vue-hooks-plus/es/useRequest/utils/index.js

Vue hooks library

const isObject = (value) => value !== null && typeof value === "object";
const isFunction = (value) => typeof value === "function";
const isString = (value) => typeof value === "string";
const isBoolean = (value) => typeof value === "boolean";
const isNumber = (value) => typeof value === "number";
const isUndef = (value) => typeof value === "undefined";
export {
  isBoolean,
  isFunction,
  isNumber,
  isObject,
  isString,
  isUndef
};