10 examples of 'how to run react app locally' in JavaScript

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onLaunch () {
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  wrapper = ReactDOM.render(R.createElement(AppWrapper), document.getElementById('app'))
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}

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async run () {
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    await createForgaeProjectStructure(true);
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    await self.prepareProject();
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    console.log(`===== '${ self.name }' project successfully initialized. =====`);
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}

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function run(options, done) {
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  if (arguments.length === 1) {
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    done = options
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    options = {}
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  }
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  options = merge({
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    plugins: [],
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    children: require('./demo-data'),
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  }, options)
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  if (!options.PL) {
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    options.PL = require('../pl/mem')
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  }
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  var pl = new options.PL()
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  var db = new Db(pl)
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  db.init(function (err) {
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    if (err) return console.error('Failed to start db', err);
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    if (options.children) {
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      db.dump(db.root, options.children)
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    }
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    var plugins = []
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    options.plugins.forEach((plugin) => {
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      if (plugin.store) plugins.push(plugin.store)
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    })
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    var store = new MainStore({
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      plugins: plugins,
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      pl: db
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    })
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    window.store = store
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    window.actions = store.actions
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    done(store)
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  })
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}

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render (cb: () => void) {
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  wrapper.forceUpdate(cb)
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}

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function nativeReactInstall() {
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    if (!fs.existsSync(reactNativePath)) {
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        return
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    }
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    console.log('living in a react native world', reactVersion);
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    var reactVersion = require(path.join(reactNativePath, 'package.json')).version;
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    writeJSON('../package.json.' + Date.now(), pkg);
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    pkg.devDependencies = {};
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    delete pkg.peerDependencies.react;
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    pkg.peerDependencies["react-native"] = reactVersion;
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    pkg.main = "src/index"
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    writeJSON('../package.json', pkg);
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    write('../src/react.js', 'module.exports = require("react-native");\n');
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    if (fs.existsSync(reactPath)) {
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        console.log('removing non native react', reactPath);
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        deleteFolderRecursive(reactPath);
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    }
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}

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function run() {
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   let state = store.getState();
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   ReactDOM.render(
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               , document.getElementById('app'));
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}

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function renderApp(app) {
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  render(
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      {app}
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    ,
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    document.getElementById('react-root')
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  );
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}

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function renderApplication() {
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  ReactDOM.render(
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    ,
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    nullthrows(document.getElementById('application'))
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  );
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}

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function run_built_app() {
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	var spawn = require('child_process').spawn;
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	spawn('open', [ project.getBuildFile() ]);
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}

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runApp() {
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  if (this.state.isRunning) { return; }
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  var option = {
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    onMessage: this.onMessage,
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    onError: this.onError,
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    ledSwitch: this.ledSwitch,
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    turnOff: this.turnOff,
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    onFinish: this.onFinish
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  }
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  this.setState(function () {
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    return {
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      isRunning: true,
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      console: {}
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    }
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  });
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  this.sample = new Sample();
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  this.sample.run(option);
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}