[main] added Babel transpiler for IE

apps/common/main/lib/controller/LaunchController.js

@@ -47,7 +47,7 @@ define([
             !app.postLaunchScripts && (app.postLaunchScripts = []);
             // console.log('on_app_ready', app.postLaunchScripts);
 
-            require(app.postLaunchScripts, function () {
+            require(app.postLaunchScripts, () => {
                 if (!!Common.UI.ScreenReaderFocusManager) {
                     Common.UI.ScreenReaderFocusManager.init(me.api);
                 }

apps/documenteditor/main/index.html.deploy

@@ -414,7 +414,10 @@
     <inline src="resources/img/form-points.svg" />
     <div class="inlined-svg"></div>
     <script src="../../../../../../sdkjs/common/device_scale.js?__inline=true"></script>
-    <script data-main="app" src="../../../vendor/requirejs/require.js"></script>
+    <script src="../../../vendor/requirejs/require.js"></script>
+    <script>
+        isIE === true ? require(['ie/app']) : require(['app']);
+    </script>
 
 </body>
 </html>

build/Gruntfile.js

@@ -149,6 +149,7 @@ module.exports = function(grunt) {
     grunt.loadNpmTasks('grunt-svgmin');
     grunt.loadNpmTasks('grunt-exec');
     grunt.loadNpmTasks('grunt-terser');
+    grunt.loadNpmTasks('grunt-babel');
 
     function doRegisterTask(name, callbackConfig) {
         return grunt.registerTask(name + '-init', function() {
@@ -452,9 +453,9 @@ module.exports = function(grunt) {
                 localization: {
                     files: packageFile['main']['copy']['localization']
                 },
-                help: {
-                    files: packageFile['main']['copy']['help']
-                },
+                // help: {
+                //     files: packageFile['main']['copy']['help']
+                // },
                 indexhtml: {
                     files: packageFile['main']['copy']['indexhtml']
                 }
@@ -508,6 +509,27 @@ module.exports = function(grunt) {
                     src: packageFile.main.js.postload.options.out,
                     dest: packageFile.main.js.postload.options.out,
                 },
+                iecompat: {
+                    options: {
+                        sourceMap: false,
+                    },
+                    files: [{
+                        expand: true,
+                        cwd: packageFile.main.js.babel.files[0].dest,
+                        src: `*.js`,
+                        dest: packageFile.main.js.babel.files[0].dest
+                    }]
+                },
+            },
+
+            babel: {
+                options: {
+                    sourceMap: false,
+                    presets: ['@babel/preset-env']
+                },
+                dist: {
+                    files: packageFile.main.js.babel.files
+                }
             },
         });
 
@@ -797,7 +819,7 @@ module.exports = function(grunt) {
     grunt.registerTask('deploy-common-embed',           ['common-embed-init', 'clean', 'copy']);
 
     grunt.registerTask('deploy-app-main',               ['prebuild-icons-sprite', 'main-app-init', 'clean:prebuild', 'imagemin', 'less',
-                                                            'requirejs', 'terser', 'concat', 'copy', 'svgmin', 'inline', 'json-minify',
+                                                            'requirejs', 'babel', 'terser', 'concat', 'copy', 'svgmin', 'inline', 'json-minify',
                                                             'replace:writeVersion', 'replace:prepareHelp', 'clean:postbuild']);
 
     grunt.registerTask('deploy-app-mobile',             ['mobile-app-init', 'clean:deploy', /*'cssmin',*/ /*'copy:template-backup',*/

build/documenteditor.json

@@ -106,6 +106,16 @@
                         "text": "../vendor/requirejs-text/text"
                     }
                 }
+            },
+            "babel": {
+                "files": [
+                    {
+                        "expand": true,
+                        "cwd": "../deploy/web-apps/apps/documenteditor/main/",
+                        "src": "*.js",
+                        "dest": "../deploy/web-apps/apps/documenteditor/main/ie"
+                    }
+                ]
             }
         },
         "less": {

build/package.json

@@ -4,7 +4,10 @@
   "homepage": "http://www.onlyoffice.com",
   "private": true,
   "dependencies": {
+    "@babel/core": "^7.25.2",
+    "@babel/preset-env": "^7.25.3",
     "grunt": "^1.6.1",
+    "grunt-babel": "^8.0.0",
     "grunt-contrib-clean": "^2.0.1",
     "grunt-contrib-concat": "^2.0.0",
     "grunt-contrib-copy": "^1.0.0",