From e3c3d6eb7e7bad796195522f7a9ce557fd40a060 Mon Sep 17 00:00:00 2001
From: Alexandre Ardhuin <alexandre.ardhuin@gmail.com>
Date: Mon, 3 Aug 2020 23:26:05 +0200
Subject: [PATCH] text selection affinity can be null on web (#62778)

---
 packages/flutter/lib/src/services/text_input.dart | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/flutter/lib/src/services/text_input.dart b/packages/flutter/lib/src/services/text_input.dart
index d98009d090..079c211975 100644
--- a/packages/flutter/lib/src/services/text_input.dart
+++ b/packages/flutter/lib/src/services/text_input.dart
@@ -594,7 +594,7 @@ class TextInputConfiguration {
   }
 }
 
-TextAffinity? _toTextAffinity(String affinity) {
+TextAffinity? _toTextAffinity(String? affinity) {
   switch (affinity) {
     case 'TextAffinity.downstream':
       return TextAffinity.downstream;
@@ -662,7 +662,7 @@ class TextEditingValue {
       selection: TextSelection(
         baseOffset: encoded['selectionBase'] as int? ?? -1,
         extentOffset: encoded['selectionExtent'] as int? ?? -1,
-        affinity: _toTextAffinity(encoded['selectionAffinity'] as String) ?? TextAffinity.downstream,
+        affinity: _toTextAffinity(encoded['selectionAffinity'] as String?) ?? TextAffinity.downstream,
         isDirectional: encoded['selectionIsDirectional'] as bool? ?? false,
       ),
       composing: TextRange(