HamedFathi/index.html

## index.html
<!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 "main" (data-main attribute on script)
which is your src/main.ts.
-->
<body>
  <my-app></my-app>
  <script src="/dist/entry-bundle.js" data-main="main"></script>
</body>
</html>

## package.json
{
  "dependencies": {
    "aurelia": "dev"
  }
}

## src\emotion-attr.ts
import { inject } from "aurelia";
import { css } from 'emotion';

@inject(Element)
export class EmotionCustomAttribute {
    constructor(private element: Element) {
this.findShadowRoot(element);
    }

    beforeAttach() {
        const color = 'white'
        const obj = css({
            backgroundColor: 'hotpink',
            '&:hover': {
                color
            }
        });
        this.element.classList.add(obj);
    }

  private findShadowRoot(element){
  if(element instanceof ShadowRoot) return element;
  if(!element.parentNode) return null;
  return findShadowRoot(element.parentNode);
}
}

## src\main.ts
import Aurelia from 'aurelia';
import { MyApp } from './my-app';
import { EmotionCustomAttribute } from './emotion-attr';

Aurelia
.register(EmotionCustomAttribute)
.app(MyApp)
.start();

## src\my-app.html
<!--
Try to create a paired css/scss/sass/less file like my-app.scss.
It will be automatically imported based on convention.
 -->

<!--
There is no bundler config you can change in Dumber Gist to
turn on shadow DOM.
But you can turn shadow DOM on by adding a meta tag in every
html template:
<use-shadow-dom>
-->
<h1 emotion>${message}</h1>

## src\my-app.ts
export class MyApp {
  public message: string = 'Hello Aurelia 2!';
}
	<!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 "main" (data-main attribute on script)
	which is your src/main.ts.
	-->
	<body>
	<my-app></my-app>
	<script src="/dist/entry-bundle.js" data-main="main"></script>
	</body>
	</html>
	import { inject } from "aurelia";
	import { css } from 'emotion';

	@inject(Element)
	export class EmotionCustomAttribute {
	constructor(private element: Element) {
	this.findShadowRoot(element);
	}

	beforeAttach() {
	const color = 'white'
	const obj = css({
	backgroundColor: 'hotpink',
	'&:hover': {
	color
	}
	});
	this.element.classList.add(obj);
	}

	private findShadowRoot(element){
	if(element instanceof ShadowRoot) return element;
	if(!element.parentNode) return null;
	return findShadowRoot(element.parentNode);
	}
	}
	import Aurelia from 'aurelia';
	import { MyApp } from './my-app';
	import { EmotionCustomAttribute } from './emotion-attr';

	Aurelia
	.register(EmotionCustomAttribute)
	.app(MyApp)
	.start();
	<!--
	Try to create a paired css/scss/sass/less file like my-app.scss.
	It will be automatically imported based on convention.
	-->

	<!--
	There is no bundler config you can change in Dumber Gist to
	turn on shadow DOM.
	But you can turn shadow DOM on by adding a meta tag in every
	html template:
	<use-shadow-dom>
	-->
	<h1 emotion>${message}</h1>
	export class MyApp {
	public message: string = 'Hello Aurelia 2!';
	}