{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "priced-line-items",
  "type": "registry:lib",
  "title": "Line-item arithmetic",
  "description": "Sample-owned row multiplication and subtotal arithmetic used by the priced document blocks.",
  "dependencies": [
    "@paradoc/types@^0.6.0"
  ],
  "registryDependencies": [],
  "files": [
    {
      "path": "artifacts/paradoc/line-items.ts",
      "type": "registry:file",
      "target": "artifacts/paradoc/line-items.ts",
      "content": "import type { Money } from \"@paradoc/types\";\n\n/**\n * Line-item arithmetic.\n *\n * Multiplies each row out. The subtotal, tax, and total are the artifact's own\n * defs, which sum these amounts with `sum(fields.lineItems.amount)`.\n */\n\n/** One priced row of the proposal, before its amount is computed. */\nexport interface LineItemInput {\n  description: string;\n  quantity: number;\n  unit: string;\n  unitPrice: Money;\n}\n\n/** One priced row with its computed amount. */\nexport interface LineItem extends LineItemInput {\n  amount: Money;\n}\n\nfunction round(amount: number): number {\n  return Math.round(amount * 100) / 100;\n}\n\n/** Multiplies every row out and returns the rows with their amounts. */\nexport function computeLineAmounts(\n  items: readonly LineItemInput[],\n  currency: string\n): { lineItems: LineItem[] } {\n  const lineItems = items.map((item) => ({\n    ...item,\n    amount: { amount: round(item.quantity * item.unitPrice.amount), currency },\n  }));\n  return { lineItems };\n}\n"
    }
  ]
}