Cleaned and improved the backend

Put the initial Fastify stuff into a dedicated file, organized the types & made several improvements in the git http backend

1 files changed, 59 insertions, 0 deletions

diff --git a/packages/server/src/server.ts b/packages/server/src/server.ts
new file mode 100644
index 0000000..15f902c
--- /dev/null
+++ b/packages/server/src/server.ts
@@ -0,0 +1,59 @@
+import { readFileSync, readdirSync } from "fs";
+import { join } from "path";
+import { load } from "js-yaml";
+import { exit } from "process";
+import { Settings } from "./types";
+import buildApp from "./app";
+
+const settings = load(readFileSync(join(__dirname, "/../../../settings.yml"), "utf8")) as Settings;
+const settings_keys = Object.keys(settings);
+
+const mandatory_settings = [ "host", "port", "dev_port", "title", "about", "base_dir", "production" ];
+
+// Make sure that all the required settings are present
+const settings_not_included = mandatory_settings.filter(x => !settings_keys.includes(x));
+if(settings_not_included.length !== 0) {
+	console.log(`Error: settings.yml is missing ${(settings_not_included.length > 1) ? "keys" : "key"}:`);
+	console.log(settings_not_included.join(", "));
+	exit(1);
+}
+
+// Make sure that there's not an excessive amount of settings
+const mandatory_not_included = settings_keys.filter(x => !mandatory_settings.includes(x));
+if(mandatory_not_included.length !== 0) {
+	console.log(`Error: settings.yml includes ${(mandatory_not_included.length > 1) ? "pointless keys" : "a pointless key"}:`);
+	console.log(mandatory_not_included.join(", "));
+	exit(1);
+}
+
+// Make sure that the base directory specified in the settings actually exists
+try {
+	readdirSync(settings.base_dir);
+}
+catch {
+	console.error(`Error: Tried opening the base directory. No such directory: ${settings.base_dir}`);
+	exit(1);
+}
+
+const dist_dir = join(__dirname, "/../../client/dist");
+
+if(settings.production) {
+	try {
+		readdirSync(dist_dir);
+	}
+	catch {
+		console.error("Error: Tried opening the dist directory but it doesn't exist.\nDid you accidentally turn on the production setting?");
+		exit(1);
+	}
+}
+
+const app = buildApp(settings, dist_dir);
+
+app.listen(settings.port, settings.host, (err: Error, addr: string) => {
+	if(err) {
+		console.error(err);
+		exit(1);
+	}
+
+	console.log(`App is running on ${addr}`);
+});
\ No newline at end of file