Method getWorksheet

lib/doc/workbook.js:107–118

(id)

  }

  getWorksheet(id) {
    if (id === undefined) {
      return this._worksheets.find(Boolean);
    }
    if (typeof id === 'number') {
      return this._worksheets[id];
    }
    if (typeof id === 'string') {
      return this._worksheets.find(worksheet => worksheet && worksheet.name === id);
    }
    return undefined;
  }

  get worksheets() {
    // return a clone of _worksheets