Moment: v2.25.1 - Can't resolve './locale'

Created on 6 May 2020 · 8Comments · Source: moment/moment

Describe the bug
When I build my React application, the build fails with an error.

./node_modules/moment/src/lib/locale/locales.js
Module not found: Can't resolve './locale' in '/Users/raravi/Programming/gitprojects/sudoku/node_modules/moment/src/lib/locale'

To Reproduce
Steps to reproduce the behavior:

Add moment.js to a React application.
Run npm start in the terminal
Should see error pasted above.

Expected behavior
The React application should build without any errors from moment.

Desktop (please complete the following information):

OS: MacOS 10.15.4
Browser Brave 1.8.86

Moment-specific environment

The time zone setting of the machine the code is running on
The time and date at which the code was run
Other libraries in use (TypeScript, Immutable.js, etc)

Please run the following code in your environment and include the output:

console.log((new Date()).toString())
Wed May 06 2020 03:57:24 GMT+0200 (Central European Summer Time)
console.log((new Date()).toLocaleString())
06/05/2020, 03:57:24
console.log((new Date()).getTimezoneOffset())
-120
console.log(navigator.userAgent)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.129 Safari/537.36
console.log(moment.version)
2.25.1

Source

raravi

Most helpful comment

I have the same issue with my vue app. Also moved back to. 2.24.x

chaim0m on 7 May 2020

👍2

All 8 comments

We are having very similar problem since yesterday. Nothing changed on our end but the release of moment-2.25.2. We know see warnings like

WARNING in ./node_modules/moment/src/lib/locale/locales.js
Module not found: Error: Can't resolve './locale' in '/app/node_modules/moment/src/lib/locale'
 @ ./node_modules/moment/src/lib/locale/locales.js
 @ ./node_modules/moment/src/lib/locale/locale.js
 @ ./node_modules/moment/src/moment.js

The real problem is our UI generates a lot of errors

jinzishuai on 6 May 2020

👍1

I come back to version 2.24.0 to fix this error

Jerome2606 on 6 May 2020

👍1

@Jerome2606 I've done the same, for now.

raravi on 6 May 2020

I have the same issue with my vue app. Also moved back to. 2.24.x

chaim0m on 7 May 2020

👍2

I used moment @ 2.25.3 without warning.

Alanscut on 8 May 2020

👍1

I'm using NextJS and I had to downgrade to 2.24.0 because I was not able to load other locales.
I tried almost everything with the require("/moment/locale/xxx") and the webpack plugin ContextReplacementPlugin from this example. I don't see any errors but it just does not load with this code :
javascript moment.locale(lang); momentTZ.updateLocale(lang, moment.localeData()._config); momentTZ.locale(lang);