swagger-ui/lib/shred.bundle.js
function(event) {
        var emitter = request.emitter;
        var textStatus = STATUS_CODES[response.status] ? STATUS_CODES[response.status].toLowerCase() : null;
        if (emitter.listeners(response.status).length > 0 || emitter.listeners(textStatus).length > 0) {
          emitter.emit(response.status, response);
          emitter.emit(textStatus, response);
        } else {
          if (emitter.listeners(event).length>0) {
            emitter.emit(event, response);
          } else if (!response.isRedirect) {
            emitter.emit("response", response);
            //console.warn("Request has no event listener for status code " + response.status);
          }
        }
      }
function(event) {
        var emitter = request.emitter;
        var textStatus = STATUS_CODES[response.status] ? STATUS_CODES[response.status].toLowerCase() : null;
        if (emitter.listeners(response.status).length > 0 || emitter.listeners(textStatus).length > 0) {
          emitter.emit(response.status, response);
          emitter.emit(textStatus, response);
        } else {
          if (emitter.listeners(event).length>0) {
            emitter.emit(event, response);
          } else if (!response.isRedirect) {
            emitter.emit("response", response);
            //console.warn("Request has no event listener for status code " + response.status);
          }
        }
      }
Set up some event magic. The precedence is given first to status-specific handlers, then to responses for a given event, and then finally to the more general `response` handler. In the last case, we need to first make sure we're not dealing with a a redirect.