// priority: 0

onEvent("recipes", event => {
  // For every stonecutting recipe that uses cobbled deepslate,
  // add a recipe that can use regular deepslate as well.
  event.forEachRecipe({ input: "minecraft:cobbled_deepslate",
                        type: "minecraft:stonecutting" }, recipe => {
    let output = recipe.outputItems[0].getId();
    event.stonecutting(output, "minecraft:deepslate");
  });
});