|
| 1 | +import { |
| 2 | + ReactNode, |
| 3 | + useEffect, |
| 4 | + useId, |
| 5 | + useRef, |
| 6 | + useState, |
| 7 | +} from "react"; |
| 8 | + |
| 9 | +interface TooltipProps { |
| 10 | + content: ReactNode; |
| 11 | + children: ReactNode; |
| 12 | + side?: "top" | "bottom"; |
| 13 | +} |
| 14 | + |
| 15 | +export default function Tooltip({ |
| 16 | + content, |
| 17 | + children, |
| 18 | + side = "top", |
| 19 | +}: TooltipProps) { |
| 20 | + const id = useId(); |
| 21 | + |
| 22 | + const triggerRef = useRef<HTMLSpanElement>(null); |
| 23 | + |
| 24 | + const [visible, setVisible] = useState(false); |
| 25 | + |
| 26 | + const [position, setPosition] = useState({ |
| 27 | + top: 0, |
| 28 | + left: 0, |
| 29 | + }); |
| 30 | + |
| 31 | + const updatePosition = () => { |
| 32 | + if (!triggerRef.current) return; |
| 33 | + |
| 34 | + const rect = triggerRef.current.getBoundingClientRect(); |
| 35 | + |
| 36 | + const GAP = 10; |
| 37 | + |
| 38 | + const top = |
| 39 | + side === "top" |
| 40 | + ? rect.top - GAP |
| 41 | + : rect.bottom + GAP; |
| 42 | + |
| 43 | + setPosition({ |
| 44 | + top, |
| 45 | + left: rect.left + rect.width / 2, |
| 46 | + }); |
| 47 | + }; |
| 48 | + |
| 49 | + useEffect(() => { |
| 50 | + if (!visible) return; |
| 51 | + |
| 52 | + updatePosition(); |
| 53 | + |
| 54 | + window.addEventListener("resize", updatePosition); |
| 55 | + window.addEventListener("scroll", updatePosition, true); |
| 56 | + |
| 57 | + return () => { |
| 58 | + window.removeEventListener("resize", updatePosition); |
| 59 | + window.removeEventListener("scroll", updatePosition, true); |
| 60 | + }; |
| 61 | + // eslint-disable-next-line react-hooks/exhaustive-deps |
| 62 | + }, [visible]); |
| 63 | + |
| 64 | + return ( |
| 65 | + <> |
| 66 | + <span |
| 67 | + ref={triggerRef} |
| 68 | + tabIndex={0} |
| 69 | + aria-describedby={id} |
| 70 | + className="inline-flex focus-visible:outline focus-visible:outline-2 focus-visible:outline-cyan-400 rounded" |
| 71 | + onMouseEnter={() => setVisible(true)} |
| 72 | + onMouseLeave={() => setVisible(false)} |
| 73 | + onFocus={() => setVisible(true)} |
| 74 | + onBlur={() => setVisible(false)} |
| 75 | + > |
| 76 | + {children} |
| 77 | + </span> |
| 78 | + |
| 79 | + {visible && ( |
| 80 | + <div |
| 81 | + id={id} |
| 82 | + role="tooltip" |
| 83 | + className="fixed z-[9999] max-w-xs rounded-md bg-slate-900 px-3 py-2 text-xs leading-relaxed text-white shadow-xl border border-slate-700 pointer-events-none" |
| 84 | + style={{ |
| 85 | + left: position.left, |
| 86 | + top: position.top, |
| 87 | + transform: |
| 88 | + side === "top" |
| 89 | + ? "translate(-50%, -100%)" |
| 90 | + : "translate(-50%, 0)", |
| 91 | + }} |
| 92 | + > |
| 93 | + {content} |
| 94 | + </div> |
| 95 | + )} |
| 96 | + </> |
| 97 | + ); |
| 98 | +} |
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