symfony/asset-mapper

Maps directories of assets & makes them available in a public directory with versioned filenames.

v8.1.0-BETA2 2026-05-13 12:23 UTC

Requires

• php: >=8.4.1
• composer/semver: ^3.0
• symfony/filesystem: ^7.4|^8.0
• symfony/http-client: ^7.4|^8.0

Requires (Dev)

• symfony/asset: ^7.4|^8.0
• symfony/browser-kit: ^7.4|^8.0
• symfony/console: ^7.4|^8.0
• symfony/event-dispatcher-contracts: ^3.0
• symfony/finder: ^7.4|^8.0
• symfony/framework-bundle: ^7.4|^8.0
• symfony/http-foundation: ^7.4|^8.0
• symfony/http-kernel: ^7.4|^8.0
• symfony/process: ^7.4|^8.0
• symfony/runtime: ^7.4|^8.0
• symfony/web-link: ^7.4|^8.0

MIT

• Fabien Potencier
• Symfony Community

README

The AssetMapper component allows you to expose directories of assets that are then moved to a public directory with digested (i.e. versioned) filenames. It also allows you to dump an importmap to allow writing modern JavaScript without a build system.

Resources

• Documentation
• Contributing
• Report issues and send Pull Requests in the main Symfony repository