From b05948bdd5cc0e7d4b8aaf877c01e4d3fa35d9e5 Mon Sep 17 00:00:00 2001
From: Jerel Miller <jmiller@newrelic.com>
Date: Sun, 7 Jun 2020 01:17:01 -0700
Subject: [PATCH] feat: Implement meta info for arrayOf types

---
 src/utils/__tests__/propTypeInfo.js | 18 ++++++++++++++++++
 src/utils/propTypeInfo.js           | 11 +++++++++++
 2 files changed, 29 insertions(+)

diff --git a/src/utils/__tests__/propTypeInfo.js b/src/utils/__tests__/propTypeInfo.js
index 140621b58..e3cb621e0 100644
--- a/src/utils/__tests__/propTypeInfo.js
+++ b/src/utils/__tests__/propTypeInfo.js
@@ -386,4 +386,22 @@ describe('getTypeMeta', () => {
       ],
     });
   });
+
+  test('returns nested type info for arrayOf types', () => {
+    const propType = createPropType('arrayOf', [createPropType('string')]);
+
+    const component = {
+      propTypes: {
+        names: propType,
+      },
+    };
+
+    expect(getTypeMeta('names', propType, { component })).toEqual({
+      itemTypes: {
+        meta: null,
+        raw: 'string',
+        name: 'string',
+      },
+    });
+  });
 });
diff --git a/src/utils/propTypeInfo.js b/src/utils/propTypeInfo.js
index f5048304b..cc3e30cba 100644
--- a/src/utils/propTypeInfo.js
+++ b/src/utils/propTypeInfo.js
@@ -119,6 +119,17 @@ export const getTypeMeta = (name, propType, { component }) => {
         ),
       };
     }
+    case 'arrayOf': {
+      const [arrayOfPropType] = getArgs(propType);
+
+      return {
+        itemTypes: {
+          meta: getTypeMeta(name, arrayOfPropType, { component }),
+          raw: getRawTypeName(arrayOfPropType),
+          name: getNormalizedTypeName(arrayOfPropType),
+        },
+      };
+    }
     default:
       return null;
   }