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a tool for shared writing and social publishing
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export const Tag = (props: { name: string; selected?: boolean; onDelete?: (tag: string) => void; className?: string;}) => { return ( <div className={`tag flex items-center text-xs rounded-md border ${props.selected ? "bg-accent-1 border-accent-1 font-bold" : "bg-bg-page border-border"} ${props.className}`} > <Link href={`https://leaflet.pub/tag/${encodeURIComponent(props.name)}`} className={`px-1 py-0.5 hover:no-underline! ${props.selected ? "text-accent-2" : "text-tertiary"}`} aria-label={`Tag: ${props.name}`} > {props.name}{" "} </Link> {props.selected ? ( <button type="button" onClick={() => (props.onDelete ? props.onDelete(props.name) : null)} > <CloseTiny className="scale-75 pr-1 text-accent-2" /> </button> ) : null} </div> );};
export const TagSelector = (props: { selectedTags: string[]; setSelectedTags: (tags: string[]) => void; rightAlign?: boolean;}) => { return ( <div className="flex flex-col gap-2 text-primary"> <TagSearchInput selectedTags={props.selectedTags} setSelectedTags={props.setSelectedTags} rightAlign={props.rightAlign} /> {props.selectedTags.length > 0 ? ( <div className={`flex flex-wrap gap-2 ${props.rightAlign && "justify-end"}`} > {props.selectedTags.map((tag) => ( <Tag key={tag} name={tag} selected onDelete={() => { props.setSelectedTags( props.selectedTags.filter((t) => t !== tag), ); }} /> ))} </div> ) : ( <div className={`text-tertiary italic text-sm h-6 ${props.rightAlign && "text-right"}`} > no tags selected </div> )} </div> );};
const TagSearchInput = (props: { rightAlign?: boolean; selectedTags: string[]; setSelectedTags: (tags: string[]) => void;}) => { let [tagInputValue, setTagInputValue] = useState(""); let [isOpen, setIsOpen] = useState(false); let [highlightedIndex, setHighlightedIndex] = useState(0); let [searchResults, setSearchResults] = useState<TagSearchResult[]>([]); let [isSearching, setIsSearching] = useState(false);
const placeholderInputRef = useRef<HTMLButtonElement | null>(null);
let inputWidth = placeholderInputRef.current?.clientWidth;
// Fetch tags whenever the input value changes useDebouncedEffect( async () => { setIsSearching(true); const results = await searchTags(tagInputValue); if (results) { setSearchResults(results); } setIsSearching(false); }, 300, [tagInputValue], );
const filteredTags = searchResults .filter((tag) => !props.selectedTags.includes(tag.name)) .filter((tag) => tag.name.toLowerCase().includes(tagInputValue.toLowerCase()), );
const showResults = tagInputValue.length >= 3;
function clearTagInput() { setHighlightedIndex(0); setTagInputValue(""); }
function selectTag(tag: string) { props.setSelectedTags([...props.selectedTags, tag]); clearTagInput(); }
const handleKeyDown = ( e: React.KeyboardEvent<HTMLInputElement | HTMLTextAreaElement>, ) => { if (!isOpen) return;
if (e.key === "ArrowDown") { e.preventDefault(); setHighlightedIndex((prev) => prev < filteredTags.length ? prev + 1 : prev, ); } else if (e.key === "ArrowUp") { e.preventDefault(); setHighlightedIndex((prev) => (prev > 0 ? prev - 1 : 0)); } else if (e.key === "Enter") { e.preventDefault(); selectTag( userInputResult ? highlightedIndex === 0 ? tagInputValue : filteredTags[highlightedIndex - 1].name : filteredTags[highlightedIndex].name, ); clearTagInput(); } else if (e.key === "Escape") { setIsOpen(false); } };
const userInputResult = showResults && tagInputValue !== "" && !filteredTags.some((tag) => tag.name === tagInputValue);
return ( <div className="relative"> <Input className="input-with-border grow w-full outline-none!" id="placeholder-tag-search-input" value={tagInputValue} placeholder="search tags…" onChange={(e) => { setTagInputValue(e.target.value); setIsOpen(true); setHighlightedIndex(0); }} onKeyDown={handleKeyDown} onFocus={() => { setIsOpen(true); document.getElementById("tag-search-input")?.focus(); }} /> <Popover open={isOpen} onOpenChange={() => { setIsOpen(!isOpen); if (!isOpen) setTimeout(() => { document.getElementById("tag-search-input")?.focus(); }, 100); }} className="w-full p-2! min-w-xs text-primary" sideOffset={-39} onOpenAutoFocus={(e) => e.preventDefault()} asChild trigger={ <button ref={placeholderInputRef} className="absolute left-0 top-0 right-0 h-[30px]" ></button> } noArrow > <div className="" style={{ width: `${inputWidth}px` }}> <Input className="input-with-border grow w-full mb-2" id="tag-search-input" placeholder="search tags…" value={tagInputValue} onChange={(e) => { setTagInputValue(e.target.value); setIsOpen(true); setHighlightedIndex(0); }} onKeyDown={handleKeyDown} onFocus={() => { setIsOpen(true); }} /> {props.selectedTags.length > 0 ? ( <div className={`flex flex-wrap gap-2 pb-[6px] ${props.rightAlign && "justify-end"}`} > {props.selectedTags.map((tag) => ( <Tag key={tag} name={tag} selected onDelete={() => { props.setSelectedTags( props.selectedTags.filter((t) => t !== tag), ); }} /> ))} </div> ) : ( <div className={`text-tertiary italic text-sm h-6 ${props.rightAlign && "text-right"}`} > no tags selected </div> )} <hr className=" mb-[2px] border-border-light" />
{showResults ? ( <> {userInputResult && ( <TagResult key={"userInput"} index={0} name={tagInputValue} tagged={0} highlighted={0 === highlightedIndex} setHighlightedIndex={setHighlightedIndex} onSelect={() => { selectTag(tagInputValue); }} /> )} {filteredTags.map((tag, i) => ( <TagResult key={tag.name} index={userInputResult ? i + 1 : i} name={tag.name} tagged={tag.document_count} highlighted={ (userInputResult ? i + 1 : i) === highlightedIndex } setHighlightedIndex={setHighlightedIndex} onSelect={() => { selectTag(tag.name); }} /> ))} </> ) : ( <div className="text-tertiary italic text-sm py-1"> type at least 3 characters to search </div> )} </div> </Popover> </div> );};
const TagResult = (props: { name: string; tagged: number; onSelect: () => void; index: number; highlighted: boolean; setHighlightedIndex: (i: number) => void;}) => { return ( <div className="-mx-1"> <button className={`w-full flex justify-between items-center text-left pr-1 pl-[6px] py-0.5 rounded-md ${props.highlighted ? "bg-border-light" : ""}`} onSelect={(e) => { e.preventDefault(); props.onSelect(); }} onClick={(e) => { e.preventDefault(); props.onSelect(); }} onMouseEnter={(e) => props.setHighlightedIndex(props.index)} > {props.name} <div className="text-tertiary text-sm"> {props.tagged}</div> </button> </div> );};