workflow-bpmn-modeler-antd
Version:
基于 `vue` 和 `bpmn.io@7.0` ，实现 flowable 的 modeler 模型设计器
291 lines (241 loc) • 2.75 MB
JavaScript
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/***/ (function(module, __webpack_exports__, __webpack_require__) {
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eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"default\", function() { return BaseModeler; });\n/* harmony import */ var inherits__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! inherits */ \"./node_modules/inherits/inherits_browser.js\");\n/* harmony import */ var inherits__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(inherits__WEBPACK_IMPORTED_MODULE_0__);\n/* harmony import */ var ids__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ids */ \"./node_modules/ids/dist/index.esm.js\");\n/* harmony import */ var _BaseViewer__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./BaseViewer */ \"./node_modules/bpmn-js/lib/BaseViewer.js\");\n\n\n\n\n\n\n\n/**\n * A base modeler for BPMN 2.0 diagrams.\n *\n * Have a look at {@link Modeler} for a bundle that includes actual features.\n *\n * @param {Object} [options] configuration options to pass to the viewer\n * @param {DOMElement} [options.container] the container to render the viewer in, defaults to body.\n * @param {string|number} [options.width] the width of the viewer\n * @param {string|number} [options.height] the height of the viewer\n * @param {Object} [options.moddleExtensions] extension packages to provide\n * @param {Array<didi.Module>} [options.modules] a list of modules to override the default modules\n * @param {Array<didi.Module>} [options.additionalModules] a list of modules to use with the default modules\n */\nfunction BaseModeler(options) {\n _BaseViewer__WEBPACK_IMPORTED_MODULE_2__[\"default\"].call(this, options);\n\n // hook ID collection into the modeler\n this.on('import.parse.complete', function(event) {\n if (!event.error) {\n this._collectIds(event.definitions, event.elementsById);\n }\n }, this);\n\n this.on('diagram.destroy', function() {\n this.get('moddle').ids.clear();\n }, this);\n}\n\ninherits__WEBPACK_IMPORTED_MODULE_0___default()(BaseModeler, _BaseViewer__WEBPACK_IMPORTED_MODULE_2__[\"default\"]);\n\n\n/**\n * Create a moddle instance, attaching ids to it.\n *\n * @param {Object} options\n */\nBaseModeler.prototype._createModdle = function(options) {\n var moddle = _BaseViewer__WEBPACK_IMPORTED_MODULE_2__[\"default\"].prototype._createModdle.call(this, options);\n\n // attach ids to moddle to be able to track\n // and validated ids in the BPMN 2.0 XML document\n // tree\n moddle.ids = new ids__WEBPACK_IMPORTED_MODULE_1__[\"default\"]([ 32, 36, 1 ]);\n\n return moddle;\n};\n\n/**\n * Collect ids processed during parsing of the\n * definitions object.\n *\n * @param {ModdleElement} definitions\n * @param {Context} context\n */\nBaseModeler.prototype._collectIds = function(definitions, elementsById) {\n\n var moddle = definitions.$model,\n ids = moddle.ids,\n id;\n\n // remove references from previous import\n ids.clear();\n\n for (id in elementsById) {\n ids.claim(id, elementsById[id]);\n }\n};\n\n\n//# sourceURL=webpack://workflow-bpmn-modeler-antd/./node_modules/bpmn-js/lib/BaseModeler.js?");
/***/ }),
/***/ "./node_modules/bpmn-js/lib/BaseViewer.js":
/*!************************************************!*\
!*** ./node_modules/bpmn-js/lib/BaseViewer.js ***!
\************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"default\", function() { return BaseViewer; });\n/* harmony import */ var min_dash__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! min-dash */ \"./node_modules/min-dash/dist/index.esm.js\");\n/* harmony import */ var min_dom__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! min-dom */ \"./node_modules/min-dom/dist/index.esm.js\");\n/* harmony import */ var tiny_svg__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! tiny-svg */ \"./node_modules/tiny-svg/dist/index.esm.js\");\n/* harmony import */ var diagram_js__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! diagram-js */ \"./node_modules/diagram-js/index.js\");\n/* harmony import */ var bpmn_moddle__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! bpmn-moddle */ \"./node_modules/bpmn-moddle/dist/index.esm.js\");\n/* harmony import */ var inherits__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! inherits */ \"./node_modules/inherits/inherits_browser.js\");\n/* harmony import */ var inherits__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(inherits__WEBPACK_IMPORTED_MODULE_5__);\n/* harmony import */ var _import_Importer__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! ./import/Importer */ \"./node_modules/bpmn-js/lib/import/Importer.js\");\n/* harmony import */ var _util_CompatibilityUtil__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! ./util/CompatibilityUtil */ \"./node_modules/bpmn-js/lib/util/CompatibilityUtil.js\");\n/* harmony import */ var _util_PoweredByUtil__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! ./util/PoweredByUtil */ \"./node_modules/bpmn-js/lib/util/PoweredByUtil.js\");\n/**\n * The code in the <project-logo></project-logo> area\n * must not be changed.\n *\n * @see http://bpmn.io/license for more information.\n */\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n/**\n * A base viewer for BPMN 2.0 diagrams.\n *\n * Have a look at {@link Viewer}, {@link NavigatedViewer} or {@link Modeler} for\n * bundles that include actual features.\n *\n * @param {Object} [options] configuration options to pass to the viewer\n * @param {DOMElement} [options.container] the container to render the viewer in, defaults to body.\n * @param {string|number} [options.width] the width of the viewer\n * @param {string|number} [options.height] the height of the viewer\n * @param {Object} [options.moddleExtensions] extension packages to provide\n * @param {Array<didi.Module>} [options.modules] a list of modules to override the default modules\n * @param {Array<didi.Module>} [options.additionalModules] a list of modules to use with the default modules\n */\nfunction BaseViewer(options) {\n\n options = Object(min_dash__WEBPACK_IMPORTED_MODULE_0__[\"assign\"])({}, DEFAULT_OPTIONS, options);\n\n this._moddle = this._createModdle(options);\n\n this._container = this._createContainer(options);\n\n /* <project-logo> */\n\n addProjectLogo(this._container);\n\n /* </project-logo> */\n\n this._init(this._container, this._moddle, options);\n}\n\ninherits__WEBPACK_IMPORTED_MODULE_5___default()(BaseViewer, diagram_js__WEBPACK_IMPORTED_MODULE_3__[\"default\"]);\n\n/**\n* The importXML result.\n*\n* @typedef {Object} ImportXMLResult\n*\n* @property {Array<string>} warnings\n*/\n\n/**\n* The importXML error.\n*\n* @typedef {Error} ImportXMLError\n*\n* @property {Array<string>} warnings\n*/\n\n/**\n * Parse and render a BPMN 2.0 diagram.\n *\n * Once finished the viewer reports back the result to the\n * provided callback function with (err, warnings).\n *\n * ## Life-Cycle Events\n *\n * During import the viewer will fire life-cycle events:\n *\n * * import.parse.start (about to read model from xml)\n * * import.parse.complete (model read; may have worked or not)\n * * import.render.start (graphical import start)\n * * import.render.complete (graphical import finished)\n * * import.done (everything done)\n *\n * You can use these events to hook into the life-cycle.\n *\n * @param {string} xml the BPMN 2.0 xml\n * @param {ModdleElement<BPMNDiagram>|string} [bpmnDiagram] BPMN diagram or id of diagram to render (if not provided, the first one will be rendered)\n *\n * Returns {Promise<ImportXMLResult, ImportXMLError>}\n */\nBaseViewer.prototype.importXML = Object(_util_CompatibilityUtil__WEBPACK_IMPORTED_MODULE_7__[\"wrapForCompatibility\"])(function importXML(xml, bpmnDiagram) {\n\n var self = this;\n\n function ParseCompleteEvent(data) {\n\n var event = self.get('eventBus').createEvent(data);\n\n // TODO(nikku): remove with future bpmn-js version\n Object.defineProperty(event, 'context', {\n enumerable: true,\n get: function() {\n\n console.warn(new Error(\n 'import.parse.complete <context> is deprecated ' +\n 'and will be removed in future library versions'\n ));\n\n return {\n warnings: data.warnings,\n references: data.references,\n elementsById: data.elementsById\n };\n }\n });\n\n return event;\n }\n\n return new Promise(function(resolve, reject) {\n\n // hook in pre-parse listeners +\n // allow xml manipulation\n xml = self._emit('import.parse.start', { xml: xml }) || xml;\n\n self._moddle.fromXML(xml, 'bpmn:Definitions').then(function(result) {\n var definitions = result.rootElement;\n var references = result.references;\n var parseWarnings = result.warnings;\n var elementsById = result.elementsById;\n\n // hook in post parse listeners +\n // allow definitions manipulation\n definitions = self._emit('import.parse.complete', ParseCompleteEvent({\n error: null,\n definitions: definitions,\n elementsById: elementsById,\n references: references,\n warnings: parseWarnings\n })) || definitions;\n\n self.importDefinitions(definitions, bpmnDiagram).then(function(result) {\n var allWarnings = [].concat(parseWarnings, result.warnings || []);\n\n self._emit('import.done', { error: null, warnings: allWarnings });\n\n return resolve({ warnings: allWarnings });\n }).catch(function(err) {\n var allWarnings = [].concat(parseWarnings, err.warnings || []);\n\n self._emit('import.done', { error: err, warnings: allWarnings });\n\n return reject(addWarningsToError(err, allWarnings));\n });\n }).catch(function(err) {\n\n self._emit('import.parse.complete', {\n error: err\n });\n\n err = checkValidationError(err);\n\n self._emit('import.done', { error: err, warnings: err.warnings });\n\n return reject(err);\n });\n });\n});\n\n/**\n* The importDefinitions result.\n*\n* @typedef {Object} ImportDefinitionsResult\n*\n* @property {Array<string>} warnings\n*/\n\n/**\n* The importDefinitions error.\n*\n* @typedef {Error} ImportDefinitionsError\n*\n* @property {Array<string>} warnings\n*/\n\n/**\n * Import parsed definitions and render a BPMN 2.0 diagram.\n *\n * Once finished the viewer reports back the result to the\n * provided callback function with (err, warnings).\n *\n * ## Life-Cycle Events\n *\n * During import the viewer will fire life-cycle events:\n *\n * * import.render.start (graphical import start)\n * * import.render.complete (graphical import finished)\n *\n * You can use these events to hook into the life-cycle.\n *\n * @param {ModdleElement<Definitions>} definitions parsed BPMN 2.0 definitions\n * @param {ModdleElement<BPMNDiagram>|string} [bpmnDiagram] BPMN diagram or id of diagram to render (if not provided, the first one will be rendered)\n *\n * Returns {Promise<ImportDefinitionsResult, ImportDefinitionsError>}\n */\nBaseViewer.prototype.importDefinitions = Object(_util_CompatibilityUtil__WEBPACK_IMPORTED_MODULE_7__[\"wrapForCompatibility\"])(function importDefinitions(definitions, bpmnDiagram) {\n\n var self = this;\n\n return new Promise(function(resolve, reject) {\n\n self._setDefinitions(definitions);\n\n self.open(bpmnDiagram).then(function(result) {\n\n var warnings = result.warnings;\n\n return resolve({ warnings: warnings });\n }).catch(function(err) {\n\n return reject(err);\n });\n });\n});\n\n/**\n * The open result.\n *\n * @typedef {Object} OpenResult\n *\n * @property {Array<string>} warnings\n */\n\n/**\n* The open error.\n*\n* @typedef {Error} OpenError\n*\n* @property {Array<string>} warnings\n*/\n\n/**\n * Open diagram of previously imported XML.\n *\n * Once finished the viewer reports back the result to the\n * provided callback function with (err, warnings).\n *\n * ## Life-Cycle Events\n *\n * During switch the viewer will fire life-cycle events:\n *\n * * import.render.start (graphical import start)\n * * import.render.complete (graphical import finished)\n *\n * You can use these events to hook into the life-cycle.\n *\n * @param {string|ModdleElement<BPMNDiagram>} [bpmnDiagramOrId] id or the diagram to open\n *\n * Returns {Promise<OpenResult, OpenError>}\n */\nBaseViewer.prototype.open = Object(_util_CompatibilityUtil__WEBPACK_IMPORTED_MODULE_7__[\"wrapForCompatibility\"])(function open(bpmnDiagramOrId) {\n\n var definitions = this._definitions;\n var bpmnDiagram = bpmnDiagramOrId;\n\n var self = this;\n\n return new Promise(function(resolve, reject) {\n if (!definitions) {\n var err1 = new Error('no XML imported');\n\n return reject(addWarningsToError(err1, []));\n }\n\n if (typeof bpmnDiagramOrId === 'string') {\n bpmnDiagram = findBPMNDiagram(definitions, bpmnDiagramOrId);\n\n if (!bpmnDiagram) {\n var err2 = new Error('BPMNDiagram <' + bpmnDiagramOrId + '> not found');\n\n return reject(addWarningsToError(err2, []));\n }\n }\n\n // clear existing rendered diagram\n // catch synchronous exceptions during #clear()\n try {\n self.clear();\n } catch (error) {\n\n return reject(addWarningsToError(error, []));\n }\n\n // perform graphical import\n Object(_import_Importer__WEBPACK_IMPORTED_MODULE_6__[\"importBpmnDiagram\"])(self, definitions, bpmnDiagram).then(function(result) {\n\n var warnings = result.warnings;\n\n return resolve({ warnings: warnings });\n }).catch(function(err) {\n\n return reject(err);\n });\n });\n});\n\n/**\n * The saveXML result.\n *\n * @typedef {Object} SaveXMLResult\n *\n * @property {string} xml\n */\n\n/**\n * Export the currently displayed BPMN 2.0 diagram as\n * a BPMN 2.0 XML document.\n *\n * ## Life-Cycle Events\n *\n * During XML saving the viewer will fire life-cycle events:\n *\n * * saveXML.start (before serialization)\n * * saveXML.serialized (after xml generation)\n * * saveXML.done (everything done)\n *\n * You can use these events to hook into the life-cycle.\n *\n * @param {Object} [options] export options\n * @param {boolean} [options.format=false] output formatted XML\n * @param {boolean} [options.preamble=true] output preamble\n *\n * Returns {Promise<SaveXMLResult, Error>}\n */\nBaseViewer.prototype.saveXML = Object(_util_CompatibilityUtil__WEBPACK_IMPORTED_MODULE_7__[\"wrapForCompatibility\"])(function saveXML(options) {\n\n options = options || {};\n\n var self = this;\n\n var definitions = this._definitions;\n\n return new Promise(function(resolve, reject) {\n\n if (!definitions) {\n var err = new Error('no definitions loaded');\n\n return reject(err);\n }\n\n // allow to fiddle around with definitions\n definitions = self._emit('saveXML.start', {\n definitions: definitions\n }) || definitions;\n\n self._moddle.toXML(definitions, options).then(function(result) {\n\n var xml = result.xml;\n\n try {\n xml = self._emit('saveXML.serialized', {\n error: null,\n xml: xml\n }) || xml;\n\n self._emit('saveXML.done', {\n error: null,\n xml: xml\n });\n } catch (e) {\n console.error('error in saveXML life-cycle listener', e);\n }\n\n return resolve({ xml: xml });\n }).catch(function(err) {\n\n return reject(err);\n });\n });\n});\n\n/**\n * The saveSVG result.\n *\n * @typedef {Object} SaveSVGResult\n *\n * @property {string} svg\n */\n\n/**\n * Export the currently displayed BPMN 2.0 diagram as\n * an SVG image.\n *\n * ## Life-Cycle Events\n *\n * During SVG saving the viewer will fire life-cycle events:\n *\n * * saveSVG.start (before serialization)\n * * saveSVG.done (everything done)\n *\n * You can use these events to hook into the life-cycle.\n *\n * @param {Object} [options]\n *\n * Returns {Promise<SaveSVGResult, Error>}\n */\nBaseViewer.prototype.saveSVG = Object(_util_CompatibilityUtil__WEBPACK_IMPORTED_MODULE_7__[\"wrapForCompatibility\"])(function saveSVG(options) {\n\n options = options || {};\n\n var self = this;\n\n return new Promise(function(resolve, reject) {\n\n self._emit('saveSVG.start');\n\n var svg, err;\n\n try {\n var canvas = self.get('canvas');\n\n var contentNode = canvas.getDefaultLayer(),\n defsNode = Object(min_dom__WEBPACK_IMPORTED_MODULE_1__[\"query\"])('defs', canvas._svg);\n\n var contents = Object(tiny_svg__WEBPACK_IMPORTED_MODULE_2__[\"innerSVG\"])(contentNode),\n defs = defsNode ? '<defs>' + Object(tiny_svg__WEBPACK_IMPORTED_MODULE_2__[\"innerSVG\"])(defsNode) + '</defs>' : '';\n\n var bbox = contentNode.getBBox();\n\n svg =\n '<?xml version=\"1.0\" encoding=\"utf-8\"?>\\n' +\n '<!-- created with bpmn-js / http://bpmn.io -->\\n' +\n '<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\\n' +\n '<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" ' +\n 'width=\"' + bbox.width + '\" height=\"' + bbox.height + '\" ' +\n 'viewBox=\"' + bbox.x + ' ' + bbox.y + ' ' + bbox.width + ' ' + bbox.height + '\" version=\"1.1\">' +\n defs + contents +\n '</svg>';\n } catch (e) {\n err = e;\n }\n\n self._emit('saveSVG.done', {\n error: err,\n svg: svg\n });\n\n if (!err) {\n return resolve({ svg: svg });\n }\n\n return reject(err);\n });\n});\n\n/**\n * Get a named diagram service.\n *\n * @example\n *\n * var elementRegistry = viewer.get('elementRegistry');\n * var startEventShape = elementRegistry.get('StartEvent_1');\n *\n * @param {string} name\n *\n * @return {Object} diagram service instance\n *\n * @method BaseViewer#get\n */\n\n/**\n * Invoke a function in the context of this viewer.\n *\n * @example\n *\n * viewer.invoke(function(elementRegistry) {\n * var startEventShape = elementRegistry.get('StartEvent_1');\n * });\n *\n * @param {Function} fn to be invoked\n *\n * @return {Object} the functions return value\n *\n * @method BaseViewer#invoke\n */\n\n\nBaseViewer.prototype._setDefinitions = function(definitions) {\n this._definitions = definitions;\n};\n\nBaseViewer.prototype.getModules = function() {\n return this._modules;\n};\n\n/**\n * Remove all drawn elements from the viewer.\n *\n * After calling this method the viewer can still\n * be reused for opening another diagram.\n *\n * @method BaseViewer#clear\n */\nBaseViewer.prototype.clear = function() {\n if (!this.getDefinitions()) {\n\n // no diagram to clear\n return;\n }\n\n // remove businessObject#di binding\n //\n // this is necessary, as we establish the bindings\n // in the BpmnTreeWalker (and assume none are given\n // on reimport)\n this.get('elementRegistry').forEach(function(element) {\n var bo = element.businessObject;\n\n if (bo && bo.di) {\n delete bo.di;\n }\n });\n\n // remove drawn elements\n diagram_js__WEBPACK_IMPORTED_MODULE_3__[\"default\"].prototype.clear.call(this);\n};\n\n/**\n * Destroy the viewer instance and remove all its\n * remainders from the document tree.\n */\nBaseViewer.prototype.destroy = function() {\n\n // diagram destroy\n diagram_js__WEBPACK_IMPORTED_MODULE_3__[\"default\"].prototype.destroy.call(this);\n\n // dom detach\n Object(min_dom__WEBPACK_IMPORTED_MODULE_1__[\"remove\"])(this._container);\n};\n\n/**\n * Register an event listener\n *\n * Remove a previously added listener via {@link #off(event, callback)}.\n *\n * @param {string} event\n * @param {number} [priority]\n * @param {Function} callback\n * @param {Object} [that]\n */\nBaseViewer.prototype.on = function(event, priority, callback, target) {\n return this.get('eventBus').on(event, priority, callback, target);\n};\n\n/**\n * De-register an event listener\n *\n * @param {string} event\n * @param {Function} callback\n */\nBaseViewer.prototype.off = function(event, callback) {\n this.get('eventBus').off(event, callback);\n};\n\nBaseViewer.prototype.attachTo = function(parentNode) {\n\n if (!parentNode) {\n throw new Error('parentNode required');\n }\n\n // ensure we detach from the\n // previous, old parent\n this.detach();\n\n // unwrap jQuery if provided\n if (parentNode.get && parentNode.constructor.prototype.jquery) {\n parentNode = parentNode.get(0);\n }\n\n if (typeof parentNode === 'string') {\n parentNode = Object(min_dom__WEBPACK_IMPORTED_MODULE_1__[\"query\"])(parentNode);\n }\n\n parentNode.appendChild(this._container);\n\n this._emit('attach', {});\n\n this.get('canvas').resized();\n};\n\nBaseViewer.prototype.getDefinitions = function() {\n return this._definitions;\n};\n\nBaseViewer.prototype.detach = function() {\n\n var container = this._container,\n parentNode = container.parentNode;\n\n if (!parentNode) {\n return;\n }\n\n this._emit('detach', {});\n\n parentNode.removeChild(container);\n};\n\nBaseViewer.prototype._init = function(container, moddle, options) {\n\n var baseModules = options.modules || this.getModules(),\n additionalModules = options.additionalModules || [],\n staticModules = [\n {\n bpmnjs: [ 'value', this ],\n moddle: [ 'value', moddle ]\n }\n ];\n\n var diagramModules = [].concat(staticModules, baseModules, additionalModules);\n\n var diagramOptions = Object(min_dash__WEBPACK_IMPORTED_MODULE_0__[\"assign\"])(Object(min_dash__WEBPACK_IMPORTED_MODULE_0__[\"omit\"])(options, [ 'additionalModules' ]), {\n canvas: Object(min_dash__WEBPACK_IMPORTED_MODULE_0__[\"assign\"])({}, options.canvas, { container: container }),\n modules: diagramModules\n });\n\n // invoke diagram constructor\n diagram_js__WEBPACK_IMPORTED_MODULE_3__[\"default\"].call(this, diagramOptions);\n\n if (options && options.container) {\n this.attachTo(options.container);\n }\n};\n\n/**\n * Emit an event on the underlying {@link EventBus}\n *\n * @param {string} type\n * @param {Object} event\n *\n * @return {Object} event processing result (if any)\n */\nBaseViewer.prototype._emit = function(type, event) {\n return this.get('eventBus').fire(type, event);\n};\n\nBaseViewer.prototype._createContainer = function(options) {\n\n var container = Object(min_dom__WEBPACK_IMPORTED_MODULE_1__[\"domify\"])('<div class=\"bjs-container\"></div>');\n\n Object(min_dash__WEBPACK_IMPORTED_MODULE_0__[\"assign\"])(container.style, {\n width: ensureUnit(options.width),\n height: ensureUnit(options.height),\n position: options.position\n });\n\n return container;\n};\n\nBaseViewer.prototype._createModdle = function(options) {\n var moddleOptions = Object(min_dash__WEBPACK_IMPORTED_MODULE_0__[\"assign\"])({}, this._moddleExtensions, options.moddleExtensions);\n\n return new bpmn_moddle__WEBPACK_IMPORTED_MODULE_4__[\"default\"](moddleOptions);\n};\n\nBaseViewer.prototype._modules = [];\n\n// helpers ///////////////\n\nfunction addWarningsToError(err, warningsAry) {\n err.warnings = warningsAry;\n return err;\n}\n\nfunction checkValidationError(err) {\n\n // check if we can help the user by indicating wrong BPMN 2.0 xml\n // (in case he or the exporting tool did not get that right)\n\n var pattern = /unparsable content <([^>]+)> detected([\\s\\S]*)$/;\n var match = pattern.exec(err.message);\n\n if (match) {\n err.message =\n 'unparsable content <' + match[1] + '> detected; ' +\n 'this may indicate an invalid BPMN 2.0 diagram file' + match[2];\n }\n\n return err;\n}\n\nvar DEFAULT_OPTIONS = {\n width: '100%',\n height: '100%',\n position: 'relative'\n};\n\n\n/**\n * Ensure the passed argument is a proper unit (defaulting to px)\n */\nfunction ensureUnit(val) {\n return val + (Object(min_dash__WEBPACK_IMPORTED_MODULE_0__[\"isNumber\"])(val) ? 'px' : '');\n}\n\n\n/**\n * Find BPMNDiagram in definitions by ID\n *\n * @param {ModdleElement<Definitions>} definitions\n * @param {string} diagramId\n *\n * @return {ModdleElement<BPMNDiagram>|null}\n */\nfunction findBPMNDiagram(definitions, diagramId) {\n if (!diagramId) {\n return null;\n }\n\n return Object(min_