Initial commit

src/utils/config.ts

@@ -0,0 +1,48 @@
+import { configSchema } from "$/schemas/config";
+import type { config } from "$/types/config";
+import { isDev } from "$/main";
+import toml from "@iarna/toml";
+import fs from "fs";
+
+
+/**
+ * Attempts to load the config from disk and validate it's structure.
+ */
+export function loadConfig() {
+	let file = null;
+
+	if (isDev) {
+		try {
+			file = fs.readFileSync(`./config.dev.toml`, `utf-8`);
+		} catch (_) {
+			console.error(`Couldn't find development config, checking production`);
+		};
+	};
+
+	if (!file) {
+		try {
+			file = fs.readFileSync(`./config.toml`, `utf-8`);
+		} catch (_) {
+			console.error(`Couldn't find production config. Fill out the config and run the server again`);
+			process.exit(1);
+		};
+	};
+
+	try {
+		var data = toml.parse(file);
+	} catch (_) {
+		console.error(`Invalid TOML file, stopping server`);
+		process.exit(1);
+	};
+
+	let { error, value } = configSchema.validate(data, { abortEarly: false });
+	if (error) {
+		console.error(`Config failed to validate, see below for details:`)
+		for (const err of error.details) {
+			console.error(` - ${err.message}`);
+		};
+		process.exit(1);
+	};
+
+	return value as config;
+};