Created
February 3, 2016 14:36
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component handling javascript
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| import emitter from '../utils/emitter'; | |
| const foo = (element) => { | |
| let result = element.querySelector('[data-all="result"]'); | |
| let counter = 0; | |
| emitter.on('counter', () => result.innerHTML = ++counter); | |
| }; | |
| export default foo; |
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| import emitter from '../utils/emitter'; | |
| class Counter { | |
| constructor(element) { | |
| this.element = element; | |
| this.counter = 0; | |
| this.button = this.element.querySelector('[data-counter="button"]'); | |
| this.result = this.element.querySelector('[data-counter="result"]'); | |
| this.listeners(); | |
| } | |
| listeners() { | |
| this.button.addEventListener('click', () => { | |
| this.result.innerHTML = ++this.counter; | |
| emitter.emit('counter'); | |
| }); | |
| } | |
| } | |
| const counter = (element) => { | |
| return new Counter(element); | |
| }; | |
| export default counter; |
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| (function() { | |
| let components = document.querySelectorAll('[data-component]'); | |
| Array.prototype.forEach.call(components, (node) => { | |
| let component = node.getAttribute('data-component'); | |
| require(`./components/${component}`).default(node); | |
| }); | |
| })(); |
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| import Emitter from 'events'; | |
| export default new Emitter(); |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Frontend Architecture Spec</title> | |
| </head> | |
| <body> | |
| <div data-component="counter"> | |
| <button data-counter="button" type="button">Click me</button> | |
| <div data-counter="result"></div> | |
| </div> | |
| <div data-component="counter"> | |
| <button data-counter="button" type="button">Click me</button> | |
| <div data-counter="result"></div> | |
| </div> | |
| <div data-component="all"> | |
| All counter components have been clicked: | |
| <div data-all="result">0 times</div> | |
| </div> | |
| <script src="bundle.js"></script> | |
| </body> | |
| </html> |
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