Smithing+

This simple but useful data pack allows you to smith something like an iron sword + diamond for a diamond sword or a wooden sword for a stone sword. It is my first data pack so it is simple.
Here are the recipes if you cannot see the images:

Wooden Sword + Cobblestone = Stone Sword
Wooden Pickaxe + Cobblestone = Stone Pickaxe
Wooden Axe + Cobblestone = Stone Axe
Wooden Shovel + Cobblestone = Stone Shovel
Wooden Hoe + Cobblestone = Stone Hoe

Stone Sword + Iron Ingot = Iron Sword
Stone Pickaxe + Iron Ingot = Iron Pickaxe
Stone Axe + Iron Ingot = Iron Axe
Stone Shovel + Iron Ingot = Iron Shovel
Stone Hoe + Iron Ingot = Iron Hoe

Iron Sword + Diamond = Diamond Sword
Iron Pickaxe + Diamond = Diamond Pickaxe
Iron Axe + Diamond = Diamond Axe
Iron Shovel + Diamond = Diamond Shovel
Iron Hoe + Diamond = Diamond Hoe

Leather Helmet + Chains = Chain Helmet
Leather Chestplate + Chains = Chain Chestplate
Leather Pants + Chains = Chain Leggings
Leather Boots + Chains = Chain Boots

Chain Helmet + Iron Ingot = Iron Helmet
Chain Chestplate + Iron Ingot = Iron Chestplate
Chain Leggings + Iron Ingot = Iron Leggings
Chain Boots + Iron Ingot = Iron Boots

Iron Helmet + Diamond = Diamond Helmet
Iron Chestplate + Diamond = Diamond Chestplate
Iron Leggings + Diamond = Diamond Leggings
Iron Boots + Diamond = Diamond Boots

Recipes:
The Axe Recipe Image For Some Reason Doesn't Upload. The recipe is iron axe + diamond = diamond axe