@jsprismarine/prismarine/dist/network/CompressionProvider.cjs.cjs

Dedicated Minecraft Bedrock Edition server written in TypeScript

'use strict';

Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });

const node_util = require('node:util');
const Zlib = require('zlib');
const network_packet_NetworkSettingsPacket = require('./packet/NetworkSettingsPacket.cjs.cjs');

const asyncInflate = node_util.promisify(Zlib.inflateRaw);
class CompressionProvider {
  /**
   * Create a new compression provider.
   * @param {PacketCompressionAlgorithm} algorithm - The compression algorithm to use.
   * @returns {Function} A function that will decompress the buffer.
   */
  static fromAlgorithm(algorithm) {
    switch (algorithm) {
      case network_packet_NetworkSettingsPacket.PacketCompressionAlgorithm.ZLIB:
        return asyncInflate;
      case network_packet_NetworkSettingsPacket.PacketCompressionAlgorithm.NONE:
        return async (buffer) => buffer;
      case network_packet_NetworkSettingsPacket.PacketCompressionAlgorithm.SNAPPY:
        throw new Error("Snappy compression is not implemented");
      default:
        throw new Error(`Unsupported compression algorithm: ${algorithm}`);
    }
  }
  /**
   * Create a new compression provider.
   *
   * @todo Move to full async... and remove this method...
   * @param {PacketCompressionAlgorithm} algorithm - The compression algorithm to use.
   * @returns {Function} A function that will decompress the buffer.
   */
  static fromAlgorithmSync(algorithm) {
    switch (algorithm) {
      case network_packet_NetworkSettingsPacket.PacketCompressionAlgorithm.ZLIB:
        return Zlib.inflateRawSync;
      case network_packet_NetworkSettingsPacket.PacketCompressionAlgorithm.NONE:
        return (buffer) => buffer;
      case network_packet_NetworkSettingsPacket.PacketCompressionAlgorithm.SNAPPY:
        throw new Error("Snappy compression is not implemented");
      default:
        throw new Error(`Unsupported compression algorithm: ${algorithm}`);
    }
  }
}

exports.CompressionProvider = CompressionProvider;
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