angular - Angular 10. 无法读取未定义的属性“标志”

Question

Angular 10 应用程序

当我尝试构建应用程序时

**ng build**

我得到下一个错误

ERROR in Cannot read property 'flags' of undefined

ng --version

@angular-devkit/architect         0.901.0
@angular-devkit/build-angular     0.1000.3
@angular-devkit/build-optimizer   0.1000.3
@angular-devkit/build-webpack     0.1000.3
@angular-devkit/core              10.0.3
@angular-devkit/schematics        10.0.3
@angular/cdk                      7.3.7
@angular/cli                      10.0.3
@ngtools/webpack                  10.0.3
@schematics/angular               10.0.3
@schematics/update                0.1000.3
rxjs                              6.6.0
typescript                        3.9.6
webpack                           4.43.0

我尝试删除node_modules、package.lock.json和npm install。但这无济于事。

Answer 1

使用以下版本：

@angular/cli 1.7.3
Typescript ~2.6.2