
Bazel
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| Fact | Bazel | Rush |
|---|---|---|
| Extensibility | Users can write custom Bazel rules and macros in Starlark, a language that is a subset of Python. | Rush plugins can share configuration across monorepos, extend Rush features, and prototype features; the plugin framework is marked experimental. |
| Support | The documentation points users to community support channels including Slack and Stack Overflow, as well as an issue tracker. | Microsoft does not provide official support for Rush; the documentation points users to GitHub issues and a Rush Stack Zulip chat room for community help. |
| What it does | Bazel is an open-source tool for building and testing software across languages and platforms. | Rush is a scalable monorepo manager for JavaScript developers who build and publish many packages from a common Git repository. |
Bazel suits software teams working with large codebases, multiple compiled languages, multiple target platforms or extensive test suites. It may also fit projects that want cached builds and basic CI failure signaling.
Rush is intended for JavaScript developers consolidating many projects or packages into one repository, including large teams maintaining large repositories. It suits teams that need coordinated builds and package releases.