how to fix "Cannot find module '@angular-devkit/schematics' "

Question

I am trying to update Angular. So I ran ng update --all from CMD in my Angular project that I created with vs-2015 and in return I got another error in my project:

Error TS2345 Argument of type '{ imports: typeof BrowserModule[]; declarations: typeof AppComponent[]; bootstrap: typeof AppComp...' is not assignable to parameter of type 'NgModule'.

Property 'true' is missing in type '{ imports: typeof BrowserModule[]; declarations: typeof AppComponent[]; bootstrap: typeof AppComp...'.

TypeScript Virtual Projects c:\users\lesibamo\documents\visual studio 2015\Projects\Angular4demo\Angular4demo\src\app\app.module.ts 6 Active

Amila Thennakoon · Accepted Answer · 2019-06-12 11:58:19Z

1

Delete your package-lock.json file
Delete Node node_modules folder in your angular project
open your command promt and navigate your Angular project folder, type npm update
Confirm the Angular version by ng --version
Run your project ng serve if update success the project should load without error

answered Jun 12, 2019 at 11:58

Amila Thennakoon

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Andrew Allen Over a year ago

this fixed migration to angular 9 where angular-devkit was only referenced in package-lock.json

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