import wixData from 'wix-data';
import wixLocation from 'wix-location';

$w.onReady(function () {

 // TODO: write your page related code here...
    updateGallery() 
});

function updateGallery  () {
wixData.query("Blog/Posts").descending("lastPublishedDate").find().then(async (res) => {

 if (res) {

 let info = [];
            res.items.map(async (elem) => {

 if (elem["coverImageDisplayed"]) {

 info.push({ "type": "image", "src": elem["coverImage"], "alt": elem["title"], "title": elem["title"], "description": elem["excerpt"], "link": elem["postPageUrl"] })

                }
            })

            $w("#gallery1").clickAction = "link";

            $w("#gallery1").items = await info.slice(0, 5); // AMOUNT OF SLIDE

        } else {

            $w("#gallery1").collapse()
        }
    })
}

Have fun!