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codelaw

A linter and formatter whose rules are Markdown files — for JavaScript, TypeScript, Python, JSON, YAML, TOML, Markdown, CSS and HTML, alone or mixed.

One engine, two registries, identical output. The same native binary ships as codelaw on npm and on PyPI; neither needs the other.

Install

your repo	engine	rules for its languages
Node	`npm i -D codelaw`	`npx codelaw init` adds the `@codelaw/rules-*` packs
Python	`uv add --dev codelaw` or `pip install codelaw`	`codelaw init` adds the `codelaw-rules-*` packs

codelaw installed alone lints nothing until a rule pack is installed — it says so (codelaw/no-rules).

Rule packs — each registry carries the packs its users install:

registry	named	packs
npm	`@codelaw/rules-<name>`	`js` · `ts` · `react` · `node` · `stencil` · `html` · `css` · `data` · `tanstack-query` · `redux-toolkit`
PyPI	`codelaw-rules-<name>`	`js` · `react` · `html` · `css` · `python` · `data`

Use

codelaw check            # lint the project
codelaw fix              # apply the safe fixes
codelaw check --format json

Programmatic API — runs the bundled binary and returns its JSON report:

import { check, fix, format, rulesFor } from "codelaw";
const report = check(["src"]);
const rules = rulesFor("src/app.ts");

import codelaw
report = codelaw.check(["src"])
rules = codelaw.rules_for("app/main.py")

npm	Python	what it returns
`check(paths, options)`	`check(paths, …)`	`codelaw check --format json`
`fix(paths, options)`	`fix(paths, …)`	`codelaw fix --format json`; `unsafe`, `dryRun` / `dry_run`
`format(paths, options)`	`format(paths, …)`	`codelaw format --format json`; `check` writes nothing
`rulesFor(path)`	`rules_for(path)`	the rules that apply to one file, as `codelaw rules --for` lists them
`binaryPath()`, `platformKey()`	`binary_path()`	the bundled binary, and the platform key it was chosen by

Platforms

macOS arm64 and x64 · Linux x64 and arm64, glibc and musl · Windows x64 and arm64. Any other platform fails with an error naming these — codelaw never compiles from source at install time.

Licence

MIT — https://github.com/arpitarya/codelaw

Development Status
- 3 - Alpha
Environment
- Console
Intended Audience
- Developers
Programming Language
- Rust
Topic
- Software Development :: Quality Assurance

Metadata

Development Status
- 3 - Alpha
Environment
- Console
Intended Audience
- Developers
Programming Language
- Rust
Topic
- Software Development :: Quality Assurance

Release files for codelaw 0.2.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Loss of provenance

These files do not have provenance metadata, despite files in a prior release including this data.

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Built distributions (wheels)

Table of built distributions (wheels) for codelaw 0.2.0
File	Interpreter	ABI	Platform	Actions Reset
codelaw-0.2.0-py3-none-win_arm64.whl 10.4 MB Oct 29, 2026 Without provenance	Python 3	none	Windows ARM64	Details for codelaw-0.2.0-py3-none-win_arm64.whl
codelaw-0.2.0-py3-none-win_amd64.whl 11.1 MB Oct 29, 2026 Without provenance	Python 3	none	Windows x86-64	Details for codelaw-0.2.0-py3-none-win_amd64.whl
codelaw-0.2.0-py3-none-musllinux_1_2_x86_64.whl 10.8 MB Oct 29, 2026 Without provenance	Python 3	none	Linux musl 1.2+ x86-64	Details for codelaw-0.2.0-py3-none-musllinux_1_2_x86_64.whl
codelaw-0.2.0-py3-none-musllinux_1_2_aarch64.whl 10.1 MB Oct 29, 2026 Without provenance	Python 3	none	Linux musl 1.2+ ARM64	Details for codelaw-0.2.0-py3-none-musllinux_1_2_aarch64.whl
codelaw-0.2.0-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl 10.8 MB Oct 29, 2026 Without provenance	Python 3	none	Linux glibc 2.17+ x86-64	Details for codelaw-0.2.0-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
codelaw-0.2.0-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl 10.1 MB Oct 29, 2026 Without provenance	Python 3	none	Linux glibc 2.17+ ARM64	Details for codelaw-0.2.0-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl
codelaw-0.2.0-py3-none-macosx_11_0_arm64.whl 10.1 MB Oct 29, 2026 Without provenance	Python 3	none	macOS 11.0+ ARM64	Details for codelaw-0.2.0-py3-none-macosx_11_0_arm64.whl
codelaw-0.2.0-py3-none-macosx_10_12_x86_64.whl 10.6 MB Oct 29, 2026 Without provenance	Python 3	none	macOS 10.12+ x86-64	Details for codelaw-0.2.0-py3-none-macosx_10_12_x86_64.whl

Total release size: 84.1 MB