Front End Development for Back End Developers - UberConf 2017
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The document is about modern front-end development for back-end developers, covering various JavaScript frameworks like Angular, React, and Vue.js, and tools such as TypeScript, Webpack, and Gulp. It includes best practices for performance optimization, security guidelines, and insights on popular libraries and frameworks as of July 2017. Additionally, it emphasizes the importance of learning new technologies and staying updated in the fast-evolving web development landscape.
![Gulp
gulp.task('serve', function() {
browserSync.init({
server: './app'
});
gulp.watch(['app/**/*.js', 'app/**/*.css', 'app/**/*.html'])
.on('change', browserSync.reload);
});](https://image.slidesharecdn.com/frontenddevelopmentforbackenddevelopers-uberconf2017-170722184124/85/Front-End-Development-for-Back-End-Developers-UberConf-2017-26-320.jpg)
![webpack.config.js
module.exports = {
entry: './src/app.js',
output: {
path: __dirname + '/src/main/webapp/public',
filename: 'bundle.js'
},
module: {
loaders: [
{
test: /.js$/,
loader: 'babel',
exclude: /node_modules/,
query: {
presets: ['es2015', 'react']
}
}
]
}
};](https://image.slidesharecdn.com/frontenddevelopmentforbackenddevelopers-uberconf2017-170722184124/85/Front-End-Development-for-Back-End-Developers-UberConf-2017-28-320.jpg)
![Hello World with Angular
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { HttpModule } from '@angular/http';
import { AppComponent } from './app.component';
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
FormsModule,
HttpModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }](https://image.slidesharecdn.com/frontenddevelopmentforbackenddevelopers-uberconf2017-170722184124/85/Front-End-Development-for-Back-End-Developers-UberConf-2017-41-320.jpg)
Front End Development for Back End Developers - UberConf 2017
- 1. Matt Raible | @mraible Front End Development for Back End Developers July 21, 2017 #UberConf17
- 2. Blogger on raibledesigns.com Web Developer and Java Champion Father, Skier, Mountain Biker, Whitewater Rafter Open Source Connoisseur Who is Matt Raible? Bus Lover Okta Developer Advocate
- 7. What about You? How many consider themselves backend developers? Java, .NET, Python, or Node.js? Do you write code for UIs? Do you like JavaScript? What JavaScript Frameworks do you use?
- 8. My Web Dev Journey
- 9. What is modern front end development?
- 10. Web Frameworks Over the Years https://github.com/mraible/history-of-web-frameworks-timeline
- 11. JSF https://zeroturnaround.com/webframeworksindex ❤
- 15. Let’s do some learning!
- 16. ES6, ES7 and TypeScript ES5: es5.github.io ES6: git.io/es6features ES7: bit.ly/es7features TS: www.typescriptlang.org TSES7ES6ES5
- 19. TypeScript $ npm install -g typescript function greeter(person: string) { return "Hello, " + person; } var user = "Jane User"; document.body.innerHTML = greeter(user); $ tsc greeter.ts https://www.typescriptlang.org/docs/tutorial.html
- 20. bus.ts
- 21. TypeScript 2.3
- 22. “Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js uses an event-driven, non- blocking I/O model that makes it lightweight and efficient. Node.js' package ecosystem, npm, is the largest ecosystem of open source libraries in the world.” https://nodejs.org https://github.com/creationix/nvm
- 23. Front End Build Tools Old School: Gulp New School: SystemJS Hip: Webpack Web Dependencies: Old School: Bower New School: npm Hip: yarn
- 24. Yeoman The web's scaffolding tool for modern webapps Helps you kickstart new projects Promotes the Yeoman workflow yeoman.io
- 26. Gulp gulp.task('serve', function() { browserSync.init({ server: './app' }); gulp.watch(['app/**/*.js', 'app/**/*.css', 'app/**/*.html']) .on('change', browserSync.reload); });
- 27. Webpack
- 28. webpack.config.js module.exports = { entry: './src/app.js', output: { path: __dirname + '/src/main/webapp/public', filename: 'bundle.js' }, module: { loaders: [ { test: /.js$/, loader: 'babel', exclude: /node_modules/, query: { presets: ['es2015', 'react'] } } ] } };
- 30. webpack for real tasks Building front-end and adding compilation Decreasing front-end size and improving assets caching Speeding up build and improving the development workflow iamakulov.com/pages/webpack
- 32. Leading JavaScript Frameworks in 2017 angular.io facebook.github.io/react vuejs.org
- 35. Jobs on Indeed July 21, 2017 0 2,000 4,000 6,000 8,000 Angular Aurelia Backbone Ember Knockout React Vue
- 36. Stack Overflow Tags July 21, 2017 0 17,500 35,000 52,500 70,000 Angular Aurelia Backbone Knockout Ember React Vue
- 38. GitHub Stars July 21, 2017 0 20,000 40,000 60,000 80,000 Angular Aurelia Backbone Knockout Ember React Vue
- 40. Hello World with Angular import { Component } from '@angular/core'; @Component({ selector: 'my-app', template: `<h1>Hello {{name}}</h1>` }) export class AppComponent { name = 'World'; } <my-app></my-app> https://angular.io/docs/ts/latest/quickstart.html
- 41. Hello World with Angular import { BrowserModule } from '@angular/platform-browser'; import { NgModule } from '@angular/core'; import { FormsModule } from '@angular/forms'; import { HttpModule } from '@angular/http'; import { AppComponent } from './app.component'; @NgModule({ declarations: [ AppComponent ], imports: [ BrowserModule, FormsModule, HttpModule ], providers: [], bootstrap: [AppComponent] }) export class AppModule { }
- 42. Hello World with Angular import { enableProdMode } from '@angular/core'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { AppModule } from './app/app.module'; import { environment } from './environments/environment'; if (environment.production) { enableProdMode(); } platformBrowserDynamic().bootstrapModule(AppModule);
- 44. Angular CLI
- 45. Angular CLI
- 46. Get Started with Angular Angular QuickStart https://angular.io/docs/ts/latest/quickstart.html Angular Seed https://github.com/mgechev/angular-seed Angular Seed Advanced https://github.com/NathanWalker/angular-seed-advanced
- 47. Angular and Angular CLI Demos https://github.com/mraible/ng-demo https://youtu.be/Jq3szz2KOOs (Building) https://youtu.be/TksyjxipM4M (Testing)
- 48. Authentication with OpenID Connect http://developer.okta.com http://bit.ly/ng-okta youtube.com/watch?v=Kb56GzQ2pSk
- 50. ng-book 2 A comprehensive guide to developing with Angular 4 Worth all your hard earned $$$ https://www.ng-book.com/2 “Thank you for the awesome book, it's the bible for Angular.” — Vijay Ganta
- 51. Hello World with React http://codepen.io/gaearon/pen/ZpvBNJ?editors=0100 <div id="root"></div> <script> ReactDOM.render( <h1>Hello, world!</h1>, document.getElementById('root') ); </script>
- 53. Imperative Code if (count > 99) { if (!hasFile()) { addFire(); } } else { if (hasFire()) { removeFire(); } } if (count === 0) { if (hasBadge()) { removeBadge(); } return; } if (!hasBadge()) { addBadge(); } var countText = count > 99 ? "99+" : count.toString(); getBadge().setText(countText);
- 54. Declarative Code if (count === 0) { return <div className="bell"/>; } else if (count <= 99) { return ( <div className="bell"> <span className="badge">{count}</span> </div> ); } else { return ( <div className="bell onFire"> <span className="badge">99+</span> </div> ); }
- 56. Create React App
- 57. Create React App
- 59. Hello World with Vue.js https://jsfiddle.net/chrisvfritz/50wL7mdz/ <div id="app"> <p>{{ message }}</p> </div> <script> new Vue({ el: '#app', data: { message: 'Hello Vue.js!' } }); </script>
- 61. Vue.js Code <script src="https://unpkg.com/vue/dist/vue.js"></script> <div id="app"> <button v-on:click="clickedButton()">Click here!</button> </div> <script> new Vue({ el: '#app', methods: { clickedButton: function(event) { console.log(event); alert("You clicked the button!"); } } }); </script>
- 63. Vue CLI
- 64. Server-Side Support Angular Universal merged into Angular 4 mobile.twitter.com Nuxt.js
- 68. Cascading Style Sheets #app { background: #eee; } .blog-post { padding: 20px; } .blog-post > p:first { font-weight: 400; } img + span.caption { font-style: italic; }
- 69. Sass: Syntactically Awesome Style Sheets #app { background: #eee; .blog-post { padding: 20px; > p:first { font-weight: 400; } img + span.caption { font-style: italic; } } } http://sass-lang.com
- 70. CSS Frameworks
- 71. Bootstrap 4
- 72. Bootstrap 4
- 73. CSS Framework Stars on GitHub July 21, 2017 0 30,000 60,000 90,000 120,000 Bootstrap Foundation Pure Skeleton
- 74. CSS Framework Star History https://github.com/timqian/star-history
- 75. Front End Performance Optimization Reduce HTTP Requests Gzip HTML, JavaScript, and CSS Far Future Expires Headers Code Minification Optimize Images
- 76. HTTP/2 Binary, instead of textual Fully multiplexed, instead of ordered and blocking Can use one connection for parallelism Uses header compression to reduce overhead Allows servers to “push” responses proactively into client caches
- 77. HTTP/2 in JHipster /* * Enable HTTP/2 for Undertow - https://twitter.com/ankinson/status/829256167700492288 * HTTP/2 requires HTTPS, so HTTP requests will fallback to HTTP/1.1. * See the JHipsterProperties class and your application-*.yml configuration files * for more information. */ if (jHipsterProperties.getHttp().getVersion().equals(JHipsterProperties.Http.Version.V_2_0)) { if (container instanceof UndertowEmbeddedServletContainerFactory) { ((UndertowEmbeddedServletContainerFactory) container) .addBuilderCustomizers((builder) -> { builder.setServerOption(UndertowOptions.ENABLE_HTTP2, true); }); } }
- 79. HTTP/2 Server Push in Java http://bit.ly/dz-server-push-java @WebServlet(value = {"/http2"}) public class Http2Servlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) { PushBuilder pushBuilder = req.newPushBuilder(); pushBuilder.path("images/kodedu-logo.png") .addHeader("content-type", "image/png") .push(); try (PrintWriter respWriter = resp.getWriter();) { respWriter.write("<html>" + "<img src='images/kodedu-logo.png'>" + "</html>"); } } }
- 83. Chrome Developer Tools Follow Umar Hansa - @umaar Follow Addy Osmani - @addyosmani
- 84. Framework Tools Angular Augury React Developer Tools vue-devtools
- 87. “We’ve failed on mobile” — Alex Russell https://youtu.be/K1SFnrf4jZo
- 88. Mobile Hates You! How to fight back: Implement PRPL Get a ~$150-200 unlocked Android (e.g. Moto G4) Use chrome://inspect && chrome://inspect?tracing Lighthouse DevTools Network & CPU Throttling
- 89. The PRPL Pattern Push Render Pre-cache Lazy-load
- 90. The PRPL Pattern Push critical resources for the initial URL route Render initial route Pre-cache remaining routes Lazy-load and create remaining routes on demand
- 92. Security: OWASP Top 10 1. Injection 2. Broken Auth & Session Mgmt 3. Cross-Site Scripting (XSS) 4. Broken Access Control 5. Security Misconfiguration 6. Sensitive Data Exposure 7. Insufficient Attack Protection 8. Cross-Site Request Forgery 9. Components w/ Vulnerabilities 10. Underprotected APIs
- 94. Get Started with JHipster 4 Demo
- 96. JHipster 4 Tutorials and Videos Monolith https://github.com/mraible/jhipster4-demo Microservices https://developer.okta.com/blog/2017/06/20/develop- microservices-with-jhipster
- 97. The JHipster Mini-Book 2.0 Release on Dec 5, 2016 jhipster-book.com 21-points.com @jhipster_book Write your own InfoQ mini-book! github.com/mraible/infoq-mini-book
- 98. What You Learned ES6 and TypeScript Node.js and nvm Angular, React, and Vue.js CSS and Sass Front End Performance Optimization Progressive Web Apps
- 99. Try
- 100. #Devoxx4Kids
- 101. Quality “A person who knows how to fix motorcycles—with Quality—is less likely to run short of friends than one who doesn't. And they aren't going to see him as some kind of object either. Quality destroys objectivity every time.” — Zen and the Art of Motorcycle Maintenance
- 102. Software Testing With motorcycles, you drive to test them. With software, you can test it without driving it. Or rather, you can automate the driving. If you don’t automate tests, you’re still testing!
- 103. Unit Test Example
- 104. bus.spec.ts
- 106. Action! Don’t be afraid to try new things Learn JavaScript or TypeScript Try one of these frameworks Form your own opinions Or just wait a few months…