Add more description to ng generate subcommands

[hydroper]

Which @angular/* package(s) are relevant/related to the feature request?

No response

Description

Some newcomers like me didn't know what happens when I run ng g component whatever and ng g service whatever:

The description is too vague and you get confused at first what these commands do to the file system and how they name the API item and the component selector, so can you add a little more detail to --help?

Proposed solution

Add more detail:

• ng g component --help (<name>)
  • Generates a directory at name. The last portion of name is the selector (or API item name), adding a app- prefix by default.
• ng g service --help (<name>)
  • Generates a service and its spec at name (not at a new directory).

Alternatives considered

N/A

[JeanMeche]

Hi, could you point us to which description your are talking about ? The cli --help ?

[hydroper]

@JeanMeche Yeah, updated!

[JeanMeche]

@hydroper Let me transfer this to the CLI repo 👍

[santoshyadavdev]

Hey @alan-agius4 do we know what message we want to add, I can take this up.

[santoshyadavdev]

Hello @JeanMeche @alan-agius4
I am getting Cannot find module '/workspaces/angular-cli/lib/packages.js' imported from /workspaces/angular-cli/.ng-dev/commit-message.mjs I see there is packages.ts file inside lib bit not js, is there any extra step which I am missing to convert this to js?

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