lib/stringify.js
function includeProperty (key, value, replacer) {
  return typeof value !== 'undefined'
      && typeof value !== 'function'
      && (!Array.isArray(replacer) || contains(replacer, key));
}
function includeProperty (key, value, replacer) {
  return typeof value !== 'undefined'
      && typeof value !== 'function'
      && (!Array.isArray(replacer) || contains(replacer, key));
}
function includeProperty ( key , value , replacer ) { return typeof value !== 'undefined' && typeof value !== 'function' && ( ! Array . isArray ( replacer ) || contains ( replacer , key ) ) ; }
Test whether to include a property in a stringified object or not.
@param {string} key
@param {*} value
@param {function(key: string, value: *) | Array<string | number>} [replacer]
@return {boolean}
Test whether to include a property in a stringified object or not .