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34 changes: 22 additions & 12 deletions packages/core/lib/src/internal/parser/color.dart
Original file line number Diff line number Diff line change
Expand Up @@ -90,12 +90,17 @@ CssColor? tryParseColor(css.Expression? expression) {
return null;
}

double? _parseColorAlpha(css.Expression v) => (v is css.NumberTerm
? v.number.toDouble()
: v is css.PercentageTerm
? v.valueAsDouble
: null)
?.clamp(0.0, 1.0);
double? _parseColorAlpha(css.Expression expression) {
final double? value;
if (expression is css.NumberTerm) {
value = expression.number.toDouble();
} else if (expression is css.PercentageTerm) {
value = expression.valueAsDouble;
} else {
value = null;
}
return value?.clamp(0, 1);
}

double _parseColorHue(num number, [int? unit]) {
final v = number is double ? number : number.toDouble();
Expand All @@ -122,12 +127,17 @@ double _parseColorHue(num number, [int? unit]) {
return deg % 360;
}

int? _parseColorRgbElement(css.Expression v) => (v is css.NumberTerm
? v.number.ceil()
: v is css.PercentageTerm
? (v.valueAsDouble * 255.0).ceil()
: null)
?.clamp(0, 255);
int? _parseColorRgbElement(css.Expression expression) {
final int? value;
if (expression is css.NumberTerm) {
value = expression.number.ceil();
} else if (expression is css.PercentageTerm) {
value = (expression.valueAsDouble * 255.0).ceil();
} else {
value = null;
}
return value?.clamp(0, 255);
}

String _x2(String value) {
final sb = StringBuffer();
Expand Down