webpack-dev-server.js:3 [WDS] Errors while compiling. Reload prevented.
webpack-dev-server.js:3 ./~/snapsvg/dist/snap.svg.js
Module build failed: ReferenceError: window is not defined
    at Object.<anonymous> (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/snapsvg/dist/snap.svg.js:35:3)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at loadLoader (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/loadLoader.js:13:17)
    at iteratePitchingLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:169:2)
    at iteratePitchingLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:165:10)
    at /Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:173:18
    at loadLoader (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/loadLoader.js:36:3)
    at iteratePitchingLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:169:2)
    at iteratePitchingLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:165:10)
    at /Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:173:18
    at loadLoader (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/loadLoader.js:36:3)
    at iteratePitchingLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:169:2)
    at runLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:362:2)
    at NormalModule.doBuild (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/webpack/lib/NormalModule.js:129:2)
    at NormalModule.build (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/webpack/lib/NormalModule.js:180:15)
    at Compilation.buildModule (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/webpack/lib/Compilation.js:127:10)
 @ ./~/diagram-js/vendor/snapsvg.js 3:31-49
 @ ./~/diagram-js/lib/util/RenderUtil.js
 @ ./~/bpmn-js/lib/draw/BpmnRenderer.js
 @ ./src/app/workflow/component/modeler/custom-modeler/custom/CustomBpmnRenderer.js
 @ ./src/app/workflow/component/modeler/custom-modeler/custom/index.js
 @ ./src/app/workflow/component/modeler/custom-modeler/CustomModeler.js
 @ ./src/app/workflow/component/modeler/modeler.component.ts
 @ ./src/app/workflow/workflow.module.ts
 @ ./src/app/app.module.ts
 @ ./src/app/index.ts
 @ ./src/main.browser.ts
 @ multi (webpack)-dev-server/client?http://localhost:3000 ./src/main.browser.ts
errors @ webpack-dev-server.js:3
main.bundle.js:3381 11111111111111111111111111111111111111111111111111111111111111111111111
vendor.bundle.js:25591 33333333333333333333333333333333333333333
vendor.bundle.js:25593 4444444444444444444444444444444444444444444444
vendor.bundle.js:25596 555555555555555555555555555555555555555555555555555555
vendor.bundle.js:48277 Uncaught ZoneAwareError
polyfills.bundle.js:2397 [WDS] Errors while compiling. Reload prevented.
polyfills.bundle.js:2475 ./~/snapsvg/dist/snap.svg.js
Module build failed: ReferenceError: window is not defined
    at Object.<anonymous> (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/snapsvg/dist/snap.svg.js:35:3)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at loadLoader (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/loadLoader.js:13:17)
    at iteratePitchingLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:169:2)
    at iteratePitchingLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:165:10)
    at /Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:173:18
    at loadLoader (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/loadLoader.js:36:3)
    at iteratePitchingLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:169:2)
    at iteratePitchingLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:165:10)
    at /Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:173:18
    at loadLoader (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/loadLoader.js:36:3)
    at iteratePitchingLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:169:2)
    at runLoaders (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/loader-runner/lib/LoaderRunner.js:362:2)
    at NormalModule.doBuild (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/webpack/lib/NormalModule.js:129:2)
    at NormalModule.build (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/webpack/lib/NormalModule.js:180:15)
    at Compilation.buildModule (/Users/evgeniya/IdeaProjects/owf.zdenda/openworkflow.2/client/node_modules/webpack/lib/Compilation.js:127:10)
 @ ./~/diagram-js/vendor/snapsvg.js 3:31-49
 @ ./~/diagram-js/lib/util/RenderUtil.js
 @ ./~/bpmn-js/lib/draw/BpmnRenderer.js
 @ ./src/app/workflow/component/modeler/custom-modeler/custom/CustomBpmnRenderer.js
 @ ./src/app/workflow/component/modeler/custom-modeler/custom/index.js
 @ ./src/app/workflow/component/modeler/custom-modeler/CustomModeler.js
 @ ./src/app/workflow/component/modeler/modeler.component.ts
 @ ./src/app/workflow/workflow.module.ts
 @ ./src/app/app.module.ts
 @ ./src/app/index.ts
 @ ./src/main.browser.ts
 @ multi (webpack)-dev-server/client?http://localhost:3000 ./src/main.browser.ts
errors @ polyfills.bundle.js:2475