【问题标题】:Angular export not found找不到角度导出
【发布时间】:2020-10-30 11:46:33
【问题描述】:

您好,我已经更新了我的角度依赖项。现在我收到以下错误。

ERROR in D:/AffiliateShop/angular8-springboot-client/node_modules/@angular/platform-browser/__ivy_ngcc__/fesm2015/platform-browser.js 4409:15-24
"export 'ɵAPP_ROOT' was not found in '@angular/core'
ERROR in D:/AffiliateShop/angular8-springboot-client/node_modules/@angular/common/__ivy_ngcc__/fesm2015/common.js 3530:4-16
"export 'ɵLOCALE_DATA' was not found in '@angular/core'
ERROR in D:/AffiliateShop/angular8-springboot-client/node_modules/@angular/common/__ivy_ngcc__/fesm2015/common.js 3532:8-20
"export 'ɵLOCALE_DATA' was not found in '@angular/core'
ERROR in D:/AffiliateShop/angular8-springboot-client/node_modules/@angular/platform-browser/__ivy_ngcc__/fesm2015/platform-browser.js 4218:23-38
"export 'ɵ_sanitizeStyle' was not found in '@angular/core'
ERROR in D:/AffiliateShop/angular8-springboot-client/node_modules/@angular/common/__ivy_ngcc__/fesm2015/common.js 7351:12-27
"export 'ɵlooseIdentical' was not found in '@angular/core'
ERROR in D:/AffiliateShop/angular8-springboot-client/node_modules/@angular/common/__ivy_ngcc__/fesm2015/common.js 4381:8-23
"export 'ɵɵallocHostVars' was not found in '@angular/core'
ERROR in D:/AffiliateShop/angular8-springboot-client/node_modules/@angular/common/__ivy_ngcc__/fesm2015/common.js 4382:8-17
"export 'ɵɵstyling' was not found in '@angular/core'
ERROR in D:/AffiliateShop/angular8-springboot-client/node_modules/@angular/common/__ivy_ngcc__/fesm2015/common.js 6167:8-17
"export 'ɵɵstyling' was not found in '@angular/core'
ERROR in D:/AffiliateShop/angular8-springboot-client/node_modules/@angular/common/__ivy_ngcc__/fesm2015/common.js 4386:8-22
"export 'ɵɵstylingApply' was not found in '@angular/core'
ERROR in D:/AffiliateShop/angular8-springboot-client/node_modules/@angular/common/__ivy_ngcc__/fesm2015/common.js 6171:8-22
"export 'ɵɵstylingApply' was not found in '@angular/core'
** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **

这是我的 Package.json

{
  "name": "angular-wiegmann",
  "version": "0.0.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "~10.0.3",
    "@angular/cdk": "^9.0.1",
    "@angular/common": "~10.0.3",
    "@angular/compiler": "~10.0.3",
    "@angular/core": "~10.0.3",
    "@angular/forms": "~10.0.3",
    "@angular/localize": "~10.0.3",
    "@angular/material": "^10.0.1",
    "@angular/platform-browser": "~10.0.3",
    "@angular/platform-browser-dynamic": "~10.0.3",
    "@angular/router": "~10.0.3",
    "@fortawesome/fontawesome-free": "^5.13.1",
    "@fullcalendar/core": "^5.1.0",
    "@fullcalendar/daygrid": "^5.1.0",
    "@ng-bootstrap/ng-bootstrap": "^7.0.0",
    "@types/chart.js": "^2.9.22",
    "angular-bootstrap-md": "^9.3.1",
    "animate.css": "^4.1.0",
    "bootstrap": "^4.4.0",
    "chart.js": "^2.9.3",
    "font-awesome": "^4.7.0",
    "hammerjs": "^2.0.8",
    "mdbootstrap": "^4.19.1",
    "ng-material-multilevel-menu": "^4.12.2",
    "ng-quill": "^4.5.3",
    "primeicons": "^4.0.0",
    "primeng": "^9.1.3",
    "quill": "^1.3.7",
    "rxjs": "~6.6.0",
    "tslib": "^2.0.0",
    "zone.js": "~0.10.2"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "~0.1000.1",
    "@angular/cli": "~10.0.1",
    "@angular/compiler-cli": "~10.0.3",
    "@types/node": "^14.0.20",
    "@types/jasmine": "~3.5.0",
    "@types/jasminewd2": "~2.0.3",
    "codelyzer": "^6.0.0",
    "jasmine-core": "~3.5.0",
    "jasmine-spec-reporter": "~5.0.0",
    "karma": "~5.0.0",
    "karma-chrome-launcher": "~3.1.0",
    "karma-coverage-istanbul-reporter": "~3.0.2",
    "karma-jasmine": "~3.3.0",
    "karma-jasmine-html-reporter": "^1.5.0",
    "protractor": "~7.0.0",
    "ts-node": "~8.10.2",
    "tslint": "~6.1.0",
    "typescript": "~3.9.6"
  }
}

导致此问题的错误是什么。它发生在我对所有组件进行 npm 更新之后。我不知道这个问题的原因是什么。我现在使用的是 Angular 10 和 cdk 9。现在我的应用程序不再启动了。

【问题讨论】:

标签: javascript node.js angular compiler-errors package.json


【解决方案1】:

您是如何更新依赖项的?

您需要执行 ng update @angular/core @angular/cli 来更新所有 Angular 核心依赖项。

另外,我猜你看到这个问题是因为 @angular/cdk 和 @angular/material 之间的主要版本不匹配

为避免此类情况,请始终利用角度示意图并执行:: ng update @angular/material

ng update @angular/material 将同时更新cdk 和material 以确保兼容性。

请按照Angular update guidelines页面中提供的指南了解更多信息。

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