prepare_payload.ts

const U = [
  "A",
  "B",
  "C",
  "D",
  "E",
  "F",
  "G",
  "H",
  "I",
  "J",
  "K",
  "L",
  "M",
  "N",
  "O",
  "P",
  "Q",
  "R",
  "S",
  "T",
  "U",
  "V",
  "W",
  "X",
  "Y",
  "Z",
  "a",
  "b",
  "c",
  "d",
  "e",
  "f",
  "g",
  "h",
  "i",
  "j",
  "k",
  "l",
  "m",
  "n",
  "o",
  "p",
  "q",
  "r",
  "s",
  "t",
  "u",
  "v",
  "w",
  "x",
  "y",
  "z",
  "0",
  "1",
  "2",
  "3",
  "4",
  "5",
  "6",
  "7",
  "8",
  "9",
  "-",
  "_",
  "."
];
let FP = U;

const OH = " parent component";
const VC = 32;
const t0 = [3, 6, 4, 11];

var result = prepare_payload(4, "B", 192, 4, "o2ck6g57qdba", '{"B":"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","S":891184}')
console.log(result)

function prepare_payload(_, Q, n, J, M, O) {
  var arg_2419_133 = g18(15, n, O);
  var arg_2419_152 = M.toString();
  var arg_2419_119 = B47(17, 17, arg_2419_133, arg_2419_152, OH);
  return k33(31, J, arg_2419_119, Q);
}

function k33(D, Q, n, J, M?, O?, x?, G?) {
  if (!((D - 1) % 10)) {
    x = J + g14(4, 6, n, Q);
  }

  return x;
}

function g14(D, Q, n, J, M?, O?, x?, G?, z?, T?, t?, l?, r?, U?, E?, N?, a?, v?, X?) {
  t = [];
  if (void 0 === J) {
    J = 0;
  }
  // L48(23, '', 0);
  U = FP;
  a = 0;
  for (; a < n.length; a += 3) {
    E = a + 2 < n.length;
    if (l = a + 1 < n.length) {
      N = n[a + 1];
    } else {
      N = 0;
    }
    M = n[a];
    if (E) {
      G = n[a + 2];
    } else {
      G = 0;
    }
    T = M >> 2;
    x = (N & 15) << 2 | G >> Q;
    z = (M & 3) << 4 | N >> 4;
    O = G & 63;
    if (!E) {
      O = 64;
      if (!l) {
        x = 64;
      }
    }
    t.push(U[T], U[z], U[x] || '', U[O] || '');
  }
  v = t.join('');

  return v;
}

//
// function L48(D, Q, n, J?, M?, O?, x?, G?, z?, T?, t?) {
//   T = [
//     6,
//     7,
//     11
//   ];
//   if (!FP) {
//     z = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'.split('');
//     FP = {};
//     M = [
//       '+/=',
//       '+/',
//       '-_=',
//       '-_.',
//       '-_'
//     ];
//     x = n;
//     for (; 5 > x; x++) {
//       var arg_3711_233 = M[x].split(Q);
//       G = z.concat(arg_3711_233);
//       YC[x] = G;
//       J = n;
//       for (; J < G.length; J++) {
//         O = G[J];
//         if (void 0 === FP[O]) {
//           FP[O] = J;
//         }
//       }
//     }
//   }
//
//   return t;
// }


function B47(D, Q, n, J, M, O?, x?, G?, z?) {
  z = [
    2,
    7,
    0
  ];
  // if (1 == (D - 7 & 11)) {
  //   G = 'g-recaptcha-response' + (n ? Q + n : '');
  // }
  // if (!((D ^ 804) % 7)) {
  //   J = [
  //     'waf',
  //     100000,
  //     null
  //   ];
  //   var arg_1116_71 = Q;
  //   this.S = new u$(arg_1116_71);
  //   M = window.___grecaptcha_cfg;
  //   this.id = this.S.get(b$) ? 100000 + M.isolated_count++ : M.count++;
  //   this.Yo = this.yv = n;
  //   if (this.S.has(WV)) {
  //     var arg_1118_34 = this.S.get(WV);
  //     O = p[13](4, 1, arg_1118_34);
  //     if (!O) {
  //       throw Error('The bind parameter must be an element or id');
  //     }
  //     this.Yo = O;
  //   }
  //   this.I = null;
  //   this.G = 0;
  //   this.B = null;
  //   this.D = p[38](14);
  //   k[15](2, 'waf', true, this, 1);
  // }
  // if (!(D >> 2 & 15)) {
  //   G = document;
  // }
  if (!((D - 5) % 12)) {
    x = m13(10, Q, 255, J + M, VC);

    function arg_1123_112(T, t) {
      var var_1124_19 = x[t % x.length];
      return var_1124_19;
    }

    O = n.map(arg_1123_112);
    G = L14(17, 0, n, O);
  }
  return G;
}

function L14(D, Q, n, J, M?, O?, x?, G?, z?) {
  O = Q;
  z = [];
  for (; O < n.length; O++) {
    z.push(n[O] ^ J[O]);
  }
  return z;
}

function g18(D, Q, n?, J?, M?, O?, x?, G?, z?, T?) {
  z = [
    128,
    2,
    18
  ];
  // if (!((D + 5) % 8)) {
  //   n = Q.zq;
  //   M = Q.Bb;
  //   J = [
  //     '</div>',
  //     'rc-anchor-invisible-hover',
  //     1
  //   ];
  //   O = Q.dW;
  //   T = c('<div class="' + g[1](18, 'rc-anchor') + ' ' + g[1](50, 'rc-anchor-invisible') + ' ' + g[1](18, O) + '  ' + (M == 1 || M == 2 ? g[1](66, 'rc-anchor-invisible-hover') : g[1](18, 'rc-anchor-invisible-nohover')) + '">' + k[42](13, Q.eW) + k[26](9) + (M == 1 != n ? B[23](7, '8.0', '</div>', Q) + B[6](1, '</div>', ' ', Q) : B[6](2, '</div>', ' ', Q) + B[23](9, '8.0', '</div>', Q)) + '</div>');
  // }
  if (!((D | 8) % 5)) {
    x = [];
    J = [
      240,
      1023,
      64512
    ];
    M = O = 0;
    for (; O < n.length; O++) {
      G = n.charCodeAt(O);
      if (G < 128) {
        x[M++] = G;
      } else {
        if (2048 > G) {
          x[M++] = G >> 6 | Q;
        } else {
          if (55296 == (G & 64512) && O + 1 < n.length && 56320 == (n.charCodeAt(O + 1) & 64512)) {
            G = 65536 + ((G & 1023) << 10) + (n.charCodeAt(++O) & 1023);
            x[M++] = G >> 18 | 240;
            x[M++] = G >> 12 & 63 | 128;
          } else {
            x[M++] = G >> 12 | 224;
          }
          x[M++] = G >> 6 & 63 | 128;
        }
        x[M++] = G & 63 | 128;
      }
    }
    T = x;
  }
  return T;
}

function m13(D, Q, n, J, M, O?, x?, G?, z?, T?, t?) {
  t = [
    8,
    2,
    1
  ];
  // if (!((D - 1) % 13 || k[32](24, '', this))) {
  //   this.M().value = this.I;
  // }

  if (void 0 === M) {
    M = 4;
  } else {
    M = M;
  }
  x = 0;
  G = 0;
  z = [];
  for (; G <= J.length / 12; G++) {
    var arg_1984_183 = Math.min((G + 1) * 12, J.length);
    var arg_1984_162 = J.slice(G * 12, arg_1984_183);
    x = g20(19, 0, 5, 1, 3, arg_1984_162, x);
    var arg_1984_271 = [
      n & x >> 24,
      n & x >> 16,
      n & x >> 8,
      n & x
    ];
    var arg_1984_256 = new Uint8Array(arg_1984_271);
    var arg_1984_246 = k17(30, arg_1984_256);
    z.push.apply(z, arg_1984_246);
  }
  var arg_1985_34 = B27(48, 25, 11, x, Q);
  T = L3(8, 0, arg_1985_34, z).slice(0, M);

  return T;
}

function L3(D, Q, n, J, M?, O?, x?, G?, z?) {
  if (!((D + 4) % 6)) {
    M = Q;
    for (; M < J.length; M++) {
      x = M + Math.floor(n() * (J.length - M));
      var arg_3217_96 = [
        J[x],
        J[M]
      ];
      O = p12(3, arg_3217_96);
      J[M] = O.next().value;
      J[x] = O.next().value;
    }
    G = J;
  }

  return G;
}


function g20(D, Q, n, J, M, O, x, G?, z?, T?, t?, l?, r?, U?) {
  if (!((D - 5) % 14)) {
    G = (void 0 === x ? 0 : x) % t0.length;
    T = t0.slice();
    l = g17(22);
    var arg_292_106 = k17(32, O);
    z = [].concat(arg_292_106);
    t = Q;
    for (; t < z.length; t++) {
      T[G] = ((T[G] << n ^ Math.pow(l.call(z[t], Q) - t0[G], M)) + (T[G] >> M)) / t0[G] | Q;
      G = (G + J) % t0.length;
    }

    function arg_294_32(E, N) {
      var var_295_19 = E ^ N;
      return var_295_19;
    }

    var arg_294_23 = T.reduce(arg_294_32, Q);
    U = Math.abs(arg_294_23);
  }

  return U;
}

function g17(D, Q?, n?, J?, M?) {
  if (!((D ^ 314) % 5)) {
    J = 'a-'.charCodeAt;
  }

  return J;
}

function k17(D, Q, n?, J?, M?, O?, x?, G?, z?, T?) {

  if (Q instanceof Array) {
    O = Q;
  } else {
    M = p12(51, Q);
    n = [];
    for (; !(J = M.next()).done;) {
      n.push(J.value);
    }
    O = n;
  }
  T = O;


  return T;
}

function p12(_, Q: any[], n?, J?, M?) {
  if (n = 'undefined' != typeof Symbol && Symbol.iterator && Q[Symbol.iterator]) {
    M = n.call(Q);
  }/* else {
    M = { next: B[49](27, 0, Q) };
  }*/

  return M;
}

function B27(D, Q, n, J, M, O?, x?, G?, z?, T?, t?) {
  if (!((D >> 1) % 12)) {
    O = J;
    t = function () {
      O = (n * O + M) % Q;
      var var_907_40 = O / Q;
      return var_907_40;
    };
  }

  return t;
}