bug#28448: 26.0.50; js-mode missing some functions for imenu

[Dmitry Gutov]

On 05.02.2021 13:19, Lars Ingebrigtsen wrote:
> Tom Tromey <tom@tromey.com> writes:
>
> > Consider this pared-down but relatively normal js file:
> >
> > ================================================================
> > function StyleSheetEditor(styleSheet, win, file, isNew, walker, highlighter) {
> > }
> > StyleSheetEditor.prototype = {
> >      get unsaved() {
> >      },
> >      updateLinkedStyleSheet: function () {
> >      },
> >      checkLinkedFileForChanges: function () {
> >         this.unsaved().updateLinkedStyleSheet();
> >      },
> > }
> > ================================================================
> >
> > Here it would be great to have imenu entries for "unsaved" and
> > "updateLinkedStyleSheet".
> >
> > Currently js-mode doesn't find these.
>
> I tried this in Emacs 26.1 (and on the trunk), and
>
> M-x imenu RET StyleSheetEditor RET TAB
>
> gave me
>
>
>
> So the only thing it didn't find was the "unsaved"?  So I guess the
> problem here is that js--imenu-create-index doesn't know the "get" thing
> in JS prototypes?

Also see bug#41676 which mentions more modern constructs which js-mode's 
imenu doesn't handle.