minecraft-assets/data/minecraft/recipes/spectral_arrow.json

{
  "type": "minecraft:crafting_shaped",
  "category": "equipment",
  "key": {
    "#": {
      "item": "minecraft:glowstone_dust"
    },
    "X": {
      "item": "minecraft:arrow"
    }
  },
  "pattern": [
    " # ",
    "#X#",
    " # "
  ],
  "result": {
    "count": 2,
    "item": "minecraft:spectral_arrow"
  }
}