Tooltip

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

src/Tooltip.tsx

@@ -0,0 +1,98 @@
+import React, {
+  ForwardedRef,
+  forwardRef,
+  ReactElement,
+  ReactNode,
+  useRef,
+} from "react";
+import {
+  TooltipTriggerState,
+  useTooltipTriggerState,
+} from "@react-stately/tooltip";
+import { FocusableProvider } from "@react-aria/focus";
+import { useTooltipTrigger, useTooltip } from "@react-aria/tooltip";
+import { mergeProps, useObjectRef } from "@react-aria/utils";
+import classNames from "classnames";
+import { OverlayContainer, useOverlayPosition } from "@react-aria/overlays";
+import { Placement } from "@react-types/overlays";
+
+import styles from "./Tooltip.module.css";
+
+interface TooltipProps {
+  className?: string;
+  state: TooltipTriggerState;
+  children: ReactNode;
+}
+
+export const Tooltip = forwardRef<HTMLDivElement, TooltipProps>(
+  (
+    { state, className, children, ...rest }: TooltipProps,
+    ref: ForwardedRef<HTMLDivElement>
+  ) => {
+    const { tooltipProps } = useTooltip(rest, state);
+
+    return (
+      <div
+        className={classNames(styles.tooltip, className)}
+        {...mergeProps(rest, tooltipProps)}
+        ref={ref}
+      >
+        {children}
+      </div>
+    );
+  }
+);
+
+interface TooltipTriggerProps {
+  children: ReactElement;
+  placement?: Placement;
+  delay?: number;
+  tooltip: () => string;
+}
+
+export const TooltipTrigger = forwardRef<HTMLElement, TooltipTriggerProps>(
+  (
+    { children, placement, tooltip, ...rest }: TooltipTriggerProps,
+    ref: ForwardedRef<HTMLElement>
+  ) => {
+    const tooltipTriggerProps = { delay: 250, ...rest };
+    const tooltipState = useTooltipTriggerState(tooltipTriggerProps);
+    const triggerRef = useObjectRef<HTMLElement>(ref);
+    const overlayRef = useRef();
+    const { triggerProps, tooltipProps } = useTooltipTrigger(
+      tooltipTriggerProps,
+      tooltipState,
+      triggerRef
+    );
+
+    const { overlayProps } = useOverlayPosition({
+      placement: placement || "top",
+      targetRef: triggerRef,
+      overlayRef,
+      isOpen: tooltipState.isOpen,
+      offset: 5,
+    });
+
+    return (
+      <FocusableProvider ref={triggerRef} {...triggerProps}>
+        <children.type
+          {...mergeProps<typeof children.props | typeof rest>(
+            children.props,
+            rest
+          )}
+        />
+        {tooltipState.isOpen && (
+          <OverlayContainer>
+            <Tooltip
+              state={tooltipState}
+              ref={overlayRef}
+              {...mergeProps(tooltipProps, overlayProps)}
+            >
+              {tooltip()}
+            </Tooltip>
+          </OverlayContainer>
+        )}
+      </FocusableProvider>
+    );
+  }
+);