Documentation Index
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Index of Aspect’s open-source Bazel projects: rulesets, the Aspect CLI, Gazelle generators, and shared utilities organized by language and category.
| Repository | Description |
|---|---|
| rules_py | High-performance Python rules with native uv integration, strict hermeticity, and optimized OCI image layer support. Drop-in replacements for py_binary, py_library, and py_test. |
| Repository | Description |
|---|---|
| rules_js | High-performance Bazel rules for JavaScript and Node.js using a pnpm-based package layout. The foundation of Aspect’s JS ecosystem. |
| rules_ts | Canonical Bazel rules for TypeScript, built on rules_js. Provides ts_project for transpilation and type-checking. |
| rules_swc | Bazel rules for the SWC Rust-based JavaScript compiler — Babel-compatible transformations at ~20× the speed. |
| rules_esbuild | Bazel rules for the esbuild bundler with a hermetic toolchain — no npm install required. |
| rules_webpack | Bazel rules for Webpack, for teams migrating from existing Webpack builds. |
| rules_rollup | Pure-Starlark Bazel rules for the Rollup bundler, compatible with the rules_js ecosystem. |
| rules_terser | Bazel rules for the Terser JavaScript minifier. |
| rules_jest | Bazel rules to run tests with the Jest test runner. |
| rules_jasmine | Bazel rules to run tests with the Jasmine test framework. |
| rules_cypress | Bazel rules to run end-to-end tests with Cypress. |
| rules_nodejs | Bazel rules for fetching the Node.js binary and @bazel/runfiles. Long-term maintained by Aspect under bazel-contrib. |
| Repository | Description |
|---|---|
| aspect-gazelle | Pre-compiled Gazelle binaries bundling BUILD file generators for Python, JavaScript & TypeScript, Go, Protobuf, C/C++, and Starlark, the Orion host for AXL-based custom generators, plus gitignore support, file-based caching, and Watchman-powered watch mode. See How to extend Gazelle. |
| Repository | Description |
|---|---|
| rules_lint | Runs linters and formatters as standard Bazel actions across 20+ tools (ESLint, Prettier, Ruff, gofmt, and more), with Remote Execution and Remote Cache support. See Linting & Formatting. |
| Repository | Description |
|---|---|
| rules_oci | Bazel rules for building OCI container images without Docker. Built by Aspect under bazel-contrib in collaboration with Google. |
| Repository | Description |
|---|---|
| bazel-examples | A polyglot reference monorepo demonstrating Bazel at scale across Go, Python, Java, JavaScript, Rust, Ruby, and more. Also the live test bed for Aspect’s CI integrations. |
| aspect-workflows-template | Source of truth for the project templates rendered by aspect init and published as the aspect-starters repositories. |
| aspect-starters | Per-language starter template repositories (go, js, py, java, kotlin, cpp, rust, ruby, scala, shell, minimal, kitchen-sink). Use GitHub’s “Use this template” button, or aspect init --preset <name>. |
| Repository | Description |
|---|---|
| aspect-cli | A programmable task runner built on top of Bazel. Supports custom tasks via the Aspect Extension Language (AXL) — a Starlark dialect. |
| Repository | Description |
|---|---|
| toml.bzl | A small Bazel library for consuming TOML files in repository rules, following the API convention of Bazel’s built-in json module. |
bazel-contribbazel-contrib org:
| Repository | Description |
|---|---|
| bazel-lib | Common utility rules and functions for writing Bazel rules in Starlark. Originally authored by Aspect; donated to bazel-contrib. |
| publish-to-bcr | Automation for publishing Bazel module releases to the Bazel Central Registry. Originally built by Aspect; donated to bazel-contrib. |
| Repository | Owner | Description |
|---|---|---|
| rules_apko | Chainguard | Bazel rules for apko — builds OCI images from APK packages without a Dockerfile. |
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