fix

packages/svelte/src/internal/client/dom/css.js

@@ -1,49 +1,19 @@
-import { DEV } from 'esm-env';
-import { effect } from '../reactivity/effects.js';
-
-var css_counter = new Map();
-
 /**
  * @param {Node} anchor
  * @param {{ hash: string, code: string }} css
  */
 export function append_styles(anchor, css) {
-	const maybe_append_styles = () => {
-		var root = anchor.getRootNode();
-
-		var target = /** @type {ShadowRoot} */ (root).host
-			? /** @type {ShadowRoot} */ (root)
-			: /** @type {Document} */ (root).head ?? /** @type {Document} */ (root.ownerDocument).head;
-
-		if (!target.querySelector('#' + css.hash)) {
-			const style = document.createElement('style');
-			style.id = css.hash;
-			style.textContent = css.code;
-
-			target.appendChild(style);
-		}
-	};
-
-	// Use an effect to ensure `anchor` is in the DOM, otherwise getRootNode() will yield wrong results
-	effect(() => {
-		// In dev, always check the DOM, so that styles can be replaced with HMR
-		if (DEV) {
-			maybe_append_styles();
-			return;
-		}
-		// Otherwise, for prod we can use the css object as a key and count the usage to skip the lookup
-		var count = css_counter.get(css) ?? 0;
-
-		css_counter.set(css, count + 1);
+	var root = anchor.getRootNode();
 
-		if (count > 0) return;
+	var target = /** @type {ShadowRoot} */ (root).host
+		? /** @type {ShadowRoot} */ (root)
+		: /** @type {Document} */ (root).head ?? /** @type {Document} */ (root.ownerDocument).head;
 
-		maybe_append_styles();
+	if (!target.querySelector('#' + css.hash)) {
+		const style = document.createElement('style');
+		style.id = css.hash;
+		style.textContent = css.code;
 
-		return () => {
-			var count = css_counter.get(css) - 1;
-			css_counter.set(css, count);
-			if (count === 0) css_counter.delete(css);
-		};
-	});
+		target.appendChild(style);
+	}
 }