That seems too dogmatic. Does the fact that Foo has a static function that knows how to create its dependencies disqualify the class from being a case of DI?

    class Foo {
      private nowFn: () => Date;

      constructor(nowFn: () => Date) {
        this.nowFn = nowFn;
      }
    
      doSomething() {
        console.log(this.nowFn());
      }

      static create(opts: { nowFn?: () => Date } = {}) {
        return new Foo(opts.nowFn ?? (() => new Date()));
      }
    }