artdaq_node_server  v1_00_07
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chunk.js
1 var baseSlice = require('./_baseSlice'),
2  isIterateeCall = require('./_isIterateeCall'),
3  toInteger = require('./toInteger');
4 
5 /* Built-in method references for those with the same name as other `lodash` methods. */
6 var nativeCeil = Math.ceil,
7  nativeMax = Math.max;
8 
30 function chunk(array, size, guard) {
31  if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
32  size = 1;
33  } else {
34  size = nativeMax(toInteger(size), 0);
35  }
36  var length = array == null ? 0 : array.length;
37  if (!length || size < 1) {
38  return [];
39  }
40  var index = 0,
41  resIndex = 0,
42  result = Array(nativeCeil(length / size));
43 
44  while (index < length) {
45  result[resIndex++] = baseSlice(array, index, (index += size));
46  }
47  return result;
48 }
49 
50 module.exports = chunk;