fix(command/generate): directive selector should be camelcase

[0x-r4bbit]

Generating a directive using:

$ ng g directive my-directive

Generates a directive that looks like this:

@Directive({
  selector: 'my-directive',
  providers: [],
  host: {},

})
class MyDirective {}

There are a two things that need a fix IMO:

1. directive selectors should be camelcase, so instead of my-directive I should get myDirective
2. providers and host are not necessarily needed maybe we can simply remove those?
3. If we can't remove them, then the trailing comma and newline should be at least removed

[Brocco]

This will be included with the style-guide alignment PR I'm working on, so keep an eye out for that.

When running ng g directive myDir the selector should be myDir
However when running ng g directive my-dir should the selector be my-dir or myDir
my suggestion would be for my-dir

Furthermore if I run ng g directive mySiLyDiRECTiveName should the selector be mySiLyDiRECTiveName

//CC @IgorMinar @johnpapa

[johnpapa]

good question ... not sure. mySillyDirectiveName would be ideal .... but I think it is very reasonable to make it mySiLyDiRECTiveName

[johnpapa]

I agree with all of @PascalPrecht 's points too.

[Brocco]

For the initial I will implement it as what you provide as the argument will be the selector used in the directive this way the dev can explicitly decide on what the name will be.

[0x-r4bbit]

@Brocco tbh I haven't thought of simply doing ng g directive camelCase. This would totally do it.

[Brocco]

@PascalPrecht correct, but the current version will output the dasherized name see here

[0x-r4bbit]

Oh then I misunderstood this. Thought this was already the case. Then I'm looking forward to this! :)

[Brocco]

If you want you can play with the branch I'm working on should have the full PR ready in the next few days

https://github.com/Brocco/angular-cli/tree/style-guide

[Brocco]

This issue has been addressed via PR #427 selectors for directives will not adjust the name entered via the CLI (i.e. ng g directive FoObAr will have a selector: FoObAr)

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