Method ScanJsxTokenEx

internal/scanner/scanner.go:1253–1318

(allowMultilineJsxText bool)

}

func (s *Scanner) ScanJsxTokenEx(allowMultilineJsxText bool) ast.Kind {
	s.fullStartPos = s.pos
	s.tokenStart = s.pos
	ch := s.char()
	switch {
	case ch < 0:
		s.token = ast.KindEndOfFile
	case ch == '<':
		if s.charAt(1) == '/' {
			s.pos += 2
			s.token = ast.KindLessThanSlashToken
		} else {
			s.pos++
			s.token = ast.KindLessThanToken
		}
	case ch == '{':
		s.pos++
		s.token = ast.KindOpenBraceToken
	default:
		// First non-whitespace character on this line.
		firstNonWhitespace := 0
		// These initial values are special because the first line is:
		// firstNonWhitespace = 0 to indicate that we want leading whitespace
		for {
			ch, size := s.charAndSize()
			if size == 0 || ch == '{' {
				break
			}
			if ch == '<' {
				if isConflictMarkerTrivia(s.text, s.pos) {
					s.pos = scanConflictMarkerTrivia(s.text, s.pos, s.errorAt)
					s.token = ast.KindConflictMarkerTrivia
					return s.token
				}
				break
			}
			if ch == '>' {
				s.errorAt(diagnostics.Unexpected_token_Did_you_mean_or_gt, s.pos, 1)
			} else if ch == '}' {
				s.errorAt(diagnostics.Unexpected_token_Did_you_mean_or_rbrace, s.pos, 1)
			}
			// FirstNonWhitespace is 0, then we only see whitespaces so far. If we see a linebreak, we want to ignore that whitespaces.
			// i.e (- : whitespace)
			//      <div>----
			//      </div> becomes <div></div>
			//
			//      <div>----</div> becomes <div>----</div>
			if stringutil.IsLineBreak(ch) && firstNonWhitespace == 0 {
				firstNonWhitespace = -1
			} else if !allowMultilineJsxText && stringutil.IsLineBreak(ch) && firstNonWhitespace > 0 {
				// Stop JsxText on each line during formatting. This allows the formatter to
				// indent each line correctly.
				break
			} else if !stringutil.IsWhiteSpaceLike(ch) {
				firstNonWhitespace = s.pos
			}
			s.pos += size
		}