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import dotenv from 'dotenv';
import 'reflect-metadata';
import {injectable} from 'inversify';
import path from 'path';
import xbytes from 'xbytes';
import {ConditionalKeys} from 'type-fest';
import {ActivityType, PresenceStatusData} from 'discord.js';
dotenv.config({path: process.env.ENV_FILE ?? path.resolve(process.cwd(), '.env')});
export const DATA_DIR = path.resolve(process.env.DATA_DIR ? process.env.DATA_DIR : './data');
const CONFIG_MAP = {
DISCORD_TOKEN: process.env.DISCORD_TOKEN,
YOUTUBE_API_KEY: process.env.YOUTUBE_API_KEY,
SPOTIFY_CLIENT_ID: process.env.SPOTIFY_CLIENT_ID,
SPOTIFY_CLIENT_SECRET: process.env.SPOTIFY_CLIENT_SECRET,
REGISTER_COMMANDS_ON_BOT: process.env.REGISTER_COMMANDS_ON_BOT === 'true',
DATA_DIR,
CACHE_DIR: path.join(DATA_DIR, 'cache'),
CACHE_LIMIT_IN_BYTES: xbytes.parseSize(process.env.CACHE_LIMIT ?? '2GB'),
BOT_STATUS: process.env.BOT_STATUS ?? 'online',
BOT_ACTIVITY_TYPE: process.env.BOT_ACTIVITY_TYPE ?? 'LISTENING',
BOT_ACTIVITY_URL: process.env.BOT_ACTIVITY_URL ?? '',
BOT_ACTIVITY: process.env.BOT_ACTIVITY ?? 'music',
ENABLE_SPONSORBLOCK: process.env.ENABLE_SPONSORBLOCK === 'true',
SPONSORBLOCK_TIMEOUT: process.env.ENABLE_SPONSORBLOCK ?? 5,
} as const;
const BOT_ACTIVITY_TYPE_MAP = {
PLAYING: ActivityType.Playing,
LISTENING: ActivityType.Listening,
WATCHING: ActivityType.Watching,
STREAMING: ActivityType.Streaming,
} as const;
@injectable()
export default class Config {
readonly DISCORD_TOKEN!: string;
readonly YOUTUBE_API_KEY!: string;
readonly SPOTIFY_CLIENT_ID!: string;
readonly SPOTIFY_CLIENT_SECRET!: string;
readonly REGISTER_COMMANDS_ON_BOT!: boolean;
readonly DATA_DIR!: string;
readonly CACHE_DIR!: string;
readonly CACHE_LIMIT_IN_BYTES!: number;
readonly BOT_STATUS!: PresenceStatusData;
readonly BOT_ACTIVITY_TYPE!: Exclude<ActivityType, ActivityType.Custom>;
readonly BOT_ACTIVITY_URL!: string;
readonly BOT_ACTIVITY!: string;
readonly ENABLE_SPONSORBLOCK!: boolean;
readonly SPONSORBLOCK_TIMEOUT!: number;
constructor() {
for (const [key, value] of Object.entries(CONFIG_MAP)) {
if (typeof value === 'undefined') {
console.error(`Missing environment variable for ${key}`);
process.exit(1);
}
if (key === 'BOT_ACTIVITY_TYPE') {
this[key] = BOT_ACTIVITY_TYPE_MAP[(value as string).toUpperCase() as keyof typeof BOT_ACTIVITY_TYPE_MAP];
continue;
}
if (typeof value === 'number') {
this[key as ConditionalKeys<typeof CONFIG_MAP, number>] = value;
} else if (typeof value === 'string') {
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
(this as any)[key] = value.trim();
} else if (typeof value === 'boolean') {
this[key as ConditionalKeys<typeof CONFIG_MAP, boolean>] = value;
} else {
throw new Error(`Unsupported type for ${key}`);
}
}
}
}
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