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import "./VideoCard.scss";
import type { Thumbnails } from "$lib/services/server/youtube";
import getYoutubeVideoIDFromURL from "$lib/util/getYoutubeVideoIDFromURL";
import YoutubeSubscribeLink from "$lib/components/YoutubeSubscribeLink";
import Image, { type Sources, type Srcset } from "$lib/components/Image";
import getTrimmedFirstParagraph from "./getTrimmedFirstParagraph";
type VideoCardVariation = "hero" | "primary" | "secondary" | "tertiary";
interface $$Props {
class?: string;
url: string;
title?: string | null | undefined;
description?: string | null | undefined;
variation?: VideoCardVariation;
blurhash?: string | null | undefined;
thumbnails?: Thumbnails;
sizeType?: SizeType;
titleHeadingLevel?: "h2" | "h3" | "h4";
}
let className = "";
export { className as class };
export let url = "";
export let title: $$Props["title"] = null;
export let description: $$Props["description"] = null;
export let variation = "primary";
const maxDescriptionLength = 500;
$: trimmedFirstParagraph =
description && getTrimmedFirstParagraph(description, maxDescriptionLength);
export let thumbnails: Thumbnails | undefined = undefined;
export let blurhash: string | null | undefined = undefined;
const getSrcAndSourcesFromThumbnails = (
thumbs: Thumbnails,
): [{ width: number; height: number; url: string }, Sources] => {
const sorted = Object.values(thumbs).sort((a, b) => a.width - b.width);
const { width, height, url } = sorted[sorted.length - 1];
const rest = sorted.slice(0, sorted.length - 1);
const sources = [
{
type: "image/jpg",
srcset: [url, ...rest.map(({ width, url }) => [url, width])] as Srcset,
},
] as Sources;
return [{ width, height, url }, sources];
};
$: [{ url: thumbSrc, width: thumbWidth, height: thumbHeight }, thumbSources] = thumbnails
? getSrcAndSourcesFromThumbnails(thumbnails)
: [{} as Record<string, undefined>];
$: youtubeVideoID = getYoutubeVideoIDFromURL(url);
type SizeType = "hero-full-width" | "hero-col-9";
export let sizeType: SizeType = "hero-full-width";
export let titleHeadingLevel = "h3";
const bodyPadding = "2rem";
const videoCardPadding = "3rem";
const videoCardFlexGap = "1.5rem";
const descriptionWidth = "200px";
const mobileSizes = [
`(max-width: 640px) calc(100% - (${bodyPadding} + ${videoCardPadding}))`,
`(max-width: 1023px) calc(100% - (${bodyPadding} + ${videoCardPadding} + ${videoCardFlexGap} + ${descriptionWidth}))`,
];
const sizesBySizeType: Record<SizeType, string> = {
"hero-full-width": [...mobileSizes, "632px"].join(", "),
"hero-col-9": [...mobileSizes, "423px"].join(", "),
};
let showYoutubeEmbed = !thumbnails;
let lastVideoURL = url;
$: {
if (lastVideoURL !== url) showYoutubeEmbed = false;
lastVideoURL = url;
}
const handleKeyDown = (e: KeyboardEvent) => {
if (!(e.key === "Enter" || e.key === " ")) return;
if (showYoutubeEmbed) return;
e.preventDefault();
showYoutubeEmbed = true;
};
</script>
{#if youtubeVideoID}
<div class="ldaf-video-card ldaf-video-card--{variation} {className}">
<div class="ldaf-video-container">
<noscript>
<iframe
class="ldaf-video-embed"
src={`https://www.youtube-nocookie.com/embed/${youtubeVideoID}?rel=0`}
title="Embedded YouTube video player"
frameborder="0"
allow="encrypted-media;"
allowfullscreen
/>
</noscript>
{#if showYoutubeEmbed}
<iframe
class="ldaf-video-embed"
src={`https://www.youtube-nocookie.com/embed/${youtubeVideoID}?rel=0&autoplay=1`}
title="Embedded YouTube video player"
frameborder="0"
allow="autoplay;encrypted-media;"
allowfullscreen
/>
{:else if thumbnails && thumbSrc}
<div class="ldaf-video-thumbnail-container">
<button
class="ldaf-video-youtube-play-button"
on:click={() => (showYoutubeEmbed = true)}
on:keydown={handleKeyDown}
aria-label="Load video"
>
<svg height="100%" version="1.1" viewBox="0 0 68 48" width="100%"
><path
d="M66.52,7.74c-0.78-2.93-2.49-5.41-5.42-6.19C55.79,.13,34,0,34,0S12.21,.13,6.9,1.55 C3.97,2.33,2.27,4.81,1.48,7.74C0.06,13.05,0,24,0,24s0.06,10.95,1.48,16.26c0.78,2.93,2.49,5.41,5.42,6.19 C12.21,47.87,34,48,34,48s21.79-0.13,27.1-1.55c2.93-0.78,4.64-3.26,5.42-6.19C67.94,34.95,68,24,68,24S67.94,13.05,66.52,7.74z"
fill="#f00"
/><path d="M 45,24 27,14 27,34" fill="#fff" /></svg
>
</button>
<Image
src={thumbSrc}
sources={thumbSources}
sizes={sizesBySizeType[sizeType]}
{blurhash}
alt={title || ""}
width={thumbWidth}
height={thumbHeight}
preserveAspectRatio={false}
canUpscaleImage={true}
loading="eager"
class="ldaf-video-thumbnail"
on:click={() => (showYoutubeEmbed = true)}
on:keydown={handleKeyDown}
/>
</div>
{/if}
</div>
<div class="ldaf-video-info">
{#if title}
<svelte:element this={titleHeadingLevel} class="ldaf-video-title">{title}</svelte:element>
{/if}
{#if description}
<p class="ldaf-video-description">{trimmedFirstParagraph}</p>
{/if}
<YoutubeSubscribeLink />
</div>
</div>
{/if}
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