init source

node_modules/eslint-plugin-react/lib/rules/no-this-in-sfc.js

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+/**
+ * @fileoverview Report "this" being used in stateless functional components.
+ */
+
+'use strict';
+
+const Components = require('../util/Components');
+const docsUrl = require('../util/docsUrl');
+
+// ------------------------------------------------------------------------------
+// Constants
+// ------------------------------------------------------------------------------
+
+const ERROR_MESSAGE = 'Stateless functional components should not use this';
+
+// ------------------------------------------------------------------------------
+// Rule Definition
+// ------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    docs: {
+      description: 'Report "this" being used in stateless components',
+      category: 'Possible Errors',
+      recommended: false,
+      url: docsUrl('no-this-in-sfc')
+    },
+    schema: []
+  },
+
+  create: Components.detect((context, components, utils) => ({
+    MemberExpression(node) {
+      if (node.object.type === 'ThisExpression') {
+        const component = components.get(utils.getParentStatelessComponent());
+        if (!component || component.node && component.node.parent && component.node.parent.type === 'Property') {
+          return;
+        }
+        context.report({
+          node,
+          message: ERROR_MESSAGE
+        });
+      }
+    }
+  }))
+};