paradiego

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

@@ -0,0 +1,58 @@
+/**
+ * @fileoverview Enforce ES5 or ES6 class for React Components
+ * @author Dan Hamilton
+ */
+
+'use strict';
+
+const componentUtil = require('../util/componentUtil');
+const docsUrl = require('../util/docsUrl');
+const report = require('../util/report');
+
+// ------------------------------------------------------------------------------
+// Rule Definition
+// ------------------------------------------------------------------------------
+
+const messages = {
+  shouldUseES6Class: 'Component should use es6 class instead of createClass',
+  shouldUseCreateClass: 'Component should use createClass instead of es6 class',
+};
+
+/** @type {import('eslint').Rule.RuleModule} */
+module.exports = {
+  meta: {
+    docs: {
+      description: 'Enforce ES5 or ES6 class for React Components',
+      category: 'Stylistic Issues',
+      recommended: false,
+      url: docsUrl('prefer-es6-class'),
+    },
+
+    messages,
+
+    schema: [{
+      enum: ['always', 'never'],
+    }],
+  },
+
+  create(context) {
+    const configuration = context.options[0] || 'always';
+
+    return {
+      ObjectExpression(node) {
+        if (componentUtil.isES5Component(node, context) && configuration === 'always') {
+          report(context, messages.shouldUseES6Class, 'shouldUseES6Class', {
+            node,
+          });
+        }
+      },
+      ClassDeclaration(node) {
+        if (componentUtil.isES6Component(node, context) && configuration === 'never') {
+          report(context, messages.shouldUseCreateClass, 'shouldUseCreateClass', {
+            node,
+          });
+        }
+      },
+    };
+  },
+};