Reference realm global in realm creation instructions

[domfarolino]

This is an editorial change to reference https://html.spec.whatwg.org/#concept-realm-global in the instructions we provide to the realm creation algorithm. Right now we just have plain text, but I think we're trying to reference the global object that is stored in the [[GlobalObject]] internal slot.

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/document-lifecycle.html ( diff )
/document-sequences.html ( diff )
/workers.html ( diff )
/worklets.html ( diff )

[domenic]

This doesn't seem quite right. What we're doing here is working around the fact that https://tc39.es/ecma262/#sec-initializehostdefinedrealm is a funky algorithm that doesn't take proper arguments, but instead uses the phrasing

7. If the host requires use of an exotic object to serve as realm's global object, let global be such an object created in a host-defined manner. Otherwise, let global be undefined, indicating that an ordinary object should be created as the global object.

8. If the host requires that the this binding in realm's global scope return an object other than the global object, let thisValue be such an object created in a host-defined manner. Otherwise, let thisValue be undefined, indicating that realm's global this binding should be the global object.

So we need to provide these "customizations" for step 7 and 8, which we do via "For the global object" and "For the this binding".

It's technically true that the provided customization will result in a global object that is the realm's relevant global. But that's not the concept we're trying to point at, here.

We could make this clearer, perhaps, by saying something like "The host-provided manner of creating the global object is to create a new Window object", instead of "For the global object, create a new Window object"?

[domfarolino]

Hmm, yeah I think your proposed sentence might be an improvement, however I was hoping to specifically link to something, but given the funkiness of the ES algorithm, maybe that's not doable without some clean-up over there. Since it doesn't seem like we can link to [[GlobalObject]], I was hoping we could link to the realm's relevant global since they point to the same thing, but I understand that that's indeed not the right way of phrasing these instructions.

In that case, I think I'll just close this.