turn fancybutton into custombutton

site/content/examples/04-events/05-dom-event-forwarding/App.svelte

@@ -1,9 +1,9 @@
 <script>
-	import FancyButton from './FancyButton.svelte';
+	import CustomButton from './CustomButton.svelte';
 
 	function handleClick() {
 		alert('clicked');
 	}
 </script>
 
-<FancyButton on:click={handleClick}/>
+<CustomButton on:click={handleClick}/>

site/content/examples/04-events/05-dom-event-forwarding/CustomButton.svelte

@@ -0,0 +1,22 @@
+<style>
+	button {
+		height: 4rem;
+		width: 8rem;
+		background-color: #aaa;
+		border-color: #f1c40f;
+		color: #f1c40f;
+		font-size: 1.25rem;
+		background-image: linear-gradient(45deg, #f1c40f 50%, transparent 50%);
+		background-position: 100%;
+		background-size: 400%;
+		transition: background 300ms ease-in-out;
+	}
+	button:hover {
+		background-position: 0;
+		color: #aaa;
+	}
+</style>
+
+<button on:click>
+	Click me
+</button>

site/content/tutorial/05-events/06-dom-event-forwarding/app-a/App.svelte

@@ -1,9 +1,9 @@
 <script>
-	import FancyButton from './FancyButton.svelte';
+	import CustomButton from './CustomButton.svelte';
 
 	function handleClick() {
 		alert('clicked');
 	}
 </script>
 
-<FancyButton on:click={handleClick}/>
+<CustomButton on:click={handleClick}/>

site/content/tutorial/05-events/06-dom-event-forwarding/app-a/CustomButton.svelte

@@ -0,0 +1,22 @@
+<style>
+	button {
+		height: 4rem;
+		width: 8rem;
+		background-color: #aaa;
+		border-color: #f1c40f;
+		color: #f1c40f;
+		font-size: 1.25rem;
+		background-image: linear-gradient(45deg, #f1c40f 50%, transparent 50%);
+		background-position: 100%;
+		background-size: 400%;
+		transition: background 300ms ease-in-out;
+	}
+	button:hover {
+		background-position: 0;
+		color: #aaa;
+	}
+</style>
+
+<button>
+	Click me
+</button>

site/content/tutorial/05-events/06-dom-event-forwarding/app-b/App.svelte

@@ -1,9 +1,9 @@
 <script>
-	import FancyButton from './FancyButton.svelte';
+	import CustomButton from './CustomButton.svelte';
 
 	function handleClick() {
 		alert('clicked');
 	}
 </script>
 
-<FancyButton on:click={handleClick}/>
+<CustomButton on:click={handleClick}/>

site/content/tutorial/05-events/06-dom-event-forwarding/text.md

@@ -4,7 +4,7 @@ title: DOM event forwarding
 
 Event forwarding works for DOM events too.
 
-We want to get notified of clicks on our `<FancyButton>` — to do that, we just need to forward `click` events on the `<button>` element in `FancyButton.svelte`:
+We want to get notified of clicks on our `<CustomButton>` — to do that, we just need to forward `click` events on the `<button>` element in `CustomButton.svelte`:
 
 ```html
 <button on:click>

test/custom-elements/samples/extended-builtin/custom-button.js

@@ -0,0 +1,2 @@
+class CustomButton extends HTMLButtonElement {}
+customElements.define('custom-button', CustomButton, { extends: 'button' });

test/custom-elements/samples/extended-builtin/main.svelte

@@ -1,7 +1,7 @@
 <svelte:options tag="custom-element"/>
 
 <script>
-	import './fancy-button.js';
+	import './custom-button.js';
 </script>
 
-<button is="fancy-button">click me</button>
+<button is="custom-button">click me</button>

test/custom-elements/samples/extended-builtin/test.js

@@ -11,5 +11,5 @@ export default function (target) {
 	const el = target.querySelector('custom-element');
 	const button = el.shadowRoot.querySelector('button');
 
-	assert.ok(button instanceof customElements.get('fancy-button'));
+	assert.ok(button instanceof customElements.get('custom-button'));
 }