typescript src/popover (#488)

src/popover/Popover.tsx

@@ -0,0 +1,60 @@
+/*
+Copyright 2022 Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React, { forwardRef, HTMLAttributes } from "react";
+import { DismissButton, useOverlay } from "@react-aria/overlays";
+import { FocusScope } from "@react-aria/focus";
+import classNames from "classnames";
+import { useObjectRef } from "@react-aria/utils";
+
+import styles from "./Popover.module.css";
+
+interface Props extends HTMLAttributes<HTMLDivElement> {
+  isOpen: boolean;
+  onClose: () => void;
+  className?: string;
+  children?: JSX.Element;
+}
+
+export const Popover = forwardRef<HTMLDivElement, Props>(
+  ({ isOpen = true, onClose, className, children, ...rest }, ref) => {
+    const popoverRef = useObjectRef(ref);
+
+    const { overlayProps } = useOverlay(
+      {
+        isOpen,
+        onClose,
+        shouldCloseOnBlur: true,
+        isDismissable: true,
+      },
+      popoverRef
+    );
+
+    return (
+      <FocusScope restoreFocus>
+        <div
+          {...overlayProps}
+          {...rest}
+          className={classNames(styles.popover, className)}
+          ref={popoverRef}
+        >
+          {children}
+          <DismissButton onDismiss={onClose} />
+        </div>
+      </FocusScope>
+    );
+  }
+);