linuxcommandgitbook/node_modules/lodash/internal/baseSlice.js

/**
 * The base implementation of `_.slice` without an iteratee call guard.
 *
 * @private
 * @param {Array} array The array to slice.
 * @param {number} [start=0] The start position.
 * @param {number} [end=array.length] The end position.
 * @returns {Array} Returns the slice of `array`.
 */
function baseSlice(array, start, end) {
  var index = -1,
      length = array.length;

  start = start == null ? 0 : (+start || 0);
  if (start < 0) {
    start = -start > length ? 0 : (length + start);
  }
  end = (end === undefined || end > length) ? length : (+end || 0);
  if (end < 0) {
    end += length;
  }
  length = start > end ? 0 : ((end - start) >>> 0);
  start >>>= 0;

  var result = Array(length);
  while (++index < length) {
    result[index] = array[index + start];
  }
  return result;
}

module.exports = baseSlice;