make localization function specific and add specific function for locales

src/commands/misc/ping.ts

@@ -1,6 +1,6 @@
 import { SlashCommandBuilder } from '@discordjs/builders';
 import { Client, CommandInteraction, Message } from 'discord.js';
-import { getLocale } from '../../utils/locales';
+import { getLocale, getLocalizations } from '../../utils/locales';
 import { getFilename } from '../../utils/misc';
 
 export default {
@@ -9,12 +9,12 @@ export default {
 		return new SlashCommandBuilder()
 			.setName(filename)
 			.setDescription(client.locales.get(client.config.default_lang)?.get(`c_${filename}_desc`) ?? '?')
-			.setNameLocalizations(getLocale(client, `c_${filename}_name`))
+			.setNameLocalizations(getLocalizations(client, `c_${filename}_name`))
-			.setDescriptionLocalizations(getLocale(client, `c_${filename}_desc`));
+			.setDescriptionLocalizations(getLocalizations(client, `c_${filename}_desc`));
 	},
 
 	interaction: async (interaction: CommandInteraction, client: Client) => {
-		const loc = client.locales.get(interaction.locale) ?? client.locales.get(client.config.default_lang);
+		const loc = getLocale(client, interaction.locale);
 
 		const sent = await interaction.reply({ content: 'Pinging...', fetchReply: true }) as Message;
 

src/events/interactions/interactionCreate.ts

@@ -1,12 +1,14 @@
 import { Client, Interaction } from 'discord.js';
+import { getLocale } from '../../utils/locales';
 
 /** https://discord.js.org/#/docs/discord.js/main/class/Client?scrollTo=e-interactionCreate */
 export default (interaction: Interaction, client: Client) => {
 	if (interaction.isCommand()) {
 		const command = client.commands.get(interaction.commandName);
 		if (!command) {
+			const loc = getLocale(client, interaction.locale);
 			return interaction.reply({
-				content: client.locales.get(interaction.locale)?.get('e_interacreate_no_command'),
+				content: loc.get('e_interacreate_no_command'),
 				ephemeral: true,
 			});
 		}

src/utils/locales.ts

@@ -34,7 +34,6 @@ export const loadLocales = async () => {
 	return locales;
 };
 
-
 /**
  * Builds a dictionary, if a translation is not available,
  * we fallback to en-US.
@@ -42,7 +41,7 @@ export const loadLocales = async () => {
  * @param text Name of string to fetch
  * @returns the dictionary
  */
-export const getLocale = (client: Client, text: string) => {
+export const getLocalizations = (client: Client, text: string) => {
 	const data: Record<string, string> = {};
 
 	client.locales.forEach((locale, lang) => {
@@ -56,3 +55,24 @@ export const getLocale = (client: Client, text: string) => {
 
 	return data;
 };
+
+/**
+ * Return the locale data for a lang,
+ * fallback to default language when a string isn't available
+ * @param client Client
+ * @param lang Lang to fetch
+ * @returns the map with the desired languaged clogged with the default one
+ */
+export const getLocale = (client: Client, lang: string) => {
+	const default_locales = client.locales.get(client.config.default_lang);
+	const desired_locales = client.locales.get(lang);
+
+	const locales = new Map();
+	default_locales?.forEach((_, key) => {
+		if (key !== 'default') {
+			locales.set(key, desired_locales?.get(key) ?? default_locales.get(key));
+		}
+	});
+
+	return locales;
+};