Improve Component.move method

package.json

@@ -72,7 +72,7 @@
   },
   "lint-staged": {
     "{src,test}/**/*.(t|j)s": [
-      "npm run lint -- --fix",
+      "eslint --ext .ts,.js --fix",
       "prettier --single-quote --print-width 120 --arrow-parens avoid --write",
       "git add"
     ]

src/dom_components/model/Component.js

@@ -1703,8 +1703,20 @@ export default class Component extends StyleableModel {
    * editor.getSelected().move(dest, { at: 0 });
    */
   move(component, opts = {}) {
-    this.remove({ temporary: 1 });
-    component && component.append(this, opts);
+    if (component) {
+      const { at } = opts;
+      const index = this.index();
+      const sameParent = component === this.parent();
+      const sameIndex = index === at || index === at - 1;
+
+      if (!sameParent || !sameIndex) {
+        if (sameParent && at && at > index) {
+          opts.at = at - 1;
+        }
+        this.remove({ temporary: 1 });
+        component.append(this, opts);
+      }
+    }
     return this;
   }