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

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

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = readSheet;
var _parseXml = _interopRequireDefault(require("../xml/parseXml.js"));
var _unpackXlsxFileUniversal = _interopRequireDefault(require("./unpackXlsxFileUniversal.js"));
var _parseSheet = _interopRequireDefault(require("./parseSheet.js"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
// There seems to be no way to access Node.js `Worker`
// other than explicitly `import`ing it from the "worker_threads" module.
// It's in contrast to web browsers where the `Worker` class is accessible through a global variable.
//
// The requirement for an explicit `import` of a "native" module in Node.js
// means that it's not really possible to write a "universal" worker implementation
// because what works in Node.js won't work in a web browser due to the absence of the "native" module.
//
// So there seems to be no way to use `Worker` in a "universal" export.
//
var createWorkerFunction = undefined;

/**
 * Reads a single sheet from an `.xlsx` file.
 * @param  {(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, _unpackXlsxFileUniversal["default"])(input).then(function (contents) {
    return (0, _parseSheet["default"])(createWorkerFunction, _parseXml["default"], contents, sheet, options);
  });
}
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