| import { once, on } from 'element-ui/src/utils/dom'; | |
| export default { | |
| bind(el, binding, vnode) { | |
| let interval = null; | |
| let startTime; | |
| const handler = () => vnode.context[binding.expression].apply(); | |
| const clear = () => { | |
| if (Date.now() - startTime < 100) { | |
| handler(); | |
| } | |
| clearInterval(interval); | |
| interval = null; | |
| }; | |
| on(el, 'mousedown', (e) => { | |
| if (e.button !== 0) return; | |
| startTime = Date.now(); | |
| once(document, 'mouseup', clear); | |
| clearInterval(interval); | |
| interval = setInterval(handler, 100); | |
| }); | |
| } | |
| }; | |