[Fix] prop-types: handle anonymous functions

Fixes #2728. Co-authored-by: Odin Hørthe Omdal <odin.omdal@gmail.com> Co-authored-by: Jordan Harband <ljharb@gmail.com> Co-authored-by: Dmitriy Lazarev <w@kich.dev>
jsx-eslint · Jul 27, 2020 · f070df0 · f070df0
1 parent e20522c
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diff --git a/lib/util/Components.js b/lib/util/Components.js
@@ -689,6 +689,7 @@ function componentRule(rule, context) {
     getStatelessComponent(node) {
       if (
         node.type === 'FunctionDeclaration'
+        && node.id
         && isFirstLetterCapitalized(node.id.name)
         && utils.isReturningJSXOrNull(node)
       ) {

diff --git a/tests/lib/rules/prop-types.js b/tests/lib/rules/prop-types.js
@@ -2569,6 +2569,11 @@ ruleTester.run('prop-types', rule, {
         return null;
       }`,
       parser: parsers.TYPESCRIPT_ESLINT
+    },
+    {
+      code: `
+      export default function() {}
+      `
     }
   ],