RunTime Enviroment connect SCORM 2005 javascript

I need to implement communication for the sequence and navigation in SCORM 2004 courses in any of its editions, I have an angular project with a wrapper that runs SCORM courses, I manage to communicate and read the cmi variables of the course, but I cannot resume the course where it left off For the last time the student, I need a person with experience on the subject to help me implement this so that X student can resume the course from the point that was left the last time, I provide a repository to do the work