Revert repeater (#52752)

Reverts repeat filter logic for text formatter

packages/flutter/lib/src/widgets/editable_text.dart

@@ -1230,9 +1230,6 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
   // _lastFormattedUnmodifiedTextEditingValue tracks the last value
   // that the formatter ran on and is used to prevent double-formatting.
   TextEditingValue _lastFormattedUnmodifiedTextEditingValue;
-  // _lastFormattedValue tracks the last post-format value, so that it can be
-  // reused without rerunning the formatter when the input value is repeated.
-  TextEditingValue _lastFormattedValue;
   // _receivedRemoteTextEditingValue is the direct value last passed in
   // updateEditingValue. This value does not get updated with the formatted
   // version.
@@ -1663,29 +1660,15 @@ class EditableTextState extends State<EditableText> with AutomaticKeepAliveClien
     // Check if the new value is the same as the current local value, or is the same
     // as the post-formatting value of the previous pass.
     final bool textChanged = _value?.text != value?.text;
-    final bool isRepeatText = value?.text == _lastFormattedUnmodifiedTextEditingValue?.text;
-    final bool isRepeatSelection = value?.selection == _lastFormattedUnmodifiedTextEditingValue?.selection;
-    // Only format when the text has changed and there are available formatters.
-    if (!isRepeatText && textChanged && widget.inputFormatters != null && widget.inputFormatters.isNotEmpty) {
-      for (final TextInputFormatter formatter in widget.inputFormatters) {
+    final bool isRepeat = value?.text == _lastFormattedUnmodifiedTextEditingValue?.text;
+    if (textChanged && !isRepeat && widget.inputFormatters != null && widget.inputFormatters.isNotEmpty) {
+      for (final TextInputFormatter formatter in widget.inputFormatters)
         value = formatter.formatEditUpdate(_value, value);
-      }
-      // Always pass the text through the whitespace directionality formatter to
-      // maintain expected behavior with carets on trailing whitespace.
-      value = _whitespaceFormatter.formatEditUpdate(_value, value);
-      _lastFormattedValue = value;
-    }
-    // If the text has changed or the selection has changed, we should update the
-    // locally stored TextEditingValue to the new one.
-    if (!isRepeatText || !isRepeatSelection) {
       _value = value;
-    } else if (textChanged && _lastFormattedValue != null) {
-      _value = _lastFormattedValue;
+      _updateRemoteEditingValueIfNeeded();
+    } else {
+      _value = value;
     }
-    // Always attempt to send the value. If the value has changed, then it will send,
-    // otherwise, it will short-circuit.
-    _updateRemoteEditingValueIfNeeded();
-
     if (textChanged && widget.onChanged != null)
       widget.onChanged(value.text);
     _lastFormattedUnmodifiedTextEditingValue = _receivedRemoteTextEditingValue;