astro/examples/with-markdoc/src/components/Aside.astro

---
// Inspired by the `Aside` component from docs.astro.build
// https://github.com/withastro/docs/blob/main/src/components/Aside.astro

export interface Props {
	type?: 'note' | 'tip' | 'caution' | 'danger';
	title?: string;
}

const labelByType = {
	note: 'Note',
	tip: 'Tip',
	caution: 'Caution',
	danger: 'Danger',
};
const { type = 'note' } = Astro.props as Props;
const title = Astro.props.title ?? labelByType[type] ?? '';

// SVG icon paths based on GitHub Octicons
const icons: Record<NonNullable<Props['type']>, { viewBox: string; d: string }> = {
	note: {
		viewBox: '0 0 18 18',
		d: 'M0 3.75C0 2.784.784 2 1.75 2h12.5c.966 0 1.75.784 1.75 1.75v8.5A1.75 1.75 0 0114.25 14H1.75A1.75 1.75 0 010 12.25v-8.5zm1.75-.25a.25.25 0 00-.25.25v8.5c0 .138.112.25.25.25h12.5a.25.25 0 00.25-.25v-8.5a.25.25 0 00-.25-.25H1.75zM3.5 6.25a.75.75 0 01.75-.75h7a.75.75 0 010 1.5h-7a.75.75 0 01-.75-.75zm.75 2.25a.75.75 0 000 1.5h4a.75.75 0 000-1.5h-4z',
	},
	tip: {
		viewBox: '0 0 18 18',
		d: 'M14 0a8.8 8.8 0 0 0-6 2.6l-.5.4-.9 1H3.3a1.8 1.8 0 0 0-1.5.8L.1 7.6a.8.8 0 0 0 .4 1.1l3.1 1 .2.1 2.4 2.4.1.2 1 3a.8.8 0 0 0 1 .5l2.9-1.7a1.8 1.8 0 0 0 .8-1.5V9.5l1-1 .4-.4A8.8 8.8 0 0 0 16 2v-.1A1.8 1.8 0 0 0 14.2 0h-.1zm-3.5 10.6-.3.2L8 12.3l.5 1.8 2-1.2a.3.3 0 0 0 .1-.2v-2zM3.7 8.1l1.5-2.3.2-.3h-2a.3.3 0 0 0-.3.1l-1.2 2 1.8.5zm5.2-4.5a7.3 7.3 0 0 1 5.2-2.1h.1a.3.3 0 0 1 .3.3v.1a7.3 7.3 0 0 1-2.1 5.2l-.5.4a15.2 15.2 0 0 1-2.5 2L7.1 11 5 9l1.5-2.3a15.3 15.3 0 0 1 2-2.5l.4-.5zM12 5a1 1 0 1 1-2 0 1 1 0 0 1 2 0zm-8.4 9.6a1.5 1.5 0 1 0-2.2-2.2 7 7 0 0 0-1.1 3 .2.2 0 0 0 .3.3c.6 0 2.2-.4 3-1.1z',
	},
	caution: {
		viewBox: '-1 1 18 18',
		d: 'M8.9 1.5C8.7 1.2 8.4 1 8 1s-.7.2-.9.5l-7 12a1 1 0 0 0 0 1c.2.3.6.5 1 .5H15c.4 0 .7-.2.9-.5a1 1 0 0 0 0-1l-7-12zM9 13H7v-2h2v2zm0-3H7V6h2v4z',
	},
	danger: {
		viewBox: '0 1 14 17',
		d: 'M5 .3c.9 2.2.5 3.4-.5 4.3C3.5 5.6 2 6.5 1 8c-1.5 2-1.7 6.5 3.5 7.7-2.2-1.2-2.6-4.5-.3-6.6-.6 2 .6 3.3 2 2.8 1.4-.4 2.3.6 2.2 1.7 0 .8-.3 1.4-1 1.8A5.6 5.6 0 0 0 12 10c0-2.9-2.5-3.3-1.3-5.7-1.5.2-2 1.2-1.8 2.8 0 1-1 1.8-2 1.3-.6-.4-.6-1.2 0-1.8C8.2 5.3 8.7 2.5 5 .3z',
	},
};
const { viewBox, d } = icons[type];
---

<aside class={`content ${type}`} aria-label={title}>
	<p class="title" aria-hidden="true">
		<span class="icon">
			<svg xmlns="http://www.w3.org/2000/svg" viewBox={viewBox} width={16} height={16}>
				<path fill-rule="evenodd" d={d}></path>
			</svg>
		</span>
		{title}
	</p>
	<section>
		<slot />
	</section>
</aside>

<style>
	aside {
		--color-base-purple: 269, 79%;
		--color-base-teal: 180, 80%;
		--color-base-red: 351, 100%;
		--color-base-yellow: 41, 100%;

		--aside-color-base: var(--color-base-purple);
		--aside-color-lightness: 54%;
		--aside-accent-color: hsl(var(--aside-color-base), var(--aside-color-lightness));
		--aside-text-lightness: 20%;
		--aside-text-accent-color: hsl(var(--aside-color-base), var(--aside-text-lightness));

		border-inline-start: 4px solid var(--aside-accent-color);
		padding: 1rem;
		background-color: hsla(var(--aside-color-base), var(--aside-color-lightness), 0.1);
		/* Indicates the aside boundaries for forced colors users, transparent is changed to a solid color */
		outline: 1px solid transparent;
	}

	.title {
		line-height: 1;
		margin-bottom: 0.5rem;
		font-size: 0.9rem;
		letter-spacing: 0.05em;
		font-weight: bold;
		text-transform: uppercase;
		color: var(--aside-text-accent-color);
	}

	.icon svg {
		width: 1.5em;
		height: 1.5em;
		vertical-align: middle;
		fill: currentcolor;
	}

	aside :global(a),
	aside :global(a > code:not([class*='language'])) {
		color: var(--aside-text-accent-color);
	}

	aside :global(pre) {
		margin-left: 0;
		margin-right: 0;
	}

	.tip {
		--aside-color-lightness: 42%;
		--aside-color-base: var(--color-base-teal);
	}

	.caution {
		--aside-color-lightness: 59%;
		--aside-color-base: var(--color-base-yellow);
	}

	.danger {
		--aside-color-lightness: 54%;
		--aside-color-base: var(--color-base-red);
	}
</style>