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(v6.0.x-dev) Replace @import with @use

Open on Drupal.org →
Created on 17 March 2024, 8 months ago
Updated 7 April 2024, 8 months ago

Problem/Motivation

from sass-lang.com:

Heads up!

The Sass team discourages the continued use of the @import rule. Sass will gradually phase it out over the next few years, and eventually remove it from the language entirely. Prefer the @use rule instead. (Note that only Dart Sass currently supports @use. Users of other implementations must use the @import rule instead.)

What’s Wrong With @import?

The @import rule has a number of serious issues:

@import makes all variables, mixins, and functions globally accessible. This makes it very difficult for people (or tools) to tell where anything is defined.

Because everything’s global, libraries must add a prefix to all their members to avoid naming collisions.

@extend rules are also global, which makes it difficult to predict which style rules will be extended.

Each stylesheet is executed and its CSS emitted every time it’s @imported, which increases compilation time and produces bloated output.

There was no way to define private members or placeholder selectors that were inaccessible to downstream stylesheets.

The new module system and the @use rule address all these problems.

🐛 Bug report
Status

Closed: won't fix

Version

6.0

Component

Code

Created by

🇺🇸United States amstercad

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