From edf31f1ef03f9024b27e12e2da486d75090434ea Mon Sep 17 00:00:00 2001
From: Simon Holthausen <simon.holthausen@vercel.com>
Date: Wed, 18 Dec 2024 21:10:03 +0100
Subject: [PATCH] naming things

---
 .../internal/client/dom/blocks/svelte-html.js | 20 +++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/packages/svelte/src/internal/client/dom/blocks/svelte-html.js b/packages/svelte/src/internal/client/dom/blocks/svelte-html.js
index dd1b20f36c..10e2e2b8f4 100644
--- a/packages/svelte/src/internal/client/dom/blocks/svelte-html.js
+++ b/packages/svelte/src/internal/client/dom/blocks/svelte-html.js
@@ -9,9 +9,9 @@ import { hydrating } from '../hydration.js';
  */
 export function svelte_html(get_attributes) {
 	const node = document.documentElement;
-	const own = {};
+	const self = {};
 
-	/** @type {Record<string, Array<[any, any]>>} to check who set the last value of each attribute */
+	/** @type {Record<string, Array<{ owner: any, value: any }>>} to check who set the last value of each attribute */
 	// @ts-expect-error
 	const current_setters = (node.__attributes_setters ??= {});
 
@@ -23,11 +23,11 @@ export function svelte_html(get_attributes) {
 
 		for (const name in attributes) {
 			const current = (current_setters[name] ??= []);
-			const index = current.findIndex(([owner]) => owner === own);
-			const old = index === -1 ? null : current.splice(index, 1)[0][1];
+			const index = current.findIndex((c) => c.owner === self);
+			const old = index === -1 ? null : current.splice(index, 1)[0].value;
 
 			let value = attributes[name];
-			current.push([own, value]);
+			current.push({ owner: self, value });
 
 			// Do nothing on initial render during hydration: If there are attribute duplicates, the last value
 			// wins, which could result in needless hydration repairs from earlier values.
@@ -36,7 +36,7 @@ export function svelte_html(get_attributes) {
 			if (name === 'class') {
 				// Avoid unrelated attribute changes from triggering class changes
 				if (old !== value) {
-					set_class(node, current_setters[name].map(([_, text]) => text).join(' '));
+					set_class(node, current_setters[name].map((e) => e.value).join(' '));
 				}
 			} else {
 				set_attribute(node, name, value);
@@ -47,15 +47,15 @@ export function svelte_html(get_attributes) {
 	teardown(() => {
 		for (const name in attributes) {
 			const old = current_setters[name];
-			current_setters[name] = old.filter(([owner]) => owner !== own);
+			current_setters[name] = old.filter((o) => o.owner !== self);
 			const current = current_setters[name];
 
 			if (name === 'class') {
-				set_class(node, current.map(([_, text]) => text).join(' '));
+				set_class(node, current.map((c) => c.value).join(' '));
 
 				// If this was the last one setting this attribute, revert to the previous value
-			} else if (old[old.length - 1][0] === own) {
-				set_attribute(node, name, current[current.length - 1]?.[1]);
+			} else if (old[old.length - 1].owner === self) {
+				set_attribute(node, name, current[current.length - 1]?.value);
 			}
 		}
 	});