React Bundle Size increases in Create React App

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After analyzing app in source-map-explorer 61.5% is been consumed by [no source] what is this no source in [No Source] 3.56 MB 61.5% in 0.chunk.js bundle?

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create-react-app webpack reactjs bundle javascript
1 Answers

It's because CRA generates source maps in default, in your package.json modify your build command like this : "build": "GENERATE_SOURCEMAP=false react-scripts build"

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