function findCartItemByVariantId(variantId) {
    return cart.lineItems.filter(function (item) {
      return (item.variant_id === variantId);
    })[0];
  }
/* Find Cart Line Item By Variant Id
  ============================================================ */
Find Cart Line Item By Variant Id
Find Cart Line Item By Variant Id
function findCartItemByVariantId(variantId) {
    return cart.lineItems.filter(function (item) {
      return (item.variant_id === variantId);
    })[0];
  }
function findCartItemByVariantId ( variantId ) { return cart . lineItems . filter ( function ( item ) { return ( item . variant_id === variantId ) ; } ) [ 0 ] ; }
Find Cart Line Item By Variant Id
Find Cart Line Item By Variant Id