How to automate angular-drag-and-drop-lists

Question

Problem : trying to simulate drag drop in frontend that uses angular-drag-and-drop-lists (go to detailed description)

Tried :

Answer 1

Custom event needed to adjusted like this :

  function createCustomEvent(type) {
 var event = new CustomEvent("CustomEvent", {"cancelable": true})
    event.initCustomEvent(type, true, true, null);
    event.dataTransfer = {
        data: {
        },
        setData: function(type,val) {
            this.data[type] = val
            this.types[0] = type
        }
        getData: function(type) {
            return this.data[type]
        },
        dropEffect: 'move',
        effectAllowed:'move',
        types: [],
        items: {},
        files:{}

    }

    return event
}

in native js drag drop script and then it works fine