dist/bundle.js
/**
   * Make a map and return a function for checking if a key
   * is in that map.
   */
Make a map and return a function for checking if a key
is in that map.
Make a map and return a function for checking if a key is in that map .
function makeMap(str, expectsLowerCase) {
    var map = Object.create(null);
    var list = str.split(',');
    for (var i = 0; i < list.length; i++) {
      map[list[i]] = true;
    }
    return expectsLowerCase ? function (val) {
      return map[val.toLowerCase()];
    } : function (val) {
      return map[val];
    };
  }
function makeMap ( str , expectsLowerCase ) { var map = Object . create ( null ) ; var list = str . split ( ',' ) ; for ( var i = 0 ; i < list . length ; i ++ ) { map [ list [ i ] ] = true ; } return expectsLowerCase ? function ( val ) { return map [ val . toLowerCase ( ) ] ; } : function ( val ) { return map [ val ] ; } ; }
Make a map and return a function for checking if a key
 is in that map.
Make a map and return a function for checking if a key is in that map .