@arco-vue-pro-components/pro-components/es/_utils/is.js

基于@arco-design/web-vue组件的高级组件，包括pro-table

const opt = Object.prototype.toString;
function isArray(obj) {
  return opt.call(obj) === "[object Array]";
}
function isNull(obj) {
  return opt.call(obj) === "[object Null]";
}
function isObject(obj) {
  return opt.call(obj) === "[object Object]";
}
function isString(obj) {
  return opt.call(obj) === "[object String]";
}
function isNumber(obj) {
  return opt.call(obj) === "[object Number]" && obj === obj;
}
function isUndefined(obj) {
  return obj === void 0;
}
function isEmptyObject(obj) {
  return isObject(obj) && Object.keys(obj).length === 0;
}
export { isArray, isEmptyObject, isNull, isNumber, isObject, isString, isUndefined };