refactor: 🚚 Organize code into sub-packages, instead of a single large package

packages/config/index.ts

@@ -0,0 +1,42 @@
+import { env, file } from "bun";
+import chalk from "chalk";
+import { parseTOML } from "confbox";
+import type { z } from "zod";
+import { fromZodError } from "zod-validation-error";
+import { ConfigSchema } from "./schema.ts";
+
+const CONFIG_LOCATION = env.CONFIG_LOCATION ?? "./config/config.toml";
+const configFile = file(CONFIG_LOCATION);
+
+if (!(await configFile.exists())) {
+    throw new Error(
+        `config file at "${CONFIG_LOCATION}" does not exist or is not accessible.`,
+    );
+}
+
+const configText = await configFile.text();
+const config = await parseTOML<z.infer<typeof ConfigSchema>>(configText);
+
+const parsed = await ConfigSchema.safeParseAsync(config);
+
+if (!parsed.success) {
+    console.error(
+        `⚠ Error encountered while loading ${chalk.gray(CONFIG_LOCATION)}.`,
+    );
+    console.error(
+        "⚠ This is due to invalid, missing or incorrect values in the configuration file.",
+    );
+    console.error(
+        "⚠ Here is the error message, please fix the configuration file accordingly:",
+    );
+    const errorMessage = fromZodError(parsed.error).message;
+
+    console.info(errorMessage);
+
+    throw new Error("Configuration file is invalid.");
+}
+
+const exportedConfig = parsed.data;
+
+export { ProxiableUrl } from "./url.ts";
+export { exportedConfig as config };