func wrapEventFunction()

in funcframework/framework.go [210:233]

• 22 lines of code
• 6 McCabe index (conditional complexity)

func wrapEventFunction(fn interface{}) (http.Handler, error) {
	err := validateEventFunction(fn)
	if err != nil {
		return nil, err
	}
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if os.Getenv("K_SERVICE") != "" {
			// Force flush of logs after every function trigger when running on GCF.
			defer fmt.Println()
			defer fmt.Fprintln(os.Stderr)
		}
		r, cancel := setupRequestContext(r)
		if cancel != nil {
			defer cancel()
		}
		if shouldConvertCloudEventToBackgroundRequest(r) {
			if err := convertCloudEventToBackgroundRequest(r); err != nil {
				writeHTTPErrorResponse(w, http.StatusBadRequest, crashStatus, fmt.Sprintf("error converting CloudEvent to Background Event: %v", err))
			}
		}

		handleEventFunction(w, r, fn)
	}), nil
}