addRoute<T> function

void addRoute<T>(RouterContext<T> ctx, String method, String path, T data,)

Adds a route to the router context.

Implementation

void addRoute<T>(RouterContext<T> ctx, String method, String path, T data) {
  final segments = toPathSegments(path);
  final ParamsMetadata params = [];

  Node<T> node = ctx.root;
  int unmamedParamIndex = 0;

  for (final (index, segment) in segments.indexed) {
    // Wildcard
    if (segment.startsWith('**')) {
      node = node.wildcard ??= NodeImpl<T>('**');
      params.add((
        index: index,
        name: segment.split(':').elementAtOrNull(1) ?? '_',
        optional: segment.length == 2,
      ));

      break;
    }

    // Param
    if (segment == '*' || segment.startsWith(':')) {
      final optional = segment == '*';

      node = node.param ??= NodeImpl<T>('*');
      params.add((
        index: index,
        name: optional
            ? '_${unmamedParamIndex++}'
            : _createParamsMatcher(segment),
        optional: optional
      ));

      continue;
    }

    // Static
    node = (node.static ??= {}).putIfAbsent(segment, () => NodeImpl(segment));
  }

  // Assign params and data to the node.
  (node.methods ??= {}).putIfAbsent(method, () => []).add(MethodData(
        data: data,
        params: params.isNotEmpty ? params : null,
      ));

  // All segments is static.
  if (params.isEmpty) {
    ctx.static[toSegmentsPath(segments)] = node;
  }
}