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import React, { useState, useRef, useEffect, useCallback } from 'react'
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import { createPortal } from 'react-dom'
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import EmojiMartPicker from '../common/EmojiMartPicker'
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import loadEmojiMartData from '../common/loadEmojiMartData'
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/**
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* Emoji picker button for the forum rich-text editor.
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* Uses the same emoji-mart picker as profile tweets / comments
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* so the UI is consistent across the whole site.
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*
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* The panel is rendered through a React portal so it escapes any
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* overflow-hidden containers (like the editor wrapper).
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*/
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export default function EmojiPicker({ onSelect, editor }) {
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const [open, setOpen] = useState(false)
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const [pickerData, setPickerData] = useState(null)
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const [panelStyle, setPanelStyle] = useState({})
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const panelRef = useRef(null)
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const buttonRef = useRef(null)
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useEffect(() => {
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if (!open || pickerData) return
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let cancelled = false
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loadEmojiMartData().then((data) => {
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if (!cancelled) {
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setPickerData(data)
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}
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})
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return () => {
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cancelled = true
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}
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}, [open, pickerData])
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// Position the portal panel relative to the trigger button
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useEffect(() => {
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if (!open || !buttonRef.current) return
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const rect = buttonRef.current.getBoundingClientRect()
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const panelWidth = 352 // emoji-mart default width
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const panelHeight = 435 // approximate picker height
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const spaceAbove = rect.top
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const openAbove = spaceAbove > panelHeight + 8
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setPanelStyle({
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position: 'fixed',
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zIndex: 9999,
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left: Math.max(8, Math.min(rect.right - panelWidth, window.innerWidth - panelWidth - 8)),
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...(openAbove
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? { bottom: window.innerHeight - rect.top + 6 }
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: { top: rect.bottom + 6 }),
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})
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}, [open])
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// Close on outside click
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useEffect(() => {
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if (!open) return
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const handler = (e) => {
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if (panelRef.current && !panelRef.current.contains(e.target) &&
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buttonRef.current && !buttonRef.current.contains(e.target)) {
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setOpen(false)
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}
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}
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document.addEventListener('mousedown', handler)
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return () => document.removeEventListener('mousedown', handler)
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}, [open])
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// Close on Escape
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useEffect(() => {
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if (!open) return
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const handler = (e) => { if (e.key === 'Escape') setOpen(false) }
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document.addEventListener('keydown', handler)
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return () => document.removeEventListener('keydown', handler)
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}, [open])
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const handleSelect = useCallback((emoji) => {
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const native = emoji.native ?? ''
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onSelect?.(native)
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if (editor) {
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editor.chain().focus().insertContent(native).run()
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}
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setOpen(false)
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}, [onSelect, editor])
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const panel = open ? createPortal(
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<div
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ref={panelRef}
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style={panelStyle}
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className="rounded-xl shadow-2xl overflow-hidden"
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>
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{pickerData ? (
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<EmojiMartPicker
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data={pickerData}
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onEmojiSelect={handleSelect}
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theme="dark"
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previewPosition="none"
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skinTonePosition="search"
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maxFrequentRows={2}
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perLine={9}
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/>
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) : (
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<div className="flex h-24 w-[352px] items-center justify-center bg-zinc-900 px-4 text-sm text-zinc-300">
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Loading emojis...
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</div>
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)}
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</div>,
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document.body,
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) : null
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return (
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<div className="relative">
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<button
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ref={buttonRef}
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type="button"
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onClick={() => setOpen((v) => !v)}
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title="Insert emoji"
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aria-label="Open emoji picker"
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aria-expanded={open}
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className={[
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'inline-flex h-8 w-8 items-center justify-center rounded-lg text-sm transition-colors',
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'focus:outline-none focus-visible:ring-2 focus-visible:ring-sky-400',
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open
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? 'bg-sky-600/25 text-sky-300'
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: 'text-zinc-400 hover:bg-white/[0.06] hover:text-zinc-200',
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].join(' ')}
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>
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<span className="text-[15px]">😊</span>
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</button>
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{panel}
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</div>
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)
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}
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