fix: 🐛 improve insert selection ending

src/InputEditor.ts

@@ -35,7 +35,7 @@ export class InputEditor implements EditorFacade {
       let [start, end] = selection;
       const length = text.length;
       if (start >= position) start += length;
-      if (end >= position) end += length;
+      if (end > position) end += length;
       this.setSelection(start, end, selection[2]);
     }
   }

src/index.stories.tsx

@@ -80,6 +80,18 @@ const Demo: React.FC<{textarea: boolean}> = ({textarea}) => {
           Delete 5 chars from model at pos 3 after 2s
         </button>
       </div>
+      <div>
+        <button
+          onClick={() => {
+            setTimeout(() => {
+              const str = model.api.str(['text']);
+              str.del(1, 1);
+            }, 2000);
+          }}
+        >
+          Delete second character after 2s
+        </button>
+      </div>
       <div>
         <button
           onClick={() => {