DeviceUUID is not a constructor

[rufrajput]

can someone help with this error? I am facing this error while running a desktop app build with js, svelte and go.

[johnpaulmedina]

That is because you are importing and setting it as a variable so you would technically need to write new DeviceUUID.DeviceUUID().get()

[denisvitez]

I'm having the same issue with VueJS.

import { DeviceUUID } from "device-uuid";
let uuid = new DeviceUUID().get();

It works fine when running with npm run dev but fails when application is built with npm run build.

TypeError: deviceUuid.DeviceUUID is not a constructor

So if I do the following import:
import du from 'device-uuid'

And try to log the value of the object into the console
console.log("This is DU:", du);

I get the following:

npm run dev
This is DU: {DeviceUUID: ƒ}

npm run build
This is DU: {}

So basically as I can see nothing gets imported as du.

[yimingxie]

I'm having the same issue with VueJS.

import { DeviceUUID } from "device-uuid";
let uuid = new DeviceUUID().get();

It works fine when running with npm run dev but fails when application is built with npm run build.

TypeError: deviceUuid.DeviceUUID is not a constructor

So if I do the following import: import du from 'device-uuid'

And try to log the value of the object into the console console.log("This is DU:", du);

I get the following:

npm run dev This is DU: {DeviceUUID: ƒ}

npm run build This is DU: {}

So basically as I can see nothing gets imported as du.

Hey, man, I have the same problem. How did you solve it

[denisvitez]

I'm having the same issue with VueJS.

import { DeviceUUID } from "device-uuid";
let uuid = new DeviceUUID().get();

It works fine when running with npm run dev but fails when application is built with npm run build.
TypeError: deviceUuid.DeviceUUID is not a constructor
So if I do the following import: import du from 'device-uuid'
And try to log the value of the object into the console console.log("This is DU:", du);
I get the following:
npm run dev This is DU: {DeviceUUID: ƒ}
npm run build This is DU: {}
So basically as I can see nothing gets imported as du.

Hey, man, I have the same problem. How did you solve it

Hey,
I ended up dropping the library altogether and reworked the application by just using UUID - https://www.npmjs.com/package/vue-uuid. I then store this UUID in local storage and use it on subsequent session refreshes.

[devapurva]

This worked for me in react web app -

import DeviceUUID from "device-uuid";
var deviceUUID = new DeviceUUID.DeviceUUID().get();
console.log(deviceUUID)

[umrzoq-toshkentov]

So what's the solution on build?

[davidgs]

Make sure you are using import { DeviceUUID } from "device-uuid"; and not import DeviceUUID from "device-uuid"; as the latter will give you that error. DeviceUUID is, apparently, not the default export from device-uuid which causes this error.

[shifanpark]

So what's the solution on build?

@umrzoq-toshkentov Did you find any solution for this not working issue after build?

[umrzoq-toshkentov]

So what's the solution on build?

@umrzoq-toshkentov Did you find any solution for this not working issue after build?

not yet, seems to bee need to fix it.

[EdGaere]

I had the same problem.

It seems a solution has been found on StackOverflow, which worked for me.

In your vite.config.js, add the following to the configuration and then build as normal.

  build: {
      commonjsOptions: { include: [] },
    },
    optimizeDeps: {
      disabled: false,
    },

[phil-w]

Yeah that optimizeDeps disabling now says in bright yellow when production building with Vite/ Rollup/whatever:

(!) Experimental optimizeDeps.disabled and deps pre-bundling during build were removed in Vite 5.1.
   Setting it to false now has no effect.
   Please remove optimizeDeps.disabled from your config.

And... it doesn't fix it. I think I need a different solution.

[lamadelrae]

I have this error. Still no solution found.

[vladislav149]

Hi! I've fixed it like this:

let uuid = '';

if (process.env.NODE_ENV === 'development') {
  uuid = new DeviceUUID().get();
} else {
  uuid = DeviceUUID().get();
}

[davidgs]

If you'd prefer to have your uuid be a const:

const uuid = process.env.NODE_ENV === 'development' ? new DeviceUUID().get() : DeviceUUID().get();

Honestly I'm not sure why you'd want to make your uuid anything but a const if I think about it.

[vladislav149]

If you'd prefer to have your uuid be a const:

const uuid = process.env.NODE_ENV === 'development' ? new DeviceUUID().get() : DeviceUUID().get();
Honestly I'm not sure why you'd want to make your uuid anything but a const if I think about it.

You are absolute right! That's better.