Smithing table

common/inventory.ts

@@ -258,6 +258,12 @@ function right_click(container: Container, index: number, cursor: Cursor) {
 	slot.amount = half;
 }
 
+// whether take_output would take it
+export function can_take_output(item: ItemStack, cursor: Cursor): boolean {
+	const holding = cursor.item;
+	return !holding || (holding.type_id === item.type_id && holding.max_amount - holding.amount >= item.amount);
+}
+
 // output slots (furnace result, crafting result) can only be taken from, all at once
 // returns whether it was taken
 export function take_output(item: ItemStack, cursor: Cursor): boolean {