From fbef4bbd7cb9f70189b8ae117ce4c104f8ee3480 Mon Sep 17 00:00:00 2001
From: Rich Harris <rich.harris@vercel.com>
Date: Sun, 14 Sep 2025 19:17:03 -0400
Subject: [PATCH] remove await_outside_boundary error (#16762)

---
 .../98-reference/.generated/shared-errors.md     | 16 ----------------
 packages/svelte/messages/shared-errors/errors.md | 14 --------------
 .../src/internal/client/dom/blocks/boundary.js   |  8 +-------
 packages/svelte/src/internal/server/index.js     |  2 --
 packages/svelte/src/internal/shared/errors.js    | 16 ----------------
 5 files changed, 1 insertion(+), 55 deletions(-)

diff --git a/documentation/docs/98-reference/.generated/shared-errors.md b/documentation/docs/98-reference/.generated/shared-errors.md
index bd728ef340..6c31aaafd0 100644
--- a/documentation/docs/98-reference/.generated/shared-errors.md
+++ b/documentation/docs/98-reference/.generated/shared-errors.md
@@ -1,21 +1,5 @@
 <!-- This file is generated by scripts/process-messages/index.js. Do not edit! -->
 
-### await_outside_boundary
-
-```
-Cannot await outside a `<svelte:boundary>`.
-```
-
-The `await` keyword can only appear in a `$derived(...)` or template expression, or at the top level of a component's `<script>` block, if it is inside a [`<svelte:boundary>`](/docs/svelte/svelte-boundary):
-
-```svelte
-<svelte:boundary>
-	<p>{await getData()}</p>
-</svelte:boundary>
-```
-
-This restriction may be lifted in a future version of Svelte.
-
 ### invalid_default_snippet
 
 ```
diff --git a/packages/svelte/messages/shared-errors/errors.md b/packages/svelte/messages/shared-errors/errors.md
index 9db9c166c5..4b4d332202 100644
--- a/packages/svelte/messages/shared-errors/errors.md
+++ b/packages/svelte/messages/shared-errors/errors.md
@@ -1,17 +1,3 @@
-## await_outside_boundary
-
-> Cannot await outside a `<svelte:boundary>`.
-
-The `await` keyword can only appear in a `$derived(...)` or template expression, or at the top level of a component's `<script>` block, if it is inside a [`<svelte:boundary>`](/docs/svelte/svelte-boundary):
-
-```svelte
-<svelte:boundary>
-	<p>{await getData()}</p>
-</svelte:boundary>
-```
-
-This restriction may be lifted in a future version of Svelte.
-
 ## invalid_default_snippet
 
 > Cannot use `{@render children(...)}` if the parent component uses `let:` directives. Consider using a named snippet instead
diff --git a/packages/svelte/src/internal/client/dom/blocks/boundary.js b/packages/svelte/src/internal/client/dom/blocks/boundary.js
index d75922beb3..0532f2ca1b 100644
--- a/packages/svelte/src/internal/client/dom/blocks/boundary.js
+++ b/packages/svelte/src/internal/client/dom/blocks/boundary.js
@@ -437,13 +437,7 @@ function move_effect(effect, fragment) {
 }
 
 export function get_boundary() {
-	var boundary = /** @type {Effect} */ (active_effect).b;
-
-	if (boundary === null) {
-		e.await_outside_boundary();
-	}
-
-	return boundary;
+	return /** @type {Boundary} */ (/** @type {Effect} */ (active_effect).b);
 }
 
 export function pending() {
diff --git a/packages/svelte/src/internal/server/index.js b/packages/svelte/src/internal/server/index.js
index b14178c08b..830357f090 100644
--- a/packages/svelte/src/internal/server/index.js
+++ b/packages/svelte/src/internal/server/index.js
@@ -605,8 +605,6 @@ export {
 
 export { escape_html as escape };
 
-export { await_outside_boundary } from '../shared/errors.js';
-
 /**
  * @template T
  * @param {()=>T} fn
diff --git a/packages/svelte/src/internal/shared/errors.js b/packages/svelte/src/internal/shared/errors.js
index 432402c936..6bcc35016a 100644
--- a/packages/svelte/src/internal/shared/errors.js
+++ b/packages/svelte/src/internal/shared/errors.js
@@ -2,22 +2,6 @@
 
 import { DEV } from 'esm-env';
 
-/**
- * Cannot await outside a `<svelte:boundary>`.
- * @returns {never}
- */
-export function await_outside_boundary() {
-	if (DEV) {
-		const error = new Error(`await_outside_boundary\nCannot await outside a \`<svelte:boundary>\`.\nhttps://svelte.dev/e/await_outside_boundary`);
-
-		error.name = 'Svelte error';
-
-		throw error;
-	} else {
-		throw new Error(`https://svelte.dev/e/await_outside_boundary`);
-	}
-}
-
 /**
  * Cannot use `{@render children(...)}` if the parent component uses `let:` directives. Consider using a named snippet instead
  * @returns {never}