skip syntax matching for custom properties (fixes #31)

csstree · Jan 19, 2017 · 91a13b8 · 91a13b8
1 parent bde465c
commit 91a13b8
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diff --git a/lib/syntax/syntax.js b/lib/syntax/syntax.js
@@ -161,6 +161,15 @@ Syntax.prototype = {
     },
     matchProperty: function(propertyName, value) {
         var property = names.property(propertyName);
+
+        // don't match syntax for a custom property
+        if (propertyName[0] === '-' && propertyName[1] === '-') {
+            return {
+                type: 'NoMatch',
+                comment: 'Syntax matching doesn\'t applicable for custom properties'
+            };
+        }
+
         var propertySyntax = property.vendor
             ? this.getProperty(property.vendor + property.name) || this.getProperty(property.name)
             : this.getProperty(property.name);

diff --git a/test/fixture/syntax/var.json b/test/fixture/syntax/var.json
@@ -15,5 +15,11 @@
             "VAR(--name)",
             "VAR(--name) qux"
         ]
+    },
+    "custom properties should be ignored": {
+        "property": "--var",
+        "valid": [
+            "any value"
+        ]
     }
 }