exceljs
Version:
Excel Workbook Manager - Read and Write xlsx and csv Files.
364 lines (298 loc) • 12.9 kB
JavaScript
;
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 _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 parseSax = require('../../utils/parse-sax');
var XmlStream = require('../../utils/xml-stream');
/* 'virtual' methods used as a form of documentation */
/* eslint-disable class-methods-use-this */
// Base class for Xforms
var BaseXform = /*#__PURE__*/function () {
function BaseXform() {
_classCallCheck(this, BaseXform);
}
_createClass(BaseXform, [{
key: "prepare",
// constructor(/* model, name */) {}
// ============================================================
// Virtual Interface
value: function prepare()
/* model, options */
{// optional preparation (mutation) of model so it is ready for write
}
}, {
key: "render",
value: function render()
/* xmlStream, model */
{// convert model to xml
}
}, {
key: "parseOpen",
value: function parseOpen(node) {// XML node opened
}
}, {
key: "parseText",
value: function parseText(text) {// chunk of text encountered for current node
}
}, {
key: "parseClose",
value: function parseClose(name) {// XML node closed
}
}, {
key: "reconcile",
value: function reconcile(model, options) {} // optional post-parse step (opposite to prepare)
// ============================================================
}, {
key: "reset",
value: function reset() {
// to make sure parses don't bleed to next iteration
this.model = null; // if we have a map - reset them too
if (this.map) {
Object.values(this.map).forEach(function (xform) {
if (xform instanceof BaseXform) {
xform.reset();
} else if (xform.xform) {
xform.xform.reset();
}
});
}
}
}, {
key: "mergeModel",
value: function mergeModel(obj) {
// set obj's props to this.model
this.model = Object.assign(this.model || {}, obj);
}
}, {
key: "parse",
value: function () {
var _parse = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(saxParser) {
var _iteratorNormalCompletion, _didIteratorError, _iteratorError, _iterator, _step, _value, events, _iterator2, _step2, _step2$value, eventType, value;
return regeneratorRuntime.wrap(function _callee$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
_iteratorNormalCompletion = true;
_didIteratorError = false;
_context.prev = 2;
_iterator = _asyncIterator(saxParser);
case 4:
_context.next = 6;
return _iterator.next();
case 6:
_step = _context.sent;
_iteratorNormalCompletion = _step.done;
_context.next = 10;
return _step.value;
case 10:
_value = _context.sent;
if (_iteratorNormalCompletion) {
_context.next = 42;
break;
}
events = _value;
_iterator2 = _createForOfIteratorHelper(events);
_context.prev = 14;
_iterator2.s();
case 16:
if ((_step2 = _iterator2.n()).done) {
_context.next = 31;
break;
}
_step2$value = _step2.value, eventType = _step2$value.eventType, value = _step2$value.value;
if (!(eventType === 'opentag')) {
_context.next = 22;
break;
}
this.parseOpen(value);
_context.next = 29;
break;
case 22:
if (!(eventType === 'text')) {
_context.next = 26;
break;
}
this.parseText(value);
_context.next = 29;
break;
case 26:
if (!(eventType === 'closetag')) {
_context.next = 29;
break;
}
if (this.parseClose(value.name)) {
_context.next = 29;
break;
}
return _context.abrupt("return", this.model);
case 29:
_context.next = 16;
break;
case 31:
_context.next = 36;
break;
case 33:
_context.prev = 33;
_context.t0 = _context["catch"](14);
_iterator2.e(_context.t0);
case 36:
_context.prev = 36;
_iterator2.f();
return _context.finish(36);
case 39:
_iteratorNormalCompletion = true;
_context.next = 4;
break;
case 42:
_context.next = 48;
break;
case 44:
_context.prev = 44;
_context.t1 = _context["catch"](2);
_didIteratorError = true;
_iteratorError = _context.t1;
case 48:
_context.prev = 48;
_context.prev = 49;
if (!(!_iteratorNormalCompletion && _iterator.return != null)) {
_context.next = 53;
break;
}
_context.next = 53;
return _iterator.return();
case 53:
_context.prev = 53;
if (!_didIteratorError) {
_context.next = 56;
break;
}
throw _iteratorError;
case 56:
return _context.finish(53);
case 57:
return _context.finish(48);
case 58:
return _context.abrupt("return", this.model);
case 59:
case "end":
return _context.stop();
}
}
}, _callee, this, [[2, 44, 48, 58], [14, 33, 36, 39], [49,, 53, 57]]);
}));
function parse(_x) {
return _parse.apply(this, arguments);
}
return parse;
}()
}, {
key: "parseStream",
value: function () {
var _parseStream = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(stream) {
return regeneratorRuntime.wrap(function _callee2$(_context2) {
while (1) {
switch (_context2.prev = _context2.next) {
case 0:
return _context2.abrupt("return", this.parse(parseSax(stream)));
case 1:
case "end":
return _context2.stop();
}
}
}, _callee2, this);
}));
function parseStream(_x2) {
return _parseStream.apply(this, arguments);
}
return parseStream;
}()
}, {
key: "toXml",
value: function toXml(model) {
var xmlStream = new XmlStream();
this.render(xmlStream, model);
return xmlStream.xml;
} // ============================================================
// Useful Utilities
}, {
key: "xml",
get: function get() {
// convenience function to get the xml of this.model
// useful for manager types that are built during the prepare phase
return this.toXml(this.model);
}
}], [{
key: "toAttribute",
value: function toAttribute(value, dflt) {
var always = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
if (value === undefined) {
if (always) {
return dflt;
}
} else if (always || value !== dflt) {
return value.toString();
}
return undefined;
}
}, {
key: "toStringAttribute",
value: function toStringAttribute(value, dflt) {
var always = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
return BaseXform.toAttribute(value, dflt, always);
}
}, {
key: "toStringValue",
value: function toStringValue(attr, dflt) {
return attr === undefined ? dflt : attr;
}
}, {
key: "toBoolAttribute",
value: function toBoolAttribute(value, dflt) {
var always = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
if (value === undefined) {
if (always) {
return dflt;
}
} else if (always || value !== dflt) {
return value ? '1' : '0';
}
return undefined;
}
}, {
key: "toBoolValue",
value: function toBoolValue(attr, dflt) {
return attr === undefined ? dflt : attr === '1';
}
}, {
key: "toIntAttribute",
value: function toIntAttribute(value, dflt) {
var always = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
return BaseXform.toAttribute(value, dflt, always);
}
}, {
key: "toIntValue",
value: function toIntValue(attr, dflt) {
return attr === undefined ? dflt : parseInt(attr, 10);
}
}, {
key: "toFloatAttribute",
value: function toFloatAttribute(value, dflt) {
var always = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
return BaseXform.toAttribute(value, dflt, always);
}
}, {
key: "toFloatValue",
value: function toFloatValue(attr, dflt) {
return attr === undefined ? dflt : parseFloat(attr);
}
}]);
return BaseXform;
}();
module.exports = BaseXform;
//# sourceMappingURL=base-xform.js.map