<===> input.scss
@import "hey1.css", "cookie.css", url("hey2.css"), "fudge.css";

$foo:"goodbye";
div[name="hello"] {
  color: blue;
}

@import "bludge.css";
<===> output.css
@import url(hey1.css);
@import url(cookie.css);
@import url("hey2.css");
@import url(fudge.css);
@import url(bludge.css);
div[name="hello"] {
  color: blue;
}

<===> output-dart-sass.css
@import "hey1.css";
@import "cookie.css";
@import url("hey2.css");
@import "fudge.css";
@import "bludge.css";
div[name=hello] {
  color: blue;
}