从Angular 6升级到Angular 8 ng后无法加载应用

时间：2019-12-20 16:21:06

标签： angular typescript angular8

我使用命令ng update --all --force将角度从6升级到8。升级成功。当我执行ng serve时，它也可以成功服务，如下所示 enter image description here

但是，当我访问localhost:4300时，它显示空白页，而浏览器控制台日志中没有任何错误。这是我的ng版本 enter image description here

我的angular.jsonn 

{
  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
  "version": 1,
  "newProjectRoot": "projects",
  "projects": {
    "lightsmind-website": {
      "root": "",
      "sourceRoot": "src",
      "projectType": "application",
      "prefix": "app",
      "schematics": {},
      "architect": {
        "build": {
          "builder": "@angular-devkit/build-angular:browser",
          "options": {
            "outputPath": "dist/browser",
            "index": "src/index.html",
            "main": "src/main.ts",
            "polyfills": "src/polyfills.ts",
            "tsConfig": "src/tsconfig.app.json",
            "assets": [
              "src/favicon.ico",
              "src/assets"
            ],
            "styles": [
              "src/styles.css",
              "node_modules/angular2-toaster/toaster.css"
            ],
            "scripts": [
              "src/assets/js/vendor/jquery-1.11.2.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
            }
          }
        },
        "serve": {
          "builder": "@angular-devkit/build-angular:dev-server",
          "options": {
            "browserTarget": "lightsmind-website:build"
          },
          "configurations": {
            "production": {
              "browserTarget": "lightsmind-website:build:production"
            }
          }
        },
        "extract-i18n": {
          "builder": "@angular-devkit/build-angular:extract-i18n",
          "options": {
            "browserTarget": "lightsmind-website: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": [
              "src/styles.css"
            ],
            "scripts": [],
            "assets": [
              "src/favicon.ico",
              "src/assets"
            ]
          }
        },
        "lint": {
          "builder": "@angular-devkit/build-angular:tslint",
          "options": {
            "tsConfig": [
              "src/tsconfig.app.json",
              "src/tsconfig.spec.json"
            ],
            "exclude": [
              "**/node_modules/**"
            ]
          }
        },
        "server": {
          "builder": "@angular-devkit/build-angular:server",
          "options": {
            "outputPath": "dist/server",
            "main": "src/main.server.ts",
            "tsConfig": "src/tsconfig.server.json"
          },
          "configurations": {
            "production": {
              "fileReplacements": [
                {
                  "replace": "src/environments/environment.ts",
                  "with": "src/environments/environment.prod.ts"
                }
              ]
            }
          }
        }
      }
    },
    "lightsmind-website-e2e": {
      "root": "e2e/",
      "projectType": "application",
      "architect": {
        "e2e": {
          "builder": "@angular-devkit/build-angular:protractor",
          "options": {
            "protractorConfig": "e2e/protractor.conf.js",
            "devServerTarget": "lightsmind-website:serve"
          },
          "configurations": {
            "production": {
              "devServerTarget": "lightsmind-website:serve:production"
            }
          }
        },
        "lint": {
          "builder": "@angular-devkit/build-angular:tslint",
          "options": {
            "tsConfig": "e2e/tsconfig.e2e.json",
            "exclude": [
              "**/node_modules/**"
            ]
          }
        }
      }
    }
  },
  "defaultProject": "lightsmind-website"
}

我的package.json 

{
  "name": "lightsmind-website",
  "version": "0.0.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e",
    "compile:server": "webpack --config webpack.server.config.js --progress --colors",
    "serve:ssr": "node dist/server",
    "build:ssr": "npm run build:client-and-server-bundles && npm run compile:server",
    "build:client-and-server-bundles": "ng build --prod && ng run lightsmind-website:server:production",
    "build:ssr-firebase": "npm run build:ssr && npm --prefix functions/ run build"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "^8.1.0-next.3",
    "@angular/common": "^8.1.0-next.3",
    "@angular/compiler": "^8.1.0-next.3",
    "@angular/core": "^8.1.0-next.3",
    "@angular/forms": "^8.1.0-next.3",
    "@angular/platform-browser": "^8.1.0-next.3",
    "@angular/platform-browser-dynamic": "^8.1.0-next.3",
    "@angular/platform-server": "^8.1.0-next.3",
    "@angular/router": "^8.1.0-next.3",
    "@nguniversal/express-engine": "8.2.6",
    "@nguniversal/module-map-ngfactory-loader": "8.2.6",
    "@types/braintree-web": "^3.47.1",
    "@types/express": "^4.17.2",
    "@types/file-saver": "^2.0.1",
    "angular2-toaster": "^8.0.0",
    "braintree-web": "^3.56.0",
    "core-js": "^3.6.0",
    "express": "^4.17.1",
    "file-saver": "^2.0.2",
    "ng2-loading-spinner": "^1.3.0",
    "ngx-bootstrap": "^5.2.0",
    "ngx-cookie": "^4.0.2",
    "ngx-pagination": "^5.0.0",
    "rxjs": "^6.5.3",
    "tslib": "^1.10.0",
    "zone.js": "^0.9.1"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "^0.803.21",
    "@angular/cli": "^8.3.21",
    "@angular/compiler-cli": "^8.1.0-next.3",
    "@angular/language-service": "^8.1.0-next.3",
    "@types/jasmine": "~3.5.0",
    "@types/jasminewd2": "~2.0.8",
    "@types/node": "~12.12.21",
    "bufferutil": "^4.0.1",
    "codelyzer": "^5.2.1",
    "jasmine-core": "~3.5.0",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "~4.4.1",
    "karma-chrome-launcher": "~3.1.0",
    "karma-coverage-istanbul-reporter": "~2.1.1",
    "karma-jasmine": "~2.0.1",
    "karma-jasmine-html-reporter": "^1.4.2",
    "protractor": "~5.4.2",
    "ts-loader": "^6.2.1",
    "ts-node": "~8.5.4",
    "tslint": "~5.20.1",
    "typescript": "3.5.3",
    "utf-8-validate": "^5.0.2",
    "webpack-cli": "^3.3.10",
    "ws": "^7.2.1",
    "xhr2": "^0.2.0"
  }
}

我的tsconfing.json 

{
  "compileOnSave": false,
  "compilerOptions": {
    "baseUrl": "./",
    "downlevelIteration": true,
    "importHelpers": true,
    "outDir": "./dist/out-tsc",
    "sourceMap": true,
    "declaration": false,
    "module": "esnext",
    "moduleResolution": "node",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "target": "es2015",
    "typeRoots": [
      "node_modules/@types"
    ],
    "lib": [
      "es2017",
      "dom"
    ]
  }
}

0 个答案:

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