pdf_oxide 0.3.24

// Process multiple PDFs concurrently using Promise.all.
// Run: node index.js file1.pdf file2.pdf ...

const binding = require("pdf-oxide");

const paths = process.argv.slice(2);
if (paths.length === 0) {
  console.error("Usage: node index.js <file1.pdf> <file2.pdf> ...");
  process.exit(1);
}

async function processPdf(path) {
  const handle = binding.open(path);
  try {
    const pages = binding.pageCount(handle);
    let totalWords = 0;
    let totalTables = 0;
    for (let p = 0; p < pages; p++) {
      totalWords += binding.extractWords(handle, p).length;
      totalTables += binding.extractTables(handle, p).length;
    }
    return { path, pages, words: totalWords, tables: totalTables };
  } finally {
    binding.close(handle);
  }
}

async function main() {
  console.log(`Processing ${paths.length} PDFs concurrently...`);
  const start = Date.now();

  const results = await Promise.all(
    paths.map((p) =>
      processPdf(p).catch((err) => ({ path: p, error: err.message }))
    )
  );

  for (const r of results) {
    if (r.error) {
      console.log(`[${r.path}]\tERROR: ${r.error}`);
    } else {
      console.log(
        `[${r.path}]\tpages=${r.pages}\twords=${r.words}\ttables=${r.tables}`
      );
    }
  }

  const elapsed = ((Date.now() - start) / 1000).toFixed(2);
  console.log(`\nDone: ${paths.length} files processed in ${elapsed}s`);
}

main();