{some const} is declared in a module script and will not be reactive

[OJFord]

Describe the bug

#5847 added a warning when module variables are used reactively in non-module script.

This warning is triggered even if the variable is const. (And used reactively together with non-const variables, presumably!)

Reproduction

<script context="module">
export const doFoos = (a, b, c) => [a, b, c];
export const foo = 123;
</script>

<script>
export let bar;

$: foobar = doFoos(foo, bar, null);
</script>

Logs

(!) Plugin svelte: "doFoos" is declared in a module script and will not be reactive
(!) Plugin svelte: "foo" is declared in a module script and will not be reactive

System Info

System:
    OS: Linux 5.13 Arch Linux
    CPU: (4) x64 Intel(R) Core(TM) i3-8100 CPU @ 3.60GHz
    Memory: 4.66 GB / 15.56 GB
    Container: Yes
    Shell: 5.1.8 - /bin/bash
  Binaries:
    Node: 16.6.0 - /usr/bin/node
    Yarn: 1.22.11 - /usr/bin/yarn
    npm: 7.20.3 - /usr/bin/npm
  Browsers:
    Firefox: 90.0.2

Severity

annoyance