From 88f4f42fa5ced5b99d932f524ef3af3347ed6899 Mon Sep 17 00:00:00 2001
From: "(quasar) nebula" <qznebula@protonmail.com>
Date: Sun, 31 Dec 2023 22:19:15 -0400
Subject: html: flatten attribute value arrays infinitely

---
 src/util/html.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/util/html.js')

diff --git a/src/util/html.js b/src/util/html.js
index b4c29b88..2e3204f4 100644
--- a/src/util/html.js
+++ b/src/util/html.js
@@ -644,7 +644,11 @@ export class Attributes {
 
   set(attribute, value) {
     if (value instanceof Template) {
-      return this.set(attribute, Template.resolve(value));
+      value = Template.resolve(value);
+    }
+
+    if (Array.isArray(value)) {
+      value = value.flat(Infinity);
     }
 
     if (value === null || value === undefined) {
@@ -724,6 +728,10 @@ export class Attributes {
       return this.#addOneAttribute(attribute, Template.resolve(value));
     }
 
+    if (Array.isArray(value)) {
+      value = value.flat(Infinity);
+    }
+
     if (!this.has(attribute)) {
       return this.set(attribute, value);
     }
-- 
cgit 1.3.0-6-gf8a5