modules/lifestreetBidAdapter.js
function(bid) {
    return !!(bid.params.slot && bid.params.adkey && bid.params.ad_size);
  }
function(bid) {
    return !!(bid.params.slot && bid.params.adkey && bid.params.ad_size);
  }
function ( bid ) { return ! ! ( bid . params . slot && bid . params . adkey && bid . params . ad_size ) ; }
Lifestreet supports banner and video media types 
Determines whether or not the given bid request is valid.

@param {BidRequest} bid The bid params to validate.
@return boolean True if this is a valid bid, and false otherwise.
Lifestreet supports banner and video media types Determines whether or not the given bid request is valid .