vxe-table-select-area/packages/select-area/utils/mouse-event.js

一个基于 vxe-table 的可区域选中复制、粘贴的组件

/* eslint-disable eqeqeq */
import { MOUSE_EVENT_CLICK_TYPE } from './constant'

/*
get mouse event key type by mousedown\mouseup\... event
*/
export function getMouseEventClickType (event) {
  let result = null

  if (!event) {
    return result
  }

  const button =
        typeof event.which !== 'undefined' ? event.which : event.button
  if (button == 1) {
    result = MOUSE_EVENT_CLICK_TYPE.LEFT_MOUSE
  } else if (button == 2) {
    result = MOUSE_EVENT_CLICK_TYPE.MIDDLE_MOUSE
  } else if (button == 3) {
    result = MOUSE_EVENT_CLICK_TYPE.RIGHT_MOUSE
  }

  return result
}