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)

---
 .../css-tree/cjs/syntax/function/expression.cjs    | 11 ++++++
 .../css-tree/cjs/syntax/function/var.cjs           | 43 ++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 vanilla/node_modules/css-tree/cjs/syntax/function/expression.cjs
 create mode 100644 vanilla/node_modules/css-tree/cjs/syntax/function/var.cjs

(limited to 'vanilla/node_modules/css-tree/cjs/syntax/function')

diff --git a/vanilla/node_modules/css-tree/cjs/syntax/function/expression.cjs b/vanilla/node_modules/css-tree/cjs/syntax/function/expression.cjs
new file mode 100644
index 0000000..5a8967c
--- /dev/null
+++ b/vanilla/node_modules/css-tree/cjs/syntax/function/expression.cjs
@@ -0,0 +1,11 @@
+'use strict';
+
+// legacy IE function
+// expression( <any-value> )
+function expressionFn() {
+    return this.createSingleNodeList(
+        this.Raw(null, false)
+    );
+}
+
+module.exports = expressionFn;
diff --git a/vanilla/node_modules/css-tree/cjs/syntax/function/var.cjs b/vanilla/node_modules/css-tree/cjs/syntax/function/var.cjs
new file mode 100644
index 0000000..f688eab
--- /dev/null
+++ b/vanilla/node_modules/css-tree/cjs/syntax/function/var.cjs
@@ -0,0 +1,43 @@
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+// var( <ident> , <value>? )
+function varFn() {
+    const children = this.createList();
+
+    this.skipSC();
+
+    // NOTE: Don't check more than a first argument is an ident, rest checks are for lexer
+    children.push(this.Identifier());
+
+    this.skipSC();
+
+    if (this.tokenType === types.Comma) {
+        children.push(this.Operator());
+
+        const startIndex = this.tokenIndex;
+        const value = this.parseCustomProperty
+            ? this.Value(null)
+            : this.Raw(this.consumeUntilExclamationMarkOrSemicolon, false);
+
+        if (value.type === 'Value' && value.children.isEmpty) {
+            for (let offset = startIndex - this.tokenIndex; offset <= 0; offset++) {
+                if (this.lookupType(offset) === types.WhiteSpace) {
+                    value.children.appendData({
+                        type: 'WhiteSpace',
+                        loc: null,
+                        value: ' '
+                    });
+                    break;
+                }
+            }
+        }
+
+        children.push(value);
+    }
+
+    return children;
+}
+
+module.exports = varFn;
-- 
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