CODEWITHSUNDEEP
node.jswebpack
vitaly-t
vitaly-t

Reputation: 25890

Detecting in code when it was packaged by Webpack

When packaging our Node.js application, we change some underlying folder structure, so the paths need to be adjusted at run-time, and the app simply needs to know whether or not it was packaged via webpack.

What is the easiest/best approach with Webpack to tell a Node.js app that it was packaged?

Upvotes: 0

Views: 84

Answers (1)

vitaly-t
vitaly-t

Reputation: 25890

This worked well eventually...

In webpack.config.js:

plugins: [  
    new webpack.DefinePlugin({
      PACKAGED: true
    })

And then in the Node.js code:

function isPackaged() {
    return typeof PACKAGED !== 'undefined' && !!PACKAGED;
}

During packaging, webpack replaces such code with:

function isPackaged() {
    return "boolean" !== 'undefined' && !!true;
}

So we get false when running unpackaged code, and true after it was packaged.

Upvotes: 1

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