Function baseIntersection

test-app/public/sinon.js:13763–13814

* The base implementation of methods like `_.intersection`, without support * for iteratee shorthands, that accepts an array of arrays to inspect. * * @private * @param {Array} arrays The arrays to inspect. * @param {Function} [iteratee] The iteratee invo

(arrays, iteratee, comparator)

         * @returns {Array} Returns the new array of shared values.
         */
        function baseIntersection(arrays, iteratee, comparator) {
          var includes = comparator ? arrayIncludesWith : arrayIncludes,
              length = arrays[0].length,
              othLength = arrays.length,
              othIndex = othLength,
              caches = Array(othLength),
              maxLength = Infinity,
              result = [];
    
          while (othIndex--) {
            var array = arrays[othIndex];
            if (othIndex && iteratee) {
              array = arrayMap(array, baseUnary(iteratee));
            }
            maxLength = nativeMin(array.length, maxLength);
            caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
              ? new SetCache(othIndex && array)
              : undefined;
          }
          array = arrays[0];
    
          var index = -1,
              seen = caches[0];
    
          outer:
          while (++index < length && result.length < maxLength) {
            var value = array[index],
                computed = iteratee ? iteratee(value) : value;
    
            value = (comparator || value !== 0) ? value : 0;
            if (!(seen
                  ? cacheHas(seen, computed)
                  : includes(result, computed, comparator)
                )) {
              othIndex = othLength;
              while (--othIndex) {
                var cache = caches[othIndex];
                if (!(cache
                      ? cacheHas(cache, computed)
                      : includes(arrays[othIndex], computed, comparator))
                    ) {
                  continue outer;
                }
              }
              if (seen) {
                seen.push(computed);
              }
              result.push(value);
            }
          }
          return result;
        }
    
        /**
         * The base implementation of `_.invert` and `_.invertBy` which inverts