René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Angular 6 SSR build issue","articleBody":"Hi Team, \r\n\r\nI am new in AngularFire2 library. I am getting one issue while making ssr build only. If i am running ng run build:ssr then i am getting some warnings.\r\n\r\nWARNING in ./node_modules/angularfire2/firebase.app.module.js\r\n15:22-26 \"export 'apps' was not found in 'firebase/app'\r\n @ ./node_modules/angularfire2/firebase.app.module.js\r\n @ ./node_modules/angularfire2/public_api.js\r\n @ ./node_modules/angularfire2/index.js\r\n @ ./dist/server/main.js\r\n @ ./server.ts\r\n\r\nWARNING in ./node_modules/angularfire2/firebase.app.module.js\r\n16:27-40 \"export 'initializeApp' was not found in 'firebase/app'\r\n @ ./node_modules/angularfire2/firebase.app.module.js\r\n @ ./node_modules/angularfire2/public_api.js\r\n @ ./node_modules/angularfire2/index.js\r\n @ ./dist/server/main.js\r\n @ ./server.ts\r\n\r\nBut after running npm run serve:ssr, i am getting this error\r\n\r\nTypeError: Cannot read property 'filter' of undefined\r\n    at _firebaseAppFactory (E:\\dev\\migration\\dist\\server.js:206291:73)\r\n    at E:\\dev\\migration\\dist\\server.js:210811:95\r\n    at ZoneDelegate.invoke (E:\\dev\\migration\\dist\\server.js:527:26)\r\n    at Zone.run (E:\\dev\\migration\\dist\\server.js:277:43)\r\n    at NgZone.runOutsideAngular (E:\\dev\\migration\\dist\\server.js:7898:28)\r\n    at new AngularFireAuth (E:\\dev\\migration\\dist\\server.js:210810:26)\r\n    at _createClass (E:\\dev\\migration\\dist\\server.js:13149:20)\r\n    at _createProviderInstance$1 (E:\\dev\\migration\\dist\\server.js:13111:26)\r\n    at resolveNgModuleDep (E:\\dev\\migration\\dist\\server.js:13077:21)\r\n    at _createClass (E:\\dev\\migration\\dist\\server.js:13143:107)\r\n\r\nBecause of this error i am unable to migrate from Angular 5 to Angular 6. Please help","author":{"url":"https://github.com/ggarg2","@type":"Person","name":"ggarg2"},"datePublished":"2018-06-03T21:34:30.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":39},"url":"https://github.com/1705/angularfire/issues/1705"}