time-to-botec

Benchmark sampling in different programming languages
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slice.js (1032B)


      1 var baseSlice = require('./_baseSlice'),
      2     isIterateeCall = require('./_isIterateeCall'),
      3     toInteger = require('./toInteger');
      4 
      5 /**
      6  * Creates a slice of `array` from `start` up to, but not including, `end`.
      7  *
      8  * **Note:** This method is used instead of
      9  * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
     10  * returned.
     11  *
     12  * @static
     13  * @memberOf _
     14  * @since 3.0.0
     15  * @category Array
     16  * @param {Array} array The array to slice.
     17  * @param {number} [start=0] The start position.
     18  * @param {number} [end=array.length] The end position.
     19  * @returns {Array} Returns the slice of `array`.
     20  */
     21 function slice(array, start, end) {
     22   var length = array == null ? 0 : array.length;
     23   if (!length) {
     24     return [];
     25   }
     26   if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
     27     start = 0;
     28     end = length;
     29   }
     30   else {
     31     start = start == null ? 0 : toInteger(start);
     32     end = end === undefined ? length : toInteger(end);
     33   }
     34   return baseSlice(array, start, end);
     35 }
     36 
     37 module.exports = slice;