_image.scss

$image-map: () !default;

@function inline-image-store($attr, $value: null) {
    $selector: &;
    $map: ();
    $list: ();
    @if map-has-key($image-map, $attr) {
        $map: map-get($image-map, $attr);
        @if map-has-key($map, $value) {
            $list: map-get($map, $value);
        }
    }
    $list: append($list, $selector, comma);
    $map: map-merge($map, ($value: $list));
    $image-map: map-merge($image-map, ($attr: $map)) !global;
    @return null;
}

@mixin inline-images-flash() {
    $selectors: ();
    @each $attr, $map in $image-map {
        @each $value, $selector in $map {
            $attributes: ();
            @if map-has-key($selectors, $selector) {
                $attributes: map-get($selectors, $selector);
            }
            $attributes: map-merge($attributes, ($attr: $value));
            $selectors: map-merge($selectors, ($selector: $attributes));
        }
    }
    @each $selector, $attributes in $selectors {
        #{$selector} {
            @each $attr, $value in $attributes {
                @if $attr == content {
                    content: inline_image($value) !important;
                } @else if $attr == background {
                    background-image: inline_image($value) !important;
                } @else {
                    #{$attr}: $value;
                }
            }
        }
    }
    $image-map: () !global;
}