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Adjust undefined binding
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| <template> | |
| <a href.bind='url' ref='anchor'>Url is "${url}"</a> | |
| <div> | |
| </div> | |
| <button click.delegate='url = "https://google.com"'>Home</button> | |
| <hr/> | |
| <img src.bind='imgUrl' style="display: block; width: 100%;"/> | |
| <div></div> | |
| <button click.delegate='imgUrl="https://assets.rbl.ms/4314213/980x.jpg"'>Set image src</button> | |
| </template> |
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| import { DOM, ObserverLocator } from 'aurelia-framework'; | |
| const dataAttributeAccessor = { | |
| getValue: function(obj, propertyName) { | |
| return obj.getAttribute(propertyName); | |
| }, | |
| setValue: function(value, obj, propertyName) { | |
| return obj.setAttribute(propertyName, value); | |
| } | |
| }; | |
| const specialDomAttributeAccessor = { | |
| getValue: function(obj, propertyName) { | |
| return obj[propertyName]; | |
| }, | |
| setValue: function(value, obj, propertyName) { | |
| // Here is how we adjust it. | |
| if (value == null) { | |
| obj[propertyName] = null; | |
| obj.removeAttribute(propertyName); | |
| } else { | |
| obj[propertyName] = value; | |
| } | |
| } | |
| } | |
| const propertyAccessor = { | |
| getValue: function getValue(obj, propertyName) { | |
| return obj[propertyName]; | |
| }, | |
| setValue: function setValue(value, obj, propertyName) { | |
| obj[propertyName] = value; | |
| } | |
| }; | |
| ObserverLocator.prototype.getAccessor = function(obj, propertyName) { | |
| if (obj instanceof DOM.Element) { | |
| if (propertyName === 'class' || propertyName === 'style' || propertyName === 'css' || propertyName === 'value' && (obj.tagName.toLowerCase() === 'input' || obj.tagName.toLowerCase() === 'select') || propertyName === 'checked' && obj.tagName.toLowerCase() === 'input' || propertyName === 'model' && obj.tagName.toLowerCase() === 'input' || /^xlink:.+$/.exec(propertyName)) { | |
| return this.getObserver(obj, propertyName); | |
| } | |
| if (/^\w+:|^data-|^aria-/.test(propertyName) || obj instanceof DOM.SVGElement && this.svgAnalyzer.isStandardSvgAttribute(obj.nodeName, propertyName)) { | |
| return dataAttributeAccessor; | |
| } | |
| if (propertyName in obj) { | |
| return specialDomAttributeAccessor; | |
| } | |
| } | |
| return propertyAccessor; | |
| }; | |
| export class App { | |
| } |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Aurelia</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css"> | |
| <style> | |
| body { | |
| padding: 20px; | |
| } | |
| .form-component { | |
| display: block; | |
| margin-bottom: 20px; | |
| } | |
| </style> | |
| </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> |
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