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#formatting (10)

Cheat sheets (10)

@biomejs/biome — Rust-based unified linter + formatter

Package-level reference for @biomejs/biome on npm — install, single-binary toolchain replacing prettier+eslint, Node support, and alternatives.
npm package linting formatting tooling

prettier — Opinionated code formatter

Package-level reference for prettier on npm — install variants, v3 ESM-only switch, plugin model (Tailwind, Astro, etc.), Node support, and alternatives.
npm package formatting tooling

black — The Uncompromising Python Formatter

Package-level reference for black on PyPI — install variants, version policy, the [d] and [jupyter] extras, and how it relates to ruff format.
pip package formatting code-quality

pygments — Syntax Highlighter Library

Package-level reference for Pygments on PyPI — install, version policy, lexers, formatters, and the pygmentize CLI it ships.
pip package syntax-highlighting formatting docs

ruff — Rust-Powered Python Linter & Formatter

Package-level reference for ruff on PyPI — install variants, fast-moving version policy, and how a single binary subsumes flake8, isort, pyupgrade, and black.
pip package linting formatting code-quality

pygmentize — Syntax highlighter CLI from Pygments

Highlight source code from the command line — many lexers, many output formats.
cli pygments syntax-highlighting formatting

Biome — One toolchain for lint, format, and import sorting

Rust-based all-in-one linter and formatter for JS/TS/JSON/CSS/GraphQL. Single binary, single config, 10-100x faster than ESLint+Prettier.
javascript biome linting formatting tooling

Prettier

Opinionated code formatter for JS/TS/CSS/HTML/JSON/Markdown. Covers config options, .prettierignore, VS Code integration, ESLint compatibility, lint-staged, and CI usage.
javascript prettier formatting tooling

black — Python Code Formatter

Format Python code consistently with black. Covers installation, configuration, editor integration, and how it compares to ruff format.
python black formatting code-quality tools

ruff — Fast Linter & Formatter

Lint and format Python code with ruff — a single Rust-powered tool that replaces flake8, isort, and black. Covers configuration, rule selection, and CI usage.
python ruff linting formatting code-quality tools