Function baseDifference

test-app/public/sinon.js:13395–13438

* The base implementation of methods like `_.difference` without support * for excluding multiple arrays or iteratee shorthands. * * @private * @param {Array} array The array to inspect. * @param {Array} values The values to exclude. * @param {Fu

(array, values, iteratee, comparator)

         * @returns {Array} Returns the new array of filtered values.
         */
        function baseDifference(array, values, iteratee, comparator) {
          var index = -1,
              includes = arrayIncludes,
              isCommon = true,
              length = array.length,
              result = [],
              valuesLength = values.length;
    
          if (!length) {
            return result;
          }
          if (iteratee) {
            values = arrayMap(values, baseUnary(iteratee));
          }
          if (comparator) {
            includes = arrayIncludesWith;
            isCommon = false;
          }
          else if (values.length >= LARGE_ARRAY_SIZE) {
            includes = cacheHas;
            isCommon = false;
            values = new SetCache(values);
          }
          outer:
          while (++index < length) {
            var value = array[index],
                computed = iteratee == null ? value : iteratee(value);
    
            value = (comparator || value !== 0) ? value : 0;
            if (isCommon && computed === computed) {
              var valuesIndex = valuesLength;
              while (valuesIndex--) {
                if (values[valuesIndex] === computed) {
                  continue outer;
                }
              }
              result.push(value);
            }
            else if (!includes(values, computed, comparator)) {
              result.push(value);
            }
          }
          return result;
        }
    
        /**
         * The base implementation of `_.forEach` without support for iteratee shorthands.