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tooltip component
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frontend/app/element/tooltip.scss
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frontend/app/element/tooltip.scss
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// Copyright 2024, Command Line Inc.
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// SPDX-License-Identifier: Apache-2.0
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.tooltip {
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width: max-content;
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background-color: rgb(from var(--block-bg-color) r g b / 70%);
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color: var(--main-text-color);
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padding: 4px 8px;
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border-radius: 4px;
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}
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frontend/app/element/tooltip.stories.tsx
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frontend/app/element/tooltip.stories.tsx
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// Copyright 2024, Command Line Inc.
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// SPDX-License-Identifier: Apache-2.0
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import type { Meta, StoryObj } from "@storybook/react";
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import { useState } from "react";
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import { Tooltip, TooltipContent, TooltipTrigger } from "./tooltip";
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import "./tooltip.scss";
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const meta: Meta<typeof Tooltip> = {
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title: "Elements/Tooltip",
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component: Tooltip,
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argTypes: {
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placement: {
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description: "Placement of the tooltip relative to the trigger",
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control: {
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type: "select",
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options: ["top", "left", "bottom", "right"],
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},
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},
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className: {
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description: "Custom class for styling the tooltip content",
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control: { type: "text" },
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},
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initialOpen: {
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description: "Initial open state of the tooltip (uncontrolled mode)",
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control: { type: "boolean" },
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},
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open: {
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description: "Controlled open state of the tooltip",
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control: { type: "boolean" },
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},
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showArrow: {
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description: "Whether to show an arrow for the tooltip",
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control: { type: "boolean" },
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},
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},
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};
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export default meta;
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type Story = StoryObj<typeof Tooltip>;
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export const Uncontrolled: Story = {
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render: (args) => (
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<div
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style={{
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width: "100%",
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height: "600px",
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padding: "20px",
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display: "flex",
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alignItems: "flex-start",
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justifyContent: "center",
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}}
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>
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<div className="App">
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<Tooltip {...args}>
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<TooltipTrigger>Top</TooltipTrigger>
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<TooltipContent className="tooltip">Top Tooltip</TooltipContent>
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</Tooltip>
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<Tooltip {...args} placement="left">
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<TooltipTrigger>Left</TooltipTrigger>
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<TooltipContent className="tooltip">Left Tooltip</TooltipContent>
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</Tooltip>
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<Tooltip {...args} placement="bottom">
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<TooltipTrigger>Bottom</TooltipTrigger>
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<TooltipContent className="tooltip">Bottom Tooltip</TooltipContent>
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</Tooltip>
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<Tooltip {...args} placement="right">
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<TooltipTrigger>Right</TooltipTrigger>
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<TooltipContent className="tooltip">Right Tooltip</TooltipContent>
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</Tooltip>
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</div>
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</div>
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),
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args: {
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initialOpen: false,
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placement: "top",
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className: "custom-tooltip",
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showArrow: true,
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},
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};
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// Controlled Tooltip Example
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export const Controlled: Story = {
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render: (args) => {
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const [open, setOpen] = useState(false);
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return (
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<div
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style={{
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width: "100%",
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height: "600px",
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padding: "20px",
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display: "flex",
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alignItems: "flex-start",
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justifyContent: "center",
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}}
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>
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<div className="App">
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<Tooltip {...args} open={open} onOpenChange={setOpen}>
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<TooltipTrigger onClick={() => setOpen((v) => !v)}>My Trigger</TooltipTrigger>
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<TooltipContent className="tooltip">My tooltip</TooltipContent>
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</Tooltip>
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</div>
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</div>
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);
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},
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args: {
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placement: "top",
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className: "custom-tooltip",
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showArrow: true,
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},
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};
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191
frontend/app/element/tooltip.tsx
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frontend/app/element/tooltip.tsx
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// Copyright 2024, Command Line Inc.
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// SPDX-License-Identifier: Apache-2.0
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import type { Placement } from "@floating-ui/react";
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import {
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arrow,
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autoUpdate,
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flip,
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FloatingPortal,
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offset,
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shift,
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useDismiss,
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useFloating,
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useFocus,
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useHover,
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useInteractions,
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useRole,
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} from "@floating-ui/react";
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import * as React from "react";
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interface TooltipOptions {
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initialOpen?: boolean;
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placement?: Placement;
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open?: boolean;
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className?: string;
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showArrow?: boolean;
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onOpenChange?: (open: boolean) => void;
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}
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export function useTooltip({
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initialOpen = false,
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placement = "top",
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open: controlledOpen,
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onOpenChange: setControlledOpen,
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}: TooltipOptions = {}) {
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const arrowRef = React.useRef(null);
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const [uncontrolledOpen, setUncontrolledOpen] = React.useState(initialOpen);
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const open = controlledOpen ?? uncontrolledOpen;
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const setOpen = setControlledOpen ?? setUncontrolledOpen;
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const data = useFloating({
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placement,
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open,
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onOpenChange: setOpen,
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whileElementsMounted: autoUpdate,
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middleware: [offset(5), flip(), shift(), arrow({ element: arrowRef })],
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});
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const context = data.context;
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const hover = useHover(context, {
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move: false,
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enabled: controlledOpen == null,
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});
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const focus = useFocus(context, {
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enabled: controlledOpen == null,
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});
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const dismiss = useDismiss(context);
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const role = useRole(context, { role: "tooltip" });
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const interactions = useInteractions([hover, focus, dismiss, role]);
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return React.useMemo(
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() => ({
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open,
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setOpen,
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arrowRef,
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...interactions,
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...data,
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}),
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[open, setOpen, arrowRef, interactions, data]
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);
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}
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type ContextType = ReturnType<typeof useTooltip> | null;
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const TooltipContext = React.createContext<ContextType>(null);
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export const useTooltipState = () => {
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const context = React.useContext(TooltipContext);
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if (context == null) {
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throw new Error("Tooltip components must be wrapped in <Tooltip />");
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}
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return context;
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};
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export function Tooltip({ children, ...options }: { children: React.ReactNode } & TooltipOptions) {
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// This can accept any props as options, e.g. `placement`,
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// or other positioning options.
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const tooltip = useTooltip(options);
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return <TooltipContext.Provider value={tooltip}>{children}</TooltipContext.Provider>;
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}
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export const TooltipTrigger = React.forwardRef<HTMLElement, React.HTMLProps<HTMLElement> & { asChild?: boolean }>(
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function TooltipTrigger({ children, asChild = false, ...props }, propRef) {
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const state = useTooltipState();
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const setRefs = (node: HTMLElement | null) => {
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state.refs.setReference(node); // Use Floating UI's ref for trigger
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if (typeof propRef === "function") propRef(node);
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else if (propRef) (propRef as React.MutableRefObject<HTMLElement | null>).current = node;
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// Handle child ref only if it's not a ReactPortal
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if (React.isValidElement(children) && children.type !== React.Fragment && "ref" in children) {
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if (typeof children.ref === "function") children.ref(node);
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else (children.ref as React.MutableRefObject<HTMLElement | null>).current = node;
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}
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};
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// Allow custom elements with asChild
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if (asChild && React.isValidElement(children)) {
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return React.cloneElement(
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children,
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state.getReferenceProps({
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ref: setRefs,
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...props,
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...children.props,
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"data-state": state.open ? "open" : "closed",
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})
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);
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}
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// Default trigger as a button
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return (
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<button ref={setRefs} data-state={state.open ? "open" : "closed"} {...state.getReferenceProps(props)}>
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{children}
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</button>
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);
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}
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);
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export const TooltipContent = React.forwardRef<HTMLDivElement, React.HTMLProps<HTMLDivElement>>(
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function TooltipContent(props, propRef) {
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const state = useTooltipState();
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const ref = React.useMemo(() => {
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const setRef = (node: HTMLDivElement | null) => {
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state.refs.setFloating(node); // Use `refs.setFloating` from `useFloating`
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if (typeof propRef === "function") propRef(node);
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else if (propRef) (propRef as React.MutableRefObject<HTMLDivElement | null>).current = node;
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};
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return setRef;
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}, [state.refs.setFloating, propRef]);
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const { x: arrowX, y: arrowY } = state.middlewareData.arrow ?? {};
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const staticSide =
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{
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top: "bottom",
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right: "left",
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bottom: "top",
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left: "right",
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}[state.placement.split("-")[0]] ?? "";
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return (
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<FloatingPortal>
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{state.open && (
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<div
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ref={ref}
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style={{
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position: state.strategy,
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top: state.y ?? 0,
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left: state.x ?? 0,
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visibility: state.x == null ? "hidden" : "visible",
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...props.style,
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}}
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{...state.getFloatingProps(props)}
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>
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{props.children}
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<div
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ref={state.arrowRef}
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style={{
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position: "absolute",
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width: "10px",
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height: "10px",
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background: "inherit",
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left: arrowX != null ? `${arrowX}px` : "",
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top: arrowY != null ? `${arrowY}px` : "",
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[staticSide]: "-5px",
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transform: "rotate(45deg)",
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}}
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/>
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</div>
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)}
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</FloatingPortal>
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);
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}
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);
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