E-Commerce Product

const productSchema = new SchemaBuilder()
  .$id("https://example.com/schemas/product.json")
  .$defs({
    price: (s) =>
      s
        .object()
        .properties({
          amount: (s) => s.number().minimum(0),
          currency: (s) => s.string().pattern("^[A-Z]{3}$"),
        })
        .required(["amount", "currency"]),
    dimensions: (s) =>
      s
        .object()
        .properties({
          length: (s) => s.number().minimum(0),
          width: (s) => s.number().minimum(0),
          height: (s) => s.number().minimum(0),
          unit: (s) => s.string().enum(["cm", "in", "m"]),
        })
        .required(["length", "width", "height", "unit"]),
  })
  .object()
  .properties({
    id: (s) => s.string().pattern("^PROD-\\d{6}$"),
    name: (s) => s.string().minLength(3).maxLength(100),
    description: (s) => s.string().maxLength(1000),
    category: (s) =>
      s.string().enum(["electronics", "clothing", "food", "books"]),
    price: (s) => s.$ref("#/$defs/price"),
    stock: (s) => s.integer().minimum(0),
    dimensions: (s) => s.$ref("#/$defs/dimensions"),
    tags: (s) =>
      s
        .array()
        .items((s) => s.string())
        .minItems(1)
        .maxItems(10)
        .uniqueItems(true),
    availability: (s) =>
      s.string().enum(["in_stock", "out_of_stock", "preorder"]),
  })
  .required(["id", "name", "category", "price", "stock", "availability"])
  .if((s) =>
    s.object().properties({ category: (s) => s.const("electronics") }),
  )
  .then((s) =>
    s
      .object()
      .properties({
        warranty: (s) =>
          s
            .object()
            .properties({
              months: (s) => s.integer().minimum(0),
              type: (s) => s.string().enum(["limited", "full"]),
            })
            .required(["months", "type"]),
      })
      .required(["warranty"]),
  )
  .elseIf((s) =>
    s.object().properties({ category: (s) => s.const("clothing") }),
  )
  .then((s) =>
    s
      .object()
      .properties({
        sizes: (s) =>
          s
            .array()
            .items((s) => s.string().enum(["XS", "S", "M", "L", "XL", "XXL"]))
            .minItems(1),
        colors: (s) =>
          s
            .array()
            .items((s) => s.string())
            .minItems(1),
      })
      .required(["sizes", "colors"]),
  )
  .build();