角4: ng服务工作很好，但是ng构建-prod失败。

Question

当我试图运行ng serve时，它没有任何错误地运行，但是当我试图使用'ng build --prod‘创建一个生产构建时，它在下面的错误中停止了。我试着调整这个版本，但还是没有成功。然后出现了一些其他问题，就像其他API版本兼容性问题一样。任何帮助都将不胜感激。

未找到./src/main.ts模块中的错误:错误:无法解决。/$_gendir/app/app.module.ngFactory‘中的D：\000PS\workspace_ui\dashboard\src错误:模块D：\000PS\workspace_ui\dashboard\src发现版本4的元数据版本不匹配，预期3次在(D:\000PS\workspace_ui\dashboard\node_modules\@angular\compiler\bundles\compiler.umd.js:25755:34) (D:\000PS\workspace_ui\dashboard\node_modules\@angular\compiler\bundles\compiler.umd.js:25543:46) at StaticSymbolResolver._createSymbolsOf (D:\000PS\workspace_ui\dashboard\node_modules\@angular\compiler\bundles\compiler.umd.js:25524在StaticSymbolResolver.getModuleMetadata (D：\000PS\workspace_ui\dashboard\node_modules\@angular\compiler\bundles\compiler.umd.js:25524:14)在D:\000PS\workspace_ui\dashboard\node_modules\@angular\compiler\bundles\compiler.umd.js:24381:30 at Array.forEach () at extractProgramSymbols (D:\000PS\workspace_ui\dashboard\node_modules\@angular\compiler\bundles\compiler.umd.js:24380:79) at AotCompiler.analyzeModulesAsync (D:\000PS\workspace_ui\dashboard\node_modules\@angular\compiler\bundles\compiler.umd.js:23936:47) (D:\000PS\workspace_ui\dashboard\node_modules\@angular\compiler-cli\src\codegen.js:32:14) at Function.NgTools_InternalApi_NG_2.codeGen (D:\000PS\workspace_ui\dashboard\node_modules\@angular\compiler-cli\src\ngtools_api.js:73:30) at _donePromise.Promise.resolve.then (D:\000PS\workspace_ui\dashboard\node )_modules\@ngtools\webpack\src\plugin.js:428:58) at process._tickCallback (process._tickCallback/process/next_tick.js:188:7)

请查找package.json以供参考：

{
  "name": "dashboard",
  "version": "1.0.1",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/common": "4.4.4",
    "@angular/compiler": "4.4.4",
    "@angular/core": "4.4.4",
    "@angular/forms": "4.4.4",
    "@angular/http": "4.4.4",
    "@angular/platform-browser": "4.4.4",
    "@angular/platform-browser-dynamic": "4.4.4",
    "@angular/router": "4.4.4",
    "@ngui/map": "0.18.3",
    "@types/googlemaps": "3.26.14",
    "angular2-jwt": "^0.2.3",
    "bootstrap": "3.3.5",
    "bootstrap-notify": "3.1.3",
    "bootstrap-select": "1.12.2",
    "bootstrap-switch": "3.3.4",
    "bootstrap-tagsinput": "0.7.1",
    "chartist": "0.9.4",
    "chartist-plugin-zoom": "0.4.0",
    "chartjs-plugin-zoom": "0.5.0",
    "core-js": "2.4.1",
    "datatables": "1.10.12",
    "datatables.net-bs": "1.10.12",
    "datatables.net-responsive": "2.1.1",
    "easy-pie-chart": "2.1.7",
    "eonasdan-bootstrap-datetimepicker": "4.17.47",
    "fullcalendar": "3.4.0",
    "jasny-bootstrap": "3.1.3",
    "jquery": "1.12.4",
    "material-design-icons": "^3.0.1",
    "mdbootstrap": "^4.5.0",
    "ng2-fab-speed-dial": "^1.0.0-beta.5",
    "ngx-pipes": "^1.6.5",
    "nouislider": "9.2.0",
    "npm": "^5.8.0",
    "rxjs": "5.4.2",
    "time-ago-pipe": "1.2.1",
    "twitter-bootstrap-wizard": "^1.2.0",
    "web-animations-js": "2.2.2",
    "zone.js": "0.8.4"
  },
  "devDependencies": {
    "@angular/cli": "^1.7.4",
    "@angular/compiler-cli": "4.4.4",
    "@types/bootstrap": "3.3.32",
    "@types/chartist": "0.9.34",
    "@types/jasmine": "2.5.38",
    "@types/jquery": "1.10.31",
    "@types/node": "6.0.73",
    "angular2-jwt": "^0.2.3",
    "codelyzer": "2.0.0",
    "jasmine-core": "2.5.2",
    "jasmine-spec-reporter": "3.2.0",
    "karma": "1.4.1",
    "karma-chrome-launcher": "2.0.0",
    "karma-cli": "1.0.1",
    "karma-coverage-istanbul-reporter": "0.2.0",
    "karma-jasmine": "1.1.0",
    "karma-jasmine-html-reporter": "0.2.2",
    "protractor": "5.1.0",
    "ts-node": "2.0.0",
    "tslint": "4.5.0",
    "typescript": "2.4.2"
  }
}

Answer 1

你的角度版本是4.4和ngx-管道角版本是5或更高.因此，安装ngx-管道的版本，是兼容您的角度项目。

查看node_modules/ngx/Package.json内部，以找到ngx版本。