Update nlapiEscapeXML function (#17)

* Update nlapiEscapeXML function

* Add test for nlapiEscapeXML function

* Update test for nlapiEscapeXML function

Author: Valerii Radko

SuiteScriptMockup1.0/nsmockup-1.0.js

@@ -1377,7 +1377,13 @@ exports.nlapiEncrypt = function (s) { };
  *
  * @since 2008.1
  */
-exports.nlapiEscapeXML = function (text) { encodeURI(text); };
+exports.nlapiEscapeXML = function (input) {
+  return input.replace(/&/g, '\\&')
+    .replace(/</g, '\\<')
+    .replace(/>/g, '\\>')
+    .replace(/"/g, '\\"')
+    .replace(/'/g, "\\'");
+};
 
 /**
  * Convert a String into an XML document. Note that in Server SuiteScript XML is supported natively by the JS runtime using the e4x standard (http://en.wikipedia.org/wiki/E4X)
@@ -3429,7 +3435,7 @@ exports.nlobjFile.prototype.getValue = function () { };
  *
  * @since 2007.0
  */
-exports.nlobjSearchFilter =  require('../Utils/search-filter');
+exports.nlobjSearchFilter = require('../Utils/search-filter');
 
 /**
  * Return the name of this search filter.

Tests/SuiteScriptMockup1.0/nsmockup-1.0.test.js

@@ -31,7 +31,14 @@ describe('Testing nsmockup-1.0 library', () => {
       expect(fileUnderTest.nlapiLookupField()).toEqual(expect.any(String));
     });
   });
-
+  describe('nlapiEscapeXML', () => {
+    it('Should return a string', () => {
+      const xml = '<?xml version="1.0" encoding="UTF-8"?>';
+      const escappedXml = '\\<?xml version=\\"1.0\\" encoding=\\"UTF-8\\"?\\>';
+      const result = fileUnderTest.nlapiEscapeXML(xml);
+      expect(result).toBe(escappedXml);
+    });
+  });
   describe('nlobjError', () => {
     it('Should create nlobjError object', () => {
       // eslint-disable-next-line new-cap