diff --git a/src/compiler/compile/render_dom/wrappers/shared/is_head.ts b/src/compiler/compile/render_dom/wrappers/shared/is_head.js
similarity index 64%
rename from src/compiler/compile/render_dom/wrappers/shared/is_head.ts
rename to src/compiler/compile/render_dom/wrappers/shared/is_head.js
index b5037ad433..52b0f348f1 100644
--- a/src/compiler/compile/render_dom/wrappers/shared/is_head.ts
+++ b/src/compiler/compile/render_dom/wrappers/shared/is_head.js
@@ -1,6 +1,7 @@
-import { Node } from 'estree';
-
-export function is_head(node: Node) {
+/**
+ * @param {import("estree").Node} node
+ */
+export function is_head(node) {
 	return (
 		node &&
 		node.type === 'MemberExpression' &&
diff --git a/src/compiler/compile/render_dom/wrappers/shared/mark_each_block_bindings.ts b/src/compiler/compile/render_dom/wrappers/shared/mark_each_block_bindings.ts
index 2ecc647954..4ef5a03f1d 100644
--- a/src/compiler/compile/render_dom/wrappers/shared/mark_each_block_bindings.ts
+++ b/src/compiler/compile/render_dom/wrappers/shared/mark_each_block_bindings.ts
@@ -1,34 +1,35 @@
-import EachBlock from '../../../nodes/EachBlock';
-import InlineComponentWrapper from '../InlineComponent';
-import ElementWrapper from '../Element';
-import Binding from '../../../nodes/Binding';
+/**
+ * @param {import('../Element.js').default | import('../InlineComponent.js').default} parent
+ * @param {import('../../../nodes/Binding.js').default} binding
+ */
+export default function mark_each_block_bindings(parent, binding) {
+    // we need to ensure that the each block creates a context including
+    // the list and the index, if they're not otherwise referenced
+    binding.expression.references.forEach((name) => {
+        const each_block = parent.node.scope.get_owner(name);
+        if (each_block) {
+            ( /** @type {import('../../../nodes/EachBlock.js').default} */(each_block)).has_binding = true;
+        }
+    });
+    if (binding.name === 'group') {
 
-export default function mark_each_block_bindings(
-	parent: ElementWrapper | InlineComponentWrapper,
-	binding: Binding
-) {
-	// we need to ensure that the each block creates a context including
-	// the list and the index, if they're not otherwise referenced
-	binding.expression.references.forEach((name) => {
-		const each_block = parent.node.scope.get_owner(name);
-		if (each_block) {
-			(each_block as EachBlock).has_binding = true;
-		}
-	});
-
-	if (binding.name === 'group') {
-		const add_index_binding = (name: string) => {
-			const each_block = parent.node.scope.get_owner(name);
-			if (each_block.type === 'EachBlock') {
-				each_block.has_index_binding = true;
-				for (const dep of each_block.expression.contextual_dependencies) {
-					add_index_binding(dep);
-				}
-			}
-		};
-		// for `<input bind:group={} >`, we make sure that all the each blocks creates context with `index`
-		for (const name of binding.expression.contextual_dependencies) {
-			add_index_binding(name);
-		}
-	}
+        /** @param {string} name */
+        const add_index_binding = (name) => {
+            const each_block = parent.node.scope.get_owner(name);
+            if (each_block.type === 'EachBlock') {
+                each_block.has_index_binding = true;
+                for (const dep of each_block.expression.contextual_dependencies) {
+                    add_index_binding(dep);
+                }
+            }
+        };
+        // for `<input bind:group={} >`, we make sure that all the each blocks creates context with `index`
+        for (const name of binding.expression.contextual_dependencies) {
+            add_index_binding(name);
+        }
+    }
 }
+
+
+
+