exceljs
Version:
Excel Workbook Manager - Read and Write xlsx and csv Files.
205 lines (165 loc) • 7.77 kB
JavaScript
;
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 _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); }
var Enums = require('../../../doc/enums');
var utils = require('../../../utils/utils');
var BaseXform = require('../base-xform');
var validation = {
horizontalValues: ['left', 'center', 'right', 'fill', 'centerContinuous', 'distributed', 'justify'].reduce(function (p, v) {
p[v] = true;
return p;
}, {}),
horizontal: function horizontal(value) {
return this.horizontalValues[value] ? value : undefined;
},
verticalValues: ['top', 'middle', 'bottom', 'distributed', 'justify'].reduce(function (p, v) {
p[v] = true;
return p;
}, {}),
vertical: function vertical(value) {
if (value === 'middle') return 'center';
return this.verticalValues[value] ? value : undefined;
},
wrapText: function wrapText(value) {
return value ? true : undefined;
},
shrinkToFit: function shrinkToFit(value) {
return value ? true : undefined;
},
textRotation: function textRotation(value) {
switch (value) {
case 'vertical':
return value;
default:
value = utils.validInt(value);
return value >= -90 && value <= 90 ? value : undefined;
}
},
indent: function indent(value) {
value = utils.validInt(value);
return Math.max(0, value);
},
readingOrder: function readingOrder(value) {
switch (value) {
case 'ltr':
return Enums.ReadingOrder.LeftToRight;
case 'rtl':
return Enums.ReadingOrder.RightToLeft;
default:
return undefined;
}
}
};
var textRotationXform = {
toXml: function toXml(textRotation) {
textRotation = validation.textRotation(textRotation);
if (textRotation) {
if (textRotation === 'vertical') {
return 255;
}
var tr = Math.round(textRotation);
if (tr >= 0 && tr <= 90) {
return tr;
}
if (tr < 0 && tr >= -90) {
return 90 - tr;
}
}
return undefined;
},
toModel: function toModel(textRotation) {
var tr = utils.validInt(textRotation);
if (tr !== undefined) {
if (tr === 255) {
return 'vertical';
}
if (tr >= 0 && tr <= 90) {
return tr;
}
if (tr > 90 && tr <= 180) {
return 90 - tr;
}
}
return undefined;
}
}; // Alignment encapsulates translation from style.alignment model to/from xlsx
var AlignmentXform = /*#__PURE__*/function (_BaseXform) {
_inherits(AlignmentXform, _BaseXform);
var _super = _createSuper(AlignmentXform);
function AlignmentXform() {
_classCallCheck(this, AlignmentXform);
return _super.apply(this, arguments);
}
_createClass(AlignmentXform, [{
key: "render",
value: function render(xmlStream, model) {
xmlStream.addRollback();
xmlStream.openNode('alignment');
var isValid = false;
function add(name, value) {
if (value) {
xmlStream.addAttribute(name, value);
isValid = true;
}
}
add('horizontal', validation.horizontal(model.horizontal));
add('vertical', validation.vertical(model.vertical));
add('wrapText', validation.wrapText(model.wrapText) ? '1' : false);
add('shrinkToFit', validation.shrinkToFit(model.shrinkToFit) ? '1' : false);
add('indent', validation.indent(model.indent));
add('textRotation', textRotationXform.toXml(model.textRotation));
add('readingOrder', validation.readingOrder(model.readingOrder));
xmlStream.closeNode();
if (isValid) {
xmlStream.commit();
} else {
xmlStream.rollback();
}
}
}, {
key: "parseOpen",
value: function parseOpen(node) {
var model = {};
var valid = false;
function add(truthy, name, value) {
if (truthy) {
model[name] = value;
valid = true;
}
}
add(node.attributes.horizontal, 'horizontal', node.attributes.horizontal);
add(node.attributes.vertical, 'vertical', node.attributes.vertical === 'center' ? 'middle' : node.attributes.vertical);
add(node.attributes.wrapText, 'wrapText', !!node.attributes.wrapText);
add(node.attributes.shrinkToFit, 'shrinkToFit', !!node.attributes.shrinkToFit);
add(node.attributes.indent, 'indent', parseInt(node.attributes.indent, 10));
add(node.attributes.textRotation, 'textRotation', textRotationXform.toModel(node.attributes.textRotation));
add(node.attributes.readingOrder, 'readingOrder', node.attributes.readingOrder === '2' ? 'rtl' : 'ltr');
this.model = valid ? model : null;
}
}, {
key: "parseText",
value: function parseText() {}
}, {
key: "parseClose",
value: function parseClose() {
return false;
}
}, {
key: "tag",
get: function get() {
return 'alignment';
}
}]);
return AlignmentXform;
}(BaseXform);
module.exports = AlignmentXform;
//# sourceMappingURL=alignment-xform.js.map