fix: example app

apollographql · Sep 26, 2020 · 513e561 · 513e561
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diff --git a/example/package.json b/example/package.json
@@ -0,0 +1,41 @@
+{
+  "name": "basic-apollo-app",
+  "version": "1.0.0",
+  "description": "sample",
+  "keywords": [
+    "react-apollo",
+    "auth",
+    "apollo",
+    "apollo-client"
+  ],
+  "homepage": "https://codesandbox.io/s/new",
+  "main": "src/index.js",
+  "dependencies": {
+    "apollo3-cache-persist": "../lib",
+    "@apollo/client": "3.2.1",
+    "graphql": "latest",
+    "graphql-tag": "latest",
+    "react": "16.13.0",
+    "react-dom": "16.13.1",
+    "react-scripts": "3.4.3"
+  },
+  "devDependencies": {},
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test --env=jsdom",
+    "eject": "react-scripts eject"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}
diff --git a/example/public/index.html b/example/public/index.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+	<meta charset="utf-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+	<meta name="theme-color" content="#000000">
+	<!--
+      manifest.json provides metadata used when your web app is added to the
+      homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
+    -->
+	<link rel="manifest" href="%PUBLIC_URL%/manifest.json">
+	<link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
+	<!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+	<title>React App</title>
+</head>
+
+<body>
+	<noscript>
+		You need to enable JavaScript to run this app.
+	</noscript>
+	<div id="root"></div>
+	<!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start` or `yarn start`.
+      To create a production bundle, use `npm run build` or `yarn build`.
+    -->
+</body>
+
+</html>
diff --git a/example/src/index.js b/example/src/index.js
@@ -0,0 +1,66 @@
+import React from 'react';
+import { render } from 'react-dom';
+
+import { ApolloProvider, ApolloClient } from '@apollo/client';
+import { Query, Mutation, Subscription } from '@apollo/client/react/components';
+import gql from 'graphql-tag';
+import { InMemoryCache } from '@apollo/client/core';
+import { CachePersistor } from 'apollo3-cache-persist';
+
+let persistor;
+
+async function createClient() {
+  const cache = new InMemoryCache({});
+  persistor = new CachePersistor({
+    storage: window.localStorage,
+    cache,
+  });
+  await persistor.restore();
+  return new ApolloClient({
+    uri: 'https://48p1r2roz4.sse.codesandbox.io',
+    cache,
+  });
+}
+
+const ratesGQL = gql`
+  {
+    rates(currency: "USD") {
+      currency
+      rate
+    }
+  }
+`;
+
+const ExchangeRates = () => (
+  <Query query={ratesGQL} fetchPolicy="network-only">
+    {({ loading, error, data }) => {
+      if (loading) return <p>Loading...</p>;
+      if (error) return <p>Error :(</p>;
+
+      return data.rates.map(({ currency, rate }) => (
+        <div key={currency}>
+          <p>
+            {currency}: {rate}
+          </p>
+        </div>
+      ));
+    }}
+  </Query>
+);
+
+createClient().then(client => {
+  const App = () => (
+    <ApolloProvider client={client}>
+      <div>
+        <h2>Cache Persist testing🚀</h2>
+        <ExchangeRates />
+      </div>
+    </ApolloProvider>
+  );
+
+  render(<App />, document.getElementById('root'));
+  setTimeout(() => {
+    client.resetStore();
+    persistor.purge();
+  }, 3000);
+});