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node_modules/eslint-plugin-react/lib/rules/prefer-es6-class.js

@@ -0,0 +1,51 @@
+/**
+ * @fileoverview Enforce ES5 or ES6 class for React Components
+ * @author Dan Hamilton
+ */
+
+'use strict';
+
+const Components = require('../util/Components');
+const docsUrl = require('../util/docsUrl');
+
+// ------------------------------------------------------------------------------
+// Rule Definition
+// ------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    docs: {
+      description: 'Enforce ES5 or ES6 class for React Components',
+      category: 'Stylistic Issues',
+      recommended: false,
+      url: docsUrl('prefer-es6-class')
+    },
+
+    schema: [{
+      enum: ['always', 'never']
+    }]
+  },
+
+  create: Components.detect((context, components, utils) => {
+    const configuration = context.options[0] || 'always';
+
+    return {
+      ObjectExpression(node) {
+        if (utils.isES5Component(node) && configuration === 'always') {
+          context.report({
+            node,
+            message: 'Component should use es6 class instead of createClass'
+          });
+        }
+      },
+      ClassDeclaration(node) {
+        if (utils.isES6Component(node) && configuration === 'never') {
+          context.report({
+            node,
+            message: 'Component should use createClass instead of es6 class'
+          });
+        }
+      }
+    };
+  })
+};