@use 'sass:string';
@use 'sass:map';
@use '../config' as *;

/// Add the prefix value to a CSS custom properties.
/// @param {string} $var - The name of the CSS custom property.
/// @return {string} - The CSS custom property with the prefix.
/// @throws {error} - If the CSS custom property name is invalid.
@function get-css-variable($var) {
  @if string.index($var, --) != 1 {
    @error 'It seems that this is not a valid CSS custom property name.';
  }

  @return var(string.insert($var, '#{$internal-prefix}', 3));
}