anki/ts/editable/Mathjax.svelte
2021-09-15 13:43:37 +02:00

42 lines
982 B
Svelte

<!--
Copyright: Ankitects Pty Ltd and contributors
License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
-->
<script lang="ts">
import { getContext } from "svelte";
import { nightModeKey } from "components/context-keys";
import { convertMathjax } from "./mathjax";
export let mathjax: string;
export let block: boolean;
/* have fixed fontSize for normal */
export const fontSize: number = 20;
const nightMode = getContext<boolean>(nightModeKey);
$: [converted, title] = convertMathjax(mathjax, nightMode, fontSize);
$: empty = title === "MathJax";
$: encoded = encodeURIComponent(converted);
</script>
<img
src="data:image/svg+xml,{encoded}"
class:block
class:empty
alt="Mathjax"
{title}
data-anki="mathjax"
on:dragstart|preventDefault
/>
<style lang="scss">
.block {
display: block;
margin: auto;
}
.empty {
vertical-align: sub;
}
</style>