Loot Table Builder

{
  "name": "dungeon-chest",
  "rolls": "2-4",
  "items": [
    {
      "name": "Gold Coin",
      "weight": 50,
      "probability": "50.0%",
      "quantity": {
        "min": 5,
        "max": 20
      }
    },
    {
      "name": "Health Potion",
      "weight": 30,
      "probability": "30.0%",
      "quantity": {
        "min": 1,
        "max": 3
      }
    },
    {
      "name": "Iron Sword",
      "weight": 15,
      "probability": "15.0%",
      "quantity": {
        "min": 1,
        "max": 1
      }
    },
    {
      "name": "Rare Gem",
      "weight": 4,
      "probability": "4.0%",
      "quantity": {
        "min": 1,
        "max": 1
      }
    },
    {
      "name": "Legendary Amulet",
      "weight": 1,
      "probability": "1.0%",
      "quantity": {
        "min": 1,
        "max": 1
      }
    }
  ]
}

// TypeScript drop function:
function rollLoot(table: typeof lootTable): string[] {
  const results: string[] = [];
  const rolls = rollRange(table.rolls); // e.g. "2-4" → random int 2-4
  for (let i = 0; i < rolls; i++) {
    let r = Math.random() * 100;
    for (const item of table.items) {
      r -= item.weight;
      if (r <= 0) { results.push(item.name); break; }
    }
  }
  return results;
}