// ignores case-sensitive
const getValue = value => (typeof value === 'string' ? value.toUpperCase() : value);

/**
 * Filters an array of objects (one level-depth) with multiple criteria.
 *
 * @param  {Array}  array: the array to filter
 * @param  {Object} filters: an object with the filter criteria
 * @return {Array}
 */
function filterPlainArray(array, filters) {
  const filterKeys = Object.keys(filters);
  return array.filter(item => {
    // validates all filter criteria
    return filterKeys.every(key => {
      // ignores an empty filter
      if (!filters[key].length) return true;
      return filters[key].find(filter => getValue(filter) === getValue(item[key]));
    });
  });
}