From 76cb9c2a39d477a64824a985ade40507e3bbade1 Mon Sep 17 00:00:00 2001
From: Adam Mathes <adam@adammathes.com>
Date: Fri, 13 Feb 2026 21:34:48 -0800
Subject: feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

---
 .../@acemir/cssom/lib/CSSStartingStyleRule.js      | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 vanilla/node_modules/@acemir/cssom/lib/CSSStartingStyleRule.js

(limited to 'vanilla/node_modules/@acemir/cssom/lib/CSSStartingStyleRule.js')

diff --git a/vanilla/node_modules/@acemir/cssom/lib/CSSStartingStyleRule.js b/vanilla/node_modules/@acemir/cssom/lib/CSSStartingStyleRule.js
new file mode 100644
index 0000000..98a15e6
--- /dev/null
+++ b/vanilla/node_modules/@acemir/cssom/lib/CSSStartingStyleRule.js
@@ -0,0 +1,52 @@
+//.CommonJS
+var CSSOM = {
+	CSSRule: require("./CSSRule").CSSRule,
+	CSSRuleList: require("./CSSRuleList").CSSRuleList,
+	CSSGroupingRule: require("./CSSGroupingRule").CSSGroupingRule
+};
+///CommonJS
+
+
+/**
+ * @constructor
+ * @see http://www.w3.org/TR/shadow-dom/#host-at-rule
+ */
+CSSOM.CSSStartingStyleRule = function CSSStartingStyleRule() {
+	CSSOM.CSSGroupingRule.call(this);
+};
+
+CSSOM.CSSStartingStyleRule.prototype = Object.create(CSSOM.CSSGroupingRule.prototype);
+CSSOM.CSSStartingStyleRule.prototype.constructor = CSSOM.CSSStartingStyleRule;
+
+Object.setPrototypeOf(CSSOM.CSSStartingStyleRule, CSSOM.CSSGroupingRule);
+
+Object.defineProperty(CSSOM.CSSStartingStyleRule.prototype, "type", {
+	value: 1002,
+	writable: false
+});
+
+//FIXME
+//CSSOM.CSSStartingStyleRule.prototype.insertRule = CSSStyleSheet.prototype.insertRule;
+//CSSOM.CSSStartingStyleRule.prototype.deleteRule = CSSStyleSheet.prototype.deleteRule;
+
+Object.defineProperty(CSSOM.CSSStartingStyleRule.prototype, "cssText", {
+	get: function() {
+		var values = "";
+		var valuesArr = [" {"];
+		if (this.cssRules.length) {
+			valuesArr.push(this.cssRules.reduce(function(acc, rule){ 
+			if (rule.cssText !== "") {
+				acc.push(rule.cssText);
+			}
+			return acc;
+			}, []).join("\n  "));
+		}
+		values = valuesArr.join("\n  ") + "\n}";
+		return "@starting-style" + values;
+	}
+});
+
+
+//.CommonJS
+exports.CSSStartingStyleRule = CSSOM.CSSStartingStyleRule;
+///CommonJS
-- 
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