Fix nested props destructuring (fixes #136)

Author: yannickcr

lib/rules/prop-types.js

@@ -423,10 +423,19 @@ module.exports = function(context) {
             continue;
           }
           var propName = getKeyValue(properties[k]);
+
+          var currentNode = node;
+          allNames = [];
+          while (currentNode.property && currentNode.property.name !== 'props') {
+            allNames.unshift(currentNode.property.name);
+            currentNode = currentNode.object;
+          }
+          allNames.push(propName);
+
           if (propName) {
             usedPropTypes.push({
               name: propName,
-              allNames: [propName],
+              allNames: allNames,
               node: properties[k]
             });
           }

tests/lib/rules/prop-types.js

@@ -522,6 +522,22 @@ eslintTester.addRuleTest('lib/rules/prop-types', {
       ].join('\n'),
       parser: 'babel-eslint',
       args: [1, {ignore: ['name']}]
+    }, {
+      code: [
+        'class Hello extends React.Component {',
+        '  render() {',
+        '    const {firstname, lastname} = this.props.name;',
+        '    return <div>{firstname} {lastname}</div>;',
+        '  }',
+        '}',
+        'Hello.propTypes = {',
+        '  name: PropTypes.shape({',
+        '    firstname: PropTypes.string,',
+        '    lastname: PropTypes.string',
+        '  })',
+        '};'
+      ].join('\n'),
+      parser: 'babel-eslint'
     }
   ],