Last active
November 30, 2017 07:37
-
-
Save davismj/56155adb6abcb9cb8ef64f3e3138eb78 to your computer and use it in GitHub Desktop.
Test: Automatic Number Conversion
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <template> | |
| <style> | |
| input { display: block } | |
| pre { max-height: 50vh; overflow-y: auto; } | |
| </style> | |
| <require from="my-input-custom-element"></require> | |
| <require from="number-input-custom-element"></require> | |
| <require from="type-custom-attribute"></require> | |
| <div>type="number": <input type="number" value.bind="v1" /></div> | |
| <div>type="email" <input type="email" value.bind="v2" /></div> | |
| <div>number-input (opt in)<number-input type="number" value.bind="v4"><number-input></div> | |
| <div>my-input (opt out)<my-input type="number" value.bind="v3"></my-input></div> | |
| <pre scroll-down>${log}</pre> | |
| </template> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import { observable, DOM, inject } from 'aurelia-framework'; | |
| export class App { | |
| _log = ['Log Initialized']; | |
| @observable v1 = 1; | |
| @observable v2 = 1; | |
| @observable v3 = 1; | |
| @observable v4 = 1; | |
| valueChanged(property, newVal) { | |
| this._log.push(`${property} updated: ${newVal} (${typeof(newVal)})`); | |
| } | |
| v1Changed = (v) => this.valueChanged('type="number"', v); | |
| v2Changed = (v) => this.valueChanged('type="email"', v); | |
| v3Changed = (v) => this.valueChanged('my-input (opt out)', v); | |
| v4Changed = (v) => this.valueChanged('number-input (opt in)', v); | |
| get log() { | |
| return this._log.join('\n'); | |
| } | |
| } | |
| @inject(DOM.Element) | |
| export class ScrollDownCustomAttribute { | |
| constructor(element) { | |
| let scrollHeight; | |
| const scrollDownRecursive = () => { | |
| if (element.scrollHeight !== scrollHeight) { | |
| element.scrollTop = element.scrollHeight; | |
| } | |
| scrollHeight = element.scrollHeight; | |
| requestAnimationFrame(scrollDownRecursive) | |
| } | |
| scrollDownRecursive(); | |
| } | |
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Aurelia</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| </head> | |
| <body aurelia-app> | |
| <h1>Loading...</h1> | |
| <script src="https://jdanyow.github.io/rjs-bundle/node_modules/requirejs/require.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/config.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/bundles/aurelia.js"></script> | |
| <script src="https://jdanyow.github.io/rjs-bundle/bundles/babel.js"></script> | |
| <script> | |
| require(['aurelia-bootstrapper']); | |
| </script> | |
| </body> | |
| </html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import { inlineView, bindingMode, bindable } from 'aurelia-framework'; | |
| @inlineView('<template><input type="number" value.bind="value"></template>') | |
| export class MyInputCustomElement { | |
| @bindable({ defaultBindingMode: bindingMode.twoWay }) value; | |
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import { inlineView, bindingMode, bindable } from 'aurelia-framework'; | |
| @inlineView('<template><require from="type-custom-attribute"></require><input type="number" value.bind="value"></template>') | |
| export class NumberInputCustomElement { | |
| @bindable({ defaultBindingMode: bindingMode.twoWay }) value; | |
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import { inject, DOM } from 'aurelia-framework'; | |
| @inject(DOM.Element) | |
| export class TypeCustomAttribute { | |
| constructor(element) { | |
| this.element = element; | |
| } | |
| created(owningView) { | |
| this.owningView = owningView; | |
| } | |
| bind() { | |
| if (this.isNumberElement(this.element)) { | |
| let valueBinding = this.valueBinding = this.owningView.bindings | |
| .find(b => b.target === this.element && b.targetProperty === 'value'); | |
| if (valueBinding) { | |
| this.updateSource = valueBinding.updateSource; | |
| this.updateTarget = valueBinding.updateTarget; | |
| let updateSource = this.updateSource.bind(valueBinding); | |
| let updateTarget = this.updateTarget.bind(valueBinding); | |
| valueBinding.updateSource = (v) => ((v = parseFloat(v)) || v === 0) && updateSource(v); | |
| valueBinding.updateTarget = (v) => Number.isFinite(v) && updateTarget(v); | |
| } | |
| } | |
| } | |
| unbind() { | |
| if (this.valueBinding) { | |
| this.valueBinding.updateSource = this.updateSource; | |
| this.valueBinding.updateTarget = this.updateTarget; | |
| } | |
| } | |
| isNumberElement(element) { | |
| return /^input$/i.test(element.tagName) && /^number$/i.test(element.type); | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment