* load locales into the client

* extract specific text from locales and fallback to en-US in case of failure

src/commands/misc/ping.ts

@@ -4,8 +4,8 @@ import { getLocale } from '../../utils/locales';
 
 export default {
 	data: (client: Client) => new SlashCommandBuilder()
-		.setNameLocalizations(getLocale(client, 'ping_name'))
+		.setNameLocalizations(getLocale(client, 'c_ping_name'))
-		.setDescriptionLocalizations(getLocale(client, 'ping_desc')),
+		.setDescriptionLocalizations(getLocale(client, 'c_ping_desc')),
 
 	interaction: async (interaction: CommandInteraction, client: Client) => {
 		const loc = client.locales.get(interaction.locale) ?? client.locales.get(client.config.default_lang);

src/locales/en-US.json

@@ -1,6 +1,8 @@
 {
 	"e_interacreate": "Sorry, the command probably no longer exists...",
 
+	"c_ping_name": "Ping",
+	"c_ping_desc": "Pong",
 	"c_ping1": "Roundtrip latency",
 	"c_ping2": "Websocket heartbeat"
 }

src/utils/client.ts

@@ -43,7 +43,7 @@ export default async () => {
 
 	client.commands = new Collection();
 
-	client.locales = await loadLocales(client.config.default_lang);
+	client.locales = await loadLocales();
 
 	return client;
 };

src/utils/locales.ts

@@ -0,0 +1,59 @@
+import { Client } from 'discord.js';
+import { readdir } from 'fs/promises';
+
+/**
+ * Load the localizations files
+ */
+export const loadLocales = async () => {
+	// Check if there is a defined valid value
+	const old_path = __dirname.split('/');
+	old_path.pop();
+
+	const files = await readdir(`${old_path.join('/')}/locales`);
+
+	const locales = new Map();
+	await Promise.all(
+		files.map(async lang => {
+			const content: {
+				[key: string]: string
+			} = await import(
+				`../locales/${lang}`
+			);
+
+			locales.set(
+				lang.split('.')[0],
+				new Map(
+					Object.keys(content).map(str => {
+						return [str, content[str]];
+					}),
+				)
+			);
+		})
+	);
+
+	return locales;
+};
+
+
+/**
+ * Builds a dictionary, if a translation is not available,
+ * we fallback to en-US.
+ * @param client Client
+ * @param text Name of string to fetch
+ * @returns the dictionary
+ */
+export const getLocale = (client: Client, text: string) => {
+	const data: Record<string, string> = {};
+
+	client.locales.forEach((locale, lang) => {
+		const str = locale.get(text)
+			?? client.locales.get(client.config.default_lang)?.get(text);
+
+		if (str === undefined) {
+			throw 'Missing locales';
+		}
+		data[lang] = str;
+	});
+
+	return data;
+};