From c3f119d332dea3fc33494a44e077f00f6ad05eec Mon Sep 17 00:00:00 2001
From: Joe Carstairs <65492573+Sycamost@users.noreply.github.com>
Date: Sun, 13 Aug 2023 09:07:24 +0100
Subject: Adds breadcrumbs

---
 src/components/Breadcrumbs.astro                | 36 +++++++++++++++++++++++++
 src/components/Navbar.astro                     |  2 ++
 src/components/SwitchLanguageLink.astro         |  2 +-
 src/i18n/translations/components/breadcrumbs.ts | 22 +++++++++++++++
 src/lib/findAllIndicesOf.ts                     | 14 ++++++++++
 5 files changed, 75 insertions(+), 1 deletion(-)
 create mode 100644 src/components/Breadcrumbs.astro
 create mode 100644 src/i18n/translations/components/breadcrumbs.ts
 create mode 100644 src/lib/findAllIndicesOf.ts

(limited to 'src')

diff --git a/src/components/Breadcrumbs.astro b/src/components/Breadcrumbs.astro
new file mode 100644
index 0000000..d29acee
--- /dev/null
+++ b/src/components/Breadcrumbs.astro
@@ -0,0 +1,36 @@
+---
+import findAllIndicesOf from '../lib/findAllIndicesOf';
+import translate from '../i18n/translate';
+import tBreadcrumbs from '../i18n/translations/components/breadcrumbs';
+import type Locale from '../types/Locale';
+import locales from '../i18n/locales';
+
+const path = Astro.url.pathname.replace(/(?!\/)$/, '/');
+const localeInPath = new RegExp(`/(?<=^/)(${locales.join('|')})`);
+const locale = path.match(localeInPath)?.[1] as Locale;
+if (!locale) {
+  return;
+}
+const pathWithoutLocale = path.replace(new RegExp(`^/${locale}`), '');
+console.log('Path without locale: %s', pathWithoutLocale);
+const slashIndices = findAllIndicesOf('/', pathWithoutLocale);
+console.log('Indices: (%s)', slashIndices.join(','));
+const parentRoutes = slashIndices.map((n) => pathWithoutLocale.slice(0, n + 1)).slice(0, -1);
+console.log('Parent routes: (%s)', parentRoutes.join(','));
+
+const t = translate(locale);
+---
+
+<ol class="breadcrumbs">
+  {
+    /* parentRoutes.length > 1 && */ parentRoutes.map((route) => {
+      return (
+        <li>
+          <a class="link" href={`/${locale}${route}`}>
+            {t(tBreadcrumbs, { key: route })}
+          </a>
+        </li>
+      );
+    })
+  }
+</ol>
diff --git a/src/components/Navbar.astro b/src/components/Navbar.astro
index 8174efe..80829d3 100644
--- a/src/components/Navbar.astro
+++ b/src/components/Navbar.astro
@@ -1,5 +1,6 @@
 ---
 import type Locale from '../types/Locale';
+import Breadcrumbs from './Breadcrumbs.astro';
 import SwitchLanguageLink from './SwitchLanguageLink.astro';
 
 interface Props {
@@ -11,4 +12,5 @@ const { locale } = Astro.props;
 
 <nav class="dark">
   <SwitchLanguageLink currentLocale={locale} />
+  <Breadcrumbs />
 </nav>
diff --git a/src/components/SwitchLanguageLink.astro b/src/components/SwitchLanguageLink.astro
index 77dfa18..e8dace3 100644
--- a/src/components/SwitchLanguageLink.astro
+++ b/src/components/SwitchLanguageLink.astro
@@ -18,7 +18,7 @@ const otherLocalePath = currentPath.replace(currentLocaleInPath, `${otherLocale}
 const t = translate(currentLocale);
 ---
 
-<a class="link" href={otherLocalePath}>
+<a class="link switch-language-link" href={otherLocalePath}>
   {
     t(tPage, {
       key: 'language-link-text',
diff --git a/src/i18n/translations/components/breadcrumbs.ts b/src/i18n/translations/components/breadcrumbs.ts
new file mode 100644
index 0000000..a0af6f9
--- /dev/null
+++ b/src/i18n/translations/components/breadcrumbs.ts
@@ -0,0 +1,22 @@
+import type { TranslationsDictionary } from '../../../types/TranslationsDictionary';
+
+// This maun be kept up til date bi haund. There is
+// nae compile-time check that aw routes hae been
+// translatit.
+const breadcrumbsTranslations = {
+  '/': {
+    sco: () => 'Hame',
+    'en-GB': () => 'Home',
+  },
+  '/furthsettins/': {
+    sco: () => 'Furthsettins',
+    'en-GB': () => 'Publications',
+  },
+  '/furthsettins/lallans/': {
+    sco: () => 'Lallans',
+    'en-GB': () => 'Lallans',
+  },
+};
+
+type Raw = typeof breadcrumbsTranslations;
+export default breadcrumbsTranslations as TranslationsDictionary<Raw>;
diff --git a/src/lib/findAllIndicesOf.ts b/src/lib/findAllIndicesOf.ts
new file mode 100644
index 0000000..8f1a100
--- /dev/null
+++ b/src/lib/findAllIndicesOf.ts
@@ -0,0 +1,14 @@
+export default function (searchFor: string, searchIn: string): number[] {
+  const indices: number[] = [];
+
+  let index = -1;
+  while (index !== searchIn.length - 1) {
+    index = searchIn.slice(index + 1).indexOf(searchFor) + index + 1;
+    if (index === -1) {
+      break;
+    }
+    indices.push(index);
+  }
+
+  return indices;
+}
-- 
cgit v1.2.3