Electrolysis compatibility shims doesn't work with evalInSandbox

Question

We have a rather old XUL extension which we want to make sure works with Electrolysis. We will eventually migrate it to the WebExtensions API, but for now we want to use the com

Answer 1

Your sandboxPrototype is wrong, you are setting it to the nsIDOMWindow, set it to the aNSIDOMWindow.gBrowser.tabContainer.childNodes[tab_index_goes_here].contentWindow

see this example on mdn: https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XPCOM/Language_Bindings/Components.utils.Sandbox#Example

also here is how to load in a script as file rather then doing evalInSandbox:

https://github.com/Noitidart/modtools