Created
February 25, 2021 15:47
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Update ValueConverter in single event loop with TaskQueue
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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": "^2.3.3" | |
} | |
} |
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<template> | |
<h1>${message}</h1> | |
<input type="checkbox" checked.bind="isFiltering" > | |
<button click.trigger="onToggle()">Toggle?</button> | |
<ul if.bind="isFiltering"> | |
<li repeat.for="item of items | logging:'isVisible'">${item}</li> | |
</ul> | |
</template> |
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import { inject, TaskQueue } from "aurelia-framework"; | |
@inject(TaskQueue) | |
export class App { | |
constructor(taskQueue) { | |
this.taskQueue = taskQueue; | |
} | |
message = 'Hello Aurelia!'; | |
isFiltering = true; | |
items = [...Array(5).keys()] | |
onToggle() { | |
this.isFiltering = false; | |
this.taskQueue.queueMicroTask(async () => { | |
console.log('doing work'); | |
this.items[3] = 8; | |
this.isFiltering = true; | |
}); | |
} | |
} |
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class LoggingValueConverter { | |
toView(v) { | |
console.log('filtering...', { v }); | |
return v; | |
} | |
} | |
export function configure(aurelia) { | |
aurelia.use | |
.standardConfiguration() | |
.globalResources(LoggingValueConverter) | |
.developmentLogging('info'); | |
aurelia.start().then(() => aurelia.setRoot()); | |
} |
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