hyyfClient/src/utils/index.js

export function arrToIds(arr){
    var new_ids = '';
    for(var i = 0; i < arr.length; i++){
        new_ids += ','+arr[i].id;
    }

    if(new_ids!=''){
        new_ids =  new_ids.substr(1);
    }
    return new_ids;
}