Leveraging universal SCSS variables within an AstroJS endeavor

Hello, I'm a beginner when it comes to using AstroJS. In my project structure, there is a folder named styles inside the src folder. Inside this folder, there is a file called global.scss where I have defined some global SCSS variables in HEX format:



/* SCSS HEX */
$aquamarine: #44ffd1ff;
$pomp-and-power: #8d6a9fff;
$space-cadet: #1a1b41ff;
$argentinian-blue: #5da9e9ff;
$burnt-sienna: #ee6c4dff;

In my project, I also have an index page located within the layouts folder. My question is, how can I access these global SCSS variables in my pages or layout components? Initially, I tried importing the global.scss file at the top of my component like this:

import '../styles/global.scss';

However, when attempting to use the color variables defined in global.scss, it seems that they are not working as expected. I thought I could simply utilize these variables in my style tags like so: background-color: $aquamarine;

Answer №1

Within the realm of Astro v4.x.x, every component's scss styles operate as their unique main.scss. Should you establish variables globally, they cannot be utilized in each Astro component's styles.

The most optimal solution I have discovered is to define your variables in a separate file. Let's refer to this file as _variables.scss

$variable1: #44ffd1ff;
...

Subsequently, import the file wherever necessary.

global.scss

@use "path/to/your/variables/_variables.scss"

AstroComponent.astro

---
---

<style lang="scss">
@use "path/to/your/variables/_variables.scss"
</style>

<div></div>

Note that the file must be imported into your

<style lang="scss">
tag. If it is imported into your front matter, it will not function correctly.

Answer №2

If you're also using AstroJS with SCSS, I have a solution that might work for you. In the global.scss file, make sure to declare variables using custom property names that start with a double hyphen (--), similar to normal CSS variables rather than SCSS variables. Additionally, define these custom properties within the :root pseudo-class to ensure they can be applied globally:

/* global.scss */

    :root {
        --gold: #b59241;
        --gold-light: #d9c596;
        --gray-light: #f4f4f4;
    }

After importing your global.scss file as usual into your Astro component, layout, or page between the --- code fences, you can then add style tags and access the global variables using var():

---
/* Header.astro */
                    
import '../styles/global.scss';
---
            
<style>
.navbar {
 height: 37px;
 display: flex;
 justify-content: center;
 align-items: center;
 background: var(--gray-light);
}
<style>
                
                
<nav role="navigation" class="navbar" aria-label="Primary">
...
</nav>

Lastly, don't forget to incorporate the .scss and .sass preprocessor package into your Astro project by running:

npm add -D sass

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