Moving to node_modules folder to make easier to upgrade

trying to move from Bootstrap 3 to Bootstrap 5

node_modules/mpd-parser/src/stringToMpdXml.js

@@ -0,0 +1,27 @@
+import {DOMParser} from '@xmldom/xmldom';
+import errors from './errors';
+
+export const stringToMpdXml = (manifestString) => {
+  if (manifestString === '') {
+    throw new Error(errors.DASH_EMPTY_MANIFEST);
+  }
+
+  const parser = new DOMParser();
+  let xml;
+  let mpd;
+
+  try {
+    xml = parser.parseFromString(manifestString, 'application/xml');
+    mpd = xml && xml.documentElement.tagName === 'MPD' ?
+      xml.documentElement : null;
+  } catch (e) {
+    // ie 11 throwsw on invalid xml
+  }
+
+  if (!mpd || mpd &&
+      mpd.getElementsByTagName('parsererror').length > 0) {
+    throw new Error(errors.DASH_INVALID_XML);
+  }
+
+  return mpd;
+};