2 files changed, 54 insertions, 0 deletions
diff --git a/node_modules/css-tree/cjs/syntax/function/expression.cjs b/node_modules/css-tree/cjs/syntax/function/expression.cjs
new file mode 100644
index 00000000..43d81374
--- /dev/null
+++ b/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(this.tokenIndex, null, false)
+    );
+}
+
+module.exports = expressionFn;
diff --git a/node_modules/css-tree/cjs/syntax/function/var.cjs b/node_modules/css-tree/cjs/syntax/function/var.cjs
new file mode 100644
index 00000000..96729706
--- /dev/null
+++ b/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.tokenIndex, 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;