same but for $$props

Author: Rich-Harris

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

@@ -2355,7 +2355,9 @@ export function server_component(analysis, options) {
 		.../** @type {import('estree').Statement[]} */ (template.body)
 	]);
 
-	if (analysis.needs_context || options.dev) {
+	let should_inject_context = analysis.needs_context || options.dev;
+
+	if (should_inject_context) {
 		component_block.body.unshift(b.stmt(b.call('$.push', ...push_args)));
 		component_block.body.push(b.stmt(b.call('$.pop')));
 	}
@@ -2391,9 +2393,18 @@ export function server_component(analysis, options) {
 
 	const body = [...state.hoisted, ...module.body];
 
+	let should_inject_props =
+		should_inject_context ||
+		props.length > 0 ||
+		analysis.needs_props ||
+		analysis.uses_props ||
+		analysis.uses_rest_props ||
+		analysis.uses_slots ||
+		analysis.slot_names.size > 0;
+
 	const component_function = b.function_declaration(
 		b.id(analysis.name),
-		[b.id('$$payload'), b.id('$$props')],
+		should_inject_props ? [b.id('$$payload'), b.id('$$props')] : [b.id('$$payload')],
 		component_block
 	);
 	if (options.legacy.componentApi) {

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

@@ -1,7 +1,7 @@
 import * as $ from "svelte/internal/server";
 import TextInput from './Child.svelte';
 
-export default function Bind_component_snippet($$payload, $$props) {
+export default function Bind_component_snippet($$payload) {
 	let value = '';
 	const _snippet = snippet;
 

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

@@ -1,6 +1,6 @@
 import * as $ from "svelte/internal/server";
 
-export default function Bind_this($$payload, $$props) {
+export default function Bind_this($$payload) {
 	$$payload.out += `<!--[-->`;
 	Foo($$payload, {});
 	$$payload.out += `<!--]-->`;

packages/svelte/tests/snapshot/samples/dynamic-attributes-casing/_expected/server/main.svelte.js

@@ -1,6 +1,6 @@
 import * as $ from "svelte/internal/server";
 
-export default function Main($$payload, $$props) {
+export default function Main($$payload) {
 	// needs to be a snapshot test because jsdom does auto-correct the attribute casing
 	let x = 'test';
 	let y = () => 'test';

packages/svelte/tests/snapshot/samples/each-string-template/_expected/server/index.svelte.js

@@ -1,6 +1,6 @@
 import * as $ from "svelte/internal/server";
 
-export default function Each_string_template($$payload, $$props) {
+export default function Each_string_template($$payload) {
 	const each_array = $.ensure_array_like(['foo', 'bar', 'baz']);
 
 	$$payload.out += `<!--[-->`;

packages/svelte/tests/snapshot/samples/function-prop-no-getter/_expected/server/index.svelte.js

@@ -1,6 +1,6 @@
 import * as $ from "svelte/internal/server";
 
-export default function Function_prop_no_getter($$payload, $$props) {
+export default function Function_prop_no_getter($$payload) {
 	let count = 0;
 
 	function onmouseup() {

packages/svelte/tests/snapshot/samples/hello-world/_expected/server/index.svelte.js

@@ -1,5 +1,5 @@
 import * as $ from "svelte/internal/server";
 
-export default function Hello_world($$payload, $$props) {
+export default function Hello_world($$payload) {
 	$$payload.out += `<h1>hello world</h1>`;
 }

packages/svelte/tests/snapshot/samples/hmr/_expected/server/index.svelte.js

@@ -1,5 +1,5 @@
 import * as $ from "svelte/internal/server";
 
-export default function Hmr($$payload, $$props) {
+export default function Hmr($$payload) {
 	$$payload.out += `<h1>hello world</h1>`;
 }

packages/svelte/tests/snapshot/samples/state-proxy-literal/_expected/server/index.svelte.js

@@ -1,6 +1,6 @@
 import * as $ from "svelte/internal/server";
 
-export default function State_proxy_literal($$payload, $$props) {
+export default function State_proxy_literal($$payload) {
 	let str = '';
 	let tpl = ``;