73 lines
1.8 KiB
Text
73 lines
1.8 KiB
Text
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---
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// Remove current url path and remove trailing slash if exists
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const currentUrlPath = Astro.url.pathname.replace(/\/+$/, "");
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// Get url array from path
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// eg: /tags/tailwindcss => ['tags', 'tailwindcss']
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const breadcrumbList = currentUrlPath.split("/").slice(1);
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// if breadcrumb is Home > Posts > 1 <etc>
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// replace Posts with Posts (page number)
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breadcrumbList[0] === "posts" &&
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breadcrumbList.splice(0, 2, `Posts (page ${breadcrumbList[1] || 1})`);
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// if breadcrumb is Home > Tags > [tag] > [page] <etc>
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// replace [tag] > [page] with [tag] (page number)
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breadcrumbList[0] === "tags" &&
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!isNaN(Number(breadcrumbList[2])) &&
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breadcrumbList.splice(
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1,
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3,
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`${breadcrumbList[1]} ${
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Number(breadcrumbList[2]) === 1 ? "" : "(page " + breadcrumbList[2] + ")"
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}`
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);
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---
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<nav class="breadcrumb" aria-label="breadcrumb">
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<ul>
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<li>
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<a href="/">Home</a>
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<span aria-hidden="true">»</span>
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</li>
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{
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breadcrumbList.map((breadcrumb, index) =>
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index + 1 === breadcrumbList.length ? (
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<li>
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<span
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class={`${index > 0 ? "lowercase" : "capitalize"}`}
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aria-current="page"
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>
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{/* make the last part lowercase in Home > Tags > some-tag */}
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{decodeURIComponent(breadcrumb)}
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</span>
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</li>
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) : (
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<li>
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<a href={`/${breadcrumb}/`}>{breadcrumb}</a>
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<span aria-hidden="true">»</span>
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</li>
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)
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)
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}
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</ul>
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</nav>
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<style>
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.breadcrumb {
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@apply mx-auto mb-1 mt-8 w-full max-w-3xl px-4;
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}
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.breadcrumb ul li {
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@apply inline;
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}
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.breadcrumb ul li a {
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@apply capitalize opacity-70;
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}
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.breadcrumb ul li span {
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@apply opacity-70;
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}
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.breadcrumb ul li:not(:last-child) a {
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@apply hover:opacity-100;
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}
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</style>
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