From da1f7a21ddc7b9aa3dd71e6bc0fae90cf7fbbdac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kiho=20=C2=B7=20Cham?= <monkindey@163.com>
Date: Mon, 19 Aug 2019 21:15:28 +0800
Subject: [PATCH] fix: getSchema returning undefined doesn't break setIn (#269)

---
 packages/utils/src/__tests__/index.spec.js | 15 +++++++++++++++
 packages/utils/src/accessor.ts             |  3 ++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/packages/utils/src/__tests__/index.spec.js b/packages/utils/src/__tests__/index.spec.js
index 6cb6e38f5b1..c0fa3d45fd3 100644
--- a/packages/utils/src/__tests__/index.spec.js
+++ b/packages/utils/src/__tests__/index.spec.js
@@ -31,6 +31,21 @@ test('test setIn auto create array', () => {
   ).toBeTruthy()
 })
 
+test('getSchema return undefined', () => {
+  const value = {}
+  setIn(value, 'array.0.bb.2', 'hello world', () => {})
+
+  expect(
+    isEqual(value, {
+      array: [
+        {
+          bb: [undefined, undefined, 'hello world']
+        }
+      ]
+    })
+  ).toBeTruthy()
+})
+
 test('test setIn dose not affect other items', () => {
   const value = {
     aa: [
diff --git a/packages/utils/src/accessor.ts b/packages/utils/src/accessor.ts
index 134983d6752..bcf862d9cee 100644
--- a/packages/utils/src/accessor.ts
+++ b/packages/utils/src/accessor.ts
@@ -504,7 +504,8 @@ function _setIn(
       if (/^\d+$/.test(pathArr[i + 1 + ''])) {
         if (getSchema) {
           const schema = getSchema(pathArr.slice(0, i) as string[])
-          if (schema.type === 'array') {
+
+          if (!schema || schema.type === 'array') {
             obj[p] = []
           } else {
             obj[p] = {}