Ensure SFC are ignored for the require-optimization rule.

Author: Evgueni Naverniouk

lib/rules/require-optimization.js

@@ -96,13 +96,23 @@ module.exports = Components.detect(function (context, components) {
   };
 
   return {
+    ArrowFunctionExpression: function (node) {
+      // Stateless Functional Components cannot be optimized (yet)
+      markSCUAsDeclared(node);
+    },
+
     ClassDeclaration: function (node) {
       if (!hasPureRenderDecorator(node)) {
         return;
       }
       markSCUAsDeclared(node);
     },
 
+    FunctionExpression: function (node) {
+      // Stateless Functional Components cannot be optimized (yet)
+      markSCUAsDeclared(node);
+    },
+
     MethodDefinition: function (node) {
       if (!isSCUDeclarеd(node.key)) {
         return;

tests/lib/rules/require-optimization.js

@@ -61,6 +61,22 @@ ruleTester.run('react-require-optimization', rule, {
     ].join('\n'),
     parser: 'babel-eslint',
     parserOptions: parserOptions
+  }, {
+    code: [
+      'const FunctionalComponent = function (props) {' +
+      'return <div />;' +
+      '}'
+    ].join('\n'),
+    parser: 'babel-eslint',
+    parserOptions: parserOptions
+  }, {
+    code: [
+      'const FunctionalComponent = (props) => {' +
+      'return <div />;' +
+      '}'
+    ].join('\n'),
+    parser: 'babel-eslint',
+    parserOptions: parserOptions
   }],
 
   invalid: [{