errors

documentation/docs/98-reference/.generated/client-errors.md

@@ -140,6 +140,12 @@ The `flushSync()` function can be used to flush any pending effects synchronousl
 
 This restriction only applies when using the `experimental.async` option, which will be active by default in Svelte 6.
 
+### fn_unavailable_on_client
+
+```
+`%name%`(...) is unavailable on the client.
+```
+
 ### fork_discarded
 
 ```

documentation/docs/98-reference/.generated/server-errors.md

@@ -8,6 +8,12 @@ Encountered asynchronous work while rendering synchronously.
 
 You (or the framework you're using) called [`render(...)`](svelte-server#render) with a component containing an `await` expression. Either `await` the result of `render` or wrap the `await` (or the component containing it) in a [`<svelte:boundary>`](svelte-boundary) with a `pending` snippet.
 
+### fn_unavailable_on_server
+
+```
+`%name%`(...) is unavailable on the server.
+```
+
 ### html_deprecated
 
 ```
@@ -37,6 +43,13 @@ This error occurs when using `hydratable` or `setHydratableValue` multiple times
 </script>
 ```
 
+### lifecycle_function_unavailable
+
+```
+`%name%(...)` is not available on the server
+Certain methods such as `mount` cannot be invoked while running in a server context. Avoid calling them eagerly, i.e. not during render.
+```
+
 ### render_context_unavailable
 
 ```

documentation/docs/98-reference/.generated/shared-errors.md

@@ -42,14 +42,6 @@ Here, `List.svelte` is using `{@render children(item)` which means it expects `P
 A snippet function was passed invalid arguments. Snippets should only be instantiated via `{@render ...}`
 ```
 
-### lifecycle_function_unavailable
-
-```
-`%name%(...)` is not available on the %location%
-```
-
-Certain methods such as `mount` cannot be invoked while running in a server context, while others, such as `hydratable.set`, cannot be invoked while running in the browser.
-
 ### lifecycle_outside_component
 
 ```

packages/svelte/messages/client-errors/errors.md

@@ -108,6 +108,10 @@ The `flushSync()` function can be used to flush any pending effects synchronousl
 
 This restriction only applies when using the `experimental.async` option, which will be active by default in Svelte 6.
 
+## fn_unavailable_on_client
+
+> `%name%`(...) is unavailable on the client.
+
 ## fork_discarded
 
 > Cannot commit a fork that was already discarded

packages/svelte/messages/server-errors/errors.md

@@ -4,6 +4,10 @@
 
 You (or the framework you're using) called [`render(...)`](svelte-server#render) with a component containing an `await` expression. Either `await` the result of `render` or wrap the `await` (or the component containing it) in a [`<svelte:boundary>`](svelte-boundary) with a `pending` snippet.
 
+## fn_unavailable_on_server
+
+> `%name%`(...) is unavailable on the server.
+
 ## html_deprecated
 
 > The `html` property of server render results has been deprecated. Use `body` instead.
@@ -29,6 +33,11 @@ This error occurs when using `hydratable` or `setHydratableValue` multiple times
 </script>
 ```
 
+## lifecycle_function_unavailable
+
+> `%name%(...)` is not available on the server
+Certain methods such as `mount` cannot be invoked while running in a server context. Avoid calling them eagerly, i.e. not during render.
+
 ## render_context_unavailable
 
 > Failed to retrieve `render` context. %addendum%

packages/svelte/messages/shared-errors/errors.md

@@ -34,12 +34,6 @@ Here, `List.svelte` is using `{@render children(item)` which means it expects `P
 
 > A snippet function was passed invalid arguments. Snippets should only be instantiated via `{@render ...}`
 
-## lifecycle_function_unavailable
-
-> `%name%(...)` is not available on the %location%
-
-Certain methods such as `mount` cannot be invoked while running in a server context, while others, such as `hydratable.set`, cannot be invoked while running in the browser.
-
 ## lifecycle_outside_component
 
 > `%name%(...)` can only be used during component initialisation

packages/svelte/src/index-server.js

@@ -22,19 +22,19 @@ export function createEventDispatcher() {
 }
 
 export function mount() {
-	e.lifecycle_function_unavailable('mount', 'server');
+	e.lifecycle_function_unavailable('mount');
 }
 
 export function hydrate() {
-	e.lifecycle_function_unavailable('hydrate', 'server');
+	e.lifecycle_function_unavailable('hydrate');
 }
 
 export function unmount() {
-	e.lifecycle_function_unavailable('unmount', 'server');
+	e.lifecycle_function_unavailable('unmount');
 }
 
 export function fork() {
-	e.lifecycle_function_unavailable('fork', 'server');
+	e.lifecycle_function_unavailable('fork');
 }
 
 export async function tick() {}

packages/svelte/src/internal/client/errors.js

@@ -245,6 +245,23 @@ export function flush_sync_in_effect() {
 	}
 }
 
+/**
+ * `%name%`(...) is unavailable on the client.
+ * @param {string} name
+ * @returns {never}
+ */
+export function fn_unavailable_on_client(name) {
+	if (DEV) {
+		const error = new Error(`fn_unavailable_on_client\n\`${name}\`(...) is unavailable on the client.\nhttps://svelte.dev/e/fn_unavailable_on_client`);
+
+		error.name = 'Svelte error';
+
+		throw error;
+	} else {
+		throw new Error(`https://svelte.dev/e/fn_unavailable_on_client`);
+	}
+}
+
 /**
  * Cannot commit a fork that was already discarded
  * @returns {never}

packages/svelte/src/internal/client/hydratable.js

@@ -30,7 +30,7 @@ function isomorphic_hydratable(key, fn, options) {
 
 isomorphic_hydratable['get'] = get_hydratable_value;
 isomorphic_hydratable['has'] = has_hydratable_value;
-isomorphic_hydratable['set'] = () => e.lifecycle_function_unavailable('hydratable.set', 'browser');
+isomorphic_hydratable['set'] = () => e.fn_unavailable_on_client('hydratable.set');
 
 /** @type {Hydratable} */
 const hydratable = isomorphic_hydratable;

packages/svelte/src/internal/server/errors.js

@@ -14,6 +14,19 @@ export function await_invalid() {
 	throw error;
 }
 
+/**
+ * `%name%`(...) is unavailable on the server.
+ * @param {string} name
+ * @returns {never}
+ */
+export function fn_unavailable_on_server(name) {
+	const error = new Error(`fn_unavailable_on_server\n\`${name}\`(...) is unavailable on the server.\nhttps://svelte.dev/e/fn_unavailable_on_server`);
+
+	error.name = 'Svelte error';
+
+	throw error;
+}
+
 /**
  * The `html` property of server render results has been deprecated. Use `body` instead.
  * @returns {never}
@@ -46,6 +59,21 @@ ${stack}\nhttps://svelte.dev/e/hydratable_clobbering`);
 	throw error;
 }
 
+/**
+ * `%name%(...)` is not available on the server
+ * Certain methods such as `mount` cannot be invoked while running in a server context. Avoid calling them eagerly, i.e. not during render.
+ * @param {string} name
+ * @returns {never}
+ */
+export function lifecycle_function_unavailable(name) {
+	const error = new Error(`lifecycle_function_unavailable\n\`${name}(...)\` is not available on the server
+Certain methods such as \`mount\` cannot be invoked while running in a server context. Avoid calling them eagerly, i.e. not during render.\nhttps://svelte.dev/e/lifecycle_function_unavailable`);
+
+	error.name = 'Svelte error';
+
+	throw error;
+}
+
 /**
  * Failed to retrieve `render` context. %addendum%
  * @param {string} addendum

packages/svelte/src/internal/server/hydratable.js

@@ -29,7 +29,7 @@ function isomorphic_hydratable(key, fn, options) {
 	return entry.value;
 }
 
-isomorphic_hydratable['get'] = () => e.lifecycle_function_unavailable('hydratable.get', 'server');
+isomorphic_hydratable['get'] = () => e.fn_unavailable_on_server('hydratable.get');
 isomorphic_hydratable['has'] = has_hydratable_value;
 isomorphic_hydratable['set'] = set_hydratable_value;
 

packages/svelte/src/internal/shared/errors.js

@@ -51,24 +51,6 @@ export function invalid_snippet_arguments() {
 	}
 }
 
-/**
- * `%name%(...)` is not available on the %location%
- * @param {string} name
- * @param {string} location
- * @returns {never}
- */
-export function lifecycle_function_unavailable(name, location) {
-	if (DEV) {
-		const error = new Error(`lifecycle_function_unavailable\n\`${name}(...)\` is not available on the ${location}\nhttps://svelte.dev/e/lifecycle_function_unavailable`);
-
-		error.name = 'Svelte error';
-
-		throw error;
-	} else {
-		throw new Error(`https://svelte.dev/e/lifecycle_function_unavailable`);
-	}
-}
-
 /**
  * `%name%(...)` can only be used during component initialisation
  * @param {string} name