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var _includesWith = /*#__PURE__*/require('./internal/_includesWith');

var _curry2 = /*#__PURE__*/require('./internal/_curry2');

/**
 * Returns a new list containing only one copy of each element in the original
 * list, based upon the value returned by applying the supplied predicate to
 * two list elements. Prefers the first item if two items compare equal based
 * on the predicate.
 *
 * @func
 * @memberOf R
 * @since v0.2.0
 * @category List
 * @sig ((a, a) -> Boolean) -> [a] -> [a]
 * @param {Function} pred A predicate used to test whether two items are equal.
 * @param {Array} list The array to consider.
 * @return {Array} The list of unique items.
 * @example
 *
 *      const strEq = R.eqBy(String);
 *      R.uniqWith(strEq)([1, '1', 2, 1]); //=> [1, 2]
 *      R.uniqWith(strEq)([{}, {}]);       //=> [{}]
 *      R.uniqWith(strEq)([1, '1', 1]);    //=> [1]
 *      R.uniqWith(strEq)(['1', 1, 1]);    //=> ['1']
 */


var uniqWith = /*#__PURE__*/_curry2(function uniqWith(pred, list) {
  var idx = 0;
  var len = list.length;
  var result = [];
  var item;
  while (idx < len) {
    item = list[idx];
    if (!_includesWith(pred, item, result)) {
      result[result.length] = item;
    }
    idx += 1;
  }
  return result;
});
module.exports = uniqWith;