What are the advantages of importing variables from components?

Let's start with some context. Our primary sass file is named main.scss, which mainly imports other scss files.

/* ==========================================================================
                                    Base
   ========================================================================== */

@import "base/colors";
@import "base/variables";
@import "base/typography";
@import "base/layout";
@import "base/font-icons";
@import "base/base";
@import "base/ie-fixes";

Additionally, we import components from outside the styles folder as part of our component-based development strategy. This means that each component has its own bundle containing .js, .html, and .scss files within a folder.

Now comes the question. Let's say we have a component called /account. Within the account.scss file, we are utilizing variables from styles/base/variables. If I include

@import "../../styles/base/variables"
in the account.scss file, it may lead to duplicating code in the sass output, especially if there are both variable and rule declarations in variables.scss or colors.scss.

One solution could be to separate out rule declarations into a different file, leaving only variable declarations in the variables.scss file. This way, we can import the file without worrying about duplication.

The main question remains: what benefit does importing variable declarations bring to account.scss aside from documentation purposes?

I hope this explanation is clear enough. Feel free to ask any further questions for clarification.

Answer №1

You've already discovered the solution to your question:

Why not separate colors, rules, and variable declarations into distinct files? This way, you can easily import them without redundancy.

In my opinion, it's essential to segregate mixins, functions, and variables – and most importantly, keep them separate from the output generation. This approach enables smooth importing of modules or individual parts of your SCSS code wherever needed.

As an illustration:

/setup
    _variables.scss
    _functions.scss
    _mixins.scss
    ...
    _module.scss
/global
    _base.scss
    _layout.scss
    _typography.scss
    _helpers.scss
    ...
    _module.scss
/components
    _slideshow.scss
    _pagination.scss
    _widgets.scss
    ...
    _module.scss

main.scss

Each _module.scss within a subfolder should be structured like this:

/* setup/_modules.scss */
@import 'variables';
@import 'functions';
@import 'mixins';

The contents of main.scss would resemble this:

/* main.scss */
@import 'setup/module';
@import 'global/module';
@import 'components/module';

Regarding your query about the benefits of importing: that depends on your specific application. If multiple components share the same color scheme, importing a single _colors.scss file can help enhance efficiency and maintain DRY (Don't Repeat Yourself) principles.

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