fix: remove exported importer function

As discussed in code review, this is more the responsibility of the
consumer, as `sass-loader/dist/utils.js` already exports all the
necessary functionality.

package.json

@@ -77,7 +77,6 @@
     "css-loader": "^4.2.0",
     "del": "^5.1.0",
     "del-cli": "^3.0.1",
-    "enhanced-resolve": "^4.3.0",
     "eslint": "^7.6.0",
     "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-import": "^2.21.2",

src/utils.js

@@ -273,6 +273,21 @@ const isSpecialModuleImport = /^~[^/]+$/;
 // `[drive_letter]:\` + `\\[server]\[sharename]\`
 const isNativeWin32Path = /^[a-zA-Z]:[/\\]|^\\\\/i;
 
+/**
+ * Create the resolve function used in the custom Sass importer.
+ *
+ * @param {Object} implementation - The imported Sass implementation, both
+ *   `sass` (Dart Sass) and `node-sass` are supported.
+ * @param {Function} resolverFactory - A factory function for creating a Webpack
+ *   resolver. The resulting `resolve` function should be compatible with the
+ *   asynchronous resolve function supplied by [`enhanced-resolve`]{@link
+ *   https://github.com/webpack/enhanced-resolve}.
+ *   If using this utility outside of `sass-loader` in an attempt to mimic the
+ *   Sass importer that `sass-loader` uses, you'll likely want to pass
+ *   `resolve.create()` from `enhanced-resolve`, or a wrapped copy of it.
+ * @param {string[]} [includePaths] - The list of include paths passed to Sass.
+ * @param {boolean} [rootContext] - The configured Webpack root context.
+ */
 function getWebpackResolver(
   implementation,
   resolverFactory,