remove some needless indirection (#10697)

Co-authored-by: Rich Harris <rich.harris@vercel.com>

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

@@ -18,7 +18,7 @@ import { clear_text_content, empty, map_get, map_set } from '../../operations.js
 import { insert, remove } from '../../reconciler.js';
 import { current_block, destroy_signal, execute_effect, push_destroy_fn } from '../../runtime.js';
 import { render_effect } from '../../reactivity/effects.js';
-import { source, mutable_source, set_signal_value } from '../../reactivity/sources.js';
+import { source, mutable_source, set } from '../../reactivity/sources.js';
 import { trigger_transitions } from '../../transitions.js';
 import { is_array } from '../../utils.js';
 import { EACH_BLOCK, EACH_ITEM_BLOCK } from '../../constants.js';
@@ -838,7 +838,7 @@ export function get_first_element(block) {
 function update_each_item_block(block, item, index, type) {
 	const block_v = block.v;
 	if ((type & EACH_ITEM_REACTIVE) !== 0) {
-		set_signal_value(block_v, item);
+		set(block_v, item);
 	}
 	const transitions = block.s;
 	const index_is_reactive = (type & EACH_INDEX_REACTIVE) !== 0;
@@ -848,7 +848,7 @@ function update_each_item_block(block, item, index, type) {
 		each_animation(block, transitions);
 	}
 	if (index_is_reactive) {
-		set_signal_value(/** @type {import('../../types.js').Signal<number>} */ (block.i), index);
+		set(/** @type {import('../../types.js').Signal<number>} */ (block.i), index);
 	} else {
 		block.i = index;
 	}

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

@@ -18,7 +18,7 @@ import {
 	object_prototype
 } from './utils.js';
 import { add_owner, check_ownership, strip_owner } from './dev/ownership.js';
-import { mutable_source, source, set, set_signal_value } from './reactivity/sources.js';
+import { mutable_source, source, set } from './reactivity/sources.js';
 import { STATE_SYMBOL, UNINITIALIZED } from './constants.js';
 
 /**
@@ -153,7 +153,7 @@ export function unstate(value) {
  */
 function update_version(signal, d = 1) {
 	const value = untrack(() => get(signal));
-	set_signal_value(signal, value + d);
+	set(signal, value + d);
 }
 
 /** @type {ProxyHandler<import('./types.js').ProxyStateObject<any>>} */

packages/svelte/src/internal/client/reactivity/sources.js

@@ -87,17 +87,6 @@ function create_source_signal(flags, value) {
 	};
 }
 
-/**
- * @template V
- * @param {import('./types.js').Signal<V>} signal
- * @param {V} value
- * @returns {V}
- */
-export function set(signal, value) {
-	set_signal_value(signal, value);
-	return value;
-}
-
 /**
  * @template V
  * @param {import('./types.js').Signal<V>} signal
@@ -114,7 +103,7 @@ export function set_sync(signal, value) {
  * @param {V} value
  */
 export function mutate(source, value) {
-	set_signal_value(
+	set(
 		source,
 		untrack(() => get(source))
 	);
@@ -125,9 +114,9 @@ export function mutate(source, value) {
  * @template V
  * @param {import('./types.js').Signal<V>} signal
  * @param {V} value
- * @returns {void}
+ * @returns {V}
  */
-export function set_signal_value(signal, value) {
+export function set(signal, value) {
 	if (
 		!current_untracking &&
 		!ignore_mutation_validation &&
@@ -191,4 +180,6 @@ export function set_signal_value(signal, value) {
 			}
 		}
 	}
+
+	return value;
 }

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

@@ -26,12 +26,11 @@ import {
 	DESTROYED,
 	INERT,
 	MANAGED,
-	SOURCE,
 	STATE_SYMBOL
 } from './constants.js';
 import { flush_tasks } from './dom/task.js';
 import { add_owner } from './dev/ownership.js';
-import { mutate, set_signal_value } from './reactivity/sources.js';
+import { mutate, set } from './reactivity/sources.js';
 
 const IS_EFFECT = EFFECT | PRE_EFFECT | RENDER_EFFECT;
 
@@ -1111,7 +1110,7 @@ function get_parent_context(component_context) {
  */
 export function update(signal, d = 1) {
 	const value = get(signal);
-	set_signal_value(signal, value + d);
+	set(signal, value + d);
 	return value;
 }
 
@@ -1122,7 +1121,7 @@ export function update(signal, d = 1) {
  */
 export function update_pre(signal, d = 1) {
 	const value = get(signal) + d;
-	set_signal_value(signal, value);
+	set(signal, value);
 	return value;
 }