zcloud-ui/src/utils/types.js

A Component Library for Vue.js.

export function isString (obj) {
  return Object.prototype.toString.call(obj) === '[object String]';
}
  
export function isObject (obj) {
  return Object.prototype.toString.call(obj) === '[object Object]';
}
  
export function isHtmlElement (node) {
  return node && node.nodeType === Node.ELEMENT_NODE;
}
  
export const isFunction = (functionToCheck) => {
  var getType = {};
  return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
};
  
export const isUndefined = (val) => val === void 0;
  
export const isDefined = (val) => val !== undefined && val !== null;