function runShow()

in share/server/render.js [237:276]

• 36 lines of code
• 16 McCabe index (conditional complexity)

  function runShow(fun, ddoc, args) {
    try {
      resetList();
      Mime.resetProvides();
      var resp = fun.apply(ddoc, args) || {};
      resp = maybeWrapResponse(resp);

      // handle list() style API
      if (chunks.length && chunks.length > 0) {
        resp.headers = resp.headers || {};
        for(var header in startResp) {
          resp.headers[header] = startResp[header];
        }
        resp.body = chunks.join("") + (resp.body || "");
        resetList();
      }

      if (Mime.providesUsed()) {
        var provided_resp = Mime.runProvides(args[1], ddoc) || {};
        provided_resp = maybeWrapResponse(provided_resp);
        resp.body = (resp.body || "") + chunks.join("");
        resp.body += provided_resp.body || "";
        resp = applyContentType(resp, Mime.responseContentType());
        resetList();
      }

      var type = typeOf(resp);
      if (type == 'object' || type == 'string') {
        respond(["resp", maybeWrapResponse(resp)]);
      } else {
        throw(["error", "render_error", "undefined response from show function"]);      
      }
    } catch(e) {
      if (args[0] === null && isDocRequestPath(args[1])) {
        throw(["error", "not_found", "document not found"]);
      } else {
        renderError(e, fun.toString());
      }
    }
  };