getCheckUnique.js

function getList(idxSoul,cb){
    let listOfSouls = {}
    let soulsToCheckAgainstUnique = []
    gun.get(idxSoul).once(function(data){
        if(data === undefined){cb.call(cb,listOfSouls); return}//for loop would error if not stopped
        for (const soul in data) {
            if(soul === '_')continue
            if(data[soul] !== null){//not Deleted
                //this means `false` will pass through, so archived items will still keep increment and unique values enforced
                soulsToCheckAgainstUnique.push(soul)
            }
        }
        let toGet = soulsToCheckAgainstUnique.length
        for (const soul of soulsToCheckAgainstUnique) {
            gun.get(soul).once(function(node){
                toGet--
                let clean = JSON.parse(JSON.stringify(node))
                delete clean['_'] //get rid of gun meta data
                listOfSouls[souls] = clean
                if(!toGet){
                    cb.call(cb,listOfSouls)
                }
            })
        }
    })
}
//now we call it, and 'list' should be all nodes
getList(idxSoul,function(list){
    list = list
    for (const soul in list) {
        const node = list[soul];
        //validate here
    }
})