317 lines
10 KiB
TypeScript
317 lines
10 KiB
TypeScript
import type { SearchResult } from "@/services/FlexSearchService";
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import type { JSX, Accessor, Setter } from "solid-js";
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import { createContext, useContext, For, createEffect, createSignal } from "solid-js";
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import { Highlighter } from "solid-highlight-words";
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import { useDebounce } from "@/hooks/useDebounce";
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import { Dialog, DialogPanel } from "terracotta";
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import { navigation } from "@/libs/navigation";
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import { navigate } from "vike/client/router";
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import { useId } from "@/hooks/useId";
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import clsx from "clsx";
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const SearchContext = createContext<{
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query: Accessor<string>;
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close: () => void;
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results: Accessor<SearchResult[]>;
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isLoading: Accessor<boolean>;
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isOpened: Accessor<boolean>;
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setQuery: Setter<string>;
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setIsOpened: Setter<boolean>;
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setIsLoading: Setter<boolean>;
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setResults: Setter<SearchResult[]>;
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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: JSX.IntrinsicElements["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: JSX.IntrinsicElements["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" stroke-linejoin="round" />
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<path stroke={`url(#${id})`} stroke-linecap="round" stroke-linejoin="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 stop-color="currentColor" />
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<stop offset="1" stop-color="currentColor" stop-opacity="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 class="group relative flex h-12">
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<SearchIcon class="pointer-events-none absolute top-0 left-4 h-full w-5 fill-slate-400" />
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<input
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data-autofocus
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class={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 [&::-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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onInput={(event) => {
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const { value } = event.currentTarget;
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setQuery(value);
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}}
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/>
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{isLoading() && (
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<div class="absolute inset-y-0 right-3 flex items-center">
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<LoadingIcon class="h-6 w-6 animate-spin stroke-slate-200 text-slate-400" />
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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(props: { text: string; query: string }) {
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return (
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<Highlighter
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highlightClass="group-aria-selected:underline bg-transparent text-violet-600"
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searchWords={[props.query]}
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autoEscape={true}
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textToHighlight={props.text}
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/>
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);
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}
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function SearchResultItem(props: { result: SearchResult; query: string }) {
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const { close } = useContext(SearchContext);
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const id = useId();
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const getHierarchy = (): string[] => {
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const sectionTitle = navigation.find((section) => {
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return section.links.find((link) => link.href === props.result.url.split("#")[0]);
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})?.title;
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return [sectionTitle, props.result.pageTitle].filter((x): x is string => typeof x === "string");
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};
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const handleNavigate = (url: string) => {
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navigate(`/${url}`.replace(/\/+/g, "/"));
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close();
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};
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return (
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<li
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class="group block cursor-default rounded-lg px-3 py-2 aria-selected:bg-slate-100 hover:bg-slate-100"
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aria-labelledby={`${id}-hierarchy ${id}-title`}
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tab-index={0}
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onKeyDown={(event) => {
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if (event.key === "Enter") handleNavigate(props.result.url);
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}}
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onClick={() => handleNavigate(props.result.url)}
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>
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<div id={`${id}-title`} aria-hidden="true" class="text-sm text-slate-700 group-aria-selected:text-violet-600">
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<HighlightQuery text={props.result.title} query={props.query} />
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</div>
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{getHierarchy().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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class="mt-0.5 truncate text-xs whitespace-nowrap text-slate-500 dark:text-slate-400"
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>
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<For each={getHierarchy()}>
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{(item, itemIndex) => (
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<>
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<HighlightQuery text={item} query={props.query} />
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<span
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class={
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itemIndex() === getHierarchy().length - 1 ? "sr-only" : "mx-2 text-slate-300 dark:text-slate-700"
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}
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>
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/
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</span>
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</>
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)}
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</For>
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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 class="px-4 py-8 text-center text-sm text-slate-700">
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Aucun résultat pour “
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<span class="break-words text-slate-900">{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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<For each={results()}>
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{(result) => (
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<li>
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<SearchResultItem result={result} query={query()} />
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</li>
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)}
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</For>
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</ul>
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);
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}
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function SearchDialog(props: { class?: string }) {
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const { close, isOpened, setIsOpened, results } = useContext(SearchContext);
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createEffect(() => {
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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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const handleClickOutside = (event: MouseEvent) => {
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const { target, currentTarget } = event;
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if (target instanceof Node && currentTarget instanceof Node) {
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if (target === currentTarget) close();
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}
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};
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return (
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<>
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<Dialog isOpen={isOpened()} onClose={close} class={clsx("fixed inset-0 z-50", props.class)}>
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<div class="fixed inset-0 bg-slate-900/50 backdrop-blur-sm" />
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<div
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class="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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onClick={handleClickOutside}
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onKeyDown={(event) => {
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if (event.key === "Escape") close();
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}}
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>
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<DialogPanel class="mx-auto transform-gpu overflow-hidden rounded-xl bg-white shadow-xl sm:max-w-xl">
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<form onSubmit={(event) => event.preventDefault()}>
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<SearchInput />
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<div class="border-t border-slate-200 bg-white px-2 py-3 empty:hidden">
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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] = createSignal<SearchResult[]>([]);
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const [modifierKey, setModifierKey] = createSignal<string>();
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const [isLoading, setIsLoading] = createSignal(false);
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const [isOpened, setIsOpened] = createSignal(false);
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const [query, setQuery] = createSignal("");
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const debouncedQuery = useDebounce(query, 300);
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const onSearch = async (query: string) => {
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const response = await fetch(`/search?query=${query}`);
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if (!response.ok) {
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throw new Error("Network response was not ok");
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}
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const data = await response.json();
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return data;
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};
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createEffect(() => {
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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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createEffect(() => {
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const query = debouncedQuery();
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if (query.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(query)
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.then(setResults)
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.finally(() => setIsLoading(false));
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});
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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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class="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"
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onClick={() => setIsOpened(true)}
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>
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<SearchIcon class="h-5 w-5 flex-none fill-slate-400 group-hover:fill-slate-500 md:group-hover:fill-slate-400" />
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<span class="sr-only md:not-sr-only md:ml-2 md:text-slate-500">Rechercher...</span>
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{modifierKey && (
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<kbd class="ml-auto hidden font-medium text-slate-400 md:block">
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<kbd class="font-sans">{modifierKey()}</kbd>
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<kbd class="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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