  const [viewState, setViewState] = useState<ViewModel>()
+  const [patches, setPatches] = useState('')
+  const [stateSnapshot, setStateSnapshot] = useState('')
+
+  useEffect(() => {
+    const state = createViewState({
+      assembly,
+      tracks,
+      onChange: (patch: any) => {
+        setPatches(previous => previous + JSON.stringify(patch) + '\n')
+      },
+      defaultSession,
+    })
+    setViewState(state)
+  }, [])
+
+  if (!viewState) {
+    return null
+  }
+
+  return (
+    <>
+      <h1>JBrowse 2 React Circular Genome View Demo (with create-next-app)</h1>
+      <JBrowseCircularGenomeView viewState={viewState} />
+      <h3>Code</h3>
+      <p>
+        The code for this app is available at{' '}
+        <a
+          href="https://github.com/GMOD/jbrowse-components/tree/main/embedded_demos/jbrowse-react-circular-genome-view"
+          target="_blank"
+          rel="noreferrer"
+        >
+          https://github.com/GMOD/jbrowse-components/tree/main/embedded_demos/jbrowse-react-circular-genome-view
+        </a>
+        .
+      </p>
+      <h3>Control the view</h3>
+      <div>
+        <p>
+          This is an example of controlling the view from other elements on the
+          page. Clicking on a button will rotate the view.
+        </p>
+        <button
+          onClick={() => {
+            viewState.session.view.rotateClockwise()
+          }}
+        >
+          Rotate clockwise
+        </button>
+        <button
+          onClick={() => {
+            viewState.session.view.rotateCounterClockwise()
+          }}
+        >
+          Rotate counter clockwise
+        </button>
+      </div>
+      <h3>See the state</h3>
+      <div>
+        <p>
+          The button below will show you the current session, which includes
+          things like what region the view is showing and which tracks are open.
+          This session JSON object can be used in the{' '}
+          <code>defaultSession</code> of <code>createViewState</code>.
+        </p>
+        <button
+          onClick={() => {
+            setStateSnapshot(JSON.stringify(viewState.session, undefined, 2))
+          }}
+        >
+          Show session
+        </button>
+      </div>
+      <textarea value={stateSnapshot} readOnly rows={20} cols={80} />
+      <h3>React to the view</h3>
+      <p>
+        Using <code>onChange</code> in <code>createViewState</code>, you can
+        observe what is happening in the view and react to it. The changes in
+        the state of the view are emitted as{' '}
+        <a href="http://jsonpatch.com/" target="_blank" rel="noreferrer">
+          JSON patches
+        </a>
+        . The patches for the component on this page are shown below.
+      </p>
+      <textarea value={patches} readOnly rows={5} cols={80} wrap="off" />
+    </>
+  )
+}
+
+export default View

embedded_demos/jbrowse-react-circular-genome-view-nextjs/styles/Home.module.css

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+.container {
+  min-height: 100vh;
+  padding: 0 0.5rem;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+}
+
+.title a {
+  color: #0070f3;
+  text-decoration: none;
+}
+
+.title a:hover,
+.title a:focus,
+.title a:active {
+  text-decoration: underline;
+}
+
+.title {
+  margin: 0 0 1rem;
+  line-height: 1.15;
+  font-size: 3.6rem;
+}
+
+.title {
+  text-align: center;
+}
+
+.title,
+.description {
+  text-align: center;
+}
+
+.description {
+  line-height: 1.5;
+  font-size: 1.5rem;
+}
+
+.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;
+  }
+}

embedded_demos/jbrowse-react-circular-genome-view-nextjs/styles/globals.css

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+html,
+body {
+  padding: 0;
+  margin: 0;
+  font-family: Inter, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto,
+    Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
+}
+
+a {
+  color: inherit;
+  text-decoration: none;
+}
+
+* {
+  box-sizing: border-box;
+}
+
+img {
+  max-width: 100%;
+  height: auto;
+}
+
+h1,
+h2,
+p,
+ul {
+  margin: 0;
+}
+
+ul {
+  padding: 0;
+  list-style: none;
+}
+
+button {
+  padding: 0.5rem 1rem;
+  font-weight: bold;
+}

embedded_demos/jbrowse-react-circular-genome-view-nextjs/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "es2018",
+    "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",
+    "incremental": true
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
+  "exclude": ["node_modules"]
+}