From 9b2c63d92ff77ebce0f90a7be05437504422bf45 Mon Sep 17 00:00:00 2001
From: ivarlovlie <git@ivarlovlie.no>
Date: Sat, 11 Feb 2023 23:37:12 +0100
Subject: feat: Render localized content from sanity

---
 src/components/locale-switcher.svelte | 46 +++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/components/locale-switcher.svelte

(limited to 'src/components/locale-switcher.svelte')

diff --git a/src/components/locale-switcher.svelte b/src/components/locale-switcher.svelte
new file mode 100644
index 0000000..938d18a
--- /dev/null
+++ b/src/components/locale-switcher.svelte
@@ -0,0 +1,46 @@
+<script lang="ts">
+	import { browser } from "$app/environment";
+	import { invalidateAll } from "$app/navigation";
+	import { page } from "$app/stores";
+	import { setLocale, locale } from "$i18n/i18n-svelte";
+	import type { Locales } from "$i18n/i18n-types";
+	import { locales } from "$i18n/i18n-util";
+	import { loadLocaleAsync } from "$i18n/i18n-util.async";
+	import { replaceLocaleInUrl } from "$lib/utils";
+
+	const switchLocale = async (newLocale: Locales, updateHistoryState = true) => {
+		if (!newLocale || $locale === newLocale) return;
+		// load new dictionary from server
+		await loadLocaleAsync(newLocale);
+		// select locale
+		setLocale(newLocale);
+		// update `lang` attribute
+		document.querySelector("html")?.setAttribute("lang", newLocale);
+		if (updateHistoryState) {
+			// update url to reflect locale changes
+			history.pushState({ locale: newLocale }, "", replaceLocaleInUrl($page.url, newLocale));
+		}
+		// run the `load` function again
+		invalidateAll();
+	};
+	// update locale when navigating via browser back/forward buttons
+	const handlePopStateEvent = async ({ state }: PopStateEvent) => switchLocale(state.locale, false);
+	// update locale when page store changes
+	$: if (browser) {
+		const lang = $page.params.lang as Locales;
+		switchLocale(lang, false);
+		history.replaceState({ ...history.state, locale: lang }, "", replaceLocaleInUrl($page.url, lang));
+	}
+</script>
+
+<svelte:window on:popstate={handlePopStateEvent} />
+
+<ul>
+	{#each locales as l}
+		<li>
+			<a class:active={l === $locale} href={`${replaceLocaleInUrl($page.url, l)}`}>
+				{l}
+			</a>
+		</li>
+	{/each}
+</ul>
-- 
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