From 5bb5e26d166a7838b4b26562cff1c5472562089b Mon Sep 17 00:00:00 2001
From: puneet <puneet.here121@gmail.com>
Date: Mon, 10 Oct 2022 21:39:08 -0700
Subject: [PATCH 1/2] call updateNumberOfLines when value changes

---
 src/components/Composer/index.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/components/Composer/index.js b/src/components/Composer/index.js
index 37c951ca84dd..89da56ad039a 100755
--- a/src/components/Composer/index.js
+++ b/src/components/Composer/index.js
@@ -169,7 +169,9 @@ class Composer extends React.Component {
             this.setState({numberOfLines: 1});
             this.props.onClear();
         }
-        if (prevProps.defaultValue !== this.props.defaultValue
+
+        if (prevProps.value !== this.props.value
+            || prevProps.defaultValue !== this.props.defaultValue
             || prevProps.isComposerFullSize !== this.props.isComposerFullSize) {
             this.updateNumberOfLines();
         }

From 69070accbf8c47de98ad8b6ebc0e5e2b9a86c5a4 Mon Sep 17 00:00:00 2001
From: puneet <puneet.here121@gmail.com>
Date: Mon, 10 Oct 2022 21:41:06 -0700
Subject: [PATCH 2/2] call updateNumberOfLines at onChange when value is
 notavailable

---
 src/components/Composer/index.js | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/components/Composer/index.js b/src/components/Composer/index.js
index 89da56ad039a..a441d114c2e2 100755
--- a/src/components/Composer/index.js
+++ b/src/components/Composer/index.js
@@ -135,6 +135,7 @@ class Composer extends React.Component {
         this.handlePaste = this.handlePaste.bind(this);
         this.handlePastedHTML = this.handlePastedHTML.bind(this);
         this.handleWheel = this.handleWheel.bind(this);
+        this.shouldCallUpdateNumberOfLines = this.shouldCallUpdateNumberOfLines.bind(this);
     }
 
     componentDidMount() {
@@ -341,6 +342,18 @@ class Composer extends React.Component {
         event.stopPropagation();
     }
 
+    /**
+     * We want to call updateNumberOfLines only when the parent doesn't provide value in props
+     * as updateNumberOfLines is already being called when value changes in componentDidUpdate
+     */
+    shouldCallUpdateNumberOfLines() {
+        if (!_.isEmpty(this.props.value)) {
+            return;
+        }
+
+        this.updateNumberOfLines();
+    }
+
     /**
      * Check the current scrollHeight of the textarea (minus any padding) and
      * divide by line height to get the total number of rows for the textarea.
@@ -375,9 +388,7 @@ class Composer extends React.Component {
                 placeholderTextColor={themeColors.placeholderText}
                 ref={el => this.textInput = el}
                 selection={this.state.selection}
-                onChange={() => {
-                    this.updateNumberOfLines();
-                }}
+                onChange={this.shouldCallUpdateNumberOfLines}
                 onSelectionChange={this.onSelectionChange}
                 numberOfLines={this.state.numberOfLines}
                 style={propStyles}