Extract tgz in browser

extract-tgz-in-browser.js

import pako from 'pako';
import { TarReader } from '@gera2ld/tarjs';

// Function to extract files from a .tgz file (Uint8Array)
async function extractTgz(tgzData) {
  try {
    // Step 1: Decompress the gzip using pako
    const decompressedData = pako.ungzip(tgzData);

    // Step 2: Create a Blob from the decompressed data
    const tarBlob = new Blob([decompressedData]);

    // Step 3: Use TarReader to extract files from the tar archive
    const tarReader = await TarReader.load(tarBlob);
    const extractedFiles = [];

    const { fileInfos } = tarReader;

    for (const info of fileInfos) {
      // Check if the entry is a file (not a directory)
      if (!info.isDirectory) {
        // For text files, read content as text
        const content = await tarReader.getTextFile(info.name);

        extractedFiles.push({
          name: info.name,
          content: content,
        });
      }
    }

    // Return or process the extracted files
    return extractedFiles;
  } catch (error) {
    console.error('Error extracting .tgz:', error);
  }
}