[eslint config] [breaking] enable react/no-array-index-key, react/require-default-props

Author: ljharb

packages/eslint-config-airbnb/rules/react.js

@@ -296,6 +296,14 @@ module.exports = {
       beforeSelfClosing: 'always',
       afterOpening: 'never'
     }],
+
+    // Prevent usage of Array index in keys
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-array-index-key.md
+    'react/no-array-index-key': 'error',
+
+    // Enforce a defaultProps definition for every prop that is not a required prop
+    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/require-default-props.md
+    'react/require-default-props': 'error',
   },
 
   settings: {