Using .js file within .mjs file NodeJS

Question

I am more familiar using require() to load CommonJS files into my code. A library I am trying to use requires .mjs file so I am trying to get it to work. I thought it was relatively straight forward but I ran into an issue that I don't know what it is to even search it up.

In my GoogleHomeNotification.js file I have my app defined with 3 seperate functions. Within the same file

App.broadcast("Broadcasting a message");

or any other .js file I can use

const ax = require("../objects/GoogleHomeNotification.js");
ax.broadcast("Test");

Now in my test.mjs file I have

import * as GoogleNotification from "../objects/GoogleHomeNotification.js"
GoogleNotification.broadcast("Test");

and when I try to compile and run it, I get

TypeError: GoogleNotification.broadcast is not a function.

A nudge in the right direction of what I should be learning/searching for would be greatly appreciated!

GoogleHomeNotification.js:

var App = {
    playin: false,
    DeviceIp: "",
    OriginalVolume: .5,
    Player: null,
    GoogleHome: function (host, url, callback) {},
    run: function (ip, text) {},
    broadcast: function(text){}
};
module.exports = App;

EDIT: Node version 14.15.4

What were they thinking? Couldn't import just have been a synonym for require in the interim. :( The .mjs thing bytes my bits. — Shanimal
– Shanimal, Commented Aug 6, 2024 at 20:22

Xuan-Hung Trinh · Accepted Answer · 2021-01-06 21:51:37Z

1

This should work

import { default as GoogleNotification } from "../objects/GoogleHomeNotification.js";

Or if you dont need the alias, then just use

import App from "../objects/GoogleHomeNotification.js";

answered Jan 6, 2021 at 21:51

Xuan-Hung Trinh

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2 Comments

97WaterPolo Over a year ago

I don't need the alias for right now so the second option works, but I am curious as to why the original import didn't? Thank you by the way!

Xuan-Hung Trinh Over a year ago

That is because when you use import * from... you import the whole module. Your export statement is equivalent to export default App; So if you want, you should use it like this GoogleNotification.default.broadcast("message");

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