René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"universal prerendering fails with: import 'firebase/firestore'","articleBody":"### Version info \r\n\r\n**Angular:** 9.0.0\r\n**Firebase:** 7.10.0\r\n**AngularFire:** 6.0.0-rc.1\r\n\r\n### How to reproduce these conditions\r\n- Create an angular app: `ng new prerender-test`\r\n- Add @angular/fire with schematics : `ng add @angular/fire`\r\n- Add angular universal : `ng add @nguniversal/express-engine`\r\n- Add `import 'firebase/firestore';` in app.component\r\n- Run `npm run prerender`\r\n\r\n### Debug output\r\n\r\n** Errors in the JavaScript console **\r\n\r\n** Output from `firebase.database().enableLogging(true);` **\r\n```\r\nWARNING in ./node_modules/grpc/src/grpc_extension.js 32:12-33\r\nCritical dependency: the request of a dependency is an expression\r\nWARNING in ./node_modules/grpc/node_modules/node-pre-gyp/lib/pre-binding.js 20:22-48\r\nCritical dependency: the request of a dependency is an expression\r\nWARNING in ./node_modules/grpc/node_modules/node-pre-gyp/lib/util/versioning.js 17:20-67\r\nCritical dependency: the request of a dependency is an expression\r\nWARNING in ./node_modules/bytebuffer/dist/bytebuffer-node.js\r\nModule not found: Error: Can't resolve 'memcpy' in './node_modules/bytebuffer/dist'\r\n\r\nPrerendering 1 route(s) to /path/to/prerender-test/dist/browser\r\n(node:3430) UnhandledPromiseRejectionWarning: Error: package.json does not exist at /path/to/prerender-test/dist/package.json\r\n```\r\n\r\n### Expected behavior\r\nPrerender should not fail.\r\n\r\n### Actual behavior\r\nIt fails\r\n","author":{"url":"https://github.com/GrandSchtroumpf","@type":"Person","name":"GrandSchtroumpf"},"datePublished":"2020-03-10T19:52:33.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/2350/angularfire/issues/2350"}