Merge pull request #2392 from sveltejs/gh-2391

repl: use absolute svelteUrl to fix version=local

site/src/components/Repl/ReplWidget.svelte

@@ -72,8 +72,8 @@
 
 	$: if (embedded) document.title = `${name} • Svelte REPL`;
 
-	$: svelteUrl = version === 'local' ?
-		'/repl/local' :
+	$: svelteUrl = process.browser && version === 'local' ?
+		`${location.origin}/repl/local` :
 		`https://unpkg.com/svelte@${version}`;
 
 	const rollupUrl = `https://unpkg.com/rollup@1/dist/rollup.browser.js`;

site/src/routes/repl/index.svelte

@@ -109,8 +109,8 @@
 		gist_id = gist.id;
 	}
 
-	$: svelteUrl = version === 'local' ?
-		'/repl/local' :
+	$: svelteUrl = process.browser && version === 'local' ?
+		`${location.origin}/repl/local` :
 		`https://unpkg.com/svelte@${version}`;
 
 	const rollupUrl = `https://unpkg.com/rollup@1/dist/rollup.browser.js`;