copy_compass.json

{
  "type": "minecraft:crafting_shapeless",
  "ingredients": [
    {
			"item": "minecraft:compass",
			"remainder": {
				"item": "minecraft:compass",
				"data": {
          "LodestonePos": "",
					"$": "$ i0"
				}
			}
		},
    {
      "item": "minecraft:compass",
      "data": {
        "deny": {
          "LodestonePos": ""
        }
      }
    }
  ],
  "result": {
    "item": "minecraft:compass",
    "data": {
			"$": "$ i0"
		}
  }
}