schnee effeckt und fehler Korektur

node_modules/svgo/plugins/removeEmptyText.js

@@ -1,21 +1,16 @@
 'use strict';
 
-exports.type = 'perItem';
+const { detachNodeFromParent } = require('../lib/xast.js');
 
+exports.name = 'removeEmptyText';
+exports.type = 'visitor';
 exports.active = true;
-
 exports.description = 'removes empty <text> elements';
 
-exports.params = {
-    text: true,
-    tspan: true,
-    tref: true
-};
-
 /**
  * Remove empty Text elements.
  *
- * @see http://www.w3.org/TR/SVG/text.html
+ * @see https://www.w3.org/TR/SVG11/text.html
  *
  * @example
  * Remove empty text element:
@@ -27,33 +22,36 @@ exports.params = {
  * Remove tref with empty xlink:href attribute:
  * <tref xlink:href=""/>
  *
- * @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<{
+ *   text?: boolean,
+ *   tspan?: boolean,
+ *   tref?: boolean
+ * }>}
  */
-exports.fn = function(item, params) {
-
-    // Remove empty text element
-    if (
-        params.text &&
-        item.isElem('text') &&
-        item.isEmpty()
-    ) return false;
-
-    // Remove empty tspan element
-    if (
-        params.tspan &&
-        item.isElem('tspan') &&
-        item.isEmpty()
-    ) return false;
-
-    // Remove tref with empty xlink:href attribute
-    if (
-        params.tref &&
-        item.isElem('tref') &&
-        !item.hasAttrLocal('href')
-    ) return false;
-
+exports.fn = (root, params) => {
+  const { text = true, tspan = true, tref = true } = params;
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // Remove empty text element
+        if (text && node.name === 'text' && node.children.length === 0) {
+          detachNodeFromParent(node, parentNode);
+        }
+        // Remove empty tspan element
+        if (tspan && node.name === 'tspan' && node.children.length === 0) {
+          detachNodeFromParent(node, parentNode);
+        }
+        // Remove tref with empty xlink:href attribute
+        if (
+          tref &&
+          node.name === 'tref' &&
+          node.attributes['xlink:href'] == null
+        ) {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
 };