Function baseWhile

test-app/public/sinon.js:14971–14981

* The base implementation of methods like `_.dropWhile` and `_.takeWhile` * without support for iteratee shorthands. * * @private * @param {Array} array The array to query. * @param {Function} predicate The function invoked per iteration. * @para

(array, predicate, isDrop, fromRight)

         * @returns {Array} Returns the slice of `array`.
         */
        function baseWhile(array, predicate, isDrop, fromRight) {
          var length = array.length,
              index = fromRight ? length : -1;
    
          while ((fromRight ? index-- : ++index < length) &&
            predicate(array[index], index, array)) {}
    
          return isDrop
            ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
            : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
        }
    
        /**
         * The base implementation of `wrapperValue` which returns the result of