Make search global: modal opened from sidebar, mobile menu and / key
This commit is contained in:
dtonon
parent
d67b789f28
commit
950bdf1925
7 changed files with 290 additions and 234 deletions
233
src/lib/components/SearchModal.svelte
Normal file
233
src/lib/components/SearchModal.svelte
Normal file
|
|
@ -0,0 +1,233 @@
|
|||
<script lang="ts">
|
||||
import { tick } from "svelte";
|
||||
import { goto } from "$app/navigation";
|
||||
import { searchThreads, type SearchResult } from "$lib/search";
|
||||
import { searchModal, openSearch, closeSearch } from "$lib/searchModal.svelte";
|
||||
|
||||
let query = $state("");
|
||||
let results = $state<SearchResult[]>([]);
|
||||
let resultsQuery = $state(""); // The query that produced the current results
|
||||
let searching = $state(false);
|
||||
let activeIndex = $state(-1);
|
||||
let inputEl = $state<HTMLInputElement | null>(null);
|
||||
let timer: ReturnType<typeof setTimeout> | null = null;
|
||||
let seq = 0;
|
||||
|
||||
const active = $derived(resultsQuery.trim().length >= 2);
|
||||
|
||||
// Focus (and select, so a stale query is typed over) when the modal opens
|
||||
$effect(() => {
|
||||
if (searchModal.open)
|
||||
tick().then(() => {
|
||||
inputEl?.focus();
|
||||
inputEl?.select();
|
||||
});
|
||||
});
|
||||
|
||||
function schedule() {
|
||||
const q = query.trim();
|
||||
if (timer) clearTimeout(timer);
|
||||
activeIndex = -1;
|
||||
if (q.length < 2) {
|
||||
seq++; // Supersede any in-flight query
|
||||
results = [];
|
||||
resultsQuery = "";
|
||||
searching = false;
|
||||
return;
|
||||
}
|
||||
searching = true;
|
||||
timer = setTimeout(async () => {
|
||||
const id = ++seq;
|
||||
try {
|
||||
const r = await searchThreads(q);
|
||||
if (id !== seq) return;
|
||||
results = r;
|
||||
resultsQuery = q;
|
||||
} finally {
|
||||
if (id === seq) searching = false;
|
||||
}
|
||||
}, 300);
|
||||
}
|
||||
|
||||
function select(r: SearchResult) {
|
||||
closeSearch();
|
||||
goto(`/thread/${r.threadId}`);
|
||||
}
|
||||
|
||||
function onInputKeydown(e: KeyboardEvent) {
|
||||
if (results.length === 0) return;
|
||||
if (e.key === "ArrowDown") {
|
||||
e.preventDefault();
|
||||
activeIndex = (activeIndex + 1) % results.length;
|
||||
} else if (e.key === "ArrowUp") {
|
||||
e.preventDefault();
|
||||
activeIndex = (activeIndex - 1 + results.length) % results.length;
|
||||
} else if (e.key === "Enter" && activeIndex >= 0) {
|
||||
e.preventDefault();
|
||||
select(results[activeIndex]);
|
||||
}
|
||||
}
|
||||
|
||||
const terms = $derived(resultsQuery.split(/\s+/).filter((t) => t.length >= 2));
|
||||
|
||||
function escapeRe(s: string): string {
|
||||
return s.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
|
||||
}
|
||||
|
||||
// Split into alternating plain/matched segments for <mark> rendering
|
||||
function highlight(text: string): { text: string; hit: boolean }[] {
|
||||
if (!text || terms.length === 0) return [{ text, hit: false }];
|
||||
const alts = terms.map(escapeRe).join("|");
|
||||
const exact = new RegExp(`^(${alts})$`, "i");
|
||||
return text
|
||||
.split(new RegExp(`(${alts})`, "gi"))
|
||||
.filter((s) => s !== "")
|
||||
.map((s) => ({ text: s, hit: exact.test(s) }));
|
||||
}
|
||||
|
||||
// Global "/" opens the search from any page, unless typing somewhere else
|
||||
function onWindowKeydown(e: KeyboardEvent) {
|
||||
if (searchModal.open) {
|
||||
if (e.key === "Escape") closeSearch();
|
||||
return;
|
||||
}
|
||||
if (e.key !== "/" || e.metaKey || e.ctrlKey || e.altKey) return;
|
||||
const t = e.target as HTMLElement | null;
|
||||
if (
|
||||
t &&
|
||||
(t.tagName === "INPUT" || t.tagName === "TEXTAREA" || t.isContentEditable)
|
||||
)
|
||||
return;
|
||||
e.preventDefault();
|
||||
openSearch();
|
||||
}
|
||||
</script>
|
||||
|
||||
<svelte:window onkeydown={onWindowKeydown} />
|
||||
|
||||
{#if searchModal.open}
|
||||
<div class="fixed inset-0 z-50 flex flex-col items-center px-4 pt-[12vh]">
|
||||
<button
|
||||
type="button"
|
||||
aria-label="Close search"
|
||||
class="absolute inset-0 bg-black/40"
|
||||
onclick={closeSearch}
|
||||
></button>
|
||||
<div
|
||||
class="relative w-full max-w-xl rounded-lg bg-white p-3 shadow-xl dark:bg-neutral-900"
|
||||
role="dialog"
|
||||
aria-modal="true"
|
||||
aria-label="Search"
|
||||
>
|
||||
<div class="relative">
|
||||
<svg
|
||||
xmlns="http://www.w3.org/2000/svg"
|
||||
class="pointer-events-none absolute top-1/2 left-4 h-5 w-5 -translate-y-1/2 text-neutral-400 dark:text-neutral-500"
|
||||
fill="none"
|
||||
viewBox="0 0 24 24"
|
||||
stroke="currentColor"
|
||||
stroke-width="2"
|
||||
aria-hidden="true"
|
||||
>
|
||||
<path
|
||||
stroke-linecap="round"
|
||||
stroke-linejoin="round"
|
||||
d="m21 21-5.197-5.197m0 0A7.5 7.5 0 1 0 5.196 5.196a7.5 7.5 0 0 0 10.607 10.607Z"
|
||||
/>
|
||||
</svg>
|
||||
<input
|
||||
bind:this={inputEl}
|
||||
bind:value={query}
|
||||
type="search"
|
||||
placeholder="Search"
|
||||
role="combobox"
|
||||
aria-expanded={active}
|
||||
aria-controls={active ? "search-results" : undefined}
|
||||
aria-activedescendant={activeIndex >= 0
|
||||
? `search-result-${activeIndex}`
|
||||
: undefined}
|
||||
aria-label="Search discussions"
|
||||
autocomplete="off"
|
||||
oninput={schedule}
|
||||
onkeydown={onInputKeydown}
|
||||
class="focus:ring-accent focus:dark:ring-accent w-full rounded border border-neutral-200 bg-neutral-100 py-2 pr-14 pl-11 text-neutral-800 placeholder-neutral-400 focus:bg-neutral-50 focus:ring-1 focus:outline-none dark:border-neutral-700 dark:bg-neutral-900 dark:text-neutral-200 dark:placeholder-neutral-500 focus:dark:bg-neutral-950"
|
||||
/>
|
||||
<kbd
|
||||
class="pointer-events-none absolute top-1/2 right-3 flex h-6 -translate-y-1/2 items-center justify-center rounded-md bg-neutral-200 px-1.5 font-sans text-xs text-neutral-500 dark:bg-neutral-700 dark:text-neutral-400"
|
||||
aria-hidden="true">esc</kbd
|
||||
>
|
||||
</div>
|
||||
|
||||
{#if active || searching}
|
||||
<div
|
||||
id="search-results"
|
||||
role="listbox"
|
||||
aria-label="Search results"
|
||||
class="mt-3 max-h-[50vh] overflow-auto border-t border-neutral-100 pt-2 dark:border-neutral-800"
|
||||
>
|
||||
{#if searching}
|
||||
<div
|
||||
class="flex items-center gap-2 px-4 py-2 text-sm text-neutral-400 dark:text-neutral-500"
|
||||
aria-live="polite"
|
||||
>
|
||||
<span
|
||||
class="inline-block h-3 w-3 animate-spin rounded-full border border-neutral-300 border-t-neutral-600 dark:border-neutral-600"
|
||||
aria-hidden="true"
|
||||
></span>
|
||||
<span>Searching…</span>
|
||||
</div>
|
||||
{:else if results.length === 0}
|
||||
<div
|
||||
class="px-4 py-2 text-sm text-neutral-400 dark:text-neutral-500"
|
||||
>
|
||||
No results
|
||||
</div>
|
||||
{/if}
|
||||
{#snippet marked(text: string)}
|
||||
{#each highlight(text) as p}
|
||||
{#if p.hit}<mark
|
||||
class="bg-secondary/40 dark:bg-secondary/30 rounded-sm text-inherit"
|
||||
>{p.text}</mark
|
||||
>{:else}{p.text}{/if}
|
||||
{/each}
|
||||
{/snippet}
|
||||
{#each results as r, i (r.threadId)}
|
||||
<a
|
||||
id="search-result-{i}"
|
||||
href="/thread/{r.threadId}"
|
||||
role="option"
|
||||
aria-selected={i === activeIndex}
|
||||
class="block rounded px-4 py-2 {i === activeIndex
|
||||
? 'bg-neutral-100 dark:bg-neutral-800'
|
||||
: ''}"
|
||||
onmousedown={(e) => {
|
||||
e.preventDefault();
|
||||
select(r);
|
||||
}}
|
||||
onmouseenter={() => (activeIndex = i)}
|
||||
>
|
||||
<span
|
||||
class="block truncate font-medium text-neutral-800 dark:text-neutral-200"
|
||||
>
|
||||
{@render marked(r.title)}
|
||||
{#if r.matchKind === "reply"}
|
||||
<span
|
||||
class="ml-1 text-xs font-normal text-neutral-400 dark:text-neutral-500"
|
||||
>reply</span
|
||||
>
|
||||
{/if}
|
||||
</span>
|
||||
{#if r.snippet}
|
||||
<span
|
||||
class="block truncate text-sm text-neutral-500 dark:text-neutral-400"
|
||||
>
|
||||
{@render marked(r.snippet)}
|
||||
</span>
|
||||
{/if}
|
||||
</a>
|
||||
{/each}
|
||||
</div>
|
||||
{/if}
|
||||
</div>
|
||||
</div>
|
||||
{/if}
|
||||
Loading…
Add table
Add a link
Reference in a new issue