Allow decoration: null

[LizDresserDev]

I started converting some of our TextField() widgets into AutoSizeTextField() widgets. In our TextField() widgets, we allowed for a null decoration like this:

                Flexible(
                  child: TextField(
                    controller: _dateOrTaskNameController,
                    decoration: null,
                  ),
                ),

Simple conversion to AutoSizeTextField() looks like this:

                Flexible(
                  child: AutoSizeTextField(
                    controller: _dateOrTaskNameController,
                    decoration: null,
                  ),
                ),

The exception is below:

I/flutter ( 6673): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
I/flutter ( 6673): The following NoSuchMethodError was thrown building LayoutBuilder:
I/flutter ( 6673): The getter 'prefixText' was called on null.
I/flutter ( 6673): Receiver: null
I/flutter ( 6673): Tried calling: prefixText
I/flutter ( 6673):
I/flutter ( 6673): The relevant error-causing widget was:
I/flutter ( 6673): AutoSizeTextField lib\dependency\dependency_form.dart
I/flutter ( 6673):
I/flutter ( 6673): When the exception was thrown, this was the stack:
I/flutter ( 6673): #0 Object.noSuchMethod (dart:core-patch/object_patch.dart:51:5)
I/flutter ( 6673): #1 _AutoSizeTextFieldState._checkTextFits package:auto_size_text_field/src/auto_size_text_field.dart:752

Could we get the AutoSizeTextField widget to have the same decoration handling as the TextField widget?

[lzhuor]

Thanks @LizDW I will need to dig more into the issue. Keep you posted. It will be good if you can help dig into the source code and take look as well.

[lzhuor]

Working in progress.