schnee effeckt und fehler Korektur

node_modules/svgo/plugins/removeEditorsNSData.js

@@ -1,18 +1,13 @@
 'use strict';
 
-exports.type = 'perItem';
+const { detachNodeFromParent } = require('../lib/xast.js');
+const { editorNamespaces } = require('./_collections.js');
 
+exports.type = 'visitor';
+exports.name = 'removeEditorsNSData';
 exports.active = true;
-
 exports.description = 'removes editors namespaces, elements and attributes';
 
-var editorNamespaces = require('./_collections').editorNamespaces,
-    prefixes = [];
-
-exports.params = {
-    additionalNamespaces: []
-};
-
 /**
  * Remove editors namespaces, elements and attributes.
  *
@@ -21,45 +16,53 @@ exports.params = {
  * <sodipodi:namedview/>
  * <path sodipodi:nodetypes="cccc"/>
  *
- * @param {Object} item current iteration item
- * @param {Object} params plugin params
- * @return {Boolean} if false, item will be filtered out
- *
  * @author Kir Belevich
+ *
+ * @type {import('../lib/types').Plugin<{
+ *   additionalNamespaces?: Array<string>
+ * }>}
  */
-exports.fn = function(item, params) {
-
-    if (Array.isArray(params.additionalNamespaces)) {
-        editorNamespaces = editorNamespaces.concat(params.additionalNamespaces);
-    }
-
-    if (item.elem) {
-
-        if (item.isElem('svg')) {
-
-            item.eachAttr(function(attr) {
-                if (attr.prefix === 'xmlns' && editorNamespaces.indexOf(attr.value) > -1) {
-                    prefixes.push(attr.local);
-
-                    // <svg xmlns:sodipodi="">
-                    item.removeAttr(attr.name);
-                }
-            });
-
-        }
-
-        // <* sodipodi:*="">
-        item.eachAttr(function(attr) {
-            if (prefixes.indexOf(attr.prefix) > -1) {
-                item.removeAttr(attr.name);
+exports.fn = (_root, params) => {
+  let namespaces = editorNamespaces;
+  if (Array.isArray(params.additionalNamespaces)) {
+    namespaces = [...editorNamespaces, ...params.additionalNamespaces];
+  }
+  /**
+   * @type {Array<string>}
+   */
+  const prefixes = [];
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // collect namespace aliases from svg element
+        if (node.name === 'svg') {
+          for (const [name, value] of Object.entries(node.attributes)) {
+            if (name.startsWith('xmlns:') && namespaces.includes(value)) {
+              prefixes.push(name.slice('xmlns:'.length));
+              // <svg xmlns:sodipodi="">
+              delete node.attributes[name];
             }
-        });
-
-        // <sodipodi:*>
-        if (prefixes.indexOf(item.prefix) > -1) {
-            return false;
+          }
         }
-
-    }
-
+        // remove editor attributes, for example
+        // <* sodipodi:*="">
+        for (const name of Object.keys(node.attributes)) {
+          if (name.includes(':')) {
+            const [prefix] = name.split(':');
+            if (prefixes.includes(prefix)) {
+              delete node.attributes[name];
+            }
+          }
+        }
+        // remove editor elements, for example
+        // <sodipodi:*>
+        if (node.name.includes(':')) {
+          const [prefix] = node.name.split(':');
+          if (prefixes.includes(prefix)) {
+            detachNodeFromParent(node, parentNode);
+          }
+        }
+      },
+    },
+  };
 };