【问题标题】:Configuring production env配置生产环境
【发布时间】:2019-11-12 05:06:41
【问题描述】:

我正在尝试通过运行在其生产环境中配置我的应用程序

ng serve --configuration= production

但我收到错误 “发生未处理的异常:项目 'production' 不支持 'serve' 目标。” 我不知道为什么或这是否是 CLI 问题。这是我的 angular.json 中的部分:

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          "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"
                }
              ],
              "serviceWorker": true,
              "ngswConfigPath": "src/ngsw-config.json"
            }
          }

完整的 angular.json:

          {
  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
  "version": 1,
  "newProjectRoot": "projects",
  "projects": {
    "live-cicle": {
      "root": "",
      "sourceRoot": "src",
      "projectType": "application",
      "prefix": "app",
      "schematics": {},
      "architect": {
        "build": {
          "builder": "@angular-devkit/build-angular:browser",
          "options": {
            "outputPath": "dist/live-cicle",
            "index": "src/index.html",
            "main": "src/main.ts",
            "polyfills": "src/polyfills.ts",
            "tsConfig": "src/tsconfig.app.json",
            "assets": [
              "src/favicon.ico",
              "src/assets",
              "src/manifest.json"
            ],
            "styles": [
              "./node_modules/@angular/material/prebuilt-themes/indigo-pink.css",
              "src/styles.css",
              "./node_modules/snazzy-info-window/dist/snazzy-info-window.css",
              "./node_modules/@mobiscroll/angular/dist/css/mobiscroll.min.css"
            ],
            "scripts": [
              "node_modules/jquery/dist/jquery.min.js"
            ],
            "es5BrowserSupport": true
          },
          "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"
                }
              ],
              "serviceWorker": true,
              "ngswConfigPath": "src/ngsw-config.json"
            }
          }
        },
        "serve": {
          "builder": "@angular-devkit/build-angular:dev-server",
          "options": {
            "browserTarget": "live-cicle:build"
          },
          "configurations": {
            "production": {
              "browserTarget": "live-cicle:build:production"
            }
          }
        },
        "extract-i18n": {
          "builder": "@angular-devkit/build-angular:extract-i18n",
          "options": {
            "browserTarget": "live-cicle: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/@angular/material/prebuilt-themes/indigo-pink.css",
              "src/styles.css"
            ],
            "scripts": [],
            "assets": [
              "src/favicon.ico",
              "src/assets",
              "src/manifest.json"
            ]
          }
        },
        "lint": {
          "builder": "@angular-devkit/build-angular:tslint",
          "options": {
            "tsConfig": [
              "src/tsconfig.app.json",
              "src/tsconfig.spec.json"
            ],
            "exclude": [
              "**/node_modules/**"
            ]
          }
        }
      }
    },
    "live-cicle-e2e": {
      "root": "e2e/",
      "projectType": "application",
      "prefix": "",
      "architect": {
        "e2e": {
          "builder": "@angular-devkit/build-angular:protractor",
          "options": {
            "protractorConfig": "e2e/protractor.conf.js",
            "devServerTarget": "live-cicle:serve"
          },
          "configurations": {
            "production": {
              "devServerTarget": "live-cicle:serve:production"
            }
          }
        },
        "lint": {
          "builder": "@angular-devkit/build-angular:tslint",
          "options": {
            "tsConfig": "e2e/tsconfig.e2e.json",
            "exclude": [
              "**/node_modules/**"
            ]
          }
        }
      }
    }
  },
  "defaultProject": "live-cicle"
}

【问题讨论】:

  • 您尝试ng serve --prod=true了吗?
  • 我收到错误“‘true’不支持‘serve’目标”
  • 你的角度版本是什么?
  • 你能分享完整的json文件吗
  • 刚刚更新到最新:Angular CLI: 8.3.18 Node: 12.13.0

标签: angular npm production-environment


【解决方案1】:

--configuration= 和 production 之间有一个不必要的空格。

ng serve --configuration=production

或

ng serve --prod

希望对你有所帮助。

【讨论】:

  • 在构建时收到错误消息“发生未处理的异常:对象原型可能只是一个对象或 null:未定义”
  • 您能否描述完整的堆栈跟踪。我认为这可能与一些代码端错误有关。
  • [error] TypeError: Object prototype may only be an Object or null: undefined at setPrototypeOf () at Object.__extends (/Users/jonathanaugustin/Desktop/Websites/live-cicle/node_modules /tslib/tslib.js:65:9) 在 /Users/jonathanaugustin/Desktop/Websites/live-cicle/node_modules/@angular/compiler-cli/src/ngtsc/indexer/src/template.js:115:17 在/Users/jonathanaugustin/Desktop/Websites/live-cicle/node_modules/@angular/compiler-cli/src/ngtsc/indexer/src/template.js:314:6 ...
  • 你能不能参考一下这个:stackoverflow.com/questions/57421582/…。这里似乎是同样的问题。
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