Merge pull request #13720 from dalenguyen/fix/InputNumber-with-maxlen…

…gth-attribute

fix(inputNumber): improve maxlength behaviour

src/app/components/inputnumber/inputnumber.ts

@@ -978,6 +978,12 @@ export class InputNumber implements OnInit, AfterContentInit, OnChanges, Control
 
         const newValue = this.parseValue(this.input.nativeElement.value + char);
         const newValueStr = newValue != null ? newValue.toString() : '';
+
+        if (this.maxlength && this.getSelectedText()?.length == this.maxlength) {
+            this.insert(event, char, { isDecimalSign, isMinusSign });
+            return;
+        }
+
         if (this.maxlength && newValueStr.length > this.maxlength) {
             return;
         }
@@ -987,6 +993,15 @@ export class InputNumber implements OnInit, AfterContentInit, OnChanges, Control
         }
     }
 
+    private getSelectedText() {
+        return (
+            window
+                ?.getSelection()
+                ?.toString()
+                .replaceAll(/[^0-9']/g, '') || ''
+        );
+    }
+
     onPaste(event: ClipboardEvent) {
         if (!this.disabled && !this.readonly) {
             event.preventDefault();