simplify

Author: Rich-Harris

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

@@ -23,7 +23,6 @@ import { Identifier } from './visitors/Identifier.js';
 import { IfBlock } from './visitors/IfBlock.js';
 import { KeyBlock } from './visitors/KeyBlock.js';
 import { LabeledStatementLegacy } from './visitors/LabeledStatement.js';
-import { LetDirective } from './visitors/LetDirective.js';
 import { MemberExpressionRunes } from './visitors/MemberExpression.js';
 import { PropertyDefinitionRunes } from './visitors/PropertyDefinition.js';
 import { RegularElement } from './visitors/RegularElement.js';
@@ -79,7 +78,6 @@ const template_visitors = {
 	HtmlTag,
 	IfBlock,
 	KeyBlock,
-	LetDirective,
 	RegularElement,
 	RenderTag,
 	SlotElement,

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

@@ -15,9 +15,6 @@ export function SlotElement(node, context) {
 	/** @type {Expression[]} */
 	const spreads = [];
 
-	/** @type {ExpressionStatement[]} */
-	const lets = [];
-
 	/** @type {Expression} */
 	let expression = b.call('$.default_slot', b.id('$$props'));
 
@@ -36,14 +33,9 @@ export function SlotElement(node, context) {
 					props.push(b.init(attribute.name, value));
 				}
 			}
-		} else if (attribute.type === 'LetDirective') {
-			lets.push(/** @type {ExpressionStatement} */ (context.visit(attribute)));
 		}
 	}
 
-	// Let bindings first, they can be used on attributes
-	context.state.init.push(...lets);
-
 	const props_expression =
 		spreads.length === 0
 			? b.object(props)

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

@@ -1,4 +1,4 @@
-/** @import { BlockStatement, ExpressionStatement } from 'estree' */
+/** @import { BlockStatement } from 'estree' */
 /** @import { SvelteFragment } from '#compiler' */
 /** @import { ComponentContext } from '../types' */
 
@@ -7,20 +7,5 @@
  * @param {ComponentContext} context
  */
 export function SvelteFragment(node, context) {
-	const child_state = {
-		...context.state,
-		getters: { ...context.state.getters }
-	};
-
-	for (const attribute of node.attributes) {
-		if (attribute.type === 'LetDirective') {
-			context.state.template.push(
-				/** @type {ExpressionStatement} */ (context.visit(attribute, child_state))
-			);
-		}
-	}
-
-	const block = /** @type {BlockStatement} */ (context.visit(node.fragment, child_state));
-
-	context.state.template.push(block);
+	context.state.template.push(/** @type {BlockStatement} */ (context.visit(node.fragment)));
 }

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

@@ -38,9 +38,6 @@ export function serialize_element_attributes(node, context) {
 	/** @type {StyleDirective[]} */
 	const style_directives = [];
 
-	/** @type {ExpressionStatement[]} */
-	const lets = [];
-
 	/** @type {Expression | null} */
 	let content = null;
 
@@ -185,7 +182,7 @@ export function serialize_element_attributes(node, context) {
 		} else if (attribute.type === 'StyleDirective') {
 			style_directives.push(attribute);
 		} else if (attribute.type === 'LetDirective') {
-			lets.push(/** @type {ExpressionStatement} */ (context.visit(attribute)));
+			// do nothing, these are handled inside `serialize_inline_component`
 		} else {
 			context.visit(attribute);
 		}
@@ -212,9 +209,6 @@ export function serialize_element_attributes(node, context) {
 		}
 	}
 
-	// Let bindings first, they can be used on attributes
-	context.state.init.push(...lets);
-
 	if (has_spread) {
 		serialize_element_spread_attributes(
 			node,