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)

---
 .../lib/syntax/node/PseudoElementSelector.js       | 66 ++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 vanilla/node_modules/css-tree/lib/syntax/node/PseudoElementSelector.js

(limited to 'vanilla/node_modules/css-tree/lib/syntax/node/PseudoElementSelector.js')

diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/PseudoElementSelector.js b/vanilla/node_modules/css-tree/lib/syntax/node/PseudoElementSelector.js
new file mode 100644
index 0000000..b23b9a0
--- /dev/null
+++ b/vanilla/node_modules/css-tree/lib/syntax/node/PseudoElementSelector.js
@@ -0,0 +1,66 @@
+import {
+    Ident,
+    Function as FunctionToken,
+    Colon,
+    RightParenthesis
+} from '../../tokenizer/index.js';
+
+export const name = 'PseudoElementSelector';
+export const walkContext = 'function';
+export const structure = {
+    name: String,
+    children: [['Raw'], null]
+};
+
+// :: [ <ident> | <function-token> <any-value>? ) ]
+export function parse() {
+    const start = this.tokenStart;
+    let children = null;
+    let name;
+    let nameLowerCase;
+
+    this.eat(Colon);
+    this.eat(Colon);
+
+    if (this.tokenType === FunctionToken) {
+        name = this.consumeFunctionName();
+        nameLowerCase = name.toLowerCase();
+
+        if (this.lookupNonWSType(0) == RightParenthesis) {
+            children = this.createList();
+        } else if (hasOwnProperty.call(this.pseudo, nameLowerCase)) {
+            this.skipSC();
+            children = this.pseudo[nameLowerCase].call(this);
+            this.skipSC();
+        } else {
+            children = this.createList();
+            children.push(
+                this.Raw(null, false)
+            );
+        }
+
+        this.eat(RightParenthesis);
+    } else {
+        name = this.consume(Ident);
+    }
+
+    return {
+        type: 'PseudoElementSelector',
+        loc: this.getLocation(start, this.tokenStart),
+        name,
+        children
+    };
+}
+
+export function generate(node) {
+    this.token(Colon, ':');
+    this.token(Colon, ':');
+
+    if (node.children === null) {
+        this.token(Ident, node.name);
+    } else {
+        this.token(FunctionToken, node.name + '(');
+        this.children(node);
+        this.token(RightParenthesis, ')');
+    }
+}
-- 
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