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

   1 // Taken from: https://github.com/paulmillr/es6-shim/
   2
   3 'use strict';
   4
   5 var toInteger  = require('../../../number/to-integer')
   6   , toPosInt   = require('../../../number/to-pos-integer')
   7   , validValue = require('../../../object/valid-value')
   8
   9   , max = Math.max, min = Math.min;
  10
  11 module.exports = function (value/*, start, end*/) {
  12         var o = validValue(this), start = arguments[1], end = arguments[2]
  13           , l = toPosInt(o.length), relativeStart, i;
  14
  15         start = (start === undefined) ? 0 : toInteger(start);
  16         end = (end === undefined) ? l : toInteger(end);
  17
  18         relativeStart = start < 0 ? max(l + start, 0) : min(start, l);
  19         for (i = relativeStart; i < l && i < end; ++i) o[i] = value;
  20         return o;
  21 };