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exceljs

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Excel Workbook Manager - Read and Write xlsx and csv Files.

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"use strict"; function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } function _createForOfIteratorHelper(o) { if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (o = _unsupportedIterableToArray(o))) { var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var it, normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; } function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; } function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } } function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; } function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } function _createSuper(Derived) { return function () { var Super = _getPrototypeOf(Derived), result; if (_isNativeReflectConstruct()) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } function _awaitAsyncGenerator(value) { return new _AwaitValue(value); } function _wrapAsyncGenerator(fn) { return function () { return new _AsyncGenerator(fn.apply(this, arguments)); }; } function _AsyncGenerator(gen) { var front, back; function send(key, arg) { return new Promise(function (resolve, reject) { var request = { key: key, arg: arg, resolve: resolve, reject: reject, next: null }; if (back) { back = back.next = request; } else { front = back = request; resume(key, arg); } }); } function resume(key, arg) { try { var result = gen[key](arg); var value = result.value; var wrappedAwait = value instanceof _AwaitValue; Promise.resolve(wrappedAwait ? value.wrapped : value).then(function (arg) { if (wrappedAwait) { resume(key === "return" ? "return" : "next", arg); return; } settle(result.done ? "return" : "normal", arg); }, function (err) { resume("throw", err); }); } catch (err) { settle("throw", err); } } function settle(type, value) { switch (type) { case "return": front.resolve({ value: value, done: true }); break; case "throw": front.reject(value); break; default: front.resolve({ value: value, done: false }); break; } front = front.next; if (front) { resume(front.key, front.arg); } else { back = null; } } this._invoke = send; if (typeof gen.return !== "function") { this.return = undefined; } } if (typeof Symbol === "function" && Symbol.asyncIterator) { _AsyncGenerator.prototype[Symbol.asyncIterator] = function () { return this; }; } _AsyncGenerator.prototype.next = function (arg) { return this._invoke("next", arg); }; _AsyncGenerator.prototype.throw = function (arg) { return this._invoke("throw", arg); }; _AsyncGenerator.prototype.return = function (arg) { return this._invoke("return", arg); }; function _AwaitValue(value) { this.wrapped = value; } function _asyncIterator(iterable) { var method; if (typeof Symbol !== "undefined") { if (Symbol.asyncIterator) { method = iterable[Symbol.asyncIterator]; if (method != null) return method.call(iterable); } if (Symbol.iterator) { method = iterable[Symbol.iterator]; if (method != null) return method.call(iterable); } } throw new TypeError("Object is not async iterable"); } var _require = require('events'), EventEmitter = _require.EventEmitter; var parseSax = require('../../utils/parse-sax'); var _ = require('../../utils/under-dash'); var utils = require('../../utils/utils'); var colCache = require('../../utils/col-cache'); var Dimensions = require('../../doc/range'); var Row = require('../../doc/row'); var Column = require('../../doc/column'); var WorksheetReader = /*#__PURE__*/function (_EventEmitter) { _inherits(WorksheetReader, _EventEmitter); var _super = _createSuper(WorksheetReader); function WorksheetReader(_ref) { var _this3; var workbook = _ref.workbook, id = _ref.id, iterator = _ref.iterator, options = _ref.options; _classCallCheck(this, WorksheetReader); _this3 = _super.call(this); _this3.workbook = workbook; _this3.id = id; _this3.iterator = iterator; _this3.options = options || {}; // and a name _this3.name = "Sheet".concat(_this3.id); // column definitions _this3._columns = null; _this3._keys = {}; // keep a record of dimensions _this3._dimensions = new Dimensions(); return _this3; } // destroy - not a valid operation for a streaming writer // even though some streamers might be able to, it's a bad idea. _createClass(WorksheetReader, [{ key: "destroy", value: function destroy() { throw new Error('Invalid Operation: destroy'); } // return the current dimensions of the writer }, { key: "getColumn", // get a single column by col number. If it doesn't exist, it and any gaps before it // are created. value: function getColumn(c) { if (typeof c === 'string') { // if it matches a key'd column, return that var col = this._keys[c]; if (col) { return col; } // otherise, assume letter c = colCache.l2n(c); } if (!this._columns) { this._columns = []; } if (c > this._columns.length) { var n = this._columns.length + 1; while (n <= c) { this._columns.push(new Column(this, n++)); } } return this._columns[c - 1]; } }, { key: "getColumnKey", value: function getColumnKey(key) { return this._keys[key]; } }, { key: "setColumnKey", value: function setColumnKey(key, value) { this._keys[key] = value; } }, { key: "deleteColumnKey", value: function deleteColumnKey(key) { delete this._keys[key]; } }, { key: "eachColumnKey", value: function eachColumnKey(f) { _.each(this._keys, f); } }, { key: "read", value: function () { var _read = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee() { var _iteratorNormalCompletion, _didIteratorError, _iteratorError, _iterator, _step, _value, events, _iterator4, _step4, _step4$value, eventType, value; return regeneratorRuntime.wrap(function _callee$(_context) { while (1) { switch (_context.prev = _context.next) { case 0: _context.prev = 0; _iteratorNormalCompletion = true; _didIteratorError = false; _context.prev = 3; _iterator = _asyncIterator(this.parse()); case 5: _context.next = 7; return _iterator.next(); case 7: _step = _context.sent; _iteratorNormalCompletion = _step.done; _context.next = 11; return _step.value; case 11: _value = _context.sent; if (_iteratorNormalCompletion) { _context.next = 19; break; } events = _value; _iterator4 = _createForOfIteratorHelper(events); try { for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) { _step4$value = _step4.value, eventType = _step4$value.eventType, value = _step4$value.value; this.emit(eventType, value); } } catch (err) { _iterator4.e(err); } finally { _iterator4.f(); } case 16: _iteratorNormalCompletion = true; _context.next = 5; break; case 19: _context.next = 25; break; case 21: _context.prev = 21; _context.t0 = _context["catch"](3); _didIteratorError = true; _iteratorError = _context.t0; case 25: _context.prev = 25; _context.prev = 26; if (!(!_iteratorNormalCompletion && _iterator.return != null)) { _context.next = 30; break; } _context.next = 30; return _iterator.return(); case 30: _context.prev = 30; if (!_didIteratorError) { _context.next = 33; break; } throw _iteratorError; case 33: return _context.finish(30); case 34: return _context.finish(25); case 35: this.emit('finished'); _context.next = 41; break; case 38: _context.prev = 38; _context.t1 = _context["catch"](0); this.emit('error', _context.t1); case 41: case "end": return _context.stop(); } } }, _callee, this, [[0, 38], [3, 21, 25, 35], [26,, 30, 34]]); })); function read() { return _read.apply(this, arguments); } return read; }() }, { key: Symbol.asyncIterator, value: function value() { var _this = this; return _wrapAsyncGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2() { var _iteratorNormalCompletion2, _didIteratorError2, _iteratorError2, _iterator2, _step2, _value2, events, _iterator5, _step5, _step5$value, eventType, value; return regeneratorRuntime.wrap(function _callee2$(_context2) { while (1) { switch (_context2.prev = _context2.next) { case 0: _iteratorNormalCompletion2 = true; _didIteratorError2 = false; _context2.prev = 2; _iterator2 = _asyncIterator(_this.parse()); case 4: _context2.next = 6; return _awaitAsyncGenerator(_iterator2.next()); case 6: _step2 = _context2.sent; _iteratorNormalCompletion2 = _step2.done; _context2.next = 10; return _awaitAsyncGenerator(_step2.value); case 10: _value2 = _context2.sent; if (_iteratorNormalCompletion2) { _context2.next = 34; break; } events = _value2; _iterator5 = _createForOfIteratorHelper(events); _context2.prev = 14; _iterator5.s(); case 16: if ((_step5 = _iterator5.n()).done) { _context2.next = 23; break; } _step5$value = _step5.value, eventType = _step5$value.eventType, value = _step5$value.value; if (!(eventType === 'row')) { _context2.next = 21; break; } _context2.next = 21; return value; case 21: _context2.next = 16; break; case 23: _context2.next = 28; break; case 25: _context2.prev = 25; _context2.t0 = _context2["catch"](14); _iterator5.e(_context2.t0); case 28: _context2.prev = 28; _iterator5.f(); return _context2.finish(28); case 31: _iteratorNormalCompletion2 = true; _context2.next = 4; break; case 34: _context2.next = 40; break; case 36: _context2.prev = 36; _context2.t1 = _context2["catch"](2); _didIteratorError2 = true; _iteratorError2 = _context2.t1; case 40: _context2.prev = 40; _context2.prev = 41; if (!(!_iteratorNormalCompletion2 && _iterator2.return != null)) { _context2.next = 45; break; } _context2.next = 45; return _awaitAsyncGenerator(_iterator2.return()); case 45: _context2.prev = 45; if (!_didIteratorError2) { _context2.next = 48; break; } throw _iteratorError2; case 48: return _context2.finish(45); case 49: return _context2.finish(40); case 50: case "end": return _context2.stop(); } } }, _callee2, null, [[2, 36, 40, 50], [14, 25, 28, 31], [41,, 45, 49]]); }))(); } }, { key: "parse", value: function parse() { var _this2 = this; return _wrapAsyncGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3() { var iterator, options, emitSheet, emitHyperlinks, hyperlinks, _this2$workbook, sharedStrings, styles, properties, inCols, inRows, inHyperlinks, cols, row, c, current, _iteratorNormalCompletion3, _didIteratorError3, _iteratorError3, _iterator3, _step3, _value3, events, worksheetEvents, _iterator6, _step6, _step6$value, eventType, value, node, r, styleId, style, hyperlink, _node, address, cell, _style, cellValue, index, _hyperlink; return regeneratorRuntime.wrap(function _callee3$(_context3) { while (1) { switch (_context3.prev = _context3.next) { case 0: iterator = _this2.iterator, options = _this2.options; emitSheet = false; emitHyperlinks = false; hyperlinks = null; _context3.t0 = options.worksheets; _context3.next = _context3.t0 === 'emit' ? 7 : _context3.t0 === 'prep' ? 9 : 10; break; case 7: emitSheet = true; return _context3.abrupt("break", 11); case 9: return _context3.abrupt("break", 11); case 10: return _context3.abrupt("break", 11); case 11: _context3.t1 = options.hyperlinks; _context3.next = _context3.t1 === 'emit' ? 14 : _context3.t1 === 'cache' ? 16 : 18; break; case 14: emitHyperlinks = true; return _context3.abrupt("break", 19); case 16: _this2.hyperlinks = hyperlinks = {}; return _context3.abrupt("break", 19); case 18: return _context3.abrupt("break", 19); case 19: if (!(!emitSheet && !emitHyperlinks && !hyperlinks)) { _context3.next = 21; break; } return _context3.abrupt("return"); case 21: // references _this2$workbook = _this2.workbook, sharedStrings = _this2$workbook.sharedStrings, styles = _this2$workbook.styles, properties = _this2$workbook.properties; // xml position inCols = false; inRows = false; inHyperlinks = false; // parse state cols = null; row = null; c = null; current = null; _iteratorNormalCompletion3 = true; _didIteratorError3 = false; _context3.prev = 31; _iterator3 = _asyncIterator(parseSax(iterator)); case 33: _context3.next = 35; return _awaitAsyncGenerator(_iterator3.next()); case 35: _step3 = _context3.sent; _iteratorNormalCompletion3 = _step3.done; _context3.next = 39; return _awaitAsyncGenerator(_step3.value); case 39: _value3 = _context3.sent; if (_iteratorNormalCompletion3) { _context3.next = 153; break; } events = _value3; worksheetEvents = []; _iterator6 = _createForOfIteratorHelper(events); _context3.prev = 44; _iterator6.s(); case 46: if ((_step6 = _iterator6.n()).done) { _context3.next = 139; break; } _step6$value = _step6.value, eventType = _step6$value.eventType, value = _step6$value.value; if (!(eventType === 'opentag')) { _context3.next = 82; break; } node = value; if (!emitSheet) { _context3.next = 71; break; } _context3.t2 = node.name; _context3.next = _context3.t2 === 'cols' ? 54 : _context3.t2 === 'sheetData' ? 57 : _context3.t2 === 'col' ? 59 : _context3.t2 === 'row' ? 61 : _context3.t2 === 'c' ? 63 : _context3.t2 === 'f' ? 65 : _context3.t2 === 'v' ? 67 : _context3.t2 === 'mergeCell' ? 69 : 70; break; case 54: inCols = true; cols = []; return _context3.abrupt("break", 71); case 57: inRows = true; return _context3.abrupt("break", 71); case 59: if (inCols) { cols.push({ min: parseInt(node.attributes.min, 10), max: parseInt(node.attributes.max, 10), width: parseFloat(node.attributes.width), styleId: parseInt(node.attributes.style || '0', 10) }); } return _context3.abrupt("break", 71); case 61: if (inRows) { r = parseInt(node.attributes.r, 10); row = new Row(_this2, r); if (node.attributes.ht) { row.height = parseFloat(node.attributes.ht); } if (node.attributes.s) { styleId = parseInt(node.attributes.s, 10); style = styles.getStyleModel(styleId); if (style) { row.style = style; } } } return _context3.abrupt("break", 71); case 63: if (row) { c = { ref: node.attributes.r, s: parseInt(node.attributes.s, 10), t: node.attributes.t }; } return _context3.abrupt("break", 71); case 65: if (c) { current = c.f = { text: '' }; } return _context3.abrupt("break", 71); case 67: if (c) { current = c.v = { text: '' }; } return _context3.abrupt("break", 71); case 69: return _context3.abrupt("break", 71); case 70: return _context3.abrupt("break", 71); case 71: if (!(emitHyperlinks || hyperlinks)) { _context3.next = 80; break; } _context3.t3 = node.name; _context3.next = _context3.t3 === 'hyperlinks' ? 75 : _context3.t3 === 'hyperlink' ? 77 : 79; break; case 75: inHyperlinks = true; return _context3.abrupt("break", 80); case 77: if (inHyperlinks) { hyperlink = { ref: node.attributes.ref, rId: node.attributes['r:id'] }; if (emitHyperlinks) { worksheetEvents.push({ eventType: 'hyperlink', value: hyperlink }); } else { hyperlinks[hyperlink.ref] = hyperlink; } } return _context3.abrupt("break", 80); case 79: return _context3.abrupt("break", 80); case 80: _context3.next = 137; break; case 82: if (!(eventType === 'text')) { _context3.next = 86; break; } // only text data is for sheet values if (emitSheet) { if (current) { current.text += value; } } _context3.next = 137; break; case 86: if (!(eventType === 'closetag')) { _context3.next = 137; break; } _node = value; if (!emitSheet) { _context3.next = 130; break; } _context3.t4 = _node.name; _context3.next = _context3.t4 === 'cols' ? 92 : _context3.t4 === 'sheetData' ? 95 : _context3.t4 === 'row' ? 97 : _context3.t4 === 'c' ? 101 : 129; break; case 92: inCols = false; _this2._columns = Column.fromModel(cols); return _context3.abrupt("break", 130); case 95: inRows = false; return _context3.abrupt("break", 130); case 97: _this2._dimensions.expandRow(row); worksheetEvents.push({ eventType: 'row', value: row }); row = null; return _context3.abrupt("break", 130); case 101: if (!(row && c)) { _context3.next = 128; break; } address = colCache.decodeAddress(c.ref); cell = row.getCell(address.col); if (c.s) { _style = styles.getStyleModel(c.s); if (_style) { cell.style = _style; } } if (!c.f) { _context3.next = 111; break; } cellValue = { formula: c.f.text }; if (c.v) { if (c.t === 'str') { cellValue.result = utils.xmlDecode(c.v.text); } else { cellValue.result = parseFloat(c.v.text); } } cell.value = cellValue; _context3.next = 126; break; case 111: if (!c.v) { _context3.next = 126; break; } _context3.t5 = c.t; _context3.next = _context3.t5 === 's' ? 115 : _context3.t5 === 'str' ? 118 : _context3.t5 === 'e' ? 120 : _context3.t5 === 'b' ? 122 : 124; break; case 115: index = parseInt(c.v.text, 10); if (sharedStrings) { cell.value = sharedStrings[index]; } else { cell.value = { sharedString: index }; } return _context3.abrupt("break", 126); case 118: cell.value = utils.xmlDecode(c.v.text); return _context3.abrupt("break", 126); case 120: cell.value = { error: c.v.text }; return _context3.abrupt("break", 126); case 122: cell.value = parseInt(c.v.text, 10) !== 0; return _context3.abrupt("break", 126); case 124: if (utils.isDateFmt(cell.numFmt)) { cell.value = utils.excelToDate(parseFloat(c.v.text), properties.model && properties.model.date1904); } else { cell.value = parseFloat(c.v.text); } return _context3.abrupt("break", 126); case 126: if (hyperlinks) { _hyperlink = hyperlinks[c.ref]; if (_hyperlink) { cell.text = cell.value; cell.value = undefined; cell.hyperlink = _hyperlink; } } c = null; case 128: return _context3.abrupt("break", 130); case 129: return _context3.abrupt("break", 130); case 130: if (!(emitHyperlinks || hyperlinks)) { _context3.next = 137; break; } _context3.t6 = _node.name; _context3.next = _context3.t6 === 'hyperlinks' ? 134 : 136; break; case 134: inHyperlinks = false; return _context3.abrupt("break", 137); case 136: return _context3.abrupt("break", 137); case 137: _context3.next = 46; break; case 139: _context3.next = 144; break; case 141: _context3.prev = 141; _context3.t7 = _context3["catch"](44); _iterator6.e(_context3.t7); case 144: _context3.prev = 144; _iterator6.f(); return _context3.finish(144); case 147: if (!(worksheetEvents.length > 0)) { _context3.next = 150; break; } _context3.next = 150; return worksheetEvents; case 150: _iteratorNormalCompletion3 = true; _context3.next = 33; break; case 153: _context3.next = 159; break; case 155: _context3.prev = 155; _context3.t8 = _context3["catch"](31); _didIteratorError3 = true; _iteratorError3 = _context3.t8; case 159: _context3.prev = 159; _context3.prev = 160; if (!(!_iteratorNormalCompletion3 && _iterator3.return != null)) { _context3.next = 164; break; } _context3.next = 164; return _awaitAsyncGenerator(_iterator3.return()); case 164: _context3.prev = 164; if (!_didIteratorError3) { _context3.next = 167; break; } throw _iteratorError3; case 167: return _context3.finish(164); case 168: return _context3.finish(159); case 169: case "end": return _context3.stop(); } } }, _callee3, null, [[31, 155, 159, 169], [44, 141, 144, 147], [160,, 164, 168]]); }))(); } }, { key: "dimensions", get: function get() { return this._dimensions; } // ========================================================================= // Columns // get the current columns array. }, { key: "columns", get: function get() { return this._columns; } }]); return WorksheetReader; }(EventEmitter); module.exports = WorksheetReader; //# sourceMappingURL=worksheet-reader.js.map