Consistently quote Sass modules strings

Fixes #11053.

changelog_unreleased/scss/11461.md

@@ -0,0 +1,42 @@
+<!--
+
+1. Choose a folder based on which language your PR is for.
+
+   - For JavaScript, choose `javascript/` etc.
+   - For TypeScript specific syntax, choose `typescript/`.
+   - If your PR applies to multiple languages, such as TypeScript/Flow, choose one folder and mention which languages it applies to.
+
+2. In your chosen folder, create a file with your PR number: `XXXX.md`. For example: `typescript/6728.md`.
+
+3. Copy the content below and paste it in your new file.
+
+4. Fill in a title, the PR number and your user name.
+
+5. Optionally write a description. Many times it’s enough with just sample code.
+
+6. Change ```jsx to your language. For example, ```yaml.
+
+7. Change the `// Input` and `// Prettier` comments to the comment syntax of your language. For example, `# Input`.
+
+8. Choose some nice input example code. Paste it along with the output before and after your PR.
+
+-->
+
+#### Consistently quote Sass modules strings (#11461 by @niksy)
+
+<!-- Optional description if it makes sense. -->
+
+<!-- prettier-ignore -->
+```scss
+// Input
+@use "sass:math";
+@forward "list";
+
+// Prettier stable
+@use "sass:math";
+@forward "list";
+
+// Prettier main
+@use 'sass:math';
+@forward 'list';
+```

src/language-css/parser-postcss.js

@@ -525,7 +525,7 @@ function parseNestedCSS(node, options) {
         return node;
       }
 
-      if (lowercasedName === "import") {
+      if (["import", "use", "forward"].includes(lowercasedName)) {
         node.import = true;
         delete node.filename;
         node.params = parseValue(params, options);

tests/format/scss/quotes/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,34 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`quotes.scss - {"singleQuote":true} format 1`] = `
+====================================options=====================================
+parsers: ["scss"]
+printWidth: 80
+singleQuote: true
+                                                                                | printWidth
+=====================================input======================================
+@use "module";
+@forward "module";
+
+=====================================output=====================================
+@use 'module';
+@forward 'module';
+
+================================================================================
+`;
+
+exports[`quotes.scss format 1`] = `
+====================================options=====================================
+parsers: ["scss"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+@use "module";
+@forward "module";
+
+=====================================output=====================================
+@use "module";
+@forward "module";
+
+================================================================================
+`;

tests/format/scss/quotes/jsfmt.spec.js

@@ -0,0 +1,2 @@
+run_spec(__dirname, ["scss"]);
+run_spec(__dirname, ["scss"], { singleQuote: true });

tests/format/scss/quotes/quotes.scss

@@ -0,0 +1,2 @@
+@use "module";
+@forward "module";