in angular/src/app/stage/item-list/item-list.component.ts [148:157]
processItems(items: any[]) {
this.entityHeaders = [];
items.forEach((entity) => {
Object.getOwnPropertyNames(entity).forEach((propertyName) => {
if (this.entityHeaders.findIndex((p) => p === propertyName) === -1) {
this.entityHeaders.push(propertyName);
}
})
});
}