How to load a local js file into Observable?

Thanks! One more question if you’ll indulge me. Suppose my script file just exports one default value:

export default default_value

In observable I follow your suggestion by attaching the file and then doing

m = import(await FileAttachment("script.js").url())

in one cell and then

variable = m.default

in the next and all is well, I can go ahead and use variable in other cells.

Why can’t I do:

m = (import(await FileAttachment('script.js').url())).default

When I try this, I get m as undefined .

Here’s an example