parseMimeTypes function

Map<String, String> parseMimeTypes(String content)

Parses MIME type definitions from raw text content (e.g., /etc/mime.types).

Returns a map where keys are file extensions (without dots) and values are their corresponding MIME types.

Example:

final content = '.log    text/x-log\n.json   application/json';
final map = parseMimeTypes(content);
// {'log': 'text/x-log', 'json': 'application/json'}

Implementation

Map<String, String> parseMimeTypes(String content) {
  final regexp = RegExp(r'\s+');
  final map = <String, String>{};
  final lines = content.split(RegExp(r'\r?\n'));

  for (var line in lines) {
    line = line.trim();
    if (line.isEmpty || line.startsWith('#')) continue;
    final parts = line.split(regexp);
    if (parts.length >= 2) {
      final ext = parts[0].startsWith('.') ? parts[0].substring(1) : parts[0];
      map[ext] = parts[1];
    }
  }
  return map;
}