Josh Knapp
38e65619e9
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Rewrite Tooltip to use React portal (createPortal to document.body) so tooltips render above all UI elements regardless of ancestor overflow:hidden. Also increased max-width from 220px to 280px for longer descriptions. Expanded Backend tooltip to explain each option (Anthropic, Bedrock, Ollama, LiteLLM) with practical context for new users. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
79 lines
2.6 KiB
TypeScript
79 lines
2.6 KiB
TypeScript
import { useState, useRef, useLayoutEffect, type ReactNode } from "react";
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import { createPortal } from "react-dom";
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interface TooltipProps {
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text: string;
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children?: ReactNode;
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}
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/**
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* A small circled question-mark icon that shows a tooltip on hover.
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* Uses a portal to render at `document.body` so the tooltip is never
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* clipped by ancestor `overflow: hidden` containers.
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*/
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export default function Tooltip({ text, children }: TooltipProps) {
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const [visible, setVisible] = useState(false);
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const [coords, setCoords] = useState({ top: 0, left: 0 });
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const [, setPlacement] = useState<"top" | "bottom">("top");
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const triggerRef = useRef<HTMLSpanElement>(null);
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const tooltipRef = useRef<HTMLDivElement>(null);
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useLayoutEffect(() => {
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if (!visible || !triggerRef.current || !tooltipRef.current) return;
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const trigger = triggerRef.current.getBoundingClientRect();
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const tooltip = tooltipRef.current.getBoundingClientRect();
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const gap = 6;
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// Vertical: prefer above, fall back to below
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const above = trigger.top - tooltip.height - gap >= 4;
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const pos = above ? "top" : "bottom";
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setPlacement(pos);
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const top =
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pos === "top"
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? trigger.top - tooltip.height - gap
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: trigger.bottom + gap;
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// Horizontal: center on trigger, clamp to viewport
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let left = trigger.left + trigger.width / 2 - tooltip.width / 2;
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left = Math.max(4, Math.min(left, window.innerWidth - tooltip.width - 4));
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setCoords({ top, left });
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}, [visible]);
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return (
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<span
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ref={triggerRef}
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className="inline-flex items-center ml-1"
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onMouseEnter={() => setVisible(true)}
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onMouseLeave={() => setVisible(false)}
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>
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{children ?? (
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<span
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className="inline-flex items-center justify-center w-3.5 h-3.5 rounded-full border border-[var(--text-secondary)] text-[var(--text-secondary)] text-[9px] leading-none cursor-help select-none hover:border-[var(--accent)] hover:text-[var(--accent)] transition-colors"
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aria-label="Help"
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>
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?
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</span>
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)}
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{visible &&
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createPortal(
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<div
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ref={tooltipRef}
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style={{
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position: "fixed",
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top: coords.top,
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left: coords.left,
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zIndex: 9999,
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}}
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className={`px-2.5 py-1.5 text-[11px] leading-snug text-[var(--text-primary)] bg-[var(--bg-tertiary)] border border-[var(--border-color)] rounded shadow-lg whitespace-normal max-w-[280px] w-max pointer-events-none`}
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>
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{text}
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</div>,
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document.body
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)}
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</span>
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);
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}
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