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• array-slice-simple.js

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package.internals.array-slice-simple.js Maven / Gradle / Ivy

'use strict';
var toAbsoluteIndex = require('../internals/to-absolute-index');
var lengthOfArrayLike = require('../internals/length-of-array-like');
var createProperty = require('../internals/create-property');

var $Array = Array;
var max = Math.max;

module.exports = function (O, start, end) {
  var length = lengthOfArrayLike(O);
  var k = toAbsoluteIndex(start, length);
  var fin = toAbsoluteIndex(end === undefined ? length : end, length);
  var result = $Array(max(fin - k, 0));
  var n = 0;
  for (; k < fin; k++, n++) createProperty(result, n, O[k]);
  result.length = n;
  return result;
};