@openade/fe/dist/compression.service.js

Fatturazione Elettronica - Electronic Invoicing for Sistema di Interscambio (SDI)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CompressionService = void 0;
const util_1 = require("util");
const zlib_1 = require("zlib");
const gzipAsync = (0, util_1.promisify)(zlib_1.gzip);
const gunzipAsync = (0, util_1.promisify)(zlib_1.gunzip);
const deflateAsync = (0, util_1.promisify)(zlib_1.deflate);
const inflateAsync = (0, util_1.promisify)(zlib_1.inflate);
const brotliCompressAsync = (0, util_1.promisify)(zlib_1.brotliCompress);
const brotliDecompressAsync = (0, util_1.promisify)(zlib_1.brotliDecompress);
class CompressionService {
    async compress(data, algorithm = 'gzip') {
        switch (algorithm) {
            case 'gzip':
                return gzipAsync(data);
            case 'deflate':
                return deflateAsync(data);
            case 'brotli':
                return brotliCompressAsync(data);
            default:
                throw new Error(`Unsupported compression algorithm: ${algorithm}`);
        }
    }
    async decompress(data, algorithm = 'gzip') {
        switch (algorithm) {
            case 'gzip':
                return gunzipAsync(data);
            case 'deflate':
                return inflateAsync(data);
            case 'brotli':
                return brotliDecompressAsync(data);
            default:
                throw new Error(`Unsupported decompression algorithm: ${algorithm}`);
        }
    }
    getCompressionRatio(original, compressed) {
        return compressed.length / original.length;
    }
}
exports.CompressionService = CompressionService;
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