toJson method
Implementation
Map<String, dynamic> toJson() => {
if (fontSize != null) 'fontSize': fontSize,
if (color != null) 'color': color,
if (fontWeight != null) 'fontWeight': fontWeight!.name,
if (fontFamily != null) 'fontFamily': fontFamily,
if (backgroundColor != null) 'backgroundColor': backgroundColor,
if (decoration != null) 'decoration': decoration!.name,
if (letterSpacing != null) 'letterSpacing': letterSpacing,
if (wordSpacing != null) 'wordSpacing': wordSpacing,
if (lineHeight != null) 'lineHeight': lineHeight,
};