zstd-napi

import * as zstd from 'zstd-napi'; import { readFileSync, writeFileSync } from 'fs'; import { join } from 'path'; import { tmpdir } from 'os'; async function runCompressionExample() { const originalData = Buffer.from('This is a test string that will be compressed using Zstandard. It is relatively short but should demonstrate the basic functionality of the zstd-napi library.', 'utf8'); console.log(`Original data length: ${originalData.length} bytes`); try { // High-level compress API const compressedData = zstd.compress(originalData); console.log(`Compressed data length: ${compressedData.length} bytes`); // High-level decompress API const decompressedData = zstd.decompress(compressedData); console.log(`Decompressed data length: ${decompressedData.length} bytes`); if (decompressedData.equals(originalData)) { console.log('Decompression successful: Data matches original.'); } else { console.error('Decompression failed: Data mismatch!'); } // Example with compression level (default is 3) const compressedDataLevel10 = zstd.compress(originalData, 10); console.log(`Compressed data (level 10) length: ${compressedDataLevel10.length} bytes`); // Demonstrate writing/reading to a file const tempFilePath = join(tmpdir(), `test_data.zst`); writeFileSync(tempFilePath, compressedData); console.log(`Compressed data written to: ${tempFilePath}`); const readCompressedData = readFileSync(tempFilePath); const reDecompressedData = zstd.decompress(readCompressedData); if (reDecompressedData.equals(originalData)) { console.log('File-based decompression successful.'); } else { console.error('File-based decompression failed: Data mismatch!'); } } catch (error) { console.error('An error occurred during compression/decompression:', error); } } runCompressionExample();