@protobi/exceljs
Version:
Excel Workbook Manager - Temporary fork with pivot table enhancements and bug fixes pending upstream merge
815 lines (813 loc) • 46 kB
JavaScript
"use strict";
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var fs = require('fs');
var _require = require('events'),
EventEmitter = _require.EventEmitter;
var _require2 = require('readable-stream'),
PassThrough = _require2.PassThrough,
Readable = _require2.Readable;
var nodeStream = require('stream');
var unzip = require('unzipper');
var tmp = require('tmp');
var iterateStream = require('../../utils/iterate-stream');
var parseSax = require('../../utils/parse-sax');
var StyleManager = require('../../xlsx/xform/style/styles-xform');
var WorkbookXform = require('../../xlsx/xform/book/workbook-xform');
var RelationshipsXform = require('../../xlsx/xform/core/relationships-xform');
var WorksheetReader = require('./worksheet-reader');
var HyperlinkReader = require('./hyperlink-reader');
tmp.setGracefulCleanup();
var WorkbookReader = /*#__PURE__*/function (_EventEmitter) {
_inherits(WorkbookReader, _EventEmitter);
var _super = _createSuper(WorkbookReader);
function WorkbookReader(input) {
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var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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_this4 = _super.call(this);
_this4.input = input;
_this4.options = _objectSpread({
worksheets: 'emit',
sharedStrings: 'cache',
hyperlinks: 'ignore',
styles: 'ignore',
entries: 'ignore'
}, options);
_this4.styles = new StyleManager();
_this4.styles.init();
return _this4;
}
_createClass(WorkbookReader, [{
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value: function _getStream(input) {
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}
if (typeof input === 'string') {
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}
throw new Error("Could not recognise input: ".concat(input));
}
}, {
key: "read",
value: function () {
var _read = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(input, options) {
var _iteratorAbruptCompletion, _didIteratorError, _iteratorError, _iterator, _step, _step$value, eventType, value;
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while (1) switch (_context.prev = _context.next) {
case 0:
_context.prev = 0;
_iteratorAbruptCompletion = false;
_didIteratorError = false;
_context.prev = 3;
_iterator = _asyncIterator(this.parse(input, options));
case 5:
_context.next = 7;
return _iterator.next();
case 7:
if (!(_iteratorAbruptCompletion = !(_step = _context.sent).done)) {
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break;
}
_step$value = _step.value, eventType = _step$value.eventType, value = _step$value.value;
_context.t0 = eventType;
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this.emit(eventType, value);
return _context.abrupt("break", 20);
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this.emit(eventType, value);
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this.emit(eventType, value);
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break;
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break;
case 25:
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_context.t1 = _context["catch"](3);
_didIteratorError = true;
_iteratorError = _context.t1;
case 29:
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_context.prev = 30;
if (!(_iteratorAbruptCompletion && _iterator.return != null)) {
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break;
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_context.next = 34;
return _iterator.return();
case 34:
_context.prev = 34;
if (!_didIteratorError) {
_context.next = 37;
break;
}
throw _iteratorError;
case 37:
return _context.finish(34);
case 38:
return _context.finish(29);
case 39:
this.emit('end');
this.emit('finished');
_context.next = 46;
break;
case 43:
_context.prev = 43;
_context.t2 = _context["catch"](0);
this.emit('error', _context.t2);
case 46:
case "end":
return _context.stop();
}
}, _callee, this, [[0, 43], [3, 25, 29, 39], [30,, 34, 38]]);
}));
function read(_x, _x2) {
return _read.apply(this, arguments);
}
return read;
}()
}, {
key: Symbol.asyncIterator,
value: function value() {
var _this = this;
return _wrapAsyncGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2() {
var _iteratorAbruptCompletion2, _didIteratorError2, _iteratorError2, _iterator2, _step2, _step2$value, eventType, value;
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
_iteratorAbruptCompletion2 = false;
_didIteratorError2 = false;
_context2.prev = 2;
_iterator2 = _asyncIterator(_this.parse());
case 4:
_context2.next = 6;
return _awaitAsyncGenerator(_iterator2.next());
case 6:
if (!(_iteratorAbruptCompletion2 = !(_step2 = _context2.sent).done)) {
_context2.next = 14;
break;
}
_step2$value = _step2.value, eventType = _step2$value.eventType, value = _step2$value.value;
if (!(eventType === 'worksheet')) {
_context2.next = 11;
break;
}
_context2.next = 11;
return value;
case 11:
_iteratorAbruptCompletion2 = false;
_context2.next = 4;
break;
case 14:
_context2.next = 20;
break;
case 16:
_context2.prev = 16;
_context2.t0 = _context2["catch"](2);
_didIteratorError2 = true;
_iteratorError2 = _context2.t0;
case 20:
_context2.prev = 20;
_context2.prev = 21;
if (!(_iteratorAbruptCompletion2 && _iterator2.return != null)) {
_context2.next = 25;
break;
}
_context2.next = 25;
return _awaitAsyncGenerator(_iterator2.return());
case 25:
_context2.prev = 25;
if (!_didIteratorError2) {
_context2.next = 28;
break;
}
throw _iteratorError2;
case 28:
return _context2.finish(25);
case 29:
return _context2.finish(20);
case 30:
case "end":
return _context2.stop();
}
}, _callee2, null, [[2, 16, 20, 30], [21,, 25, 29]]);
}))();
}
}, {
key: "parse",
value: function parse(input, options) {
var _this2 = this;
return _wrapAsyncGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3() {
var stream, zip, waitingWorkSheets, _iteratorAbruptCompletion3, _didIteratorError3, _iteratorError3, _loop, _iterator3, _step3, _i, _waitingWorkSheets, _waitingWorkSheets$_i, sheetNo, path, tempFileCleanupCallback, fileStream;
return _regeneratorRuntime().wrap(function _callee3$(_context4) {
while (1) switch (_context4.prev = _context4.next) {
case 0:
if (options) _this2.options = options;
stream = _this2.stream = _this2._getStream(input || _this2.input);
zip = stream.pipe(unzip.Parse({
forceStream: true
})); // worksheets, deferred for parsing after shared strings reading
waitingWorkSheets = [];
_iteratorAbruptCompletion3 = false;
_didIteratorError3 = false;
_context4.prev = 6;
_loop = /*#__PURE__*/_regeneratorRuntime().mark(function _loop() {
var entry, match, sheetNo;
return _regeneratorRuntime().wrap(function _loop$(_context3) {
while (1) switch (_context3.prev = _context3.next) {
case 0:
entry = _step3.value;
_context3.t0 = entry.path;
_context3.next = _context3.t0 === '_rels/.rels' ? 4 : _context3.t0 === 'xl/_rels/workbook.xml.rels' ? 5 : _context3.t0 === 'xl/workbook.xml' ? 8 : _context3.t0 === 'xl/sharedStrings.xml' ? 11 : _context3.t0 === 'xl/styles.xml' ? 13 : 16;
break;
case 4:
return _context3.abrupt("break", 32);
case 5:
_context3.next = 7;
return _awaitAsyncGenerator(_this2._parseRels(entry));
case 7:
return _context3.abrupt("break", 32);
case 8:
_context3.next = 10;
return _awaitAsyncGenerator(_this2._parseWorkbook(entry));
case 10:
return _context3.abrupt("break", 32);
case 11:
return _context3.delegateYield(_asyncGeneratorDelegate(_asyncIterator(_this2._parseSharedStrings(entry)), _awaitAsyncGenerator), "t1", 12);
case 12:
return _context3.abrupt("break", 32);
case 13:
_context3.next = 15;
return _awaitAsyncGenerator(_this2._parseStyles(entry));
case 15:
return _context3.abrupt("break", 32);
case 16:
if (!entry.path.match(/xl\/worksheets\/sheet\d+[.]xml/)) {
_context3.next = 27;
break;
}
match = entry.path.match(/xl\/worksheets\/sheet(\d+)[.]xml/);
sheetNo = match[1];
if (!(_this2.sharedStrings && _this2.workbookRels)) {
_context3.next = 23;
break;
}
return _context3.delegateYield(_asyncGeneratorDelegate(_asyncIterator(_this2._parseWorksheet(iterateStream(entry), sheetNo)), _awaitAsyncGenerator), "t2", 21);
case 21:
_context3.next = 25;
break;
case 23:
_context3.next = 25;
return _awaitAsyncGenerator(new Promise(function (resolve, reject) {
tmp.file(function (err, path, fd, tempFileCleanupCallback) {
if (err) {
return reject(err);
}
waitingWorkSheets.push({
sheetNo: sheetNo,
path: path,
tempFileCleanupCallback: tempFileCleanupCallback
});
var tempStream = fs.createWriteStream(path);
tempStream.on('error', reject);
entry.pipe(tempStream);
return tempStream.on('finish', function () {
return resolve();
});
});
}));
case 25:
_context3.next = 31;
break;
case 27:
if (!entry.path.match(/xl\/worksheets\/_rels\/sheet\d+[.]xml.rels/)) {
_context3.next = 31;
break;
}
match = entry.path.match(/xl\/worksheets\/_rels\/sheet(\d+)[.]xml.rels/);
sheetNo = match[1];
return _context3.delegateYield(_asyncGeneratorDelegate(_asyncIterator(_this2._parseHyperlinks(iterateStream(entry), sheetNo)), _awaitAsyncGenerator), "t3", 31);
case 31:
return _context3.abrupt("break", 32);
case 32:
entry.autodrain();
case 33:
case "end":
return _context3.stop();
}
}, _loop);
});
_iterator3 = _asyncIterator(zip);
case 9:
_context4.next = 11;
return _awaitAsyncGenerator(_iterator3.next());
case 11:
if (!(_iteratorAbruptCompletion3 = !(_step3 = _context4.sent).done)) {
_context4.next = 16;
break;
}
return _context4.delegateYield(_loop(), "t0", 13);
case 13:
_iteratorAbruptCompletion3 = false;
_context4.next = 9;
break;
case 16:
_context4.next = 22;
break;
case 18:
_context4.prev = 18;
_context4.t1 = _context4["catch"](6);
_didIteratorError3 = true;
_iteratorError3 = _context4.t1;
case 22:
_context4.prev = 22;
_context4.prev = 23;
if (!(_iteratorAbruptCompletion3 && _iterator3.return != null)) {
_context4.next = 27;
break;
}
_context4.next = 27;
return _awaitAsyncGenerator(_iterator3.return());
case 27:
_context4.prev = 27;
if (!_didIteratorError3) {
_context4.next = 30;
break;
}
throw _iteratorError3;
case 30:
return _context4.finish(27);
case 31:
return _context4.finish(22);
case 32:
_i = 0, _waitingWorkSheets = waitingWorkSheets;
case 33:
if (!(_i < _waitingWorkSheets.length)) {
_context4.next = 42;
break;
}
_waitingWorkSheets$_i = _waitingWorkSheets[_i], sheetNo = _waitingWorkSheets$_i.sheetNo, path = _waitingWorkSheets$_i.path, tempFileCleanupCallback = _waitingWorkSheets$_i.tempFileCleanupCallback;
fileStream = fs.createReadStream(path); // TODO: Remove once node v8 is deprecated
// Detect and upgrade old fileStreams
if (!fileStream[Symbol.asyncIterator]) {
fileStream = fileStream.pipe(new PassThrough());
}
return _context4.delegateYield(_asyncGeneratorDelegate(_asyncIterator(_this2._parseWorksheet(fileStream, sheetNo)), _awaitAsyncGenerator), "t2", 38);
case 38:
tempFileCleanupCallback();
case 39:
_i++;
_context4.next = 33;
break;
case 42:
case "end":
return _context4.stop();
}
}, _callee3, null, [[6, 18, 22, 32], [23,, 27, 31]]);
}))();
}
}, {
key: "_emitEntry",
value: function _emitEntry(payload) {
if (this.options.entries === 'emit') {
this.emit('entry', payload);
}
}
}, {
key: "_parseRels",
value: function () {
var _parseRels2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4(entry) {
var xform;
return _regeneratorRuntime().wrap(function _callee4$(_context5) {
while (1) switch (_context5.prev = _context5.next) {
case 0:
xform = new RelationshipsXform();
_context5.next = 3;
return xform.parseStream(iterateStream(entry));
case 3:
this.workbookRels = _context5.sent;
case 4:
case "end":
return _context5.stop();
}
}, _callee4, this);
}));
function _parseRels(_x3) {
return _parseRels2.apply(this, arguments);
}
return _parseRels;
}()
}, {
key: "_parseWorkbook",
value: function () {
var _parseWorkbook2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee5(entry) {
var workbook;
return _regeneratorRuntime().wrap(function _callee5$(_context6) {
while (1) switch (_context6.prev = _context6.next) {
case 0:
this._emitEntry({
type: 'workbook'
});
workbook = new WorkbookXform();
_context6.next = 4;
return workbook.parseStream(iterateStream(entry));
case 4:
this.properties = workbook.map.workbookPr;
this.model = workbook.model;
case 6:
case "end":
return _context6.stop();
}
}, _callee5, this);
}));
function _parseWorkbook(_x4) {
return _parseWorkbook2.apply(this, arguments);
}
return _parseWorkbook;
}()
}, {
key: "_parseSharedStrings",
value: function _parseSharedStrings(entry) {
var _this3 = this;
return _wrapAsyncGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee6() {
var text, richText, index, font, _iteratorAbruptCompletion4, _didIteratorError4, _iteratorError4, _iterator4, _step4, events, _iterator5, _step5, _step5$value, eventType, value, node, _node;
return _regeneratorRuntime().wrap(function _callee6$(_context7) {
while (1) switch (_context7.prev = _context7.next) {
case 0:
_this3._emitEntry({
type: 'shared-strings'
});
_context7.t0 = _this3.options.sharedStrings;
_context7.next = _context7.t0 === 'cache' ? 4 : _context7.t0 === 'emit' ? 6 : 7;
break;
case 4:
_this3.sharedStrings = [];
return _context7.abrupt("break", 8);
case 6:
return _context7.abrupt("break", 8);
case 7:
return _context7.abrupt("return");
case 8:
text = null;
richText = [];
index = 0;
font = null;
_iteratorAbruptCompletion4 = false;
_didIteratorError4 = false;
_context7.prev = 14;
_iterator4 = _asyncIterator(parseSax(iterateStream(entry)));
case 16:
_context7.next = 18;
return _awaitAsyncGenerator(_iterator4.next());
case 18:
if (!(_iteratorAbruptCompletion4 = !(_step4 = _context7.sent).done)) {
_context7.next = 109;
break;
}
events = _step4.value;
_iterator5 = _createForOfIteratorHelper(events);
_context7.prev = 21;
_iterator5.s();
case 23:
if ((_step5 = _iterator5.n()).done) {
_context7.next = 98;
break;
}
_step5$value = _step5.value, eventType = _step5$value.eventType, value = _step5$value.value;
if (!(eventType === 'opentag')) {
_context7.next = 72;
break;
}
node = value;
_context7.t1 = node.name;
_context7.next = _context7.t1 === 'b' ? 30 : _context7.t1 === 'charset' ? 33 : _context7.t1 === 'color' ? 36 : _context7.t1 === 'family' ? 42 : _context7.t1 === 'i' ? 45 : _context7.t1 === 'outline' ? 48 : _context7.t1 === 'rFont' ? 51 : _context7.t1 === 'si' ? 54 : _context7.t1 === 'sz' ? 58 : _context7.t1 === 'strike' ? 61 : _context7.t1 === 't' ? 62 : _context7.t1 === 'u' ? 64 : _context7.t1 === 'vertAlign' ? 67 : 70;
break;
case 30:
font = font || {};
font.bold = true;
return _context7.abrupt("break", 70);
case 33:
font = font || {};
font.charset = parseInt(node.attributes.charset, 10);
return _context7.abrupt("break", 70);
case 36:
font = font || {};
font.color = {};
if (node.attributes.rgb) {
font.color.argb = node.attributes.argb;
}
if (node.attributes.val) {
font.color.argb = node.attributes.val;
}
if (node.attributes.theme) {
font.color.theme = node.attributes.theme;
}
return _context7.abrupt("break", 70);
case 42:
font = font || {};
font.family = parseInt(node.attributes.val, 10);
return _context7.abrupt("break", 70);
case 45:
font = font || {};
font.italic = true;
return _context7.abrupt("break", 70);
case 48:
font = font || {};
font.outline = true;
return _context7.abrupt("break", 70);
case 51:
font = font || {};
font.name = node.value;
return _context7.abrupt("break", 70);
case 54:
font = null;
richText = [];
text = null;
return _context7.abrupt("break", 70);
case 58:
font = font || {};
font.size = parseInt(node.attributes.val, 10);
return _context7.abrupt("break", 70);
case 61:
return _context7.abrupt("break", 70);
case 62:
text = null;
return _context7.abrupt("break", 70);
case 64:
font = font || {};
font.underline = true;
return _context7.abrupt("break", 70);
case 67:
font = font || {};
font.vertAlign = node.attributes.val;
return _context7.abrupt("break", 70);
case 70:
_context7.next = 96;
break;
case 72:
if (!(eventType === 'text')) {
_context7.next = 76;
break;
}
text = text ? text + value : value;
_context7.next = 96;
break;
case 76:
if (!(eventType === 'closetag')) {
_context7.next = 96;
break;
}
_node = value;
_context7.t2 = _node.name;
_context7.next = _context7.t2 === 'r' ? 81 : _context7.t2 === 'si' ? 85 : 96;
break;
case 81:
richText.push({
font: font,
text: text
});
font = null;
text = null;
return _context7.abrupt("break", 96);
case 85:
if (!(_this3.options.sharedStrings === 'cache')) {
_context7.next = 89;
break;
}
_this3.sharedStrings.push(richText.length ? {
richText: richText
} : text);
_context7.next = 92;
break;
case 89:
if (!(_this3.options.sharedStrings === 'emit')) {
_context7.next = 92;
break;
}
_context7.next = 92;
return {
index: index++,
text: richText.length ? {
richText: richText
} : text
};
case 92:
richText = [];
font = null;
text = null;
return _context7.abrupt("break", 96);
case 96:
_context7.next = 23;
break;
case 98:
_context7.next = 103;
break;
case 100:
_context7.prev = 100;
_context7.t3 = _context7["catch"](21);
_iterator5.e(_context7.t3);
case 103:
_context7.prev = 103;
_iterator5.f();
return _context7.finish(103);
case 106:
_iteratorAbruptCompletion4 = false;
_context7.next = 16;
break;
case 109:
_context7.next = 115;
break;
case 111:
_context7.prev = 111;
_context7.t4 = _context7["catch"](14);
_didIteratorError4 = true;
_iteratorError4 = _context7.t4;
case 115:
_context7.prev = 115;
_context7.prev = 116;
if (!(_iteratorAbruptCompletion4 && _iterator4.return != null)) {
_context7.next = 120;
break;
}
_context7.next = 120;
return _awaitAsyncGenerator(_iterator4.return());
case 120:
_context7.prev = 120;
if (!_didIteratorError4) {
_context7.next = 123;
break;
}
throw _iteratorError4;
case 123:
return _context7.finish(120);
case 124:
return _context7.finish(115);
case 125:
case "end":
return _context7.stop();
}
}, _callee6, null, [[14, 111, 115, 125], [21, 100, 103, 106], [116,, 120, 124]]);
}))();
}
}, {
key: "_parseStyles",
value: function () {
var _parseStyles2 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee7(entry) {
return _regeneratorRuntime().wrap(function _callee7$(_context8) {
while (1) switch (_context8.prev = _context8.next) {
case 0:
this._emitEntry({
type: 'styles'
});
if (!(this.options.styles === 'cache')) {
_context8.next = 5;
break;
}
this.styles = new StyleManager();
_context8.next = 5;
return this.styles.parseStream(iterateStream(entry));
case 5:
case "end":
return _context8.stop();
}
}, _callee7, this);
}));
function _parseStyles(_x5) {
return _parseStyles2.apply(this, arguments);
}
return _parseStyles;
}()
}, {
key: "_parseWorksheet",
value: /*#__PURE__*/_regeneratorRuntime().mark(function _parseWorksheet(iterator, sheetNo) {
var worksheetReader, matchingRel, matchingSheet;
return _regeneratorRuntime().wrap(function _parseWorksheet$(_context9) {
while (1) switch (_context9.prev = _context9.next) {
case 0:
this._emitEntry({
type: 'worksheet',
id: sheetNo
});
worksheetReader = new WorksheetReader({
workbook: this,
id: sheetNo,
iterator: iterator,
options: this.options
});
matchingRel = (this.workbookRels || []).find(function (rel) {
return rel.Target === "worksheets/sheet".concat(sheetNo, ".xml");
});
matchingSheet = matchingRel && (this.model.sheets || []).find(function (sheet) {
return sheet.rId === matchingRel.Id;
});
if (matchingSheet) {
worksheetReader.id = matchingSheet.id;
worksheetReader.name = matchingSheet.name;
worksheetReader.state = matchingSheet.state;
}
if (!(this.options.worksheets === 'emit')) {
_context9.next = 8;
break;
}
_context9.next = 8;
return {
eventType: 'worksheet',
value: worksheetReader
};
case 8:
case "end":
return _context9.stop();
}
}, _parseWorksheet, this);
})
}, {
key: "_parseHyperlinks",
value: /*#__PURE__*/_regeneratorRuntime().mark(function _parseHyperlinks(iterator, sheetNo) {
var hyperlinksReader;
return _regeneratorRuntime().wrap(function _parseHyperlinks$(_context0) {
while (1) switch (_context0.prev = _context0.next) {
case 0:
this._emitEntry({
type: 'hyperlinks',
id: sheetNo
});
hyperlinksReader = new HyperlinkReader({
workbook: this,
id: sheetNo,
iterator: iterator,
options: this.options
});
if (!(this.options.hyperlinks === 'emit')) {
_context0.next = 5;
break;
}
_context0.next = 5;
return {
eventType: 'hyperlinks',
value: hyperlinksReader
};
case 5:
case "end":
return _context0.stop();
}
}, _parseHyperlinks, this);
})
}]);
return WorkbookReader;
}(EventEmitter); // for reference - these are the valid values for options
WorkbookReader.Options = {
worksheets: ['emit', 'ignore'],
sharedStrings: ['cache', 'emit', 'ignore'],
hyperlinks: ['cache', 'emit', 'ignore'],
styles: ['cache', 'ignore'],
entries: ['emit', 'ignore']
};
module.exports = WorkbookReader;
//# sourceMappingURL=workbook-reader.js.map