Front End Development for Backend Developers - GIDS 2019
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Are you a backend developer that's being pushed into front-end development? Are you frustrated with all JavaScript frameworks and build tools you have to learn to be a good UI developer? If so, this session is for you! We'll explore the tools for frontend development and frameworks too!
![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-gids2019-190424025611/85/Front-End-Development-for-Backend-Developers-GIDS-2019-28-320.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-gids2019-190424025611/85/Front-End-Development-for-Backend-Developers-GIDS-2019-31-320.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-gids2019-190424025611/85/Front-End-Development-for-Backend-Developers-GIDS-2019-49-320.jpg)
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Front End Development for Backend Developers - GIDS 2019
- 1. Front End Development for Back End Developers April 22, 2019 #gids19 Matt Raible · @mraible Photo by Spiros Vathis https://www.flickr.com/photos/vathis/8649808366
- 2. Blogger on raibledesigns.com and developer.okta.com/blog Web Developer and Java Champion Father, Skier, Mountain Biker, Whitewater Rafter Open Source Developer + User Who is Matt Raible? Bus Lover Okta Developer Advocate
- 8. 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?
- 9. OAuth 2.0 Overview Today’s Agenda JavaScript / TypeScript Build Tools JavaScript Frameworks CSS Progressive Web Apps JHipster
- 10. My Web Dev Journey
- 11. What is modern front end development?
- 12. Web Frameworks Over the Years https://github.com/mraible/history-of-web-frameworks-timeline
- 17. Let’s do some learning!
- 18. ES6, ES7 and TypeScript ES5: es5.github.io ES6: git.io/es6features ES7: bit.ly/es7features TS: www.typescriptlang.org TSES7ES6ES5
- 21. 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
- 22. bus.ts
- 23. TypeScript 2.3
- 24. “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’s package ecosystem, npm, is the largest ecosystem of open source libraries in the world.” https://nodejs.org https://github.com/creationix/nvm
- 25. Front End Build Tools Old School: Gulp New School: SystemJS Hip: Webpack Web Dependencies: Old School: Bower New School: npm Hip: yarn
- 26. Yeoman The web's scaffolding tool for modern webapps Helps you kickstart new projects Promotes the Yeoman workflow yeoman.io
- 28. Gulp gulp.task('serve', function() { browserSync.init({ server: './app' }); gulp.watch(['app/**/*.js', 'app/**/*.css', 'app/**/*.html']) .on('change', browserSync.reload); });
- 29. Webpack
- 30. Write and Bundle // bar.js export default function bar() { // code here } // app.js import bar from './bar'; bar(); // webpack.config.js module.exports = { entry: './app.js', output: { filename: 'bundle.js' } } <!-- index.html --> <html> <head> ... </head> <body> ... <script src="bundle.js"></script> </body> </html>
- 31. 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'] } } ] } };
- 32. webpack.academy
- 34. Leading JavaScript Frameworks in 2019 angular.io facebook.github.io/react vuejs.org
- 37. “Angular and React dominate: Nothing else even comes close.”
- 39. “2018: The Year of React React won the popularity battle in 2017.”
- 41. “React kept a firm grip on its lead in 2018.”
- 45. @spring_io #springio17 Jobs on Indeed (US) April 2019 0 2,500 5,000 7,500 10,000 Vue React Angular
- 46. @spring_io #springio17 Stack Overflow Tags April 2019 0 45,000 90,000 135,000 180,000 Vue React Angular
- 47. @spring_io #springio17 GitHub Stars April 2019 0 35,000 70,000 105,000 140,000 Angular Backbone Knockout Ember Polymer React Vue
- 48. 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>
- 49. 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 { }
- 50. 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);
- 52. Angular CLI
- 53. Angular CLI
- 54. Ionic Framework
- 55. ng-book A comprehensive guide to developing with Angular 7 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
- 57. 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>
- 59. Imperative Code if (count > 99) { if (!hasFire()) { 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);
- 60. 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> ); }
- 62. Create React App
- 63. Create React App
- 65. 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>
- 67. 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>
- 69. Getting Started
- 70. Vue CLI
- 71. Vue CLI
- 73. Server-Side Support Angular Universal merged into Angular 4 mobile.twitter.com Nuxt.js
- 75. Cascading Style Sheets #app { background: #eee; } .blog-post { padding: 20px; } .blog-post > p:first { font-weight: 400; } img + span.caption { font-style: italic; }
- 76. 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
- 77. CSS Frameworks
- 78. Bootstrap 4
- 79. Bootstrap 4
- 80. CSS Framework Stars on GitHub April 2019 0 35,000 70,000 105,000 140,000 Bootstrap Foundation Pure Skeleton Material Components
- 81. CSS Framework Star History https://github.com/timqian/star-history
- 82. Front End Performance Optimization Reduce HTTP Requests Gzip HTML, JavaScript, and CSS Far Future Expires Headers Code Minification Optimize Images
- 83. 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
- 84. 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>"); } } }
- 88. Chrome Developer Tools Follow Umar Hansa - @umaar Follow Addy Osmani - @addyosmani
- 89. Framework Tools Angular Augury React Developer Tools vue-devtools
- 91. “We’ve failed on mobile” — Alex Russell https://youtu.be/K1SFnrf4jZo
- 92. 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
- 93. The PRPL Pattern Push Render Pre-cache Lazy-load
- 94. 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
- 95. Learn More about PWAs https://developer.okta.com/blog/2017/07/20/the-ultimate-guide-to-progressive-web-applications
- 96. “Reusable UI widgets created using open web technology.” - MDN Web Components consists of four technologies: Custom Elements HTML Templates Shadow DOM HTML Imports Web Components https://www.polymer-project.org https://stenciljs.com https://www.webcomponents.org
- 98. 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
- 99. @spring_io #springio17 JHipster jhipster.tech JHipster is a development platform to generate, develop and deploy Spring Boot + Angular/React Web applications and Spring microservices. and Vue! ✨
- 100. Get Started with JHipster 5 Demo https://github.com/mraible/jhipster5-demo | https://youtu.be/-VQ_SVkaXbs
- 102. JHipster 5 Tutorials and Videos Monolith https://github.com/mraible/jhipster5-demo Microservices https://developer.okta.com/blog/2018/03/01/develop- microservices-jhipster-oauth
- 103. The JHipster Mini-Book Written with Asciidoctor Quick and to the point, 164 pages Developed a real world app: www.21-points.com Free Download from infoq.com/minibooks/jhipster-mini-book @jhipster_book
- 104. What You Learned ES6 and TypeScript Node.js and nvm Angular, React, and Vue CSS and Sass Front End Performance Optimization Progressive Web Apps
- 105. TRY
- 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…