How to refresh all TOCs via a script?

Question

I would like a script to update all tables of content in my document. I tried

var t = app.activeDocument.tocStyles;  
for (var i=0; i<t.length; i++) {   
  app.activeDocument.createTOC(t[i],true);  
}

as suggested here, but for those TOC styles I do not uses it creates a new story. So, how can I figure out whether a TOC style is actually used? I know I can loop over all stories and check whether their storyType is StoryTypes.TOC_STORY, but I haven't figured out how to determine which TOC style that story then uses or how to refresh specifically that story. I even considered using

app.menuActions.item("$ID/UpdateTableOfContentsCmd").invoke();

which would just use the menu action (which sounds like something to avoid), but in that case I fail due to the action being inactive - I must change the selection somehow first, but app.select(story) fails due to an invalid data type...

Answer 1

Ok, here's my "solution" so far, unfortunately relying on using menuActions:

function updateTOCs() {
    var stories = app.activeDocument.stories;
    for(var i=0; i < stories.length; i++) {
        var story = stories[i]
        if(story.storyType != StoryTypes.TOC_STORY)
            continue;
        story.textContainers[0].select()
        app.menuActions.item("$ID/UpdateTableOfContentsCmd").invoke();
    }
}