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backend/node_modules/svgo/plugins/removeXMLProcInst.js

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+'use strict';
+
+const { detachNodeFromParent } = require('../lib/xast.js');
+
+exports.name = 'removeXMLProcInst';
+exports.description = 'removes XML processing instructions';
+
+/**
+ * Remove XML Processing Instruction.
+ *
+ * @example
+ * <?xml version="1.0" encoding="utf-8"?>
+ *
+ * @author Kir Belevich
+ *
+ * @type {import('./plugins-types').Plugin<'removeXMLProcInst'>}
+ */
+exports.fn = () => {
+  return {
+    instruction: {
+      enter: (node, parentNode) => {
+        if (node.name === 'xml') {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};