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

   1 'use strict';
   2
   3 var toInteger = require('../../../number/to-integer')
   4   , value     = require('../../../object/valid-value')
   5
   6   , min = Math.min, max = Math.max;
   7
   8 module.exports = function (searchString/*, endPosition*/) {
   9         var self, start, endPos;
  10         self = String(value(this));
  11         searchString = String(searchString);
  12         endPos = arguments[1];
  13         start = ((endPos == null) ? self.length :
  14                         min(max(toInteger(endPos), 0), self.length)) - searchString.length;
  15         return (start < 0) ? false : (self.indexOf(searchString, start) === start);
  16 };