use elm with meteor without a meteor package

main.js

// startup/client/main.js
import { Meteor } from 'meteor/meteor';

import '/elm-client/elm-main';

Meteor.startup(() => {
    const app = Elm.Main.init({
        node: document.getElementById('elm-root'),
        flags: {},
    });
});

package.json

{
    ...
    "scripts": {
            "watch-elm": "sh ./private/watchelm.sh"
        ...
    },
    ...
    "meteor": {
        "mainModule": {
            "client": "startup/client/main.js",
            ...
        }
    }

}
        

watchelm.sh

// private/watchElm.sh

cd elm-client

while inotifywait -e close_write -r src
do
    clear
    sleep 0.2
    echo "\n"
    elm make --debug src/Main.elm --output=elm-main.js
    echo "\n"
done