simple-utils-js/src/function/typeFn.js

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/**
 * @description: 类型判断
 * @param {*}
 * @return {*}
 */
let typeFn = {}
const curring = (fn, arr = []) => {
  let len = fn.length
  return (...args) => {
    arr = arr.concat(args)
    if (arr.length < len) {
      return curring(fn, arr)
    }
    return fn(...arr)
  }
}

function isType(type, content) {
  return Object.prototype.toString.call(content) === `[object ${type}]`
}
;['String', 'Number', 'Boolean', 'Null', 'Array', 'Object', 'Function'].forEach(type => {
  typeFn['is' + type] = curring(isType)(type)
})

module.exports = typeFn