Animations like Pyxel Edit

If you’ve used Pyxel Edit, you would know how animations are created. For those who don’t know, let me provide an example: you create animations directly as sprite sheets, with all frames on the same page, in the same layer, and in the same frame. For instance, if you draw 4 animations, each as 16x16 tiles, you place all these tiles side by side in the same page to create the animation. I haven’t come across a similar feature in Aseprite, so I was wondering if there is a script that allows us to do this.