我最近用Visual Studio Code開發Angular項目時，打開app.component.ts， 就遇到如下的警告消息：

Experimental support for decorators is a feature that is subject to change in a future release. Set the ‘experimentalDecorators’ option in your ‘tsconfig’ or ‘jsconfig’ to remove this warning.ts(1219)

解決辦法：

在項目根目錄的tsconfig.json文件里，加入如下設置：

/*This is a "Solution Style" tsconfig.json file, and is used by editors and TypeScript’s language server to improve development experience.It is not intended to be used to perform a compilation.To learn more about this file see: https://angular.io/config/solution-tsconfig. */ {"files": [],"references": [{"path": "./tsconfig.app.json"},{"path": "./tsconfig.spec.json"}],"compilerOptions": {"experimentalDecorators":true,"emitDecoratorMetadata": true} }

關掉所有文件，進入Angular項目根目錄，code .重啟Visual Studio Code，錯誤消失：

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