From 2784fb19f3f38963b9c5e7d0fbcb7182fd5d589b Mon Sep 17 00:00:00 2001
From: Rich Harris <rich.harris@vercel.com>
Date: Thu, 31 Oct 2024 11:37:30 -0400
Subject: [PATCH] Revert "feat: add `ComponentExports` utility type (#13441)"
 (#14069)

This reverts commit d93ad3ba1e8c28c2facaec49e19d2ac1ed577e9f.
---
 .changeset/rotten-cups-float.md          |  5 -----
 packages/svelte/src/index.d.ts           | 20 ------------------
 packages/svelte/tests/types/component.ts | 26 +-----------------------
 packages/svelte/types/index.d.ts         | 20 ------------------
 4 files changed, 1 insertion(+), 70 deletions(-)
 delete mode 100644 .changeset/rotten-cups-float.md

diff --git a/.changeset/rotten-cups-float.md b/.changeset/rotten-cups-float.md
deleted file mode 100644
index e58d4f26df..0000000000
--- a/.changeset/rotten-cups-float.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'svelte': patch
----
-
-chore: provide `ComponentExports` utility type
diff --git a/packages/svelte/src/index.d.ts b/packages/svelte/src/index.d.ts
index 262337ef0a..5130721cbe 100644
--- a/packages/svelte/src/index.d.ts
+++ b/packages/svelte/src/index.d.ts
@@ -237,26 +237,6 @@ export type ComponentProps<Comp extends SvelteComponent | Component<any, any>> =
 			? Props
 			: never;
 
-/**
- * Convenience type to get the properties that given component exports.
- *
- * Example: Typing the `bind:this` for a component named `MyComponent`
- * ```
- * <script lang="ts">
- * 	import MyComponent from '$lib/component';
- * 	let component: ComponentExports<typeof MyComponent> | undefined = undefined;
- * <script>
- *
- * <MyComponent bind:this={component} />
- * ```
- */
-export type ComponentExports<TComponent extends Component<any, any> | typeof SvelteComponent<any>> =
-	TComponent extends typeof SvelteComponent<any>
-		? InstanceType<TComponent>
-		: TComponent extends Component<any, infer TExports>
-			? TExports
-			: never;
-
 /**
  * @deprecated This type is obsolete when working with the new `Component` type.
  *
diff --git a/packages/svelte/tests/types/component.ts b/packages/svelte/tests/types/component.ts
index f439d3ea5d..06749e9937 100644
--- a/packages/svelte/tests/types/component.ts
+++ b/packages/svelte/tests/types/component.ts
@@ -7,8 +7,7 @@ import {
 	mount,
 	hydrate,
 	type Component,
-	type ComponentInternals,
-	type ComponentExports
+	type ComponentInternals
 } from 'svelte';
 import { render } from 'svelte/server';
 
@@ -181,16 +180,6 @@ render(NewComponent, {
 	}
 });
 
-const newComponentExports: ComponentExports<typeof NewComponent> = {
-	anExport: '',
-	$$events_def: null as any,
-	$$prop_def: null as any,
-	$$slot_def: null as any,
-	$set: null as any,
-	$destroy: null as any,
-	$on: null as any
-};
-
 // --------------------------------------------------------------------------- interop
 
 const AsLegacyComponent = asClassComponent(newComponent);
@@ -348,19 +337,6 @@ render(functionComponent, {
 	}
 });
 
-const functionComponentExports: ComponentExports<typeof functionComponent> = {
-	foo: 'bar',
-	// @ts-expect-error
-	x: ''
-};
-
-type AdhocFunctionComponent = (a: unknown, b: { a: true }) => { foo: string };
-const adhocFunctionComponentExport: ComponentExports<AdhocFunctionComponent> = {
-	foo: 'bar',
-	// @ts-expect-error
-	x: ''
-};
-
 // --------------------------------------------------------------------------- *.svelte components
 
 // import from a nonexistent file to trigger the declare module '*.svelte' in ambient.d.ts
diff --git a/packages/svelte/types/index.d.ts b/packages/svelte/types/index.d.ts
index 7ffa022060..b4da4c79b8 100644
--- a/packages/svelte/types/index.d.ts
+++ b/packages/svelte/types/index.d.ts
@@ -234,26 +234,6 @@ declare module 'svelte' {
 				? Props
 				: never;
 
-	/**
-	 * Convenience type to get the properties that given component exports.
-	 *
-	 * Example: Typing the `bind:this` for a component named `MyComponent`
-	 * ```
-	 * <script lang="ts">
-	 * 	import MyComponent from '$lib/component';
-	 * 	let component: ComponentExports<typeof MyComponent> | undefined = undefined;
-	 * <script>
-	 *
-	 * <MyComponent bind:this={component} />
-	 * ```
-	 */
-	export type ComponentExports<TComponent extends Component<any, any> | typeof SvelteComponent<any>> =
-		TComponent extends typeof SvelteComponent<any>
-			? InstanceType<TComponent>
-			: TComponent extends Component<any, infer TExports>
-				? TExports
-				: never;
-
 	/**
 	 * @deprecated This type is obsolete when working with the new `Component` type.
 	 *