feat: declare version * 7

Author: tenphi

src/version.ts

@@ -1,21 +1,20 @@
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 interface Window {
   CubeUIKit: {
-    version: string[];
+    version: string;
   };
 }
 
-if (!window.CubeUIKit || !Array.isArray(window.CubeUIKit)) {
-  window.CubeUIKit = {
-    version: [],
-  };
-}
-
-// @ts-ignore
-if ('__UIKIT_VERSION__') {
-  window.CubeUIKit.version.push('__UIKIT_VERSION__');
-}
-
-if (window.CubeUIKit.version.length > 1) {
-  console.error('More than one version of CubeUIKit is loaded');
+if (window.CubeUIKit?.version) {
+  console.error('More than one version of CubeUIKit is loaded', {
+    loadedVersions: [window.CubeUIKit.version, '__UIKIT_VERSION'],
+  });
+} else {
+  if (!window.CubeUIKit || !Array.isArray(window.CubeUIKit)) {
+    window.CubeUIKit = {
+      version: '__UIKIT_VERSION__',
+    };
+  } else {
+    window.CubeUIKit.version = '__UIKIT_VERSION__';
+  }
 }