What is the best way to delete a component with CLI

destroy or something similar may come to the CLI, but it is not a primary focus at this time. So you will need to do this manually.

Delete the component directory (assuming you didn’t use --flat) and then remove it from the NgModule in which it is declared.

If you are unsure of what to do, I suggest you have a “clean” app meaning no current git changes. Then generate a component and see what is changed in the repo so you can backtrack from there what you will need to do to delete a component.

Update

If you’re just experimenting about what you want to generate, you can use the --dry-run flag to not produce any files on disk, just see the updated file list.

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