Function applyCommandsInner

packages/fresh/src/commands.ts:222–378

(
  root: Segment<State>,
  router: Router<Middleware<State>>,
  commands: Command<State>[],
  basePath: string,
  onError?: (err: unknown) => void,
)

}

function applyCommandsInner<State>(
  root: Segment<State>,
  router: Router<Middleware<State>>,
  commands: Command<State>[],
  basePath: string,
  onError?: (err: unknown) => void,
) {
  for (let i = 0; i < commands.length; i++) {
    const cmd = commands[i];

    switch (cmd.type) {
      case CommandType.Middleware: {
        const segment = getOrCreateSegment(
          root,
          cmd.pattern,
          cmd.includeLastSegment,
        );
        segment.middlewares.push(...cmd.fns);
        break;
      }
      case CommandType.NotFound: {
        root.notFound = cmd.fn;
        break;
      }
      case CommandType.Error: {
        const segment = getOrCreateSegment(
          root,
          cmd.pattern,
          cmd.includeLastSegment,
        );
        segment.errorRoute = cmd.item;
        break;
      }
      case CommandType.App: {
        root.app = cmd.component;
        break;
      }
      case CommandType.Layout: {
        const segment = getOrCreateSegment(
          root,
          cmd.pattern,
          cmd.includeLastSegment,
        );
        segment.layout = {
          component: cmd.component,
          config: cmd.config ?? null,
        };
        break;
      }
      case CommandType.Route: {
        const { pattern, route, config } = cmd;
        const segment = getOrCreateSegment(
          root,
          pattern,
          cmd.includeLastSegment,
        );
        const fns = segmentToMiddlewares(segment);