Add fileDownlod.js and htmlescape.js file function

src/utils/fileDownload.js

@@ -0,0 +1,21 @@
+import { TIMEOUT } from 'app/constant';
+
+export function fileDownload({url, data, httpMethod="POST"} = {}) {
+  let timeoutId;
+  return new Promise((resolve, reject) => {
+    const downloadPromise = $.fileDownload(url, {
+      httpMethod,
+      data
+    });
+    timeoutId = setTimeout(()=>{
+      reject('Timeout');
+      downloadPromise.abort();
+    }, TIMEOUT);
+    downloadPromise
+      .done(()=>resolve())
+      .fail(()=> reject())
+      .always(()=>{
+        clearTimeout(timeoutId)
+      });
+  })
+}

src/utils/htmlescape.js

@@ -0,0 +1,7 @@
+export function htmlescape(string) {
+  string = string.replace("&", "&");
+  string = string.replace("<", "&lt;");
+  string = string.replace(">", "&gt;");
+  string = string.replace('"', "&quot;");
+  return string;
+};

src/utils/index.js

@@ -33,6 +33,8 @@ import { downloadCSVLayerFeatures }          from './downloadCSVLayerFeatures';
 import { downloadCSV }                       from './downloadCSV';
 import { getTimeoutPromise }                 from './getTimeoutPromise';
 import { XHR }                               from './XHR';
+import { htmlescape }                        from "./htmlescape";
+import { fileDownload }                      from "./fileDownload";
 import { createSingleFieldParameter }        from './createSingleFieldParameter';
 import { createFilterFormInputs }            from './createFilterFormInputs';
 import { createFilterFromString }            from './createFilterFromString';
@@ -141,6 +143,8 @@ const utils = {
   downloadCSV,
   getTimeoutPromise,
   XHR,
+  htmlescape,
+  fileDownload,
   /** @since 3.8.7 */
   createSingleFieldParameter,
   createFilterFromString,