HamedFathi · April 23, 2020 08:43
diff --git a/index.html b/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>
diff --git a/package.json b/package.json
 {
  "dependencies": {
    "aurelia": "dev"
  }
 }
diff --git a/src\emotion-attr.ts b/src\emotion-attr.ts
 import { inject } from "aurelia";
 import { css, cache } from 'emotion'

 @inject(Element)
 export class EmotionCustomAttribute {
    constructor(private element: Element) {
    }

    afterAttach() {
        if (this.isInShadow(this.element))
            cache.sheet.container = this.element.getRootNode() as HTMLElement;
        else
            cache.sheet.container = document.head;

        this.element.classList.add(css(this.value));
    }

    private isInShadow(element: Element): boolean {
        return element.getRootNode() instanceof ShadowRoot;
    }
 }
diff --git a/src\main.ts b/src\main.ts
 import Aurelia from 'aurelia';
 import { MyApp } from './my-app';
 import { EmotionCustomAttribute } from './emotion-attr';

 Aurelia.register(EmotionCustomAttribute).app(MyApp).start();
diff --git a/src\my-app.html b/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 class="message" emotion.bind="obj">${message}</h1>

diff --git a/src\my-app.ts b/src\my-app.ts
 export class MyApp {
  public message: string = 'Hello Aurelia 2!'; 
  private color = 'white';
  public obj = {
    backgroundColor: 'hotpink !important',
    '&:hover': {
      color: this.color
    }
  }
 }
	<!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, cache } from 'emotion'

	@inject(Element)
	export class EmotionCustomAttribute {
	constructor(private element: Element) {
	}

	afterAttach() {
	if (this.isInShadow(this.element))
	cache.sheet.container = this.element.getRootNode() as HTMLElement;
	else
	cache.sheet.container = document.head;

	this.element.classList.add(css(this.value));
	}

	private isInShadow(element: Element): boolean {
	return element.getRootNode() instanceof ShadowRoot;
	}
	}
	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 class="message" emotion.bind="obj">${message}</h1>
	export class MyApp {
	public message: string = 'Hello Aurelia 2!';
	private color = 'white';
	public obj = {
	backgroundColor: 'hotpink !important',
	'&:hover': {
	color: this.color
	}
	}
	}