Using electrodb with a dependency injection pattern

[bush]

Lets say we have a class and we want to design it with testing in mind. I'd like to pass an Entity as a dependency:

// foo.ts
class Foo{
  private entity: Entity<any, any, any, any>
  constructor(entity: Entity<any, any, any, any>) {
    this.entity = entity;
  }
}

const entity = new Entity(...);
const foo = new Foo(entity);

Is there a better way of doing this? If someone wants to do this they would throw away the strong type checking ... I'm open to suggestions here ...

[tywalch]

Can you go into a bit more detail about your use-case? I think even with a type of Entity<any, any, any, any> you're still likely to run into cases where you'll need // @ts-ignore to use private entity

[tywalch]

Essentially what I am trying to do is hide your library behind an interface. I want to write adapters that implement my interface for other databases as well.

For sure, this is definitely ideal!

Given everything you said, I think your facade class needs to know actual entity it is accepting, not just a generic entity. Fortunately this is simple, here's an example using the playground:

https://electrodb.fun/?#code/JYWwDg9gTgLgBAbzgUQHY2DAngGjgZQFMoA3YAY0LgF84AzKCEOAIkIBtDyZGATAIxYBuAFAjyEVAGd4MAIb9OcALyssEAK5QA+vMWFtqOSELCxE6fAAqEXhBVxUhAO4p0mLAAoRcRD99wILYcAFx+AQGE7thhLDC2ECw4-hEkxFLAkrEAjEkpAVLEZJSx8lIA1nJgYCz51MkRcjA8wPwaMIRSYQj5vsC83b0B2GCEsTJQwKgA5nkRvvVDqBAdg-PDWKPjLTNz63BQhACOGsCHA3A8GoRDi+vkh02EvACCMGv7I2OsqBog-MQ9uteIQ6HINOx3nBPABKFQAPjgABEngA6ZbOWENfYAehxcHIclQy3gAMCtmAdGAzzgcjoHSgBMeHV4Q18j14AHlUOwsGErjd1nd5howLwnq8oT19pdNt8WL9-oDses8XBnE1yAALejQAlaonTTqXexErC05qTNodNnqzVa2IAKiB8zVhXg5C0h3Ql1AnXk4HVWqicFF4pZtvdYVhCORaIxWNtILBEKhMeUiJRHXREExMJV8w53N5-Kg1wLCzqBamIIAHp0PhEyuUuuF9mByo39lSOBcWB2XfcmJAMqs4ABtAC6tuF6wqXfWPfYfYqg-mEnAEFH33HLH6LGnMuotwLx4W2KQeiUx5hohEXzgNjsaAw2AcXwgdEfCTvD6fEAASQ6ZhVGlOB+jCCYpmmURfBJb4oJmURj3vOVvzsAAFRgyBBABhZlCE5MAMEkKQHDAiC4EQmD-HgyCdholCpgZMFKHQiB8HiKA5CNLCIBw4g2weQgnk8CBiMyaQwn-PiBPwkSOiIkjpBhMI+JAYBCgAHn-IDCBAeFkLEB9kE4bhGCRAAhf9OOgHjCIk0jyP8KJXz5diXw8IzxHYOQpDI0yuB4CArJsrj7PA8BOBMdAyLCuzeOw-pBJ6fw1QAuADTSRx7BEqRzQ1c14jgEEpAeVoqBgYNZVGfwwEmEgnhNOxpISTzsDvXwLAmDRuGgMTHKklAzOC0KEls7ijSUySpDhMDfCqzTUXiOwHHE5SpFRVyvLgfwUN8PysFQcgmQUwgBo21rMKSvCCOm0i5vybr4CQeC8H6Gg1sGqRYICZ6Dk6VMHDkDVMEuLUlpWiBUWE0TXpWQh3t4GgYVRaYIFhX7fHyQ4YC0VAAakVNUXDORfuPFD-qhiaItUJxXEC8yQus8bwqNTwEG2mJ2OoW9jNZhLCBhgiOcogBybIACYAGYxbwOi4DF0AwGi1z6AUrRCDF3mhCAA

[bush]

Hey thats not bad! I think I can work with that! I noticed you didn't inject the client into the Todo Entity. Does it automatically create one? I guess thats the tricky part if I wanted to pass in the database client as a parameter I wouldn't be able to do that in this example.

[tywalch]

I do pass it in, on line 89!

[bush]

Oh shoot I missed that. My humble appologies.

[tywalch]

No worries, I hope this helps!