Fix selector-nest-combinators throwing an error when using nested props

src/rules/declaration-nested-properties/__tests__/index.js

@@ -33,6 +33,17 @@ testRule(rule, {
       }
     `,
       description: "{ always } Vendor prefixed rules."
+    },
+    {
+      code: `
+      a {
+        font: {
+          size: 10px;
+          weight: 400;
+        }
+      }
+      `,
+      description: "nested properties"
     }
   ]
 });

src/rules/selector-nest-combinators/__tests__/index.js

@@ -96,6 +96,17 @@ testRule(rule, {
       }
       `,
       description: "should support interpolation"
+    },
+    {
+      code: `
+      a {
+        font: {
+          size: 10px;
+          weight: 400;
+        }
+      }
+      `,
+      description: "ignores nested properties"
     }
   ],
 
@@ -240,6 +251,17 @@ testRule(rule, {
       .class-name #{if(&, "&", "")} {}
       `,
       description: "should support interpolation"
+    },
+    {
+      code: `
+      a {
+        font: {
+          size: 10px;
+          weight: 400;
+        }
+      }
+      `,
+      description: "ignores nested properties"
     }
   ],
 

src/rules/selector-nest-combinators/index.js

@@ -46,6 +46,14 @@ export default function(expectation) {
     const interpolationRe = /#{.+?}$/;
 
     root.walkRules(rule => {
+      if (typeof rule.selector === "string") {
+        const isNestedProperty = rule.selector.slice(-1) === ":";
+
+        if (isNestedProperty) {
+          return;
+        }
+      }
+
       parseSelector(rule.selector, result, rule, fullSelector => {
         let message;