From 26463bfde7e03b0b99b7909216ead14b45134744 Mon Sep 17 00:00:00 2001
From: Alex Komz <a.komzoltsev@MacBook-Pro.local>
Date: Sat, 20 Jan 2024 15:18:27 +0300
Subject: [PATCH] feat(settings): adds a script to automatically update locales

---
 scripts/updateLocales.js | 81 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 scripts/updateLocales.js

diff --git a/scripts/updateLocales.js b/scripts/updateLocales.js
new file mode 100644
index 0000000..93db77f
--- /dev/null
+++ b/scripts/updateLocales.js
@@ -0,0 +1,81 @@
+/**
+ * Fetches and writes to the locale file from github dayjs
+ * node.js >= 20 lts
+ * @module Locale
+ * */
+
+const fs = require('node:fs/promises');
+
+const LOCALES_PATH = 'src/settings/locales.ts';
+const GITHUB_LOCALES_URL = 'https://github.com/iamkun/dayjs/tree/dev/src/locale';
+
+const fetchLocalesList = async (githubUrl) => {
+    try {
+        const res = await fetch(githubUrl);
+        const json = await res.json();
+        const {items} = json.payload.tree;
+
+        return items.map((item) => item.name);
+    } catch (error) {
+        throw new Error(
+            `Something went wrong when trying to retrieve data from github dayjs, check if the URL is correct ${GITHUB_LOCALES_URL}`,
+        );
+    }
+};
+
+const createLocaleFile = async (localesPath) => {
+    if (require('node:fs').existsSync(localesPath)) {
+        await fs.rm(localesPath);
+    }
+
+    return await fs.open(localesPath, 'w');
+};
+
+(async function () {
+    try {
+        const localesList = await fetchLocalesList(GITHUB_LOCALES_URL);
+
+        console.log('Locales loaded successfully');
+
+        const localeFile = await createLocaleFile(LOCALES_PATH);
+
+        console.log(`File "${LOCALES_PATH}" created successfully`);
+
+        const localeLoaderType =
+            "type LocaleLoader = () => Promise<typeof import('dayjs/locale/*.js')>;\n\n";
+
+        await localeFile.appendFile(localeLoaderType);
+        await localeFile.appendFile('const localeLoaders: Record<string, LocaleLoader> = ');
+        await localeFile.appendFile('{\n');
+
+        await Promise.allSettled(
+            localesList.map(async (locale) => {
+                if (locale === '' || locale === undefined || locale === null) return;
+
+                const localeName = locale.substring(0, locale.lastIndexOf('.'));
+                const localeModulesObjectPart = `    "${localeName}": () => import('dayjs/locale/${locale}'),\n`;
+
+                await localeFile.appendFile(localeModulesObjectPart);
+
+                console.log(`Locale "${localeName}" written successfully`);
+            }),
+        );
+
+        await localeFile.appendFile('};\n\n');
+
+        const interfaceFunction =
+            'export const getLocaleLoader = (locale: string): LocaleLoader => {\n' +
+            '    const loader: LocaleLoader | undefined = localeLoaders[locale];\n' +
+            '\n' +
+            "    if (typeof loader === 'function') return loader;\n" +
+            '\n' +
+            '    throw new Error();\n' +
+            '};';
+
+        await localeFile.appendFile(interfaceFunction);
+
+        console.log(`Object "localeLoaders" written in file "${LOCALES_PATH}" successfully`);
+    } catch (error) {
+        console.error(error);
+    }
+})();