microsoft
@fluidframework/driver-utils
Utilities for driver implementations.
Using Fluid Framework libraries
When taking a dependency on a Fluid Framework library's public APIs, we recommend using a ^ (caret) version range, such as ^1.3.4.
While Fluid Framework libraries may use different ranges with interdependencies between other Fluid Framework libraries,
library consumers should always prefer ^.
If using any of Fluid Framework's unstable APIs (for example, its beta APIs), we recommend using a more constrained version range, such as ~.
Installation
To get started, install the package by running the following command:
npm i @fluidframework/driver-utilsImporting from this package
This package leverages package.json exports to separate its APIs by support level. For more information on the related support guarantees, see API Support Levels.
To access the public (SemVer) APIs, import via @fluidframework/driver-utils like normal.
To access the legacy APIs, import via @fluidframework/driver-utils/legacy.
API Documentation
API documentation for @fluidframework/driver-utils is available at https://fluidframework.com/docs/apis/driver-utils.
Minimum Client Requirements
These are the platform requirements for the current version of Fluid Framework Client Packages. These requirements err on the side of being too strict since within a major version they can be relaxed over time, but not made stricter. For Long Term Support (LTS) versions this can require supporting these platforms for several years.
It is likely that other configurations will work, but they are not supported: if they stop working, we do not consider that a bug. If you would benefit from support for something not listed here, file an issue and the product team will evaluate your request. When making such a request please include if the configuration already works (and thus the request is just that it becomes officially supported), or if changes are required to get it working.
Supported Runtimes
- NodeJs ^20.10.0 except that we will drop support for it when NodeJs 20 loses its upstream support on 2026-04-30, and will support a newer LTS version of NodeJS (22) at least 1 year before 20 is end-of-life. This same policy applies to NodeJS 22 when it is end of life (2027-04-30).
- Running Fluid in a Node.js environment with the
--no-experimental-fetchflag is not supported.
- Running Fluid in a Node.js environment with the
- Modern browsers supporting the es2022 standard library: in response to asks we can add explicit support for using babel to polyfill to target specific standards or runtimes (meaning we can avoid/remove use of things that don't polyfill robustly, but otherwise target modern standards).
Supported Tools
- TypeScript 5.4:
- All
strictoptions are supported. strictNullChecksis required.- Configuration options deprecated in 5.0 are not supported.
exactOptionalPropertyTypesis currently not fully supported. If used, narrowing members of Fluid Framework types types usingin,Reflect.has,Object.hasOwnorObject.prototype.hasOwnPropertyshould be avoided as they may incorrectly excludeundefinedfrom the possible values in some cases.
- All
- webpack 5
- We are not intending to be prescriptive about what bundler to use. Other bundlers which can handle ES Modules should work, but webpack is the only one we actively test.
Module Resolution
Node16, NodeNext, or Bundler resolution should be used with TypeScript compilerOptions to follow the Node.js v12+ ESM Resolution and Loading algorithm.
Node10 resolution is not supported as it does not support Fluid Framework's API structuring pattern that is used to distinguish stable APIs from those that are in development.
Module Formats
- ES Modules: ES Modules are the preferred way to consume our client packages (including in NodeJs) and consuming our client packages from ES Modules is fully supported.
CommonJs: Consuming our client packages as CommonJs is supported only in NodeJS and only for the cases listed below. This is done to accommodate some workflows without good ES Module support. If you have a workflow you would like included in this list, file an issue. Once this list of workflows motivating CommonJS support is empty, we may drop support for CommonJS one year after notice of the change is posted here.
- Testing with Jest (which lacks stable ESM support due to unstable APIs in NodeJs)
Contribution Guidelines
There are many ways to contribute to Fluid.
- Participate in Q&A in our GitHub Discussions.
- Submit bugs and help us verify fixes as they are checked in.
- Review the source code changes.
- Contribute bug fixes.
Detailed instructions for working in the repo can be found in the Wiki.
This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.
This project may contain Microsoft trademarks or logos for Microsoft projects, products, or services. Use of these trademarks or logos must follow Microsoft’s Trademark & Brand Guidelines. Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship.
Help
Not finding what you're looking for in this README? Check out fluidframework.com.
Still not finding what you're looking for? Please file an issue.
Thank you!
Trademark
This project may contain Microsoft trademarks or logos for Microsoft projects, products, or services.
Use of these trademarks or logos must follow Microsoft's Trademark & Brand Guidelines.
Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship.