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node_modules/svgo/plugins/addClassesToSVGElement.js

@@ -6,17 +6,18 @@ exports.active = false;
 
 exports.description = 'adds classnames to an outer <svg> element';
 
-var ENOCLS = 'Error in plugin "addClassesToSVGElement": absent parameters.\n\
-It should have a list of classes in "classNames" or one "className".\n\
-Config example:\n\n\
-\
-plugins:\n\
-- addClassesToSVGElement:\n\
-    className: "mySvg"\n\n\
-\
-plugins:\n\
-- addClassesToSVGElement:\n\
-    classNames: ["mySvg", "size-big"]\n';
+var ENOCLS = `Error in plugin "addClassesToSVGElement": absent parameters.
+It should have a list of classes in "classNames" or one "className".
+Config example:
+
+plugins:
+- addClassesToSVGElement:
+    className: "mySvg"
+
+plugins:
+- addClassesToSVGElement:
+    classNames: ["mySvg", "size-big"]
+`;
 
 /**
  * Add classnames to an outer <svg> element. Example config:
@@ -41,22 +42,7 @@ exports.fn = function(data, params) {
         svg = data.content[0];
 
     if (svg.isElem('svg')) {
-        if (svg.hasAttr('class')) {
-            var classes = svg.attr('class').value.split(' ');
-            classNames.forEach(function(className){
-                if (classes.indexOf(className) < 0) {
-                    classes.push(className);
-                }
-            });
-            svg.attr('class').value = classes.join(' ');
-        } else {
-            svg.addAttr({
-                name: 'class',
-                value: classNames.join(' '),
-                prefix: '',
-                local: 'class'
-            });
-        }
+        svg.class.add.apply(svg.class, classNames);
     }
 
     return data;