MatToolbar与Angular 9一起使用时会引发错误 [英] MatToolbar throws error when using it with Angular 9

问题描述

Angular版本9.2.0

Angular version 9.2.0

当我将MatToolbarModule导入模块并在html模板中使用它时，会出现以下错误消息:

When I import the MatToolbarModule in a module and use it in the html template, then I get the following error message:

这很可能意味着ngcc未正确处理声明MatToolbarModule的库(@ angular/material/toolbar)，或与Angular Ivy不兼容.检查是否有较新版本的库，如果有，则进行更新.还可以考虑与图书馆的作者进行核对，以查看该图书馆是否与Ivy兼容.

This likely means that the library (@angular/material/toolbar) which declares MatToolbarModule has not been processed correctly by ngcc, or is not compatible with Angular Ivy. Check if a newer version of the library is available, and update if so. Also consider checking with the library's authors to see if the library is expected to be compatible with Ivy.

8 export declare class MatToolbarModule {
                       ~~~~~~~~~~~~~~~~
src/app/angular-material.module.ts:53:14 - error NG6002: Appears in the NgModule.imports of ComponentsModule, but itself has errors

有人遇到同样的问题吗?

Does anyone face the same issue?

推荐答案

在package.json和npm install中添加以下特定配置.

Add below specific configuration in package.json and npm install.

{
  "scripts": {
    "postinstall": "ngcc"
  }
}

参考: https://angular.io/guide/ivy#speeding- up-ngcc-compilation

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