you can try something like this or use map function there is a lot of ways
let obj = {
"categories":
{
"Asset Type": ["appliances", "electronics"],
"Asset Availability": ["in stock"]
}
}
let categories=[];
Object.keys(obj.categories).forEach(key=>{
categories.push({"name":key,"value":obj.categories[key]});
});
console.log(categories);