modules/express.js
function pickAdUnits(gptSlots) {
      var adUnits = [];
      // traverse backwards (since gptSlots is mutated) to find adUnits in cache and remove non-mapped slots
      for (var i = gptSlots.length - 1; i > -1; i--) {
        const gptSlot = gptSlots[i];
        const elemId = gptSlot.getSlotElementId();
        const adUnit = adUnitsCache[elemId];

        if (adUnit) {
          gptSlotCache[elemId] = gptSlot; // store by elementId
          adUnit.sizes = adUnit.sizes || mapGptSlotSizes(gptSlot.getSizes());
          adUnits.push(adUnit);
          gptSlots.splice(i, 1);
        }
      }

      return adUnits;
    }
function pickAdUnits(gptSlots) {
      var adUnits = [];
      // traverse backwards (since gptSlots is mutated) to find adUnits in cache and remove non-mapped slots
      for (var i = gptSlots.length - 1; i > -1; i--) {
        const gptSlot = gptSlots[i];
        const elemId = gptSlot.getSlotElementId();
        const adUnit = adUnitsCache[elemId];

        if (adUnit) {
          gptSlotCache[elemId] = gptSlot; // store by elementId
          adUnit.sizes = adUnit.sizes || mapGptSlotSizes(gptSlot.getSizes());
          adUnits.push(adUnit);
          gptSlots.splice(i, 1);
        }
      }

      return adUnits;
    }
function pickAdUnits ( gptSlots ) { var adUnits = [ ] ; // traverse backwards (since gptSlots is mutated) to find adUnits in cache and remove non-mapped slots for ( var i = gptSlots . length - 1 ; i > - 1 ; i -- ) { const gptSlot = gptSlots [ i ] ; const elemId = gptSlot . getSlotElementId ( ) ; const adUnit = adUnitsCache [ elemId ] ; if ( adUnit ) { gptSlotCache [ elemId ] = gptSlot ; // store by elementId adUnit . sizes = adUnit . sizes || mapGptSlotSizes ( gptSlot . getSizes ( ) ) ; adUnits . push ( adUnit ) ; gptSlots . splice ( i , 1 ) ; } } return adUnits ; }
maps gpt slots to adUnits, matches are copied to new array and removed from passed array.
maps gpt slots to adUnits matches are copied to new array and removed from passed array .