mlogclub
87 lines
3.1 KiB
TypeScript
87 lines
3.1 KiB
TypeScript
"use client"
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import { memo, useEffect, useRef } from "react"
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type ImMessageHTMLProps = {
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html: string
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className?: string
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onImageSettled?: () => void
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onImageClick?: (src: string, alt?: string) => void
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}
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function ImMessageHTMLComponent({
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html,
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className = "",
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onImageSettled,
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onImageClick,
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}: ImMessageHTMLProps) {
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const containerRef = useRef<HTMLDivElement>(null)
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const onImageSettledRef = useRef(onImageSettled)
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const onImageClickRef = useRef(onImageClick)
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useEffect(() => {
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onImageSettledRef.current = onImageSettled
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}, [onImageSettled])
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useEffect(() => {
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onImageClickRef.current = onImageClick
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}, [onImageClick])
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useEffect(() => {
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const container = containerRef.current
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if (!container) {
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return
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}
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const images = Array.from(container.querySelectorAll("img"))
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if (images.length === 0) {
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return
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}
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const cleanups = images.map((image) => {
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const handleSettled = () => onImageSettledRef.current?.()
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const handleClick = () => {
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const src = image.getAttribute("src")
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if (src) {
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const alt = image.getAttribute("alt") ?? undefined
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onImageClickRef.current?.(src, alt)
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}
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}
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image.addEventListener("load", handleSettled)
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image.addEventListener("error", handleSettled)
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image.addEventListener("click", handleClick)
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if (image.complete) {
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onImageSettledRef.current?.()
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}
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image.classList.add("cursor-zoom-in")
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return () => {
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image.removeEventListener("load", handleSettled)
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image.removeEventListener("error", handleSettled)
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image.removeEventListener("click", handleClick)
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}
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})
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return () => {
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cleanups.forEach((cleanup) => cleanup())
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}
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}, [html, onImageClick, onImageSettled])
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return (
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<div
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ref={containerRef}
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className={`break-words text-sm [&_p]:m-0 [&_p+*]:mt-2 [&_img]:my-2 [&_img]:max-h-64 [&_img]:rounded-md [&_img]:object-contain [&_.im-attachment]:min-w-0 [&_.im-attachment-link]:flex [&_.im-attachment-link]:min-w-0 [&_.im-attachment-link]:items-center [&_.im-attachment-link]:gap-3 [&_.im-attachment-link]:rounded-xl [&_.im-attachment-link]:no-underline [&_.im-attachment-link]:transition-colors hover:[&_.im-attachment-link]:bg-black/5 [&_.im-attachment-icon]:flex [&_.im-attachment-icon]:size-10 [&_.im-attachment-icon]:shrink-0 [&_.im-attachment-icon]:items-center [&_.im-attachment-icon]:justify-center [&_.im-attachment-icon]:rounded-xl [&_.im-attachment-icon]:bg-black/5 [&_.im-attachment-icon_svg]:size-5 [&_.im-attachment-content]:flex [&_.im-attachment-content]:min-w-0 [&_.im-attachment-content]:flex-col [&_.im-attachment-title]:truncate [&_.im-attachment-title]:font-medium [&_.im-attachment-meta]:text-xs [&_.im-attachment-meta]:opacity-70 ${className}`}
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dangerouslySetInnerHTML={{ __html: html }}
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/>
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)
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}
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export const ImMessageHTML = memo(
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ImMessageHTMLComponent,
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(prevProps, nextProps) =>
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prevProps.html === nextProps.html &&
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prevProps.className === nextProps.className &&
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prevProps.onImageSettled === nextProps.onImageSettled &&
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prevProps.onImageClick === nextProps.onImageClick
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)
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