git.r.bdr.sh - rbdr/dotfiles/blob

   1 'use strict';
   2
   3 var toPosInt = require('../number/to-pos-integer')
   4   , value    = require('../object/valid-value')
   5
   6   , slice = Array.prototype.slice;
   7
   8 module.exports = function (length/*, …fill*/) {
   9         var arr, l;
  10         length = toPosInt(value(length));
  11         if (length === 0) return [];
  12
  13         arr = (arguments.length < 2) ? [undefined] :
  14                         slice.call(arguments, 1, 1 + length);
  15
  16         while ((l = arr.length) < length) {
  17                 arr = arr.concat(arr.slice(0, length - l));
  18         }
  19         return arr;
  20 };