/// <summary>
/// This method creates a <see cref="GCHandle"/> for a host object, converts it into a pointer, then
/// adds a 'before collect callback' passing that pointer. This callback will execute whenever the
/// JavaScript object is going to be garbage collected, which releases the host object GC handle,
/// allowing it to also be garbage collected should no external references exist.
/// </summary>
/// <param name="jsValue">The <see cref="JavaScriptValue"/> to add the before collect callback for.</param>
/// <param name="instance">The host object to link to the JavaScript object.</param>
/// <returns>The resulting pointer of the <see cref="GCHandle"/> for the host object.</returns>
public IntPtr Link <T>(JavaScriptValue jsValue, T instance)
{
var gcHandle = GCHandle.Alloc(instance, GCHandleType.Normal);
var ptr = GCHandle.ToIntPtr(gcHandle);
_scope.Run(() =>
{
JavaScriptContext.SetObjectBeforeCollectCallback(jsValue, ptr, _jsGcCollect);
});
return(ptr);
}