Function encodePacketToBinary

client-dist/socket.io.js:331–343

(packet, callback)

  }
  var TEXT_ENCODER;
  function encodePacketToBinary(packet, callback) {
    if (withNativeBlob$1 && packet.data instanceof Blob) {
      return packet.data.arrayBuffer().then(toArray).then(callback);
    } else if (withNativeArrayBuffer$2 && (packet.data instanceof ArrayBuffer || isView$1(packet.data))) {
      return callback(toArray(packet.data));
    }
    encodePacket(packet, false, function (encoded) {
      if (!TEXT_ENCODER) {
        TEXT_ENCODER = new TextEncoder();
      }
      callback(TEXT_ENCODER.encode(encoded));
    });
  }

  // imported from https://github.com/socketio/base64-arraybuffer
  var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';