read-excel-file/commonjs/export/readSheetWebWorker.js

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

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = readSheet;
var _browser = _interopRequireDefault(require("worker-f/browser"));
var _parseXml = _interopRequireDefault(require("../xml/parseXml.js"));
var _unpackXlsxFileBrowser = _interopRequireDefault(require("./unpackXlsxFileBrowser.js"));
var _parseSheet = _interopRequireDefault(require("./parseSheet.js"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
// Unzipper is multi-threaded and it spawns a separate worker for each individual file
// inside the archive that is large-enough to justify spawning a worker.
// Because it uses its own `Worker` implementation, it won't use `createWorkerFunction()`.
//
// XML parser is itself single-threaded but it could spawn a separate worker for each
// individual `.xml` file that is large-enough to justify spawning a worker.
// So it could use `createWorkerFunction()`.
//

/**
 * Reads a single sheet from an `.xlsx` file.
 * @param  {(File|Blob|ArrayBuffer)} input
 * @param  {(number|string)} [sheet] — Sheet number or sheet name
 * @param  {object} [options]
 * @return {Promise<SheetData>}
 */
function readSheet(input, sheet, options) {
  // `sheet` argument is optional.
  // It could be omitted while `options` argument is passed.
  if (!options && sheet && typeof sheet !== 'number' && typeof sheet !== 'string') {
    options = sheet;
    sheet = undefined;
  }
  return (0, _unpackXlsxFileBrowser["default"])(input).then(function (contents) {
    return (0, _parseSheet["default"])(_browser["default"], _parseXml["default"], contents, sheet, options);
  });
}
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