Prettier@PrettierCode

Opinionated Code Formatter. JavaScript · TypeScript · Flow · JSX · JSON · CSS · SCSS · Less · HTML · Vue · Angular · GraphQL · Markdown · YAML · PHP · XML

 Based in Greece
prettier.io
Joined October 2017
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Thanks to Mocha for the $5,000 donation! We really appreciate it. 🙏 mochajs.org/blog/2026-commun…

2026 Community Sponsorships

Today, we are happy to announce that Mocha will be donating $5,000 each to four different community projects, for a total of $20,000 donated to the modern JavaScript community.

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If you’re interested in learning more about the new CLI, check out prettier.io/blog/2023/11/30/… by @fabiospampinato

Prettier's CLI: A Performance Deep Dive · Prettier

Hey, I'm Fabio and I've been contracted by the Prettier team to speed up Prettier's command line interface (CLI). In this post we'll take a look at the optimizations I've discovered, the process that...

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Prettier 3.6 has been released! This release includes experimental fast CLI and new OXC and Hermes plugins! prettier.io/blog/2025/06/23/…

Prettier 3.6: Experimental fast CLI and new OXC and Hermes plugins! · Prettier

This release includes several important feature additions that we're excited to share with you.

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Prettier 3.5 has been released! This release includes objectWrap option, experimentalOperatorPosition option, and TS config file support! Please read our blog post for more details. prettier.io/blog/2025/02/09/…

Prettier 3.5: New objectWrap option, experimentalOperatorPosition option and TS config file...

This release includes a lot of bug fixes and the following new features:

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Prettier 3.4 has been released! This release includes numerous bug fixes and other improvements. prettier.io/blog/2024/11/26/…

Prettier 3.4: A lot of bug fixes · Prettier

This release includes numerous bug fixes and other improvements.

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Prettier 3.3.3 has been released. This release includes support for new let declaration syntax for @angular ! github.com/prettier/prettier…

prettier/CHANGELOG.md at main · prettier/prettier

Prettier is an opinionated code formatter. Contribute to prettier/prettier development by creating an account on GitHub.

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So many of you asked for Prettier swag, thanks to a collab with @syntaxfm, you can now buy limited edition Prettier tshirts! $10 per tshirt goes to maintain the project. sentry.shop/products/syntax-…
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Prettier 3.3 has been released. This release includes support for new @flowtype features. All of these features were implemented by the engineers on the Flow team, thank you! prettier.io/blog/2024/06/01/…

Prettier 3.3: New Flow features and a lot of bug fixes · Prettier

This release includes support for new Flow features such as component and hook declarations. All of these features were implemented by the engineers on the Flow team, thank you.

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We're now on GitHub Sponsors! Adding to our OpenCollective, this is a new way to support our work on Prettier. 🛠️❤️ Whether on OpenCollective or GitHub Sponsors, every contribution helps us improve. Thank you for your continued support! 🙌 github.com/sponsors/prettier

Sponsor @prettier on GitHub Sponsors

Prettier uses donations to pay 2 maintainers $1500/month and one-off work such as improving CLI performance by 10x!

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Prettier 3.2 has been released. This release includes new features such as adding a JSONC parser, adding @angular’s ICU expressions, and many bug fixes. prettier.io/blog/2024/01/12/…

Prettier 3.2: Support JSONC and Angular’s ICU expression · Prettier

This release includes new features such as adding a JSONC parser, adding Angular’s ICU expressions, and many bug fixes.

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As part of the performance push for prettier, @fabiospampinato rewrote the CLI to be MANY TIMES FASTER! You can try it out now and read the deep dive into all the optimizations: prettier.io/blog/2023/11/30/…

Prettier's CLI: A Performance Deep Dive · Prettier

Hey, I'm Fabio and I've been contracted by the Prettier team to speed up Prettier's command line interface (CLI). In this post we'll take a look at the optimizations I've discovered, the process that...

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We setup a $20k bounty for a rust-based compatible printer with prettier. We're so excited that @biomejs did it! This will kick start a healthy competition to improve the performance of JavaScript code formatters which will improve everyone's experience. prettier.io/blog/2023/11/27/…

$20k Bounty was Claimed! · Prettier

Prettier, a JavaScript code formatter, has seen an incredible adoption thanks to its careful handling of the very, very, long tail of ways people can write code. At this point, the formatting logic...

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Also see the blog post by @RattrayAlex about `--experimental-ternaries`: prettier.io/blog/2023/11/13/…

A curious case of the ternaries · Prettier

Ternary formatting has always been a challenge, and we're finally addressing it in v3.1.0 with the introduction of a novel formatting style.

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We just released Prettier 3.1! This release includes improvements to ternary operators formatting, a new `--experimental-ternaries` option, and support for @angular v17's Control Flow Syntax: prettier.io/blog/2023/11/13/…

Prettier 3.1: New experimental ternaries formatting and Angular control flow syntax! · Prettier

This release adds indentation back to nested ternaries along with a new --experimental-ternaries flag to try a more novel "curious ternary" format that scales better to deeply nested conditionals. We...

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We have released Prettier 3.0.3. This release includes several bug fixes and support for TypeScript 5.2 `using` / `await using` syntax. github.com/prettier/prettier…

Release 3.0.3 · prettier/prettier

🔗 Changelog

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We're excited to announce that Prettier 3.0 was released on July 5th! This release includes many bug fixes, new features and breaking changes. See the release blog for more details. prettier.io/blog/2023/07/05/…

Prettier 3.0: Hello, ECMAScript Modules! · Prettier

We are excited to announce the release of the new version of Prettier!

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We just released Prettier 2.8.5. This release includes support for TypeScript 5.0. github.com/prettier/prettier…

Release 2.8.5 · prettier/prettier

Support TypeScript 5.0 🔗 Changelog

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We just released Prettier 2.8. This release includes support for TypeScript 4.9 satisfies operator and improvements to the --cache CLI option! prettier.io/blog/2022/11/23/…

Prettier 2.8: improve --cache CLI option and TypeScript 4.9 satisfies operator! · Prettier

This release includes improvements to the --cache option added in 2.7. A new --cache-location option has been added, and a bug that saved the cache even when --write wasn't specified has been fixed.

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Prettier 3.0.0-alpha.0 is now available! The main changes in this version are improvements to the plugins interface. - Support ESM plugins - Support async parsers - etc... If you are a plugin developer, please try this version and send us your feedback! github.com/prettier/prettier…

Release 3.0.0-alpha.0 · prettier/prettier

Highlights Support plugins in ESM Support config files in ESM Support plugins with async parsers Breaking changes [BREAKING] The minimal required Node.js version is v14 [BREAKING] All public API...

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We just released Prettier 2.7. This release includes a new --cache CLI option. This could dramatically improve CLI performance. We've also added support formatting for TypeScript 4.7 syntax! prettier.io/blog/2022/06/14/…

Prettier 2.7: new --cache CLI option and TypeScript 4.7 syntax! · Prettier

This release includes a new --cache CLI option. Enabling this option will use some attributes as cache keys and format files only if they have changed. This could dramatically improve CLI performance.

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