{"$schema":"https://ui.shadcn.com/schema/registry-item.json","name":"c-emoji-picker-6","type":"registry:block","title":"Shortcode suggestions","description":"A design review reply where typing a colon shortcode shows emoji suggestions under the field.","dependencies":[],"registryDependencies":["avatar","button","card","@reui/emoji-picker","input-group","item"],"files":[{"path":"c-emoji-picker-6.tsx","type":"registry:block","content":"\"use client\"\n\nimport { useEffect, useId, useRef, useState, type FormEvent } from \"react\"\nimport {\n EmojiPicker,\n EmojiPickerContent,\n EmojiPickerTrigger,\n getEmojiValue,\n searchEmojis,\n useEmojiPickerData,\n type EmojiPickerEmoji,\n} from \"@/components/reui/emoji-picker\"\n\nimport {\n Avatar,\n AvatarFallback,\n AvatarImage,\n} from \"@/components/ui/avatar\"\nimport { Button } from \"@/components/ui/button\"\nimport {\n Card,\n CardContent,\n CardDescription,\n CardFooter,\n CardHeader,\n CardTitle,\n} from \"@/components/ui/card\"\nimport {\n InputGroup,\n InputGroupAddon,\n InputGroupInput,\n} from \"@/components/ui/input-group\"\nimport {\n Item,\n ItemContent,\n ItemDescription,\n ItemMedia,\n ItemTitle,\n} from \"@/components/ui/item\"\nimport { IconPlaceholder } from \"@/app/(create)/components/icon-placeholder\"\n\ntype Author = { name: string; initials: string; avatar: string }\n\ntype Comment = { id: string; author: Author; time: string; text: string }\n\nconst photo = (id: string) =>\n `https://images.unsplash.com/photo-${id}?w=96&h=96&dpr=2&q=80`\n\nconst PRIYA: Author = {\n name: \"Priya Shah\",\n initials: \"PS\",\n avatar: photo(\"1584308972272-9e4e7685e80f\"),\n}\nconst LUCAS: Author = {\n name: \"Lucas Martin\",\n initials: \"LM\",\n avatar: photo(\"1527980965255-d3b416303d12\"),\n}\nconst ME: Author = {\n name: \"Mira Stone\",\n initials: \"MS\",\n avatar: photo(\"1494790108377-be9c29b29330\"),\n}\n\nconst THREAD: Comment[] = [\n {\n id: \"c1\",\n author: PRIYA,\n time: \"10:12 AM\",\n text: \"Moved the promo code field under the total and tightened the order summary. Ready for another look.\",\n },\n {\n id: \"c2\",\n author: LUCAS,\n time: \"10:20 AM\",\n text: \"Pay button stays above the fold on the smallest phones now.\",\n },\n]\n\n/* Ends mid-shortcode so the suggestions already show on load. */\nconst DRAFT = \"So much cleaner now :fire\"\n\n/* `:` then two or more letters, right before the caret. */\nconst TOKEN = /(?:^|\\s):([\\p{L}\\p{N}_+-]{2,})$/u\n/* The rest of the word after the caret, replaced along with the token. */\nconst TAIL = /^[\\p{L}\\p{N}_+-]*/u\n/* A finished `:shortcode:`, converted as soon as the closing colon lands. */\nconst FINISHED = /:([a-z0-9_+-]+):$/\n\nconst shortcodeOf = (emoji: EmojiPickerEmoji) =>\n `:${emoji.shortcodes[0] ?? emoji.label.replace(/\\s+/g, \"_\")}:`\n\nconst sentenceCase = (text: string) =>\n text.charAt(0).toUpperCase() + text.slice(1)\n\nexport function Pattern() {\n const id = useId()\n /* The same shared data the picker loads, fetched once for both. */\n const { data } = useEmojiPickerData()\n const [comments, setComments] = useState(THREAD)\n const [text, setText] = useState(DRAFT)\n const [caret, setCaret] = useState(DRAFT.length)\n const [highlight, setHighlight] = useState(0)\n /* Escape hides the list for this exact token only; the next keystroke\n makes a new token and the list comes back. */\n const [dismissed, setDismissed] = useState(null)\n const fieldRef = useRef(null)\n const empty = !text.trim()\n\n /* The DOM caret starts at 0 while `caret` starts at the end; matching them\n makes a click into the field resume where the draft stops. */\n useEffect(() => {\n fieldRef.current?.setSelectionRange(DRAFT.length, DRAFT.length)\n }, [])\n\n const token = TOKEN.exec(text.slice(0, caret))?.[1] ?? null\n const suggestions =\n token && data && token !== dismissed\n ? searchEmojis(data.emojis, token, { limit: 5 })\n : []\n const active = suggestions[Math.min(highlight, suggestions.length - 1)]\n const open = suggestions.length > 0\n\n const place = (next: string, position: number) => {\n setText(next)\n setCaret(position)\n setHighlight(0)\n /* Focus now, the caret after React writes the value, or the browser\n parks it at the end of the text. A focus() deferred to that frame\n would pull focus back from wherever a fast Tab already took it. */\n fieldRef.current?.focus()\n requestAnimationFrame(() =>\n fieldRef.current?.setSelectionRange(position, position)\n )\n }\n\n const accept = (emoji: EmojiPickerEmoji) => {\n if (!token) return\n const from = caret - token.length - 1\n const to = caret + (TAIL.exec(text.slice(caret))?.[0].length ?? 0)\n const rest = text.slice(to)\n const value = getEmojiValue(emoji)\n /* Reuse a space that already follows the word instead of doubling it;\n either way the caret lands after the space, ready for the next word. */\n const insert = /^\\s/.test(rest) ? value : `${value} `\n place(text.slice(0, from) + insert + rest, from + value.length + 1)\n }\n\n /* A pick from the picker lands at the caret. The field is blurred while\n the popover is open, so this writes the value and the selection by\n hand; returnFocus brings focus back with the caret already placed. */\n const insert = (value: string) => {\n const field = fieldRef.current\n if (!field) return\n const start = field.selectionStart ?? text.length\n const end = field.selectionEnd ?? start\n const next = text.slice(0, start) + value + text.slice(end)\n field.value = next\n field.setSelectionRange(start + value.length, start + value.length)\n setText(next)\n setCaret(start + value.length)\n }\n\n const post = (event?: FormEvent) => {\n event?.preventDefault()\n /* An empty submit sends the user back to the field. */\n if (empty) {\n fieldRef.current?.focus()\n return\n }\n setComments([\n ...comments,\n {\n id: `c${comments.length + 1}`,\n author: ME,\n time: \"Just now\",\n text: text.trim(),\n },\n ])\n setDismissed(null)\n place(\"\", 0)\n }\n\n return (\n \n \n Mobile checkout\n Design review\n \n \n {/* Plain rows, not Items: an Item pads its media in from the edge\n the title and the composer share. A log announces each comment\n as it lands, so a post needs no separate status region. */}\n
\n {comments.map((comment) => (\n
\n {/* An empty alt: the name sits beside the photo. */}\n \n \n {comment.author.initials}\n \n
\n
\n {comment.author.name}\n \n \n {comment.time}\n \n
\n

{comment.text}

\n
\n
\n ))}\n
\n \n \n
\n

\n {open\n ? `${suggestions.length} emoji suggestion${suggestions.length === 1 ? \"\" : \"s\"}`\n : \"\"}\n

\n \n {\n const value = event.target.value\n const position = event.target.selectionStart ?? value.length\n setText(value)\n setCaret(position)\n setHighlight(0)\n setDismissed(null)\n const finished = FINISHED.exec(value.slice(0, position))\n const match =\n finished &&\n data?.emojis.find((emoji) =>\n emoji.shortcodes.includes(finished[1])\n )\n if (finished && match) {\n const head =\n value.slice(0, position - finished[0].length) +\n getEmojiValue(match)\n place(head + value.slice(position), head.length)\n }\n }}\n /* The selection end, so a select-all on focus keeps the\n token under the caret. */\n onSelect={(event) =>\n setCaret(event.currentTarget.selectionEnd ?? 0)\n }\n /* A list left open after focus moves on reads as stuck.\n Coming back to an unfinished token shows it again. */\n onBlur={() => setDismissed(token)}\n onFocus={() => setDismissed(null)}\n onKeyDown={(event) => {\n /* Enter also confirms an IME composition; that one belongs\n to the input method. */\n if (event.nativeEvent.isComposing) return\n /* Cmd/Ctrl+Enter posts the draft as typed, list or not. */\n if (event.key === \"Enter\" && (event.metaKey || event.ctrlKey)) {\n event.preventDefault()\n post()\n return\n }\n /* With no list open, Enter submits and Tab leaves. */\n if (!active) return\n if (event.key === \"ArrowDown\" || event.key === \"ArrowUp\") {\n event.preventDefault()\n const step = event.key === \"ArrowDown\" ? 1 : -1\n setHighlight(\n (suggestions.indexOf(active) + step + suggestions.length) %\n suggestions.length\n )\n } else if (\n event.key === \"Enter\" ||\n (event.key === \"Tab\" && !event.shiftKey)\n ) {\n event.preventDefault()\n accept(active)\n } else if (event.key === \"Escape\") {\n event.preventDefault()\n setDismissed(token)\n }\n }}\n />\n \n {/* Controlled to null so the trigger keeps its smiley: this\n button inserts, it does not hold a value. Opening it hides\n the suggestions, which would sit under the popover. */}\n next && setDismissed(token)}\n onEmojiSelect={({ value }) => insert(value)}\n >\n \n {/* Above the field so the thread stays in view; it flips\n below when the page leaves no room. */}\n \n \n {/* Never `disabled`: inside an InputGroup that greys out the\n whole field. The button fills once there is a draft. */}\n \n \n \n \n \n {/* Under the field, so the line being typed never moves when it\n opens. Rows are not focusable: the field keeps focus and\n aria-activedescendant points at one. A press would blur the\n field, closing the list before the click lands. */}\n {open && (\n event.preventDefault()}\n >\n {suggestions.map((emoji, index) => (\n setHighlight(index)}\n onClick={() => accept(emoji)}\n >\n \n {emoji.emoji}\n \n \n {/* One row on a shared baseline: the 12px shortcode\n centred beside the 14px name sits visibly high.\n Both ellipsize, so a long name never wraps the row\n or pushes the emoji onto a line of its own; the\n shortcode, which repeats the name, gives way first. */}\n
\n \n \n {sentenceCase(emoji.label)}\n \n \n \n \n {shortcodeOf(emoji)}\n \n \n
\n \n \n ))}\n \n )}\n \n
\n \n )\n}","target":"components/examples/c-emoji-picker-6.tsx"}],"meta":{"order":6,"label":"Shortcode Suggestions"}}