use directories for structure

node_modules/minify/lib/img.js

@@ -8,7 +8,9 @@ const fromString = promisify(require('css-b64-images').fromString);
 
 const ONE_KB = 2 ** 10;
 
-const maxSize = 100 * ONE_KB;
+const defaultOptions = {
+    maxSize: 100 * ONE_KB,
+};
 
 /**
  * minify css data.
@@ -16,16 +18,20 @@ const maxSize = 100 * ONE_KB;
  *
  * @param name
  * @param data
+ * @param userOptions - (optional) object that may contain an `img` key with an object of options
  */
-module.exports = async (name, data) => {
+module.exports = async (name, data, userOptions) => {
     const dir = path.dirname(name);
     const dirRelative = dir + '/../';
     
+    const options = {
+        ...defaultOptions,
+        ...userOptions && userOptions.img || {},
+    };
+    
     assert(name);
     assert(data);
     
-    return fromString(data, dir, dirRelative, {
-        maxSize,
-    });
+    return fromString(data, dir, dirRelative, options);
 };