datatable.directory/resources/assets/js/udash.js

// subset of used lodash modules

export { default as each } from 'lodash/each'
export { default as isUndefined } from 'lodash/isUndefined'
export { default as merge } from 'lodash/merge'
export { default as unset } from 'lodash/unset'
export { default as isEmpty } from 'lodash/isEmpty'

function isDefined(x) {
  return typeof(x) !== 'undefined';
}
export { isDefined }