read-excel-file/modules/export/unpackXlsxFileUniversal.js

Read `.xlsx` files in a web browser or in Node.js

import unzipFromArrayBuffer from '../zip/unzipFromArrayBuffer.js';
import convertValuesFromUint8ArraysToStrings from './convertValuesFromUint8ArraysToStrings.js';
import filterZipArchiveEntry from './filterZipArchiveEntry.js';

/**
 * Unpacks `*.xlsx` file contents.
 * An `.xlsx` file is really just a `.zip` archive with `.xml` files inside.
 * @param  {(Blob|ArrayBuffer)} input
 * @return {Promise<Record<string,string>} Resolves to an object holding `*.xlsx` file entries.
 */
export default function unpackXlsxFile(input) {
  return getArrayBuffer(input).then(function (arrayBuffer) {
    return unzipFromArrayBuffer(arrayBuffer, {
      filter: filterZipArchiveEntry
    });
  }).then(convertValuesFromUint8ArraysToStrings);
}
function getArrayBuffer(input) {
  if (input instanceof Blob) {
    return input.arrayBuffer();
  }
  if (input instanceof ArrayBuffer) {
    return Promise.resolve(input);
  }
  throw new TypeError('Unuspported input. Expected a `Blob` or an `ArrayBuffer`');
}
//# sourceMappingURL=unpackXlsxFileUniversal.js.map