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ADD: Integracion con react
Desarrollo de aplicacion de ejemplo utilizando react. issue #32
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‎public/favicon.ico‎

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‎public/index.html‎

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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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<meta name="theme-color" content="#000000">
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<link href="https://fonts.googleapis.com/css?family=Lato" rel="stylesheet">
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<!--
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manifest.json provides metadata used when your web app is added to the
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homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
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-->
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<link rel="manifest" href="%PUBLIC_URL%/manifest.json">
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<link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
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<!--
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Notice the use of %PUBLIC_URL% in the tags above.
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It will be replaced with the URL of the `public` folder during the build.
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Only files inside the `public` folder can be referenced from the HTML.
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Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
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work correctly both with client-side routing and a non-root public URL.
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Learn how to configure a non-root public URL by running `npm run build`.
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-->
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<title>React App</title>
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</head>
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<body>
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<noscript>
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You need to enable JavaScript to run this app.
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</noscript>
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<div id="root"></div>
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<!--
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This HTML file is a template.
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If you open it directly in the browser, you will see an empty page.
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You can add webfonts, meta tags, or analytics to this file.
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The build step will place the bundled scripts into the <body> tag.
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To begin the development, run `npm start` or `yarn start`.
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To create a production bundle, use `npm run build` or `yarn build`.
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-->
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</body>
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</html>

‎public/manifest.json‎

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{
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"short_name": "React App",
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"name": "Create React App Sample",
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"icons": [
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{
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"src": "favicon.ico",
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"sizes": "192x192",
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"type": "image/png"
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}
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],
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"start_url": "./index.html",
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"display": "standalone",
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"theme_color": "#000000",
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"background_color": "#ffffff"
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}

‎src/app/App.css‎

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.App {
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text-align: center;
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}
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.Curso {
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background-color: #AEAEAE;
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width: 30em;
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margin: 1em auto;
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padding: 1em;
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border-radius: .3em;
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}

‎src/app/App.js‎

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import React from "react";
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import "./App.css";
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import { graphql } from "react-apollo";
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import gql from "graphql-tag";
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const App = (props) => {
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const { data } = props;
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let render = "";
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if (data.loading) {
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render = (
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<div className="App">
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<h1>Cargando</h1>
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</div>
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);
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} else {
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render = (
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<div className="App">
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<h1>Listado de Cursos</h1>
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{
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data.cursos.map(curso => (
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<div className="Curso">
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<h3>{curso.titulo}</h3>
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<p>{curso.descripcion}</p>
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<hr />
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<p>
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Profesor:
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{curso.profesor.nombre}
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</p>
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</div>
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))
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}
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</div>
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);
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}
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return render;
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};
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const CursosQuery = gql`
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query CursosQuery {
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cursos {
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titulo
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descripcion
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raiting
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profesor {
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nombre
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}
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}
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}
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`;
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export default graphql(CursosQuery, {
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options: {
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pollInterval: 2000,
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},
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})(App);

‎src/app/App.test.js‎

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import React from 'react';
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import ReactDOM from 'react-dom';
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import App from './App';
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it('renders without crashing', () => {
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const div = document.createElement('div');
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ReactDOM.render(<App />, div);
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});

‎src/app/index.css‎

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body {
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margin: 0;
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padding: 0;
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font-family: 'Lato', sans-serif;
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}

‎src/app/registerServiceWorker.js‎

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// In production, we register a service worker to serve assets from local cache.
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// This lets the app load faster on subsequent visits in production, and gives
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// it offline capabilities. However, it also means that developers (and users)
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// will only see deployed updates on the "N+1" visit to a page, since previously
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// cached resources are updated in the background.
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// To learn more about the benefits of this model, read https://goo.gl/KwvDNy.
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// This link also includes instructions on opting out of this behavior.
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export default function register() {
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if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
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window.addEventListener('load', () => {
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const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
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navigator.serviceWorker
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.register(swUrl)
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.then(registration => {
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registration.onupdatefound = () => {
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const installingWorker = registration.installing;
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installingWorker.onstatechange = () => {
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if (installingWorker.state === 'installed') {
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if (navigator.serviceWorker.controller) {
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// At this point, the old content will have been purged and
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// the fresh content will have been added to the cache.
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// It's the perfect time to display a "New content is
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// available; please refresh." message in your web app.
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console.log('New content is available; please refresh.');
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} else {
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// At this point, everything has been precached.
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// It's the perfect time to display a
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// "Content is cached for offline use." message.
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console.log('Content is cached for offline use.');
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}
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}
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};
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};
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})
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.catch(error => {
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console.error('Error during service worker registration:', error);
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});
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});
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}
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}
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export function unregister() {
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if ('serviceWorker' in navigator) {
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navigator.serviceWorker.ready.then(registration => {
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registration.unregister();
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});
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}
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}

‎src/index.js‎

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import React from "react";
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import ReactDOM from "react-dom";
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import ApolloClient from "apollo-boost";
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import { ApolloProvider } from "react-apollo";
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import registerServiceWorker from "./app/registerServiceWorker";
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import App from "./app/App";
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import "./app/index.css";
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const CLIENT_APOLLO = new ApolloClient({
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uri: "/api",
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});
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ReactDOM.render(
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<ApolloProvider client={CLIENT_APOLLO}>
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<App />
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</ApolloProvider>, document.getElementById("root"),
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);
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registerServiceWorker();

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