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leaflet fork for copy edit / bug fixes forked from leaflet.pub/leaflet
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263"use client";
import { useCallback, useEffect, useRef, useState } from "react";
export type ImageLoadStatus = "loading" | "loaded" | "error";
export function useImageLoadStatus(src: string | undefined) { let [status, setStatus] = useState<ImageLoadStatus>("loading"); let [attempt, setAttempt] = useState(0); let ref = useRef<HTMLImageElement | null>(null);
useEffect(() => { if (!src) return; let img = ref.current; // A cached image can settle before the handlers attach if (img?.complete) setStatus(img.naturalWidth > 0 ? "loaded" : "error"); else setStatus("loading"); }, [src, attempt]);
return { status, imgProps: { ref, onLoad: useCallback(() => setStatus("loaded"), []), onError: useCallback(() => setStatus("error"), []), }, reset: useCallback(() => { setStatus("loading"); setAttempt((a) => a + 1); }, []), };}
// `compact` drops the message for small surfaces like gallery thumbnails.export function ImageErrorState(props: { message: string; actionLabel: string; onAction: () => void; compact?: boolean; className?: string;}) { return ( <div className={`imageErrorState absolute inset-0 z-10 light-container flex items-center justify-center text-tertiary text-sm ${props.className ?? ""}`} > <div className="flex flex-wrap gap-1 items-baseline justify-center text-center px-3"> {!props.compact && <span>{props.message}</span>} <button type="button" className="text-accent-contrast font-bold hover:underline" onMouseDown={(e) => e.preventDefault()} onClick={(e) => { e.stopPropagation(); props.onAction(); }} > {props.actionLabel} </button> </div> </div> );}