src/core/parseXML.js

   1 import { jQuery } from "../core.js";
   2
   3 // Cross-browser xml parsing
   4 jQuery.parseXML = function( data ) {
   5         var xml, parserErrorElem;
   6         if ( !data || typeof data !== "string" ) {
   7                 return null;
   8         }
   9
  10         // Support: IE 9 - 11+
  11         // IE throws on parseFromString with invalid input.
  12         try {
  13                 xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
  14         } catch ( e ) {}
  15
  16         parserErrorElem = xml && xml.getElementsByTagName( "parsererror" )[ 0 ];
  17         if ( !xml || parserErrorElem ) {
  18                 jQuery.error( "Invalid XML: " + (
  19                         parserErrorElem ?
  20                                 jQuery.map( parserErrorElem.childNodes, function( el ) {
  21                                         return el.textContent;
  22                                 } ).join( "\n" ) :
  23                                 data
  24                 ) );
  25         }
  26         return xml;
  27 };