Improve bootstrap function

Allow env variables to be substitutable.

packages/discord-bot/src/index.ts

@@ -4,10 +4,17 @@ import {addMessageEventsListener} from './events';
 import {ForumChannel} from 'discord.js';
 import {setupThreads} from './modules/thread';
 import {BotContext} from './common';
+import * as logger from './log';
 
-const main = async () => {
+interface Params {
+	logger?: Pick<typeof console, 'log' | 'error' | 'warn'>;
+	config: typeof config;
+}
+
+const main = async (params = {} as Params) => {
+	const { logger: l = logger, config: c, } = params
 	const client = createClient({
-		intents: config.meta.intentsInteger,
+		intents: c.meta.intentsInteger,
 	});
 
 	const context: BotContext = {
@@ -23,25 +30,31 @@ const main = async () => {
 
 	client.on('ready', async () => {
 		if (!client.user) {
-			console.error('Not logged in!');
+			l.error('Not logged in!');
 			return;
 		}
-		console.log(`Logged in as ${client.user.tag}`);
+		l.log(`Logged in as ${client.user.tag}!`);
 
-		const channel = await client.channels.fetch(config.meta.channelId);
+		const channel = await client.channels.fetch(c.meta.channelId);
 		if (!(channel instanceof ForumChannel)) {
-			console.error(`Channel ${config.meta.channelId} is not a forum!`);
+			l.error(`Channel ${c.meta.channelId} is not a forum!`);
 			return;
 		}
 
 		context.channel = channel;
+		l.log('Syncing up threads...');
 		await setupThreads(context);
+		l.log('Sync done! Now listening for new messages.');
 	});
 
 	addMessageEventsListener(context);
-	await client.login(config.meta.token);
+	l.log('Logging in to gateway...');
+	await client.login(c.meta.token);
 }
 
 // TODO load channelId from config
 // TODO add discord wizard for chatting with bot for setup (e.g. selecting forum channel ID)
-void main();
+void main({
+	logger,
+	config,
+});

packages/discord-bot/src/log.ts

@@ -0,0 +1,5 @@
+export const log = (...args: unknown[]) => console.log(...args);
+
+export const error = (...args: unknown[]) => console.error(...args);
+
+export const warn = (...args: unknown[]) => console.warn(...args);