@mightyplow/jslib/array/getDefinedValues.js

js helpers library

/**
 * Returns all values of an array, which are not undefined.
 *
 * @function
 * @memberOf array
 * @param {Array} ar
 * @return {Array}
 */
export default (function () {
  var ar = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  return ar.filter(function (item) {
    return item !== undefined;
  });
});