generateTextSpans method

List<TextSpan> generateTextSpans(String text)

Implementation

List<TextSpan> generateTextSpans(String text) {
  final List<TextSpan> spans = [];
  final TextStyle emojiStyle = style.copyWith(
    fontSize: style.fontSize! *
        (Platform.isAndroid ? 1.12 - 0.05 * 34 / style.fontSize! : 0.9),
    letterSpacing: 2,
  );

  final TextStyle boldStyle = style.copyWith(fontWeight: boldWeight);

  text.splitMapJoin(
    emojiRegex,
    onMatch: (m) {
      spans.add(
        TextSpan(
          text: m.group(0),
          style: emojiStyle,
        ),
      );
      return '';
    },
    onNonMatch: (s) {
      return s.splitMapJoin(
        boldRegex,
        onMatch: (m) {
          spans.add(
            TextSpan(
              text: m.group(1),
              style: boldStyle,
            ),
          );
          return '';
        },
        onNonMatch: (st) {
          spans.add(TextSpan(text: st));
          return '';
        },
      );
    },
  );
  return spans;
}