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/** @jsx jsx */
import { useCallback } from "react";
import { jsx } from "theme-ui";
import Hamburger from "../Hamburger";
import SidebarOverlay from "./Overlay";
import { alpha } from "@theme-ui/color";
import ScreenReader from "../ScreenReader";
const togglerStyle = {
display: ["block", null, "none"],
position: "fixed",
right: 4,
bottom: 4,
zIndex: 100,
button: {
bg: "transparent",
border: 0,
p: 0
}
};
function SidebarToggler({ sidebar, open, setOpen, toggler }) {
const toggleSidebar = useCallback(() => {
let wasOpen;
setOpen(open => {
wasOpen = open;
return !open;
});
if (!wasOpen) {
setTimeout(() => sidebar.current.focus(), 50);
}
}, [setOpen, sidebar]);
return (
<span sx={togglerStyle}>
<button
ref={toggler}
onClick={toggleSidebar}
aria-controls="__sidebar"
aria-expanded={open}
>
<Hamburger open={open} aria-hidden />
<ScreenReader>{open ? "Close" : "Open"} Sidebar</ScreenReader>
</button>
{open && (
<SidebarOverlay>
<div
role="presentation"
onMouseDown={toggleSidebar}
sx={{
display: ["block", null, "none"],
position: "fixed",
top: 0,
left: 0,
width: "100%",
height: "100%",
bg: alpha("background", 0.7)
}}
/>
</SidebarOverlay>
)}
</span>
);
}
export default SidebarToggler;
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