From d56b9498eaa1738f26aabd916456e6b6d6fcb933 Mon Sep 17 00:00:00 2001
From: William Oldham <github@binaryoverload.co.uk>
Date: Thu, 9 Jan 2025 21:06:21 +0000
Subject: [PATCH] fix: add __appRoot to fix bundler messing up __dirname for
 nested files

---
 src/app-root.ts      | 4 ++++
 src/services/npdi.ts | 3 ++-
 src/services/npts.ts | 5 +++--
 3 files changed, 9 insertions(+), 3 deletions(-)
 create mode 100644 src/app-root.ts

diff --git a/src/app-root.ts b/src/app-root.ts
new file mode 100644
index 0000000..410563a
--- /dev/null
+++ b/src/app-root.ts
@@ -0,0 +1,4 @@
+// ! Do not move this file, it must be in the root of the project for __dirname to resolve correctly
+// * Node.js does not have a built-in way to get the root directory of the project, so we need to set it manually
+// * When using a bundler, __dirname will not work as expected in nested files so we need a consistent way to get the root directory
+export const __appRoot = __dirname;
diff --git a/src/services/npdi.ts b/src/services/npdi.ts
index 5c23133..ee1c2e5 100644
--- a/src/services/npdi.ts
+++ b/src/services/npdi.ts
@@ -2,12 +2,13 @@ import path from 'node:path';
 import express from 'express';
 import subdomain from 'express-subdomain';
 import { fileErrCallback } from '@/util';
+import { __appRoot } from '@/app-root';
 
 const npdi = express.Router();
 
 npdi.get('/p01/data/1/:titleHash/:dataID/:fileHash', (request, response) => {
 	const { titleHash, fileHash } = request.params;
-	const contentPath = path.normalize(`${__dirname}/../../cdn/content/encrypted/${titleHash}/${fileHash}`);
+	const contentPath = path.normalize(`${__appRoot}../cdn/content/encrypted/${titleHash}/${fileHash}`);
 
 	response.sendFile(contentPath, {
 		headers: {
diff --git a/src/services/npts.ts b/src/services/npts.ts
index 7b5a044..48dbe63 100644
--- a/src/services/npts.ts
+++ b/src/services/npts.ts
@@ -2,12 +2,13 @@ import path from 'node:path';
 import express from 'express';
 import subdomain from 'express-subdomain';
 import { fileErrCallback } from '@/util';
+import { __appRoot } from '@/app-root';
 
 const npts = express.Router();
 
 npts.get('/p01/tasksheet/:id/:hash/:fileName', (request, response) => {
 	const { id, hash, fileName } = request.params;
-	const tasksheetPath = path.normalize(`${__dirname}/../../cdn/tasksheet/${id}/${hash}/${fileName}`);
+	const tasksheetPath = path.normalize(`${__appRoot}/../cdn/tasksheet/${id}/${hash}/${fileName}`);
 
 	response.sendFile(tasksheetPath, {
 		headers: {
@@ -18,7 +19,7 @@ npts.get('/p01/tasksheet/:id/:hash/:fileName', (request, response) => {
 
 npts.get('/p01/tasksheet/:id/:hash/:subfolder/:fileName', (request, response) => {
 	const { id, hash, subfolder, fileName } = request.params;
-	const tasksheetPath = path.normalize(`${__dirname}/../../cdn/tasksheet/${id}/${hash}/_subfolder/${subfolder}/${fileName}`);
+	const tasksheetPath = path.normalize(`${__appRoot}/../cdn/tasksheet/${id}/${hash}/_subfolder/${subfolder}/${fileName}`);
 
 	response.sendFile(tasksheetPath, {
 		headers: {