Extract tables from document Leave feedback

parser.getTables(options) // returns Iterable<PageTableArea>

const java = require('java');
const groupdocs = require('@groupdocs/groupdocs.parser');

// Convert a JavaScript array of numbers to java.util.List<Double>
function toDoubleList(values) {
  const list = java.newInstanceSync('java.util.ArrayList');
  values.forEach((v) => list.add(java.newDouble(v)));
  return list;
}

// Create an instance of Parser class
const parser = new groupdocs.Parser('invoice_pages.pdf');
try {
  // Check if the document supports table extraction
  if (!parser.getFeatures().isTables()) {
    console.log("Document doesn't support tables extraction.");
  } else {
    // Create the layout of tables
    const layout = new groupdocs.TemplateTableLayout(
      toDoubleList([50.0, 95.0, 275.0, 415.0, 485.0, 545.0]),
      toDoubleList([325.0, 340.0, 365.0, 395.0]));
    // Create the options for table extraction
    const options = new groupdocs.PageTableAreaOptions(layout);
    // Extract tables from the document
    const it = parser.getTables(options).iterator();
    // Iterate over tables
    while (it.hasNext()) {
      const t = it.next();
      // Iterate over rows
      for (let row = 0; row < t.getRowCount(); row++) {
        let line = '';
        // Iterate over columns
        for (let column = 0; column < t.getColumnCount(); column++) {
          // Get the table cell
          const cell = t.getCell(row, column);
          if (cell != null) {
            // Add the table cell text
            line += cell.getText() + ' | ';
          }
        }
        console.log(line);
      }
      console.log();
    }
  }
} finally {
  parser.close();
}
process.exit(0);

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