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This.debug error  #18782

@rnkpareek

Description

@rnkpareek

i was using Angular 7 and then i updated my project to 9.
i added universal to my project by running this command "ng add @nguniversal/express-engine"

all the required files and script were added.

But i am getting error in server.js
import { existsSync } from 'fs'; (cannot find module fs)
import { APP_BASE_HREF } from '@angular/common';
import { ngExpressEngine } from '@nguniversal/express-engine';
const distFolder = join(process.cwd(), 'dist/demo/browser');
declare const non_webpack_require: NodeRequire;
if (moduleFilename === __filename || moduleFilename.includes('iisnode')) {

AND while runnig the commad " npm run dev:ssr" iam getting this.debug is not a function

this.debug is not a function
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] dev:ssr: ng run angular.io-example:serve-ssr
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] dev:ssr script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\ronak.pandia\AppData\Roaming\npm-cache_logs\2020-09-14T11_46_47_660Z-debug.log

******THIS IS MY angular.json file *******
{
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"version": 1,
"newProjectRoot": "projects",
"projects": {
"DEMO": {
"root": "",
"sourceRoot": "src",
"projectType": "application",
"prefix": "app",
"schematics": {
"@schematics/angular:component": {
"style": "scss"
}
},
"architect": {
"build": {
"builder": "@angular-devkit/build-angular:browser",
"options": {
"aot": true,
"outputPath": "dist/DEMO/browser",
"index": "src/index.html",
"main": "src/main.ts",
"polyfills": "src/polyfills.ts",
"tsConfig": "tsconfig.app.json",
"assets": [
"src/favicon.ico",
"src/assets"
],
"styles": [
"./node_modules/@fortawesome/fontawesome-free/css/all.css",
"./node_modules/bootstrap/dist/css/bootstrap.min.css",
"./node_modules/ngx-bootstrap/datepicker/bs-datepicker.css",
"src/styles.scss"
],
"scripts": [
"src/assets/thenBy.min.js",
"node_modules/jquery/dist/jquery.min.js"

        ]
      },
      "configurations": {
        "production": {
          "fileReplacements": [
            {
              "replace": "src/environments/environment.ts",
              "with": "src/environments/environment.prod.ts"
            }
          ],
          "optimization": true,
          "outputHashing": "all",
          "sourceMap": false,
          "extractCss": true,
          "namedChunks": false,
          "aot": true,
          "extractLicenses": true,
          "vendorChunk": false,
          "buildOptimizer": true,
          "budgets": [
            {
              "type": "initial",
              "maximumWarning": "2mb",
              "maximumError": "5mb"
            },
            {
              "type": "anyComponentStyle",
              "maximumWarning": "6kb"
            }
          ]
        },
        "uat": {
          "fileReplacements": [
            {
              "replace": "src/environments/environment.ts",
              "with": "src/environments/environment.uat.ts"
            }
          ],
          "optimization": true,
          "outputHashing": "all",
          "sourceMap": false,
          "extractCss": true,
          "namedChunks": false,
          "aot": true,
          "extractLicenses": true,
          "vendorChunk": false,
          "buildOptimizer": true,
          "budgets": [
            {
              "type": "initial",
              "maximumWarning": "2mb",
              "maximumError": "5mb"
            },
            {
              "type": "anyComponentStyle",
              "maximumWarning": "6kb"
            }
          ]
        }
      }
    },
    "serve": {
      "builder": "@angular-devkit/build-angular:dev-server",
      "options": {
        "browserTarget": "DEMO:build",
        "hmrWarning": false
      },
      "configurations": {
        "production": {
          "browserTarget": "DEMO:build:production"
        }
      }
    },
    "extract-i18n": {
      "builder": "@angular-devkit/build-angular:extract-i18n",
      "options": {
        "browserTarget": "DEMO:build"
      }
    },
    "test": {
      "builder": "@angular-devkit/build-angular:karma",
      "options": {
        "main": "src/test.ts",
        "polyfills": "src/polyfills.ts",
        "tsConfig": "src/tsconfig.spec.json",
        "karmaConfig": "src/karma.conf.js",
        "styles": [
          "./node_modules/bootstrap/dist/css/bootstrap.min.css",
          "./node_modules/ngx-bootstrap/datepicker/bs-datepicker.css",
          "src/styles.scss"
        ],
        "scripts": [],
        "assets": [
          "src/favicon.ico",
          "src/assets"
        ]
      }
    },
    "lint": {
      "builder": "@angular-devkit/build-angular:tslint",
      "options": {
        "tsConfig": [
          "tsconfig.app.json",
          "tsconfig.spec.json"
        ],
        "exclude": [
          "**/node_modules/**"
        ]
      }
    },
    "server": {
      "builder": "@angular-devkit/build-angular:server",
      "options": {
        "outputPath": "dist/DEMO/server",
        "main": "server.ts",
        "tsConfig": "src/tsconfig.server.json"
      },
      "configurations": {
        "production": {
          "outputHashing": "media",
          "fileReplacements": [
            {
              "replace": "src/environments/environment.ts",
              "with": "src/environments/environment.prod.ts"
            }
          ],
          "sourceMap": false,
          "optimization": true
        }
      }
    },
    "serve-ssr": {
      "builder": "@nguniversal/builders:ssr-dev-server",
      "options": {
        "browserTarget": "DEMO:build",
        "serverTarget": "DEMO:server"
      },
      "configurations": {
        "production": {
          "browserTarget": "DEMO:build:production",
          "serverTarget": "DEMO:server:production"
        }
      }
    },
    "prerender": {
      "builder": "@nguniversal/builders:prerender",
      "options": {
        "browserTarget": "DEMO:build:production",
        "serverTarget": "DEMO:server:production",
        "routes": [
          "/"
        ]
      },
      "configurations": {
        "production": {}
      }
    }
  }
},
"DEMO-e2e": {
  "root": "e2e/",
  "projectType": "application",
  "prefix": "",
  "architect": {
    "e2e": {
      "builder": "@angular-devkit/build-angular:protractor",
      "options": {
        "protractorConfig": "e2e/protractor.conf.js",
        "devServerTarget": "DEMO:serve"
      },
      "configurations": {
        "production": {
          "devServerTarget": "DEMO:serve:production"
        }
      }
    },
    "lint": {
      "builder": "@angular-devkit/build-angular:tslint",
      "options": {
        "tsConfig": "e2e/tsconfig.e2e.json",
        "exclude": [
          "**/node_modules/**"
        ]
      }
    }
  }
}

},
"defaultProject": "DEMO"
}
*****PACKAGE.JSON FILE
{
"name": "demo",
"version": "0.0.0",
"scripts": {
"ng": "ng",
"start": "ng serve --aot --ssl --hmr",
"build": "ng build",
"build-prod": "ng build --prod",
"build-uat": "ng build --configuration=uat",
"test": "ng test",
"lint": "ng lint --typeCheck=true --fix=true",
"e2e": "ng e2e",
"dev:ssr": "ng run DEMO:serve-ssr",
"serve:ssr": "node dist/DEMO/server/main.js",
"build:ssr": "ng build --prod && ng run DEMO:server:production",
"prerender": "ng run DEMO:prerender"
},
"private": true,
"dependencies": {
"@angular/animations": "9.1.12",
"@angular/cdk": "9.2.0",
"@angular/common": "9.1.12",
"@angular/compiler": "9.1.12",
"@angular/core": "9.1.12",
"@angular/forms": "9.1.12",
"@angular/localize": "^9.1.12",
"@angular/platform-browser": "9.1.12",
"@angular/platform-browser-dynamic": "9.1.12",
"@angular/platform-server": "9.1.12",
"@angular/router": "9.1.12",
"@fortawesome/angular-fontawesome": "^0.6.1",
"@fortawesome/fontawesome-svg-core": "^1.2.28",
"@fortawesome/free-brands-svg-icons": "^5.13.0",
"@fortawesome/free-solid-svg-icons": "^5.13.0",
"@ng-bootstrap/ng-bootstrap": "^4.2.2",
"@nguniversal/express-engine": "^9.1.1",
"angular-in-memory-web-api": "^0.8.0",
"bn-ng-idle": "^1.0.1",
"bootstrap": "^4.5.2",
"classlist.js": "^1.1.20150312",
"core-js": "^2.5.4",
"cors": "^2.8.5",
"crypto-js": "^3.1.9-1",
"express": "^4.15.2",
"file-saver": "^2.0.1",
"jquery": "^3.5.1",
"msal": "^0.2.4",
"ng-block-ui": "^2.1.3",
"ng2-search-filter": "^0.5.1",
"ngx-bootstrap": "^5.6.1",
"ngx-cookie-service": "^2.1.0",
"ngx-spinner": "^9.0.2",
"ngx-ui-loader": "^9.1.1",
"pako": "^1.0.10",
"primeicons": "^1.0.0",
"primeng": "^7.1.2",
"rxjs": "~6.6.3",
"rxjs-compat": "^6.3.3",
"save": "^2.4.0",
"share-buttons": "^1.6.0",
"tslib": "^1.10.0",
"zone.js": "~0.10.2"
},
"devDependencies": {
"@angular-devkit/build-angular": "~0.901.12",
"@angular/cli": "~9.1.12",
"@angular/compiler-cli": "~9.1.12",
"@angular/language-service": "~9.1.12",
"@angularclass/hmr": "^2.1.3",
"@fortawesome/fontawesome-free": "^5.8.2",
"@nguniversal/builders": "^9.1.1",
"@types/express": "^4.17.0",
"@types/file-saver": "^2.0.0",
"@types/jasmine": "~2.8.8",
"@types/jasminewd2": "~2.0.3",
"@types/node": "^12.12.58",
"codelyzer": "^5.1.2",
"jasmine-core": "~2.99.1",
"jasmine-spec-reporter": "~4.2.1",
"karma": "~3.0.0",
"karma-chrome-launcher": "~2.2.0",
"karma-coverage-istanbul-reporter": "~2.0.1",
"karma-jasmine": "~1.1.2",
"karma-jasmine-html-reporter": "^0.2.2",
"node-sass": "^4.13.0",
"protractor": "~5.4.0",
"ts-node": "~7.0.0",
"tslint": "~5.12.0",
"typescript": "~3.8.3"
}
}

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