make has-a11y-descriptors fixable (#131)

* make has-a11y-descriptors fixable

* fix Flow error

* update tests to account for fixed output

Author: jpdriver

__tests__/__util__/parserOptionsMapper.js

@@ -9,12 +9,14 @@ export default function parserOptionsMapper({
   code,
   errors,
   options = [],
+  output = null,
   parserOptions = {},
 }) {
   return {
     code,
     errors,
     options,
+    output,
     parserOptions: {
       ...defaultParserOptions,
       ...parserOptions,

__tests__/src/rules/has-valid-accessibility-descriptors-test.js

@@ -78,10 +78,14 @@ ruleTester.run('has-valid-accessibility-descriptors', rule, {
               <Text>Back</Text>
              </TouchableOpacity>`,
       errors: [expectedError],
+      output: `<TouchableOpacity accessible={false}>
+              <Text>Back</Text>
+             </TouchableOpacity>`,
     },
     {
       code: `<TextInput />`,
       errors: [expectedError],
+      output: `<TextInput accessible={false} />`,
     },
   ].map(parserOptionsMapper),
 });

src/rules/has-valid-accessibility-descriptors.js

@@ -23,6 +23,7 @@ module.exports = {
   meta: {
     docs: {},
     schema: [schema],
+    fixable: 'code',
   },
 
   create: (context: ESLintContext) => ({
@@ -39,6 +40,13 @@ module.exports = {
           context.report({
             node,
             message: errorMessage,
+            fix: (fixer) => {
+              return fixer.insertTextAfterRange(
+                // $FlowFixMe
+                node.name.range,
+                ' accessible={false}'
+              );
+            },
           });
         }
       }