CRA bundles dependencies and project code in one single JS file

[pSnehanshu]

Earlier create-react-app used to produce separate JS files for the node_modules code and the project code. In a recent project, I noticed that only one script is included in the index.html and it contains both vendor code and project code. When did this change happen? Can we switch back to the old behaviour because I would like my users to cache the dependencies for a longer period as they don't change very frequently?

Example of a new combined script. main.64f0e964.js.zip

[ephraimduncan]

You can check out code splitting from the React Docs. https://reactjs.org/docs/code-splitting.html