ntfy/web/src/components/PopupMenu.jsx

import { Fade, Menu } from "@mui/material";
import * as React from "react";

const PopupMenu = (props) => {
  const horizontal = props.horizontal ?? "left";
  const arrow = horizontal === "right" ? { right: 19 } : { left: 19 };
  return (
    <Menu
      anchorEl={props.anchorEl}
      open={props.open}
      onClose={props.onClose}
      onClick={props.onClose}
      TransitionComponent={Fade}
      PaperProps={{
        elevation: 0,
        sx: {
          overflow: "visible",
          filter: "drop-shadow(0px 2px 8px rgba(0,0,0,0.32))",
          mt: 1.5,
          "& .MuiAvatar-root": {
            width: 32,
            height: 32,
            ml: -0.5,
            mr: 1,
          },
          "&:before": {
            content: '""',
            display: "block",
            position: "absolute",
            top: 0,
            width: 10,
            height: 10,
            bgcolor: "background.paper",
            transform: "translateY(-50%) rotate(45deg)",
            zIndex: 0,
            ...arrow,
          },
        },
      }}
      transformOrigin={{ horizontal, vertical: "top" }}
      anchorOrigin={{ horizontal, vertical: "bottom" }}
    >
      {props.children}
    </Menu>
  );
};

export default PopupMenu;