Re: [w3c/webcomponents] document.currentScript from a script in a shadow tree. (#477)

> Also, this would mean that if the executing script does anything within the parent, like call a function, it exposes the shadow tree in a rather trivial matter.

I see. That would cause an unintentional leak by calling a function such as:

var script;
void f() {
  script = document.currentScript;
  //...
}

I thought that we should let DocumentOrShadowRoot have currentScript, however, I am afraid that would not help at all. In most cases, the script need to get the script element without any reference to its shadow root.


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