Angularアプリが組み込まれたASP.NET Coreプロジェクトがあります。プロジェクトを.NET Core 3.0リリースに更新した後、問題が発生しました。ASP.NETCoreプロジェクトのビルド中に、出力に2つのエラーが表示されます。
1>------ Build started: Project: Portal, Configuration: Debug Any CPU ------
1>C:\Program Files (x86)\Microsoft SDKs\TypeScript\3.6\lib.es2015.iterable.d.ts(41,6): error TS2300: Build:Duplicate identifier 'IteratorResult'.
1>D:\Solution\MyProject\ClientApp\node_modules\@types\node\index.d.ts(73,11): error TS2300: Build:Duplicate identifier 'IteratorResult'.
1>MyProject -> D:\Solution\MyProject\bin\Debug\netcoreapp3.0\Portal.dll
1>Done building project "Portal.csproj".
========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========
package.json:
{
"name": "client-app",
"version": "0.0.0",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build",
"test": "ng test",
"lint": "ng lint",
"e2e": "ng e2e",
"build-dev": "ng build --configuration=development"
},
"private": true,
"dependencies": {
"@angular/animations": "^8.2.2",
"@angular/cdk": "~8.1.3",
"@angular/common": "~8.2.0-next.1",
"@angular/compiler": "~8.2.0-next.1",
"@angular/core": "~8.2.0-next.1",
"@angular/forms": "~8.2.0-next.1",
"@angular/platform-browser": "~8.2.0-next.1",
"@angular/platform-browser-dynamic": "~8.2.0-next.1",
"@angular/router": "~8.2.0-next.1",
"core-js": "^2.5.4",
"primeflex": "^1.0.0-rc.1",
"primeicons": "^1.0.0",
"primeng": "^8.0.1",
"rxjs": "~6.5.2",
"tslib": "^1.9.0",
"zone.js": "~0.9.1"
},
"devDependencies": {
"@angular-devkit/build-angular": "~0.801.1",
"@angular/cli": "~8.1.1",
"@angular/compiler-cli": "~8.2.0-next.1",
"@angular/language-service": "~8.2.0-next.1",
"@types/node": "~8.9.4",
"@types/jasmine": "~2.8.8",
"@types/jasminewd2": "~2.0.3",
"codelyzer": "^5.0.1",
"jasmine-core": "~2.99.1",
"jasmine-spec-reporter": "~4.2.1",
"karma": "~4.0.0",
"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",
"protractor": "~5.4.0",
"ts-node": "~7.0.0",
"tslint": "~5.11.0",
"TypeScript": "3.4.5"
}
}
tsconfig.json:
{
"compileOnSave": false,
"compilerOptions": {
"baseUrl": "./",
"downlevelIteration": true,
"outDir": "./dist/out-tsc",
"sourceMap": true,
"declaration": false,
"module": "esnext",
"moduleResolution": "node",
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"importHelpers": true,
"target": "es2015",
"typeRoots": [
"node_modules/@types"
],
"lib": [
"es2018",
"dom"
]
}
}
私が試したこと:
私はこの問題に数回直面しました。 @wkkhondkarの推奨する方法を使用して問題を解決できた後、SPAに対してng run serveコマンドを実行してサーバーを停止するのを忘れたことが問題の原因であることに気づきました。