From 1709e9487b91f5511a52a52e53a9072aae18f4a4 Mon Sep 17 00:00:00 2001
From: Olivier Tassinari <olivier.tassinari@gmail.com>
Date: Fri, 27 Mar 2020 23:54:43 +0100
Subject: [PATCH] respect existing types

---
 .../material-ui-lab/src/useAutocomplete/useAutocomplete.js    | 2 +-
 .../src/useAutocomplete/useAutocomplete.test.js               | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.js b/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.js
index 65cf5d9002afe4..5e058d12693643 100644
--- a/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.js
+++ b/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.js
@@ -32,7 +32,7 @@ export function createFilterOptions(config = {}) {
     }
 
     if (startAfter > 0 && input.length <= startAfter) {
-      return false;
+      return [];
     }
 
     const filteredOptions = options.filter((option) => {
diff --git a/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.test.js b/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.test.js
index 3c745d49841d74..3718b6b421192a 100644
--- a/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.test.js
+++ b/packages/material-ui-lab/src/useAutocomplete/useAutocomplete.test.js
@@ -44,8 +44,8 @@ describe('createFilterOptions', () => {
         },
       ];
 
-      expect(filterOptions(options, { inputValue: 'c', getOptionLabel })).to.deep.equal(false);
-      expect(filterOptions(options, { inputValue: 'ca', getOptionLabel })).to.deep.equal(false);
+      expect(filterOptions(options, { inputValue: 'c', getOptionLabel })).to.deep.equal([]);
+      expect(filterOptions(options, { inputValue: 'ca', getOptionLabel })).to.deep.equal([]);
       expect(filterOptions(options, { inputValue: 'cat', getOptionLabel })).to.deep.equal([
         options[0],
       ]);