textSpans method

List<TextSpan> textSpans(Iterable<RegExpMatch> matches, String text, TextStyle? textStyle, TextStyle? linkStyle,)

Implementation

List<TextSpan> textSpans(Iterable<RegExpMatch> matches, String text, TextStyle? textStyle, TextStyle? linkStyle) {
   for (final RegExpMatch match in matches) {
    if (match.start > start) {
      spans.add(TextSpan(
        text: text.substring(start, match.start),
        style: textStyle ?? const TextStyle(color: Colors.black),
      ));
    }
    final String url = match.group(0)!;
    final Uri uri = Uri.parse(url);

    spans.add(
      TextSpan(
        text: url,
        style: linkStyle ?? const TextStyle(color: Colors.red),
        recognizer: TapGestureRecognizer()
          ..onTap = () async {
            if (!await launchUrl(uri, mode: LaunchMode.inAppBrowserView)) {
              throw Exception('Could not launch $url');
            }
          },
      ),
    );
    start = match.end;
  }

  if (start < text.length) {
    spans.add(TextSpan(
      text: text.substring(start),
      style: textStyle,
    ));
  }
  return spans;
}