Add more tests and fix edge case scenario

Author: michalsnik

lib/rules/prop-name-casing.js

@@ -25,8 +25,10 @@ function create (context) {
     const node = obj.properties.find(p =>
       p.type === 'Property' &&
       p.key.type === 'Identifier' &&
-      p.key.name === 'props'
+      p.key.name === 'props' &&
+      (p.value.type === 'ObjectExpression' || p.value.type === 'ArrayExpression')
     )
+
     if (!node) return
 
     const items = node.value.type === 'ObjectExpression' ? node.value.properties : node.value.elements

tests/lib/rules/prop-name-casing.js

@@ -34,6 +34,26 @@ ruleTester.run('prop-name-casing', rule, {
       `,
       parserOptions
     },
+    {
+      filename: 'test.vue',
+      code: `
+        export default {
+          props: some_props
+        }
+      `,
+      parserOptions
+    },
+    {
+      filename: 'test.vue',
+      code: `
+        export default {
+          props: {
+            ...some_props,
+          }
+        }
+      `,
+      parserOptions
+    },
     {
       filename: 'test.vue',
       code: `