@tamara-solution/checkout/src/helpers/type.js

Script will be embedded in merchant's site to checkout. The merchant's don't need to redirect to tamara's site.

const toString = Object.prototype.toString

function isFunction(obj) {
  return typeof obj === 'function'
}

function isObject(obj) {
  return typeof obj === 'object' && obj === Object(obj)
}

function isArray(obj) {
  return toString.call(obj) == '[object Array]'
}

function getType(variable) {
  if (typeof variable === 'object' && Array.isArray(variable)) {
    return 'array'
  }

  return typeof variable
}

export { getType, isFunction, isObject, isArray }