Добавил поле "copy"

.gitignore

@@ -5,11 +5,14 @@
 .vscode
 /tmp
 /.php-cs-fixer.cache
+/com_oauthserver/media
 
 composer.phar
 com_oauthserver/administrator/vendor
 !com_oauthserver/administrator/vendor/.gitkeep
 
+node_modules/
+
 ._*
 .Spotlight-V100
 .Trashes

babel.config.es2017.json

@@ -0,0 +1,18 @@
+{
+  "presets": [
+    [
+      "@babel/preset-env",
+      {
+        "targets": {
+          "browsers": [
+            "> 1%",
+            "not ie 11",
+            "not op_mini all"
+          ]
+        },
+        "bugfixes": true,
+        "loose": true
+      }
+    ]
+  ]
+}

babel.config.es5.json

@@ -0,0 +1,17 @@
+{
+  "presets": [
+    [
+      "@babel/preset-env",
+      {
+        "corejs": "3.8",
+        "useBuiltIns": "entry",
+        "targets": {
+          "ie": "11"
+        },
+        "loose": true,
+        "bugfixes": false,
+        "modules": false
+      }
+    ]
+  ]
+}

build/src/com_oauthserver/joomla.asset.json

@@ -0,0 +1,32 @@
+{
+  "$schema": "https://developer.joomla.org/schemas/json-schema/web_assets.json",
+  "name": "com_oauthserver",
+  "version": "version",
+  "description": "Joomla CMS",
+  "license": "MIT",
+  "assets": [
+    {
+      "name": "com_oauthserver.field.copy.es5",
+      "type": "script",
+      "uri": "com_oauthserver/field-copy-es5.min.js",
+      "dependencies": [
+        "core"
+      ],
+      "attributes": {
+        "nomodule": true,
+        "defer": true
+      }
+    },
+    {
+      "name": "com_oauthserver.field.copy",
+      "type": "script",
+      "uri": "com_oauthserver/field-copy.min.js",
+      "dependencies": [
+        "com_oauthserver.field.copy.es5"
+      ],
+      "attributes": {
+        "type": "module"
+      }
+    }
+  ]
+}

build/src/com_oauthserver/js/field/copy.es6.js

@@ -0,0 +1,56 @@
+/**
+ * @copyright   (c) 2024. Webmasterskaya. <https://webmasterskaya.xyz>
+ *