feat: add unstyled react native example app

examples/reactnative/.buckconfig

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+
+[android]
+  target = Google Inc.:Google APIs:23
+
+[maven_repositories]
+  central = https://repo1.maven.org/maven2

examples/reactnative/.eslintrc.js

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+module.exports = {
+  root: true,
+  extends: '@react-native-community',
+};

examples/reactnative/.flowconfig

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+[ignore]
+; We fork some components by platform
+.*/*[.]android.js
+
+; Ignore "BUCK" generated dirs
+<PROJECT_ROOT>/\.buckd/
+
+; Ignore polyfills
+node_modules/react-native/Libraries/polyfills/.*
+
+; These should not be required directly
+; require from fbjs/lib instead: require('fbjs/lib/warning')
+node_modules/warning/.*
+
+; Flow doesn't support platforms
+.*/Libraries/Utilities/LoadingView.js
+
+[untyped]
+.*/node_modules/@react-native-community/cli/.*/.*
+
+[include]
+
+[libs]
+node_modules/react-native/Libraries/react-native/react-native-interface.js
+node_modules/react-native/flow/
+
+[options]
+emoji=true
+
+esproposal.optional_chaining=enable
+esproposal.nullish_coalescing=enable
+
+module.file_ext=.js
+module.file_ext=.json
+module.file_ext=.ios.js
+
+munge_underscores=true
+
+module.name_mapper='^react-native$' -> '<PROJECT_ROOT>/node_modules/react-native/Libraries/react-native/react-native-implementation'
+module.name_mapper='^react-native/\(.*\)$' -> '<PROJECT_ROOT>/node_modules/react-native/\1'
+module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> '<PROJECT_ROOT>/node_modules/react-native/Libraries/Image/RelativeImageStub'
+
+suppress_type=$FlowIssue
+suppress_type=$FlowFixMe
+suppress_type=$FlowFixMeProps
+suppress_type=$FlowFixMeState
+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native\\(_ios\\)?_\\(oss\\|fb\\)[a-z,_]*\\)?)\\)
+suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native\\(_ios\\)?_\\(oss\\|fb\\)[a-z,_]*\\)?)\\)?:? #[0-9]+
+suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
+
+[lints]
+sketchy-null-number=warn
+sketchy-null-mixed=warn
+sketchy-number=warn
+untyped-type-import=warn
+nonstrict-import=warn
+deprecated-type=warn
+unsafe-getters-setters=warn
+inexact-spread=warn
+unnecessary-invariant=warn
+signature-verification-failure=warn
+deprecated-utility=error
+
+[strict]
+deprecated-type
+nonstrict-import
+sketchy-null
+unclear-type
+unsafe-getters-setters
+untyped-import
+untyped-type-import
+
+[version]
+^0.105.0

examples/reactnative/.gitattributes

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+*.pbxproj -text

examples/reactnative/.gitignore

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+# OSX
+#
+.DS_Store
+
+# Xcode
+#
+ios/
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+
+# Android/IntelliJ
+#
+android/
+build/
+.idea
+.gradle
+local.properties
+*.iml
+
+# node.js
+#
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# BUCK
+buck-out/
+\.buckd/
+*.keystore
+!debug.keystore
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/
+
+*/fastlane/report.xml
+*/fastlane/Preview.html
+*/fastlane/screenshots
+
+# Bundle artifact
+*.jsbundle
+
+# CocoaPods
+/ios/Pods/

examples/reactnative/.prettierrc.js

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+module.exports = {
+  bracketSpacing: false,
+  jsxBracketSameLine: true,
+  singleQuote: true,
+  trailingComma: 'all',
+};

examples/reactnative/.watchmanconfig

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+{}

examples/reactnative/README.md

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+# Offix - React Native Todo Example App
+
+This example demonstrates how to get started using Offix in a React Native project. The app is a simple
+todo app making use of the `offix-client` and can be used as launch pad to getting started
+with Offix and make use of the features in the library.
+
+## Getting started
+
+Follow the React Native [getting started](https://reactnative.dev/docs/getting-started) guide, if you have not setup React Native already. 
+
+Note: this example app uses the React Native CLI and not Expo.
+
+### Setting up a server
+
+For simplicity, a Graphback runtime server is available in the server folder in the examples directory. Follow the gettings started instructions there to get started quickly.
+
+Alternatively, you can implement your own backend server.
+
+### Starting the client
+
+Next, configure the GraphQL server address in the `src/clientConfig.js` file:
+
+```
+
+...
+
+// Note for android build, you will need
+// the IP address for localhost,
+// usually 192.168.1.10:<PORT_NUMBER>
+const wsLink = new WebSocketLink({
+  uri: 'ws://<YOUR-SERVER-ADDRESS-HERE>',
+  ...
+});
+
+// Note for android build, you will need
+// the IP address for localhost,
+// usually 192.168.1.10:<PORT_NUMBER>
+const httpLink = new HttpLink({
+    uri: 'http://<YOUR-SERVER-ADDRESS-HERE>', 
+});
+
+...
+
+```
+
+### Starting the client
+
+Lastly, run the following commands from the React example folder.
+
+```
+yarn
+
+yarn start
+```
+
+To run ios: 
+```
+yarn ios
+```
+
+Or for Android:
+```
+yarn android
+```

examples/reactnative/__tests__/App-test.js

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+/**
+ * @format
+ */
+
+import 'react-native';
+import React from 'react';
+import App from '../App';
+
+// Note: test renderer must be required after react-native.
+import renderer from 'react-test-renderer';
+
+it('renders correctly', () => {
+  renderer.create(<App />);
+});

examples/reactnative/babel.config.js

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+module.exports = {
+  presets: ['module:metro-react-native-babel-preset'],
+};

examples/reactnative/index.js

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+/**
+ * @format
+ */
+
+import {AppRegistry} from 'react-native';
+import { Offix } from './src/Offix';
+import { name as appName } from './src/app.json';
+
+AppRegistry.registerComponent(appName, () => Offix);

examples/reactnative/metro.config.js

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+/**
+ * Metro configuration for React Native
+ * https://github.com/facebook/react-native
+ *
+ * @format
+ */
+
+module.exports = {
+  transformer: {
+    getTransformOptions: async () => ({
+      transform: {
+        experimentalImportSupport: false,
+        inlineRequires: false,
+      },
+    }),
+  },
+};

examples/reactnative/package.json

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+{
+  "name": "rnative",
+  "version": "0.0.1",
+  "private": true,
+  "scripts": {
+    "android": "react-native run-android",
+    "ios": "react-native run-ios",
+    "start": "react-native start",
+    "test": "jest",
+    "lint": "eslint ."
+  },
+  "dependencies": {
+    "@react-native-community/async-storage": "^1.8.1",
+    "@react-native-community/netinfo": "^5.6.2",
+    "apollo-client": "^2.6.8",
+    "apollo-link-ws": "^1.0.19",
+    "graphql": "^14.6.0",
+    "graphql-tag": "^2.10.3",
+    "offix-client": "^0.15.0",
+    "react": "16.9.0",
+    "react-apollo": "^3.1.3",
+    "react-native": "0.61.5",
+    "react-offix-hooks": "^0.15.0",
+    "subscriptions-transport-ws": "^0.9.16"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.6.2",
+    "@babel/runtime": "^7.6.2",
+    "@react-native-community/eslint-config": "^0.0.5",
+    "babel-jest": "^24.9.0",
+    "eslint": "^6.5.1",
+    "jest": "^24.9.0",
+    "metro-react-native-babel-preset": "^0.56.0",
+    "react-test-renderer": "16.9.0"
+  },
+  "jest": {
+    "preset": "react-native"
+  }
+}

examples/reactnative/src/App.js

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+import React, { useState } from 'react';
+import { useQuery } from '@apollo/react-hooks';
+import { useOfflineMutation, useNetworkStatus } from 'react-offix-hooks';
+import { AddTodo, TodoList, TodoModal, Loading, Error } from './components';
+import { GET_TODOS, ADD_TODO } from './gql/queries';
+import { mutateOptions } from './helpers';
+import { View, Text, Button } from 'react-native';
+
+const App = () => {
+  const { loading, error, data, subscribeToMore } = useQuery(GET_TODOS);
+  const [addTodo] = useOfflineMutation(ADD_TODO, mutateOptions.add);
+  const [modalActive, setModalActive] = useState(false);
+
+  const isOnline = useNetworkStatus();
+
+  const toggleModal = () => {
+    setModalActive(!modalActive);
+  };
+
+  if (loading) return <Loading />;
+
+  if (error) return <Error error={error} />;
+
+  return (
+    <View>
+      <View>
+        <Text>OFFIX TODO</Text>
+        <Text>A simple todo app using offix & graphback</Text>
+        <Text>Network status: {(isOnline) ? 'Online' : 'Offline'}</Text>
+      </View>
+
+      <TodoModal
+        title="Create a task"
+        subtitle=""
+        active={modalActive}
+        close={toggleModal}
+        Component={() => <AddTodo addTodo={addTodo} cancel={toggleModal} />}
+      />
+
+      <View>
+        <Button title="Add" onPress={toggleModal} />
+      </View>
+
+      <View>
+        <TodoList todos={data.findAllTodos} subscribeToMore={subscribeToMore} />
+      </View>
+    </View>
+  );
+};
+
+export default App;

examples/reactnative/src/Offix.js

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+import React, { useState, useEffect } from 'react';
+import { ApolloOfflineClient } from 'offix-client';
+import { ApolloOfflineProvider } from 'react-offix-hooks';
+import { ApolloProvider } from '@apollo/react-hooks';
+import App from './App';
+import { Loading } from './components';
+import { clientConfig } from './clientConfig';
+
+const client = new ApolloOfflineClient(clientConfig);
+
+export const Offix = () => {
+  const [initialized, setInitialized] = useState(false);
+
+  useEffect(() => {
+    client.init().then(() => setInitialized(true));
+  }, []);
+
+  // If client is still initializing,
+  // display loading screen
+  if (!initialized) return <Loading />;
+
+  return (
+    <ApolloOfflineProvider client={client}>
+      <ApolloProvider client={client}>
+        <App />
+      </ApolloProvider>
+    </ApolloOfflineProvider>
+  );
+};