A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.
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renovate[bot] a124ea98d1
chore(deps): update dependency dprint to v0.50.0 (#6074)
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
2025-05-19 09:20:44 +02:00
.cargo fix(ci): missing codegen check (#3692) 2024-08-21 16:09:37 +01:00
.changeset feat(lint): implement noNestedComponentDefinitions rule (#6053) 2025-05-18 18:28:37 -04:00
.devcontainer chore: add codespace configuration (#5122) 2025-02-16 08:34:18 +01:00
.github chore(renovate): ignore rust in the github-actions group (#6073) 2025-05-19 11:20:07 +09:00
benchmark chore(deps): update dependency dprint to v0.50.0 (#6074) 2025-05-19 09:20:44 +02:00
crates feat(lint): implement noNestedComponentDefinitions rule (#6053) 2025-05-18 18:28:37 -04:00
e2e-tests fix(core): push ignore matches using their directories (#5494) 2025-03-28 17:17:27 +00:00
fuzz build: upgrade to Rust 2024 edition (#5224) 2025-03-02 10:18:47 +00:00
packages fix(deps): update @biomejs packages (#6071) 2025-05-19 11:19:02 +09:00
plugins chore: add dogfood plugin (#5355) 2025-03-14 23:21:05 +01:00
scripts ci: add script to correctly update packages during the release (#3423) 2024-07-15 10:37:59 +01:00
xtask fix(deps): update rust crate ascii_table to 4.0.7 (#6072) 2025-05-19 11:48:41 +09:00
.dockerignore Dockerised benchmark tool (#4494) 2023-05-21 12:22:26 +01:00
.editorconfig feat(migrate): migrate nursery rules (#2382) 2024-05-14 08:34:04 +01:00
.git-blame-ignore-revs chore: add #5236 to .git-blame-ignore-revs (#5238) 2025-03-02 12:56:35 +00:00
.gitattributes feat: better assist (#4508) 2024-11-27 16:36:13 +00:00
.gitignore test: add end-to-end tests (#5117) 2025-02-13 18:08:20 +01:00
biome.json refactor(lint): move useValidTypeof, noNamespaceImport, useNumericLit… (#6061) 2025-05-18 16:33:24 +02:00
Cargo.lock fix(deps): update rust crate ascii_table to 4.0.7 (#6072) 2025-05-19 11:48:41 +09:00
Cargo.toml chore(deps): update rust crate quickcheck_macros to 1.1.0 (#5972) 2025-05-12 08:07:22 +01:00
CHANGELOG.md ci: publish workflow via changesets (#5038) 2025-02-06 08:28:51 +00:00
CHANGELOG_v1.md chore: move changes to changesets (#5044) 2025-02-06 09:25:29 +00:00
clippy.toml chore: use Self where appropriate (#5699) 2025-04-18 10:36:57 +02:00
CODE_OF_CONDUCT.md chore: update contact method in CODE_OF_CONDUCT.md (#5752) 2025-04-23 14:37:21 -04:00
CONTRIBUTING.md chore: remove core contributor 2025-05-15 18:59:46 +01:00
Dockerfile.benchmark chore(deps): update rust:1.86.0 docker digest to 300ec56 (#5966) 2025-05-12 07:09:07 +01:00
GOVERNANCE.md docs: fix various typos (#6001) 2025-05-13 16:16:14 +01:00
justfile refactor(xtask): promote-rule to move-rule (#6057) 2025-05-18 14:36:27 +02:00
LICENSE-APACHE docs(LICENSE-APACHE): fill copyright placeholder (#1166) 2023-12-13 16:34:35 +01:00
LICENSE-MIT chore: tidy-up licenses (#3438) 2024-07-15 12:19:59 +01:00
package.json chore(deps): update dependency @changesets/cli to v2.29.4 (#6069) 2025-05-19 11:06:54 +09:00
pnpm-lock.yaml chore(deps): update dependency dprint to v0.50.0 (#6074) 2025-05-19 09:20:44 +02:00
pnpm-workspace.yaml ci: fix js API release workflow (#4151) 2024-10-01 16:35:29 +01:00
README.md chore: make README a symlink to the npm package README 2023-08-23 00:23:11 +02:00
RELEASES.md docs: add RELEASES.md document (#5674) 2025-04-15 09:12:50 +01:00
ROME_CHANGELOG.md docs(CHANGELOG): craete a new CHANEGLOG 2023-08-19 14:57:37 +02:00
rust-toolchain.toml chore(deps): update dependency rust to v1.86.0 (#5931) 2025-05-09 10:45:21 +09:00
rustfmt.toml chore: set 2024 as default Rustfmt style edition (#5528) 2025-03-31 17:36:48 +02:00
taplo.toml chore: move changes to changesets (#5044) 2025-02-06 09:25:29 +00:00


Biome is a performant toolchain for web projects, it aims to provide developer tools to maintain the health of said projects.

Biome is a fast formatter for JavaScript, TypeScript, JSX, JSON, CSS and GraphQL that scores 97% compatibility with Prettier.

Biome is a performant linter for JavaScript, TypeScript, JSX, CSS and GraphQL that features more than 270 rules from ESLint, typescript-eslint, and other sources. It outputs detailed and contextualized diagnostics that help you to improve your code and become a better programmer!

Biome is designed from the start to be used interactively within an editor. It can format and lint malformed code as you are writing it.

Installation

npm install --save-dev --save-exact @biomejs/biome

Usage

# format files
npx @biomejs/biome format --write ./src

# lint files and apply the safe fixes
npx @biomejs/biome lint --write ./src

# run format, lint, etc. and apply the safe fixes
npx @biomejs/biome check --write ./src

# check all files against format, lint, etc. in CI environments
npx @biomejs/biome ci ./src

If you want to give Biome a run without installing it, use the online playground, compiled to WebAssembly.

Documentation

Check out our homepage to learn more about Biome, or directly head to the Getting Started guide to start using Biome.

More about Biome

Biome has sane defaults and it doesn't require configuration.

Biome aims to support all main languages of modern web development.

Biome doesn't require Node.js to function.

Biome has first-class LSP support, with a sophisticated parser that represents the source text in full fidelity and top-notch error recovery.

Biome unifies functionality that has previously been separate tools. Building upon a shared base allows us to provide a cohesive experience for processing code, displaying errors, parallelize work, caching, and configuration.

Read more about our project philosophy.

Biome is MIT licensed or Apache 2.0 licensed and moderated under the Contributor Covenant Code of Conduct.

Funding

You can fund the project in different ways

Project sponsorship and funding

You can sponsor or fund the project via Open collective or GitHub sponsors

Biome offers a simple sponsorship program that allows companies to get visibility and recognition among various developers.

Issue funding

We use Polar.sh to up-vote and promote specific features that you would like to see and implement. Check our backlog and help us:

Sponsors

Platinum Sponsors

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Gold Sponsors

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Silver Sponsors

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Bronze Sponsors

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