cache values

packages/svelte/src/compiler/phases/2-analyze/index.js

@@ -465,8 +465,10 @@ export function analyze_component(root, source, options) {
 		}
 	}
 
-	const is_custom_element =
-		!!options.customElementOptions || options.customElement({ filename: options.filename });
+	const custom_element_from_option = options.customElement({ filename: options.filename });
+	const css = options.css({ filename: options.filename });
+	const custom_element = options.customElementOptions ?? custom_element_from_option;
+	const is_custom_element = !!options.customElementOptions || custom_element_from_option;
 
 	const name = module.scope.generate(options.name ?? component_name);
 
@@ -526,8 +528,8 @@ export function analyze_component(root, source, options) {
 		needs_props: false,
 		event_directive_node: null,
 		uses_event_attributes: false,
-		custom_element: is_custom_element,
-		inject_styles: options.css({ filename: options.filename }) === 'injected' || is_custom_element,
+		custom_element,
+		inject_styles: css === 'injected' || is_custom_element,
 		accessors:
 			is_custom_element ||
 			(runes ? false : !!options.accessors) ||
@@ -683,10 +685,7 @@ export function analyze_component(root, source, options) {
 				w.options_deprecated_accessors(attribute);
 			}
 
-			if (
-				attribute.name === 'customElement' &&
-				!options.customElement({ filename: options.filename })
-			) {
+			if (attribute.name === 'customElement' && !custom_element_from_option) {
 				w.options_missing_custom_element(attribute);
 			}
 

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

@@ -595,7 +595,7 @@ export function client_component(analysis, options) {
 		);
 	}
 
-	const ce = options.customElementOptions ?? options.customElement({ filename: options.filename });
+	const ce = analysis.custom_element;
 
 	if (ce) {
 		const ce_props = typeof ce === 'boolean' ? {} : ce.props || {};

packages/svelte/src/compiler/phases/3-transform/css/index.js

@@ -65,7 +65,7 @@ export function render_stylesheet(source, analysis, options) {
 
 	merge_with_preprocessor_map(css, options, css.map.sources[0]);
 
-	if (dev && options.css({ filename: options.filename }) === 'injected' && css.code) {
+	if (dev && analysis.inject_styles && css.code) {
 		css.code += `\n/*# sourceMappingURL=${css.map.toUrl()} */`;
 	}
 

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

@@ -300,11 +300,7 @@ export function server_component(analysis, options) {
 
 	const body = [...state.hoisted, ...module.body];
 
-	if (
-		analysis.css.ast !== null &&
-		options.css({ filename: options.filename }) === 'injected' &&
-		!options.customElement({ filename: options.filename })
-	) {
+	if (analysis.css.ast !== null && analysis.inject_styles && !analysis.custom_element) {
 		const hash = b.literal(analysis.css.hash);
 		const code = b.literal(render_stylesheet(analysis.source, analysis, options).code);