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Creating TypeScript classes where static properties are automatically available as instance prope...

I have been trying this meta-programming puzzle for a while now, and could not manage to create an ergonomic solution with clean api surface. Maybe some experts around here have a good solution?

Problem:

I am trying to configure class instance properties through static properties. The child class should have its static properties of type

Foo

Foo

Foo

Foo also available as instance properties, with the generic type of

T

T of

Foo

Foo

Foo

Foo.

In javascript I can make this work, no problem, but the challenge is here is making it type safe.

Expected outcome:

class Foo<T> {}

class Base {
  constructor() {
    // this is where the magic happens
  }
}

class Child extends Base {
  static someValue = new Foo<string>();

  constructor() {
    super();
    this.someValue; // string
  }
}

class Foo<T> {}

class Base {
  constructor() {
    // this is where the magic happens
  }
}

class Child extends Base {
  static someValue = new Foo<string>();

  constructor() {
    super();
    this.someValue; // string
  }
}

class Foo<T> {}

class Base {
  constructor() {
    // this is where the magic happens
  }
}

class Child extends Base {
  static someValue = new Foo<string>();

  constructor() {
    super();
    this.someValue; // string
  }
}

class Foo<T> {}

class Base {
  constructor() {
    // this is where the magic happens
  }
}

class Child extends Base {
  static someValue = new Foo<string>();

  constructor() {
    super();
    this.someValue; // string
  }
}

Creating TypeScript classes where static properties are automatically available as instance prope...

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