Placeholder support for `depRules`.

[rainerhahnekamp]

At the moment, depRules only supports wildcards — for example:

'domain:*': ['sameTag']

For use cases involving nested tags, such as:

• domain:booking:ui
• domain:holidays:ui
• domain:shop:ui

it would be helpful to define rules like:

depRules: {
  'domain:<domain>:ui': ['domain:<domain>:model']
}

In addition, it would make sense to expose those placeholders to the function-based alternative as well:

depRules: {
  'domain:<domain>:ui': ({ placeholders }) => {
    console.log(placeholders.domain);
    // return allowed tags programmatically
  }
}

This would make complex, domain-driven setups more expressive and easier to maintain.

[rainerhahnekamp]

@michaelbe812 what are your thoughts on that?

[michaelbe812]

@rainerhahnekamp
I really like the idea. It will simplify the configuration for depRules as already mentioned and also reduce some cognitive load.