2023-03-01 20:46:05 +01:00
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---
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title: Dart Sass is in Beta
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author: Natalie Weizenbaum
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tags: blog
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2023-03-03 16:39:31 +01:00
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date: 2017-06-05 13:00:00 -8
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2023-03-01 20:46:05 +01:00
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---
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Last weekend was [three days long](https://en.wikipedia.org/wiki/Memorial_Day)
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and the weather in Seattle was gorgeous. Contrary to stereotype, spring here is
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often characterized by bright sunny days that aren't too hot, and on days like
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that I love to curl up on the armchair in my living room and write some code.
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This weekend, that meant finishing up the last few outstanding `@extend` bugs,
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finally **making Dart Sass fully sass-spec compatible**[^1].
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[^1]:
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Technically there are still two specs marked as "TODO". These test UTF-16
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support, which is currently [blocked on Dart
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support](https://github.com/dart-lang/sdk/issues/11744).
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This is the milestone we've decided would mark the transition from alpha to beta
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releases of Dart Sass. Dart Sass 1.0.0-beta.1 is up now on npm, pub, and
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Chocolatey, and I encourage people to start trying it out in their own
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applications. We've fixed all the bugs we know about, so now we need our
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diligent users to find the rest of them and [tell
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us](https://github.com/sass/dart-sass/issues/new)!
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## Next Steps: Ruby Sass
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There are a number of [intentional behavior
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differences](https://github.com/sass/dart-sass#behavioral-differences-from-ruby-sass) between
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Dart Sass and the existing implementations. All of these differences are things
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we think improve the language, and many of them have also made Dart Sass much
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easier to implement, but we recognize that they can make migration more
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difficult. That's why our next priority is updating Ruby Sass by deprecating old
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behavior or adding new behavior, as necessary.
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Our long-term compatibility goal is to ensure, as much as possible, that **if a
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stylesheet compiles without warnings on Ruby Sass, it will also work with Dart
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Sass**. So a substantial portion of our effort in the near future be spent on
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ensuring [all the compatibility
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issues](https://github.com/sass/sass/labels/Dart%20Sass%20Compatibility) are
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fixed. Once that's done, we'll release those changes as part of Ruby Sass 3.5.
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## Next Steps: Dart Sass
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On the Dart front, we have [a number of
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issues](https://github.com/sass/dart-sass/milestone/1) outstanding that we want
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to resolve before we release a stable version of 1.0.0. The majority of these
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issues are focused on one thing: compatibility with the node-sass `render()`
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API. This will make it easy to integrate Dart Sass into existing JS ecosystem
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tools and workflows, since anything that works with node-sass will automatically
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work with Dart Sass as well.
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## Try It Out
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As with all Dart Sass releases, 1.0.0-beta.1 is available on many platforms.
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Give it a try on whichever is easiest for you:
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- Standalone tarballs are [available on
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GitHub](https://github.com/sass/dart-sass/releases/tag/1.0.0-beta.1), which
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you can just download and run from the command line.
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- [Chocolatey](https://chocolatey.org) users on Windows can just run `choco
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install sass --pre` (or `choco upgrade sass --pre` if you already have it).
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- You can get the pure-JavaScript version from npm by running `npm install -g
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dart-sass`.
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- Or if you're a Dart user, you can run `pub global activate sass`.
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I'm very pleased to have 1.0.0-beta.1 tagged and out in the world, but the work
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of a language maintainer is never done. I'm back to work, and if I hustle,
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hopefully I'll be writing about 1.0.0-rc.1 soon!
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