279 lines
9.7 KiB
TypeScript
279 lines
9.7 KiB
TypeScript
import React, { useId, useState, useEffect, createContext, useContext, Fragment } from "react";
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import { SearchResult } from "@/services/FlexSearchService";
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import { Dialog, DialogPanel } from "@headlessui/react";
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import { useDebounce } from "@/hooks/useDebounce";
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import Highlighter from "react-highlight-words";
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import { navigation } from "@/lib/navigation";
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import { navigate } from "vike/client/router";
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import { onSearch } from "./Search.telefunc";
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import clsx from "clsx";
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const SearchContext = createContext<{
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query: string;
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close: () => void;
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results: SearchResult[];
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isLoading: boolean;
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isOpened: boolean;
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setQuery: (query: string) => void;
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setIsOpened: (isOpened: boolean) => void;
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setIsLoading: (isLoading: boolean) => void;
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setResults: (results: SearchResult[]) => void;
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}>({
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query: "",
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close: () => {},
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results: [],
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isLoading: false,
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isOpened: false,
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setQuery: () => {},
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setIsOpened: () => {},
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setIsLoading: () => {},
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setResults: () => {},
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});
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function SearchIcon(props: React.ComponentPropsWithoutRef<"svg">) {
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return (
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<svg aria-hidden="true" viewBox="0 0 20 20" {...props}>
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<path d="M16.293 17.707a1 1 0 0 0 1.414-1.414l-1.414 1.414ZM9 14a5 5 0 0 1-5-5H2a7 7 0 0 0 7 7v-2ZM4 9a5 5 0 0 1 5-5V2a7 7 0 0 0-7 7h2Zm5-5a5 5 0 0 1 5 5h2a7 7 0 0 0-7-7v2Zm8.707 12.293-3.757-3.757-1.414 1.414 3.757 3.757 1.414-1.414ZM14 9a4.98 4.98 0 0 1-1.464 3.536l1.414 1.414A6.98 6.98 0 0 0 16 9h-2Zm-1.464 3.536A4.98 4.98 0 0 1 9 14v2a6.98 6.98 0 0 0 4.95-2.05l-1.414-1.414Z" />
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</svg>
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);
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}
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function LoadingIcon(props: React.ComponentPropsWithoutRef<"svg">) {
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const id = useId();
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return (
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<svg viewBox="0 0 20 20" fill="none" aria-hidden="true" {...props}>
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<circle cx="10" cy="10" r="5.5" strokeLinejoin="round" />
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<path stroke={`url(#${id})`} strokeLinecap="round" strokeLinejoin="round" d="M15.5 10a5.5 5.5 0 1 0-5.5 5.5" />
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<defs>
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<linearGradient id={id} x1="13" x2="9.5" y1="9" y2="15" gradientUnits="userSpaceOnUse">
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<stop stopColor="currentColor" />
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<stop offset="1" stopColor="currentColor" stopOpacity="0" />
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</linearGradient>
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</defs>
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</svg>
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);
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}
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function SearchInput() {
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const { close, setQuery, query, isLoading } = useContext(SearchContext);
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return (
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<div className="group relative flex h-12">
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<SearchIcon className="pointer-events-none absolute top-0 left-4 h-full w-5 fill-slate-400 dark:fill-slate-500" />
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<input
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data-autofocus
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className={clsx(
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"flex-auto appearance-none bg-transparent pl-12 text-slate-900 outline-hidden placeholder:text-slate-400 focus:w-full focus:flex-none sm:text-sm dark:text-white [&::-webkit-search-cancel-button]:hidden [&::-webkit-search-decoration]:hidden [&::-webkit-search-results-button]:hidden [&::-webkit-search-results-decoration]:hidden",
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isLoading ? "pr-11" : "pr-4",
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)}
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onKeyDown={(event) => {
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if (event.key === "Escape") {
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// In Safari, closing the dialog with the escape key can sometimes cause the scroll position to jump to the
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// bottom of the page. This is a workaround for that until we can figure out a proper fix in Headless UI.
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if (document.activeElement instanceof HTMLElement) {
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document.activeElement.blur();
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}
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close();
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}
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}}
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value={query}
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onChange={(event) => setQuery(event.currentTarget.value)}
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/>
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{isLoading && (
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<div className="absolute inset-y-0 right-3 flex items-center">
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<LoadingIcon className="h-6 w-6 animate-spin stroke-slate-200 text-slate-400 dark:stroke-slate-700 dark:text-slate-500" />
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</div>
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)}
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</div>
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);
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}
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function HighlightQuery({ text, query }: { text: string; query: string }) {
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return (
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<Highlighter
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highlightClassName="group-aria-selected:underline bg-transparent text-violet-600 dark:text-violet-400"
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searchWords={[query]}
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autoEscape={true}
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textToHighlight={text}
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/>
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);
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}
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function SearchResultItem({ result, query }: { result: SearchResult; query: string }) {
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const { close } = useContext(SearchContext);
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const id = useId();
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const sectionTitle = navigation.find((section) =>
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section.links.find((link) => link.href === result.url.split("#")[0]),
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)?.title;
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const hierarchy = [sectionTitle, result.pageTitle].filter((x): x is string => typeof x === "string");
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return (
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<li
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className="group block cursor-default rounded-lg px-3 py-2 aria-selected:bg-slate-100 dark:aria-selected:bg-slate-700/30 hover:bg-slate-100 dark:hover:bg-slate-700/30"
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aria-labelledby={`${id}-hierarchy ${id}-title`}
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role="option"
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tabIndex={0}
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onClick={() => {
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navigate(result.url);
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close();
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}}
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>
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<div
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id={`${id}-title`}
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aria-hidden="true"
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className="text-sm text-slate-700 group-aria-selected:text-violet-600 dark:text-slate-300 dark:group-aria-selected:text-violet-400"
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>
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<HighlightQuery text={result.title} query={query} />
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</div>
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{hierarchy.length > 0 && (
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<div
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id={`${id}-hierarchy`}
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aria-hidden="true"
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className="mt-0.5 truncate text-xs whitespace-nowrap text-slate-500 dark:text-slate-400"
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>
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{hierarchy.map((item, itemIndex, items) => (
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<Fragment key={itemIndex}>
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<HighlightQuery text={item} query={query} />
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<span className={itemIndex === items.length - 1 ? "sr-only" : "mx-2 text-slate-300 dark:text-slate-700"}>
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/
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</span>
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</Fragment>
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))}
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</div>
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)}
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</li>
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);
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}
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function SearchResults() {
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const { results, query } = useContext(SearchContext);
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if (results.length === 0) {
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return (
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<p className="px-4 py-8 text-center text-sm text-slate-700 dark:text-slate-400">
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Aucun résultat pour “
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<span className="break-words text-slate-900 dark:text-white">{query}</span>
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”
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</p>
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);
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}
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return (
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<ul>
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{results.map((result) => (
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<SearchResultItem key={result.url} result={result} query={query} />
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))}
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</ul>
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);
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}
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function SearchDialog({ className }: { className?: string }) {
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const { close, isOpened, setIsOpened, results } = useContext(SearchContext);
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useEffect(() => {
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if (isOpened) return;
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function onKeyDown(event: KeyboardEvent) {
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if (event.key === "k" && (event.metaKey || event.ctrlKey)) {
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event.preventDefault();
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setIsOpened(true);
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}
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}
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window.addEventListener("keydown", onKeyDown);
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return () => {
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window.removeEventListener("keydown", onKeyDown);
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};
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}, [isOpened, setIsOpened]);
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return (
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<>
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<Dialog open={isOpened} onClose={close} className={clsx("fixed inset-0 z-50", className)}>
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<div className="fixed inset-0 bg-slate-900/50 backdrop-blur-sm" />
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<div className="fixed inset-0 overflow-y-auto px-4 py-4 sm:px-6 sm:py-20 md:py-32 lg:px-8 lg:py-[15vh]">
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<DialogPanel className="mx-auto transform-gpu overflow-hidden rounded-xl bg-white shadow-xl sm:max-w-xl dark:bg-slate-800 dark:ring-1 dark:ring-slate-700">
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<form onSubmit={(event) => event.preventDefault()}>
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<SearchInput />
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<div className="border-t border-slate-200 bg-white px-2 py-3 empty:hidden dark:border-slate-400/10 dark:bg-slate-800">
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{results.length > 0 && <SearchResults />}
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</div>
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</form>
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</DialogPanel>
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</div>
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</Dialog>
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</>
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);
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}
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export function Search() {
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const [results, setResults] = useState<SearchResult[]>([]);
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const [debouncedQuery, setDebouncedQuery] = useDebounce();
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const [modifierKey, setModifierKey] = useState<string>();
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const [isLoading, setIsLoading] = useState(false);
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const [isOpened, setIsOpened] = useState(false);
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const [query, setQuery] = useState("");
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useEffect(() => {
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const platform = navigator.userAgentData?.platform || navigator.platform;
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setModifierKey(/(Mac|iPhone|iPod|iPad)/i.test(platform) ? "⌘" : "Ctrl ");
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}, []);
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useEffect(() => {
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setDebouncedQuery(query);
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}, [query]);
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useEffect(() => {
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if (debouncedQuery.length === 0) {
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setIsLoading(false);
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setResults([]);
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return;
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}
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setIsLoading(true);
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onSearch(debouncedQuery, 5)
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.then(setResults)
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.finally(() => {
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setIsLoading(false);
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});
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}, [debouncedQuery]);
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return (
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<SearchContext.Provider
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value={{
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query,
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close: () => setIsOpened(false),
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results,
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isLoading,
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isOpened,
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setQuery,
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setIsOpened,
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setIsLoading,
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setResults,
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}}
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>
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<button
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type="button"
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className="group flex h-6 w-6 items-center justify-center sm:justify-start md:h-auto md:w-80 md:flex-none md:rounded-lg md:py-2.5 md:pr-3.5 md:pl-4 md:text-sm md:ring-1 md:ring-slate-200 md:hover:ring-slate-300 lg:w-96 dark:md:bg-slate-800/75 dark:md:ring-white/5 dark:md:ring-inset dark:md:hover:bg-slate-700/40 dark:md:hover:ring-slate-500"
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onClick={() => setIsOpened(true)}
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>
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<SearchIcon className="h-5 w-5 flex-none fill-slate-400 group-hover:fill-slate-500 md:group-hover:fill-slate-400 dark:fill-slate-500" />
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<span className="sr-only md:not-sr-only md:ml-2 md:text-slate-500 md:dark:text-slate-400">Rechercher...</span>
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{modifierKey && (
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<kbd className="ml-auto hidden font-medium text-slate-400 md:block dark:text-slate-500">
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<kbd className="font-sans">{modifierKey}</kbd>
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<kbd className="font-sans">K</kbd>
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</kbd>
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)}
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</button>
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<SearchDialog />
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</SearchContext.Provider>
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);
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}
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