building:ssr error

[hasan786786]

D:\angular4\demo2\dist\server.js:115968 var ua = window.navigator.userAgent.toLowerCase(); ^ ReferenceError: window is not defined at D:\angular4\demo2\dist\server.js:115968:49 at D:\angular4\demo2\dist\server.js:115970:11 at Object. (D:\angular4\demo2\dist\server.js:116809:3) at webpack_require (D:\angular4\demo2\dist\server.js:20:30) at Object.defineProperty.value (D:\angular4\demo2\dist\server.js:63623:14) at webpack_require (D:\angular4\demo2\dist\server.js:20:30) at Object.defineProperty.value (D:\angular4\demo2\dist\server.js:63398:26) at webpack_require (D:\angular4\demo2\dist\server.js:20:30) at Object. (D:\angular4\demo2\dist\server.js:156151:26) at webpack_require (D:\angular4\demo2\dist\server.js:20:30)

package.json { "name": "demo2", "version": "0.0.0", "license": "MIT", "scripts": { "ng": "ng", "start": "ng serve", "build": "ng build", "build:client-and-server-bundles": "ng build --prod && ng build --prod --app 1 --output-hashing=false", "build:prerender": "npm run build:client-and-server-bundles && npm run webpack:server && npm run generate:prerender", "build:ssr": "npm run build:client-and-server-bundles && npm run webpack:server", "generate:prerender": "cd dist && node prerender", "webpack:server": "webpack --config webpack.server.config.js --progress --colors", "serve:prerender": "cd dist && http-server", "serve:ssr": "node dist/server" }, "private": true, "dependencies": { "@angular/animations": "^5.0.0", "@angular/cdk": "^5.0.0-rc.2", "@angular/common": "^5.0.0", "@angular/compiler": "^5.0.0", "@angular/core": "^5.0.0", "@angular/forms": "^5.0.0", "@angular/http": "^5.0.0", "@angular/material": "^5.0.0", "@angular/platform-browser": "^5.0.0", "@angular/platform-browser-dynamic": "^5.0.0", "@angular/platform-server": "^5.0.0", "@angular/router": "^5.0.0", "@nguniversal/express-engine": "^5.0.0-beta.5", "@nguniversal/module-map-ngfactory-loader": "^5.0.0-beta.5", "core-js": "^2.4.1", "express": "^4.16.2", "hammerjs": "^2.0.8", "rxjs": "^5.5.2", "zone.js": "^0.8.14" }, "devDependencies": { "@angular/cli": "^1.5.0", "@angular/compiler-cli": "^5.0.0", "@angular/language-service": "^5.0.0", "@types/hammerjs": "^2.0.35", "@types/node": "^8.0.30", "cpy-cli": "^1.0.1", "express": "^4.15.2", "http-server": "^0.10.0", "reflect-metadata": "^0.1.10", "ts-loader": "^2.3.7", "ts-node": "^3.3.0", "typescript": "~2.4.2" } }

[Toxicable]

see https://github.com/angular/universal-starter#universal-gotchas

[CaerusKaru]

Closing as not an issue with the starter. To run SSR, your bundles can't have references to the global window object.