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Debounce mathjax rendering via cooldown instead #4173

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Merged
dae merged 2 commits into from
Jul 7, 2025
Merged

Debounce mathjax rendering via cooldown instead #4173

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64691a8
add cooldown timer
iamllama Jul 5, 2025
74242f4
debounce mathjax rendering via cooldown instead
iamllama Jul 5, 2025
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debounce mathjax rendering via cooldown instead
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@iamllama
iamllama committed Jul 5, 2025
commit 74242f45a4e0edfcfd7c8ea2c8a363c7c6966aa9
16 changes: 7 additions & 9 deletions ts/editable/Mathjax.svelte
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Expand Up @@ -38,33 +38,31 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
import { pageTheme } from "$lib/sveltelib/theme";

import { convertMathjax, unescapeSomeEntities } from "./mathjax";
import { ChangeTimer } from "./change-timer";
import { CooldownTimer } from "./cooldown-timer";

export let mathjax: string;
export let block: boolean;
export let fontSize: number;

let converted: string, title: string;

const debouncedMathjax = writable(mathjax);
const debouncer = new ChangeTimer();
$: debouncer.schedule(() => debouncedMathjax.set(mathjax), 500);
const debouncer = new CooldownTimer(500);

$: {
$: debouncer.schedule(() => {
const cache = getCache($pageTheme.isDark, fontSize);
const entry = cache.get($debouncedMathjax);
const entry = cache.get(mathjax);
if (entry) {
[converted, title] = entry;
} else {
const entry = convertMathjax(
unescapeSomeEntities($debouncedMathjax),
unescapeSomeEntities(mathjax),
$pageTheme.isDark,
fontSize,
);
[converted, title] = entry;
cache.set($debouncedMathjax, entry);
cache.set(mathjax, entry);
}
}
});
$: empty = title === "MathJax";
$: encoded = encodeURIComponent(converted);

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