feat(chatTextArea): Improve _getMaxHeight

marker dao ® · marker dao ® · commit e3fb02b0951d · 2025-11-06T15:19:22.000+01:00
diff --git a/packages/devextreme/js/__internal/ui/chat/message_box/chat_text_area.ts b/packages/devextreme/js/__internal/ui/chat/message_box/chat_text_area.ts
@@ -408,7 +408,13 @@ class ChatTextArea extends TextArea<Properties> {
   }
 
   _getMaxHeight(): number | undefined {
-    const maxHeight = parseFloat(this._input().css('maxHeight') ?? '0');
+    const cssValue = this._input().css('maxHeight');
+
+    if (!cssValue || cssValue === 'none') {
+      return undefined;
+    }
+
+    const maxHeight = parseFloat(cssValue);
 
     return maxHeight;
   }

Original file line number	Diff line number	Diff line change
`@@ -408,7 +408,13 @@ class ChatTextArea extends TextArea<Properties> {`
`408`	`408`	`}`
`409`	`409`
`410`	`410`	`_getMaxHeight(): number \| undefined {`
`411`		`- const maxHeight = parseFloat(this._input().css('maxHeight') ?? '0');`
	`411`	`+ const cssValue = this._input().css('maxHeight');`
	`412`	`+`
	`413`	`+ if (!cssValue \|\| cssValue === 'none') {`
	`414`	`+ return undefined;`
	`415`	`+ }`
	`416`	`+`
	`417`	`+ const maxHeight = parseFloat(cssValue);`
`412`	`418`
`413`	`419`	`return maxHeight;`
`414`	`420`	`}`