I'm trying to upgrade Angular from 16 to 17. The upgrade guide says: Make sure that you are using a supported version of TypeScript before you upgrade your application. Angular v17 supports TypeScript version 5.2 or later. However, Angular 16 requires TypeScript >=4.9.3 <5.2 and if I run npm install -D typescript@5.2 trying to install TypeScript 5.2 or later I get the error: npm warn Could not resolve dependency: npm warn peer typescript@">=4.9.3 <5.2" from @angular-devkit/build-angular@16.2.12 Therefore, TypeScript upgrade fails because Angular 16 doesn't support it. If I stay in my current TypeScript version and run ng update @angular/core@17 @angular/cli@17 I get the following error: Package "@angular-devkit/build-angular" has an incompatible peer dependency to "typescript" (requires ">=4.9.3 <5.2", would install "5.4.5"). ✖ Migration failed: Incompatible peer dependencies found. How do I get out of this situation? Continue reading...
