tidy up server exports

Author: Rich-Harris

packages/svelte/src/index-server.js

@@ -1,33 +1,39 @@
 import { current_component_context } from './internal/client/runtime.js';
+import { noop } from './internal/common.js';
 
-export {
-	createEventDispatcher,
-	flushSync,
-	getAllContexts,
-	getContext,
-	hasContext,
-	mount,
-	hydrate,
-	setContext,
-	tick,
-	unmount,
-	untrack
-} from './index-client.js';
-
-/** @returns {void} */
-export function onMount() {}
+export { getAllContexts, getContext, hasContext, setContext } from './index-client.js';
 
 /** @param {() => void} fn */
 export function onDestroy(fn) {
 	const context = /** @type {import('#client').ComponentContext} */ (current_component_context);
 	(context.ondestroy ??= []).push(fn);
 }
 
-/** @returns {void} */
-export function beforeUpdate() {}
+export {
+	noop as beforeUpdate,
+	noop as afterUpdate,
+	noop as onMount,
+	noop as flushSync,
+	run as untrack
+} from './internal/common.js';
+
+export function createEventDispatcher() {
+	return noop;
+}
+
+export function mount() {
+	throw new Error('mount(...) is not available on the server');
+}
+
+export function hydrate() {
+	throw new Error('hydrate(...) is not available on the server');
+}
+
+export function unmount() {
+	throw new Error('unmount(...) is not available on the server');
+}
 
-/** @returns {void} */
-export function afterUpdate() {}
+export async function tick() {}
 
 /**
  * @template T

packages/svelte/src/internal/client/dom/legacy/lifecycle.js

@@ -1,4 +1,4 @@
-import { run_all } from '../../../common.js';
+import { run, run_all } from '../../../common.js';
 import { user_pre_effect, user_effect } from '../../reactivity/effects.js';
 import {
 	current_component_context,
@@ -9,11 +9,6 @@ import {
 	untrack
 } from '../../runtime.js';
 
-/** @param {Function} fn */
-function run(fn) {
-	return fn();
-}
-
 /**
  * Legacy-mode only: Call `onMount` callbacks and set up `beforeUpdate`/`afterUpdate` effects
  */

packages/svelte/src/internal/common.js

@@ -13,6 +13,11 @@ export function is_promise(value) {
 	return typeof value?.then === 'function';
 }
 
+/** @param {Function} fn */
+export function run(fn) {
+	return fn();
+}
+
 /** @param {Array<() => void>} arr */
 export function run_all(arr) {
 	for (var i = 0; i < arr.length; i++) {