feat: improve REPL legacy compatibility

apps/svelte.dev/src/routes/(authed)/playground/+page.js

@@ -6,12 +6,6 @@ export function load({ url }) {
 	const example = query.get('example');
 	const version = query.get('version');
 	const vim = query.get('vim');
-
-	// redirect to v2 REPL if appropriate
-	if (version && /^[^>]?[12]/.test(version)) {
-		redirect(302, `https://v2.svelte.dev/repl?${query}`);
-	}
-
 	const id = gist || example || 'hello-world';
 	// we need to filter out null values
 	const q = new URLSearchParams();

packages/repl/src/lib/Editor/Editor.svelte

@@ -37,6 +37,10 @@
 		const transaction = setDiagnostics(editor_view.state, workspace.diagnostics);
 		editor_view.dispatch(transaction);
 	});
+
+	$effect(() => {
+		console.log('compiled', workspace.current_compiled);
+	});
 </script>
 
 <svelte:window

packages/repl/src/lib/Output/Viewer.svelte

@@ -121,6 +121,10 @@
 		}
 	});
 
+	$effect(() => {
+		console.log('error', error);
+	});
+
 	async function apply_bundle(bundle: BundleResult | null) {
 		if (!bundle) return;
 

packages/repl/src/lib/Repl.svelte

@@ -132,7 +132,9 @@
 	let runtime_error: Error | null = $state(null);
 	let status_visible = $state(false);
 	let status_timeout: NodeJS.Timeout | undefined = undefined;
-
+	$effect(() => {
+		console.log(runtime_error);
+	});
 	const bundler = BROWSER
 		? new Bundler({
 				svelte_version: svelteVersion,

packages/repl/src/lib/workers/bundler/index.ts

@@ -541,7 +541,7 @@ async function bundle(
 				return new component(options);
 			}
 			export function unmount(component) {
-				component.$destroy();
+				component.${svelte.VERSION.split('.')[0] < '3' ? 'destroy' : '$destroy'}();
 				styles.forEach(style => style.remove());
 			}
 			export function untrack(fn) {

packages/repl/src/lib/workers/npm.ts

@@ -32,8 +32,12 @@ export async function load_svelte(version: string) {
 			? 'compiler.js'
 			: version.startsWith('4.')
 				? 'compiler.cjs'
-				: 'compiler/index.js';
-
+				: version.startsWith('1.0') || version.startsWith('1.1.')
+					? 'dist/svelte.js'
+					: version.startsWith('2.')
+						? 'compiler/svelte.js'
+						: 'compiler/index.js';
+		console.log(pkg.contents);
 		const compiler = pkg.contents[entry].text;
 
 		(0, eval)(compiler + `\n//# sourceURL=${entry}@` + version);