flow like the river

BACK_BACK/node_modules/css-tree/lib/syntax/function/var.js

@@ -0,0 +1,26 @@
+var TYPE = require('../../tokenizer').TYPE;
+var rawMode = require('../node/Raw').mode;
+
+var COMMA = TYPE.Comma;
+
+// var( <ident> , <value>? )
+module.exports = function() {
+    var children = this.createList();
+
+    this.scanner.skipSC();
+
+    // NOTE: Don't check more than a first argument is an ident, rest checks are for lexer
+    children.push(this.Identifier());
+
+    this.scanner.skipSC();
+
+    if (this.scanner.tokenType === COMMA) {
+        children.push(this.Operator());
+        children.push(this.parseCustomProperty
+            ? this.Value(null)
+            : this.Raw(this.scanner.tokenIndex, rawMode.exclamationMarkOrSemicolon, false)
+        );
+    }
+
+    return children;
+};