get app version via npm script

Author: nicbus

.gitignore

@@ -6,6 +6,7 @@ node_modules
 
 # Ignore built ts files
 dist
+src/version.ts
 
 # consignments
-files/*
+files/*

package.json

@@ -5,11 +5,14 @@
   "main": "index.js",
   "scripts": {
     "start": "node ./dist/server.js",
+    "predev": "npm run version",
     "dev": "ts-node-dev ./src/server.ts",
+    "prebuild": "npm run version",
     "build": "tsc",
     "lint": "eslint --ignore-path .gitignore . --ext .ts",
     "lint:fix": "npm run lint -- --fix",
-    "test": "jest --verbose"
+    "test": "jest --verbose",
+    "version": "echo 'export const APP_VERSION = \"'$npm_package_version'\"' > src/version.ts"
   },
   "author": "",
   "license": "MIT",

src/controllers/api.ts

@@ -9,8 +9,8 @@ import path from "path";
 import logger from "../logger";
 import { genHashFromFile, setDir } from "../util";
 import { APP_DIR } from "../vars";
+import { APP_VERSION } from "../version";
 
-const VERSION = process.env.npm_package_version;
 const TMP_DIR = "tmp";
 const CONSIGNMENTS_DIR = "consignments";
 const MEDIA_DIR = "media";
@@ -355,7 +355,7 @@ export const loadApiEndpoints = (app: Application): void => {
     middleware,
     async (_req: Request, res: Response) => {
       return res.status(200).send({
-        version: VERSION,
+        version: APP_VERSION,
         uptime: Math.trunc(process.uptime()),
       });
     }