fix: avoid iOS page redirection on drag end (#84)

Author: hesamurai

src/main.ts

@@ -208,7 +208,6 @@ class NestedSort {
   onDragStart(e: DragEvent): void {
     this.draggedNode = e.target as HTMLElement
     this.draggedNode.classList.add(this.classNames.dragged)
-    e.dataTransfer?.setData('text', 'Drag started!') // Hack for Firefox!
   }
 
   onDragOver(e: DragEvent): void {

test/main.test.js

@@ -215,19 +215,6 @@ describe('NestedSort', () => {
 
         expect(ns.draggedNode).toEqual(item)
       })
-
-      it('runs the event dataTransfer.setDate method', () => {
-        initDataDrivenList()
-        const item = document.querySelector('[data-id="1"]')
-        const setData = jest.fn()
-        item.dispatchEvent(
-          createEvent('dragstart', {
-            dataTransfer: { setData }
-          })
-        )
-
-        expect(setData).toHaveBeenCalledTimes(1)
-      })
     })
 
     describe('dragenter event', () => {