Posta kutusu adreslerinde kurye seçeneklerini gizleme

api_version = "2026-10"

[[extensions]]
name = "Hide delivery options for PO boxes"
handle = "hide-delivery-po-boxes"
type = "function"

  [[extensions.targeting]]
  target = "cart.delivery-options.transform.run"
  input_query = "src/cart_delivery_options_transform_run.graphql"
  export = "cart-delivery-options-transform-run"

  [extensions.build]
  command = ""
  path = "dist/function.wasm"

query CartDeliveryOptionsTransformRunInput {
  cart {
    deliveryGroups {
      deliveryAddress {
        address1
        address2
      }
      deliveryOptions {
        handle
        title
      }
    }
  }
  deliveryCustomization {
    metafield(namespace: "$app", key: "function-configuration") {
      jsonValue
    }
  }
}

// @ts-check

/**
 * @typedef {import("../generated/api").CartDeliveryOptionsTransformRunInput} CartDeliveryOptionsTransformRunInput
 * @typedef {import("../generated/api").CartDeliveryOptionsTransformRunResult} CartDeliveryOptionsTransformRunResult
 */

/** Settings stored as JSON in the customization's metafield. */
const DEFAULT_CONFIG = {
  // Couriers that don't deliver to PO boxes, matched case-insensitively anywhere in the option title.
  optionTitles: ["UPS", "FedEx", "DHL", "Express", "Courier"],
};

/**
 * "PO box" spellings anywhere in the line, after a space or punctuation:
 * "P.O. Box", "PO Box", "Post Office Box", "Postfach", Turkish "Posta Kutusu"
 * and "PK" followed by a number ("Kadıköy PK 34"). The leading boundary keeps
 * words such as "Spk" or "Park" from matching.
 */
const PO_BOX =
  /(?:^|[^\p{L}\p{N}])(?:p\.?\s*o\.?\s*box|post\s*office\s*box|post\s*box|postfach|posta\s*kutusu|p\.?\s*k\.?\s*\d)/iu;

/** @param {string | null | undefined} line */
const isPoBox = (line) => PO_BOX.test(line ?? "");

/**
 * @param {CartDeliveryOptionsTransformRunInput} input
 * @returns {CartDeliveryOptionsTransformRunResult}
 */
export function cartDeliveryOptionsTransformRun(input) {
  const config = { ...DEFAULT_CONFIG, ...input.deliveryCustomization?.metafield?.jsonValue };
  const titles = config.optionTitles.map((title) => title.toLowerCase());

  const operations = input.cart.deliveryGroups
    .filter((group) => isPoBox(group.deliveryAddress?.address1) || isPoBox(group.deliveryAddress?.address2))
    .flatMap((group) => group.deliveryOptions)
    .filter((option) => titles.some((title) => (option.title ?? "").toLowerCase().includes(title)))
    .map((option) => ({ deliveryOptionHide: { deliveryOptionHandle: option.handle } }));

  return { operations };
}