less转scss

• @x 转$x
• 去掉~
• @{x}变成#{$x}

$prefix: 'prefix-';
$properties: 'width', 'height', 'background-color';

@each $property in $properties {
  .element {
    #{$prefix}#{$property}: 100px;
  }
}

.element {
  prefix-width: 100px;
}

.element {
  prefix-height: 100px;
}

.element {
  prefix-background-color: 100px;
}