Generated by SassMeister.com.

input.scss

$component-colors: (
    links-item-border: (
      default: links-item-border-default,
      ide: links-item-border-ide
    ),
    link-item-bg: (
      default: (
        light: link-item-bg-default-light,
        dark: link-item-bg-default-dark,
      ),
      ide: (
        light: link-item-bg-ide-light,
        dark: link-item-bg-ide-dark
      )
    )
);

@function get-color($args...){
    $color-map: map-deep-get($component-colors, $args);
    
    @if(type-of($color-map) != map) {
        @return $color-map;
    }
    
    // if it has `default` key, get it, otherwise return $color-map
    $color: map-get-default($color-map, default, $color-map);
    
    // if its still a map, get the `light` variant
    @if(type-of($color) == map) {
        @return map-get($color, light);
    }
    
    // if its not a map, then we are ready to return
    @return $color
}

@function map-deep-get($map, $keys, $default: null) {
  $value: $map;

  // Loop through every key except the last one, keeping track of each
  // corresponding value in the map
  @for $i from 1 to length($keys) {
    $key: nth($keys, $i);
    $value: map-get-default($value, $key, ());
  }

  // Return the value for the last key or a default value
  @return map-get-default($value, nth($keys, -1), $default);
}

@function map-get-default($map, $key, $default) {
  @return if(map-has-key($map, $key), map-get($map, $key), $default);
}

.thing {
    color-only: get-color(links-item-border);
    color-only-with-deep-map: get-color(link-item-bg);
    color-mode: get-color(link-item-bg, default);
    color-mode-ide: get-color(link-item-bg, ide);
    color-mode-variant: get-color(link-item-bg, default, light);
}

output.css

.thing {
  color-only: links-item-border-default;
  color-only-with-deep-map: link-item-bg-default-light;
  color-mode: link-item-bg-default-light;
  color-mode-ide: link-item-bg-ide-light;
  color-mode-variant: link-item-bg-default-light;
}

settings.json

{
  "sass": {
    "compiler": "dart-sass/1.26.11",
    "extensions": {},
    "syntax": "SCSS",
    "outputStyle": "expanded"
  },
  "autoprefixer": false
}