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I am trying to exclude unused momentjs locales using webpack. I have tried both 3 ways below:

1- moment-locales-webpack-plugin

new MomentLocalesPlugin({
    localesToKeep: ["en"]
  })

2- ContextReplacementPlugin

 new webpack.ContextReplacementPlugin(/moment[\/\\]locale$/, /en/)

3- ignorePlugin

new webpack.IgnorePlugin(
  /^\.\/locale$/,
  /moment$/
});

But, none of these methods work for me and all locales still exist in final bundle. My webpack version is 4.28.2. And I am using moment-js v 2.23.

I am trying to exclude unused momentjs locales using webpack. I have tried both 3 ways below:

1- moment-locales-webpack-plugin

new MomentLocalesPlugin({
    localesToKeep: ["en"]
  })

2- ContextReplacementPlugin

 new webpack.ContextReplacementPlugin(/moment[\/\\]locale$/, /en/)

3- ignorePlugin

new webpack.IgnorePlugin(
  /^\.\/locale$/,
  /moment$/
});

But, none of these methods work for me and all locales still exist in final bundle. My webpack version is 4.28.2. And I am using moment-js v 2.23.

• javascript
• webpack
• momentjs

Share Improve this question Follow asked Feb 20, 2019 at 14:38 Hadi RanjbarHadi Ranjbar 1,81244 gold badges2424 silver badges4444 bronze badges 2

• Check this: github./moment/moment/issues/2517#issuement-393704231 – Prerak Sola Commented Feb 20, 2019 at 14:44
• @SergeK. That's my first solution. – Hadi Ranjbar Commented Feb 20, 2019 at 14:53

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1 Answer 1

Sorted by: Reset to default 5

new webpack.ContextReplacementPlugin(/moment[\/\\]locale$/, /en/)

There is no 'en' locale in moment.js; that's why it loads all of them. Try /en-gb/ if you need only English.

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