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node_modules/svgo/plugins/moveGroupAttrsToElems.js

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+'use strict';
+
+exports.type = 'perItem';
+
+exports.active = true;
+
+exports.description = 'moves some group attributes to the content elements';
+
+var collections = require('./_collections.js'),
+    pathElems = collections.pathElems.concat(['g', 'text']),
+    referencesProps = collections.referencesProps;
+
+/**
+ * Move group attrs to the content elements.
+ *
+ * @example
+ * <g transform="scale(2)">
+ *     <path transform="rotate(45)" d="M0,0 L10,20"/>
+ *     <path transform="translate(10, 20)" d="M0,10 L20,30"/>
+ * </g>
+ *                          ⬇
+ * <g>
+ *     <path transform="scale(2) rotate(45)" d="M0,0 L10,20"/>
+ *     <path transform="scale(2) translate(10, 20)" d="M0,10 L20,30"/>
+ * </g>
+ *
+ * @param {Object} item current iteration item
+ * @return {Boolean} if false, item will be filtered out
+ *
+ * @author Kir Belevich
+ */
+exports.fn = function(item) {
+
+    // move group transform attr to content's pathElems
+    if (
+        item.isElem('g') &&
+        item.hasAttr('transform') &&
+        !item.isEmpty() &&
+        !item.someAttr(function(attr) {
+            return ~referencesProps.indexOf(attr.name) && ~attr.value.indexOf('url(');
+        }) &&
+        item.content.every(function(inner) {
+            return inner.isElem(pathElems) && !inner.hasAttr('id');
+        })
+    ) {
+        item.content.forEach(function(inner) {
+            var attr = item.attr('transform');
+            if (inner.hasAttr('transform')) {
+                inner.attr('transform').value = attr.value + ' ' + inner.attr('transform').value;
+            } else {
+                inner.addAttr({
+                    'name': attr.name,
+                    'local': attr.local,
+                    'prefix': attr.prefix,
+                    'value': attr.value
+                });
+            }
+        });
+
+        item.removeAttr('transform');
+    }
+
+};