Created
June 12, 2017 22:51
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DI inheritance
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| <template> | |
| <require from="./two-decimal-value-converter"></require> | |
| <h1>${message}</h1> | |
| <input value.bind="testing | twoDecimal "/> | |
| </template> |
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| export class App { message = 'Hello World'; } |
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| <!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://cdn.rawgit.com/jdanyow/aurelia-bundle/v1.0.3/jspm_packages/system.js"></script> | |
| <script src="https://cdn.rawgit.com/jdanyow/aurelia-bundle/v1.0.3/config.js"></script> | |
| <script> | |
| System.import('aurelia-bootstrapper'); | |
| </script> | |
| </body> | |
| </html> |
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| export class TwoDecimalValueConverter { | |
| toView(value) { | |
| if(typeof value === 'string') { | |
| if(!value) return value; | |
| let numValue = Number(value); | |
| if(isNaN(numValue)) return value; | |
| value = numValue; | |
| } | |
| if(typeof value === 'number') { | |
| return value.toFixed(2); | |
| } | |
| return value; | |
| } | |
| fromView(value) { | |
| if (typeof value !== 'string') { | |
| return value; | |
| } | |
| var num = Number(value); | |
| if (isNaN(num)) { | |
| return null; | |
| } | |
| if (value.indexOf('.') > -1) { | |
| return num; | |
| } | |
| if (num >= 100) num /= 100; | |
| return num; | |
| } | |
| } |
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