fix: $destroy and createRoot are no more

Author: yanick

src/pure.js

@@ -3,9 +3,10 @@ import {
   getQueriesForElement,
   prettyDOM,
 } from '@testing-library/dom'
+import { VERSION as SVELTE_VERSION } from 'svelte/compiler'
 import * as Svelte from 'svelte'
 
-const IS_SVELTE_5 = typeof Svelte.createRoot === 'function'
+const IS_SVELTE_5 = /^5\./.test(SVELTE_VERSION)
 const targetCache = new Set()
 const componentCache = new Set()
 
@@ -55,7 +56,7 @@ const render = (
     options = { target, ...checkProps(options) }
 
     const component = IS_SVELTE_5
-      ? Svelte.createRoot(ComponentConstructor, options)
+      ? Svelte.mount(ComponentConstructor, options)
       : new ComponentConstructor(options)
 
     componentCache.add(component)
@@ -98,7 +99,11 @@ const cleanupComponent = (component) => {
   const inCache = componentCache.delete(component)
 
   if (inCache) {
-    component.$destroy()
+    if (IS_SVELTE_5) {
+      Svelte.unmount(component)
+    } else {
+      component.$destroy()
+    }
   }
 }