Adding Angular CLI support to old Angular 2 app

Question

I have a project that was created a long time back without using Angular CLI tools. Recently, I've been trying to look at improving load performance within my app, and I wanted to see if I can use the optimization tools under CLI, so I installed it with npm. When trying to run the command "ng build" I get the following error: The build command requires to be run in an Angular project, but a project definition could not be found.

Does Angular CLI require the app to be created under the tool? I've been using package.json to define my angular app, but I see mentions of using angular.json for cli, do I need to modify the package.json file? Is there a way I can support the CLI module under my app?

Also see How to migrate an Angular Application that was not created with the Angular CLI — Christopher Peisert
– Christopher Peisert, Commented Sep 12, 2019 at 3:31

Noremac · Accepted Answer · 2019-09-11 20:37:37Z

2

The easiest method is to use Angular CLI to create a brand new application by running ng new your-app-name. Migrate your packages over to the newly generated package.json file. Delete the app module that was generated and use your existing app module.

answered Sep 11, 2019 at 20:37

Noremac

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1 Comment

user3334871 Over a year ago

Yeah, I've been researching that and it looks like my only go-to solution at the moment. Unfortunately, I created this app when I was new to Angular, so there are a lot of configuration steps I need

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