Locale Descriptions

                slashCommands.push({
                    name: slashCommand.name,
                    description: slashCommand.description,
                    descriptionLocalizations: slashCommand.descriptionLocalizations ? slashCommand.descriptionLocalizations : null,
                    type: slashCommand.type,
                    options: slashCommand.options ? slashCommand.options : null,
                    default_permission: slashCommand.default_permission ? slashCommand.default_permission : null,
                    default_member_permissions: slashCommand.default_member_permissions ? PermissionsBitField.resolve(slashCommand.default_member_permissions).toString() : null
                });

await rest.put(
                    GUILD_ID ?
                    Routes.applicationGuildCommands(CLIENT_ID, GUILD_ID) :
                    Routes.applicationCommands(CLIENT_ID), 
                    { body: slashCommands }
                );

const { PermissionsBitField } = require('discord.js');
const { Routes } = require('discord-api-types/v9');
const { REST } = require('@discordjs/rest')

"@discordjs/rest": "^0.4.0-dev.1648166871.cedd053",
"discord-api-types": "^0.30.0",
"discord.js": "^14.12.1",