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TextStyle: debugLabel param ignored in copyWith unless receiver already has a debugLabel #141140

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#141141
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TextStyle: debugLabel param ignored in copyWith unless receiver already has a debugLabel#141140
#141141
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P3Issues that are less important to the Flutter projecta: typographyText rendering, possibly libtxtframeworkflutter/packages/flutter repository. See also f: labels.r: fixedIssue is closed as already fixed in a newer versionteam-frameworkOwned by Framework teamtriaged-frameworkTriaged by Framework team
@chrisbobbe

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@chrisbobbe
chrisbobbe
opened on Jan 8, 2024

See implementation of TextStyle.copyWith:

flutter/packages/flutter/lib/src/painting/text_style.dart

Lines 894 to 900 in a7aca4b

String? newDebugLabel;
assert(() {
if (this.debugLabel != null) {
newDebugLabel = debugLabel ?? '(${this.debugLabel}).copyWith';
}
return true;
}());

(where debugLabel is a copyWith param).

The debugLabel param is ignored unless the receiver (the TextStyle you're calling copyWith on) already has a debugLabel. This is problematic when you have a text style without a debug label and you want to make a copy that has a debug label.

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    P3Issues that are less important to the Flutter projecta: typographyText rendering, possibly libtxtframeworkflutter/packages/flutter repository. See also f: labels.r: fixedIssue is closed as already fixed in a newer versionteam-frameworkOwned by Framework teamtriaged-frameworkTriaged by Framework team

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