simplify

packages/svelte/src/compiler/phases/3-transform/client/visitors/template.js

@@ -1859,7 +1859,6 @@ export const template_visitors = {
 			);
 		} else {
 			context.state.init.push(
-				b.stmt(b.call('$.next')),
 				b.stmt(
 					(node.expression.type === 'CallExpression' ? b.call : b.maybe_call)(
 						snippet_function,

packages/svelte/src/compiler/phases/3-transform/server/transform-server.js

@@ -1202,8 +1202,6 @@ const template_visitors = {
 			return /** @type {import('estree').Expression} */ (context.visit(arg));
 		});
 
-		context.state.template.push(block_open);
-
 		context.state.template.push(
 			b.stmt(
 				(node.expression.type === 'CallExpression' ? b.call : b.maybe_call)(

packages/svelte/src/compiler/phases/3-transform/utils.js

@@ -287,7 +287,7 @@ export function clean_nodes(
 	// if a component or snippet starts with text, we need to add an anchor comment
 	// so that its text node doesn't get fused with its surroundings
 	const is_text_first =
-		parent.type === 'Fragment' &&
+		(parent.type === 'Fragment' || parent.type === 'SnippetBlock') &&
 		first &&
 		(first?.type === 'Text' || first?.type === 'ExpressionTag');
 

packages/svelte/src/internal/client/dom/blocks/snippet.js

@@ -6,7 +6,7 @@ import {
 	dev_current_component_function,
 	set_dev_current_component_function
 } from '../../runtime.js';
-import { hydrate_next, hydrate_node, hydrating } from '../hydration.js';
+import { hydrate_node, hydrating } from '../hydration.js';
 
 /**
  * @template {(node: TemplateNode, ...args: any[]) => void} SnippetFn
@@ -16,10 +16,6 @@ import { hydrate_next, hydrate_node, hydrating } from '../hydration.js';
  * @returns {void}
  */
 export function snippet(anchor, get_snippet, ...args) {
-	if (hydrating) {
-		hydrate_next();
-	}
-
 	/** @type {SnippetFn | null | undefined} */
 	var snippet;
 

packages/svelte/tests/snapshot/samples/bind-component-snippet/_expected/client/index.svelte.js

@@ -7,6 +7,8 @@ var root = $.template(`<!> `, 1);
 
 export default function Bind_component_snippet($$anchor) {
 	const snippet = ($$anchor) => {
+		$.next();
+
 		var fragment = root_1();
 
 		$.append($$anchor, fragment);

packages/svelte/tests/snapshot/samples/bind-component-snippet/_expected/server/index.svelte.js

@@ -6,7 +6,7 @@ export default function Bind_component_snippet($$payload) {
 	const _snippet = snippet;
 
 	function snippet($$payload) {
-		$$payload.out += `Something`;
+		$$payload.out += `<!---->Something`;
 	}
 
 	let $$settled = true;