Get "SyntaxError: Cannot use import statement outside a module" when attempting to import a class in Jasmine spec file

Question

As an exercise I decided to create a little vanilla JavaScript game using ES6 syntax that runs in the browser. The program works fine.

I'd like to test it using Jasmine. However, whenever I try to perform an import e.g.

import Deck from "../Deck.js";

Deck.js starts:

export default class Deck {

I get error SyntaxError: Cannot use import statement outside a module.

Things I've done:

Installed node v13.0.1 - I thought this version of node allowed es6 modules.
Installed jasmine and initialized node ./node_module/jasmine/bin/jasmine init
Run node ./node_module/jasmine/bin/jasmine - works fine without imports
Run node --experimental-modules ./node_module/jasmine/bin/jasmine - doesn't work with imports
Tried require instead of import: const Deck = require('../Deck.js'); - SyntaxError: Unexpected token 'export'

How do I get jasmine to work with imports? At the moment I cannot include any files to test !

I'm sure I've gone about this the wrong way, but i just want some cmd line tests.

What directory location is your jasmine file in? Is your jasmine spec file in the module? Have you added a specRunner.html file? — Remy, Oct 24 '19 at 20:28

score 0 · Answer 1 · answered Jul 19 '20 at 20:16

Follow the offical guide from Babel at https://babeljs.io/setup#installation

Then choose one of the options from this solution: https://stackoverflow.com/a/59399717/673351

Personally, I have renamed my spec files to have the mjs extension becaue I would like ot use the LTS (currently 12) version of node.

1 Answers1