The new Create React Apps is basically a combination of three tools — Webpack (asset-building tool), Babel (JS compiler), and ESLint (code-linting tool).
Facebook writes on its blog:
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An important point mentioned in the announcement is that Create React App doesn’t lock you down, allowing you to use many other tools of React and JS ecosystem.
While this tool is open source, the decision to provide no configuration options in the tool might upset some people. However, the same open source nature lets you apply any post-customization, once the app completes its configuration.
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