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Dynamic component example with bi-directional value converters
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<title>Dumber Gist</title> | |
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0, user-scalable=no"> | |
<base href="/"> | |
</head> | |
<!-- | |
Dumber gist uses dumber bundler, the default bundle file | |
is /dist/entry-bundle.js. | |
The starting module is pointed to aurelia-bootstrapper | |
(data-main attribute on script) for Aurelia, | |
The aurelia bootstrapper then loads up user module "main" | |
(aurelia-app attribute on <body>) which is your src/main.js. | |
--> | |
<body aurelia-app="main"> | |
<script src="/dist/entry-bundle.js" data-main="aurelia-bootstrapper"></script> | |
</body> | |
</html> |
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{ | |
"dependencies": { | |
"aurelia-bootstrapper": "latest", | |
"moment": "2.22.2", | |
"numeral": "2.0.6" | |
} | |
} |
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<template> | |
<require from="./rgb-to-hex"></require> | |
<label for="color">Select Color:</label> | |
<input id="color" type="color" value.bind="rgb | rgbToHex"> | |
<br> r: ${rgb.r}, g:${rgb.g}, b:${rgb.b} | |
</template> |
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export class App { | |
rgb = { r: 146, g: 39, b: 143 }; | |
} |
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export function configure(aurelia) { | |
aurelia.use | |
.standardConfiguration() | |
.developmentLogging('info'); | |
aurelia.start().then(() => aurelia.setRoot()); | |
} |
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export class RgbToHexValueConverter { | |
toView(rgb) { | |
return "#" + ( | |
(1 << 24) + (rgb.r << 16) + (rgb.g << 8) + rgb.b | |
).toString(16).slice(1); | |
} | |
fromView(hex) { | |
let exp = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i, | |
result = exp.exec(hex); | |
return { | |
r: parseInt(result[1], 16), | |
g: parseInt(result[2], 16), | |
b: parseInt(result[3], 16) | |
}; | |
} | |
} |
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