Download as PDF, PPTX
![Component
import {Component, OnInit} from 'angular2/core'
import {QuizService} from './quiz-service'
@Component({
selector: 'quiz',
templateUrl: './templates/quiz.html',
providers: [QuizService]
})
export class QuizComponent implements OnInit {
quizList: IQuizList[];
constructor(private _quizService:QuizService) {
}
ngOnInit() {
this.getQuiz();
}
getQuiz() {
this.quizList = this._quizService.getQuizzes();
}
}](https://image.slidesharecdn.com/mern-stack-warmup-light-170208023841/85/From-MEAN-to-the-MERN-Stack-39-320.jpg)
![Data Binding
C/D Attribute Binding type
—> {{ value }} one-way
—> [property] = “value” property
<— (event) = “handler” event
<—> [(ng-model)] = “property” two-way](https://image.slidesharecdn.com/mern-stack-warmup-light-170208023841/85/From-MEAN-to-the-MERN-Stack-41-320.jpg)
![Directive
import {Directive, ElementRef, Renderer, Input, OnInit} from 'angular2/core';
@Directive({
selector: '[sizer]'
})
export class Sizer implements OnInit {
@Input() sizer:string;
element:ELementRef;
renderer:Renderer;
constructor(element:ElementRef, renderer:Renderer) {
this.element = element;
this.renderer = renderer;
}
ngOnInit() {
this.renderer.setElementStyle(this.element.nativeElement,
'fontSize', this.sizer + '%');
}
}](https://image.slidesharecdn.com/mern-stack-warmup-light-170208023841/85/From-MEAN-to-the-MERN-Stack-44-320.jpg)
![Component + Directive
import {Directive, Component, ElementRef, Renderer} from ‘@angular/core';
import {Sizer} from './sizer'
@Component({
selector: 'my-app',
providers: [],
template: `
<div>
<p [sizer]="200">Butter{{name}}</p>
</div>
`,
directives: [Sizer]
})
export class App {
constructor() {
this.name = 'Monkey'
}
}](https://image.slidesharecdn.com/mern-stack-warmup-light-170208023841/85/From-MEAN-to-the-MERN-Stack-45-320.jpg)
Uploaded byTroy Miles
From MEAN to the MERN Stack
The document provides an overview of the MEAN and MERN stacks, detailing their components, benefits, and usage in web development. It explains how to set up and deploy applications using these technologies and touches on essential elements like MongoDB, Express, Angular, Node.js, React, and Redux. The document also discusses installation guides, best practices, and differences between Angular and React, emphasizing the importance of choosing the right stack for specific project needs.
More Related Content
Similar to From MEAN to the MERN Stack
From MEAN to the MERN Stack
- 1. MEAN to MERN WeWork7 Feb 2017
- 2. Troy Miles • TroyMiles aka the RocknCoder • Over 37 years of programming experience • Speaker and author • bit.ly/rc-jquerybook • rockncoder@gmail.com • @therockncoder • Now a lynda.com Author!
- 3. Build Mobile Apps! •Develop mobile apps with Ionic and AngularJS • Learn the Ionic CLI • Fetch data via ajax • Deploy your app to Android & iOS • bit.ly/ionicvideo
- 8. Tonight’s Agenda • TheMEAN Stack • Heroku • MongoDB • NodeJS + Express • Angular 2 • The MERN Stack • MERN.io • MERN CLI • Redux + React Router • Electrode • Summary
- 9. Get Git • Getis a mandatory tool for using all open source tools • lots of free tutorials on how to use it • https://www.codeschool.com/learn/git • https://git-scm.com/
- 10. The MEAN Stack •MEAN is a free and open-source JavaScript software stack for building dynamic web sites and web applications. • Term coined by Valeri Karpov
- 11. MongoDB • MongoDB isan open-source, document database designed for ease of development and scaling. • v3.2 • Initial release - 2009 • https://www.mongodb.org/
- 12. Express • Fast, unopinionated,minimalist web framework for Node.js • v4.14 • http://expressjs.com/
- 13. Angular • HTML enhancedfor web apps! • v2.2.3 • https://angular.io/
- 14. NodeJS • Node.js® isa platform built on Chrome's V8 JavaScript runtime for easily building fast, scalable network applications. • v7.2.0 • https://nodejs.org/
- 15. Benefits of theMEAN Stack • Isomorphic JavaScript • Open Source / Community Driven • Performance • Low Cost
- 16. Isomorphic JavaScript • Onelanguage all the way thru • Client/Server JavaScript • JSON as the data transport format • BSON as the data storage format • JavaScript to control Mongo DB
- 17. Why is JavaScriptBeautiful? • It is a Functional Language - Closer to Lisp and Scheme than Java or C • First Class Functions • Dynamic Objects • Loose Typing • and more...
- 18. ECMAScript Versions Version Date ES1June 1997 ES2 June 1998 ES3 December 1999 ES4 DOA 2006 ES5 December 2009 ES6/ES2015 June 2015 ES2016 2016
- 19. How to useES6 today? • Use only the latest browsers • Use a transpiler: Babel, Traceur, Closure, TypeScript • Use Node.js • https://kangax.github.io/compat-table/es6/
- 20.
- 21. Installation • Create afree heroku account at: • https://www.heroku.com • Download + install heroku toolbelt at: • https://toolbelt.heroku.com/ • (the account is free, no credit card necessary)
- 22. Deploy to Heroku •heroku login • heroku create <app-name> • (must be unique) • git push heroku master • heroku open
- 23.
- 24. Top DB Engines 1.Oracle 2. MySQL 3. MS SQL Server 4. MongoDB 5. PostgreSQL 6. DB2 7. MS Access 8. Cassandra 9. Redis 10.SQLite
- 25. Who Uses It? •Craigslist • eBay • Foursquare • SourceForge • Viacom • Expedia • LinkedIn • Medtronic • eHarmony • CERN • and more
- 26. When to UseMongo? • Document Database • High Performance • High Availability • Easy Scalability • Geospatial Data
- 27. What is aDocument? • An ordered set of keys and values • Like JavaScript objects • No duplicate keys allowed • Type and case sensitive • Field order is not important nor guaranteed
- 28.
- 29. Node v7 • Mergedwith the io.js project, which was at 3.x • New version of Chrome V8 • Supports ES6 • Faster • node -v
- 30. Node Package Manager •Or npm for short • version: npm -v • upgrade npm: npm install npm -g • (officially, npm doesn’t stand for anything, anymore)
- 31. package.json • required properties(error if missing) • name & version • optional properties (warning if missing) • description, repository, & license • other properties • scripts, dependencies, config, etc.
- 32. Use Environment Vars •process.env object holds all environment vars • Reading: var connect = process.env.connect; • Writing: process.env.mode = ‘test’; • NEVER PUT SECRET STUFF IN SOURCE CODE!
- 33.
- 34. Installation • npm installexpress-generator -g • npm install express —save
- 35.
- 36. Angular 2 mainconcepts • Component • Data binding • Service • Directive • Dependency injection • Module
- 37. Metadata • Metadata isextra information which gives angular more info • @Component tells angular the class is a component • @Directive tells angular the class is a directive
- 38. Component • A classwith component metadata • Responsible for a piece of the screen referred to as view. • Template is a form HTML that tells angular how to render the component. • Metadata tells Angular how to process a class
- 39. Component import {Component, OnInit}from 'angular2/core' import {QuizService} from './quiz-service' @Component({ selector: 'quiz', templateUrl: './templates/quiz.html', providers: [QuizService] }) export class QuizComponent implements OnInit { quizList: IQuizList[]; constructor(private _quizService:QuizService) { } ngOnInit() { this.getQuiz(); } getQuiz() { this.quizList = this._quizService.getQuizzes(); } }
- 40. Template/View • Is away to describe a view using HTML • Templates can be included with the component • Or as a URL link to an HTML file • Best practice is to use an HTML file
- 41. Data Binding C/D AttributeBinding type —> {{ value }} one-way —> [property] = “value” property <— (event) = “handler” event <—> [(ng-model)] = “property” two-way
- 42. Service • “Substitutable objectsthat are wired together using dependency injection (DI)” • Used to share code across an app • Lazily instantiated • Angular has no “Service” defined type
- 43. Directive • A classwith directive metadata • Two kinds: attribute & structural • Attribute directives alter the look or behavior of an existing element • Structural directives alter the layout by adding, removing, and replacing elements in the DOM • A component is a directive with a view
- 44. Directive import {Directive, ElementRef,Renderer, Input, OnInit} from 'angular2/core'; @Directive({ selector: '[sizer]' }) export class Sizer implements OnInit { @Input() sizer:string; element:ELementRef; renderer:Renderer; constructor(element:ElementRef, renderer:Renderer) { this.element = element; this.renderer = renderer; } ngOnInit() { this.renderer.setElementStyle(this.element.nativeElement, 'fontSize', this.sizer + '%'); } }
- 45. Component + Directive import{Directive, Component, ElementRef, Renderer} from ‘@angular/core'; import {Sizer} from './sizer' @Component({ selector: 'my-app', providers: [], template: ` <div> <p [sizer]="200">Butter{{name}}</p> </div> `, directives: [Sizer] }) export class App { constructor() { this.name = 'Monkey' } }
- 46. Dependency Injection • Away to supply a new instance of a class with the fully-formed dependencies it needs • Most dependencies are services • Angular know which services a components by looking at the types of its constructor parameters • Services are injected by an Injector which uses a Provider to create the service
- 47. Module • Modules areoptional but a best practice • export tells TypeScript that the resource is a module available for other modules • import tells TypeScript the resource in a module • Angular ships a collection library modules
- 48.
- 49. Webpack? • Module bundler •Replaces System.JS • Works with JS, CSS, and HTML • Minifies, concatenates, and bundles
- 50. The MERN Stack •Keep Mongo, Express, and Node • Replace Angular with React • HashNode create mern-cli to scaffold a mern app • http://mern.io/
- 51. MERN CLI • Ascaffolding tool to minimize setup time • npm install -g mern-cli • mern init <app_name> • cd <app_name> • npm install • npm start
- 52. mern commands Command Purpose merninit <name> initialize a MERN app mern list List MERN variants mern search <term> Search for a variant mern info <term> View details of a variant merng generates a component
- 53. npm commands Command Purpose npmrun start start dev server npm run bs bundles, starts prod npm run test starts test runner npm run watch:test starts test runner in watch npm run coverage generates coverage report npm run lint runs linter
- 54. generator commands Command Purpose dumb-s<name> dumb comp in shared dumb-m <name> dump comp in module functional-s <name> functional comp in shared functional-m <name> functional comp in module module <name> create a module
- 55. React • A JavaScriptlibrary for building UIs • Created by Facebook & Instagram • Initial release March 2013 • Highly recommend reading their license
- 56. React • Virtual DOM •One-way data flow • JSX - JavaScript eXtension allows in HTML generation • Component-based
- 57. Flux • A patternfor managing data flow in your app • One way data flow • 4 main parts: Dispatcher, Store, Action, & View
- 58. The 4 mainparts • Dispatcher: receives actions & dispatches them to stores • Store: holds the data of an app • Action: define app’s internal API • View: displays the data from stores
- 60. Redux • A predictablestate container for JS apps • Works well with React Native • An alternative to & inspired by Flux • Single store for the entire app • Makes it easier to hot-load your app
- 61. React Router • Acomplete routing library for React • Keeps UI in sync with URL
- 62. Links • https://www.mongodb.org/ • http://expressjs.com/ •https://angular.io/ • https://nodejs.org/ • http://mongoosejs.com/ • https://www.heroku.com/
- 63. Links • https://facebook.github.io/react/ • https://facebook.github.io/flux/docs/overview.html •https://github.com/reactjs/react-redux • https://github.com/ReactTraining/react-router • http://mern.io/ • http://www.electrode.io/
- 64. Summary • React iseasier to learn than Angular • When you add in parts like Redux, Flux and React Router, React is more complex than angular • In the end choose what is best for you and your team • Don’t give in to dogma