feat: provide migration function (#11334)

Provides a migration function, exported as `migrate` from `svelte/compiler`, which tries its best to automatically migrate towards runes, render tags (instead of slots) and event attributes (instead of event handlers) The preview REPL was updated with a migrate button so people can try it out in the playground. closes #9239
sveltejs · Apr 26, 2024 · cd79807 · cd79807
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diff --git a/.changeset/orange-zoos-heal.md b/.changeset/orange-zoos-heal.md
@@ -0,0 +1,5 @@
+---
+"svelte": patch
+---
+
+feat: provide migration helper
diff --git a/packages/svelte/src/compiler/index.js b/packages/svelte/src/compiler/index.js
@@ -190,5 +190,5 @@ export function walk() {
 }
 
 export { CompileError } from './errors.js';
-
 export { VERSION } from '../version.js';
+export { migrate } from './migrate/index.js';