migrate JavaScript to TypeScript

package.json

@@ -1,12 +1,14 @@
 {
   "name": "anonymous_github",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Anonymise Github repositories for double-anonymous reviews",
-  "main": "index.js",
+  "main": "index.ts",
   "scripts": {
     "test": "mocha --reporter spec",
-    "start": "node index.js",
-    "dev": "nodemon index.js"
+    "start": "node --inspect=5858 -r ts-node/register ./index.ts",
+    "dev": "nodemon --transpile-only index.ts",
+    "migrateDB": "ts-node --transpile-only migrateDB.ts",
+    "build": "tsc"
   },
   "repository": {
     "type": "git",
@@ -21,27 +23,50 @@
   "dependencies": {
     "@octokit/oauth-app": "^3.3.2",
     "@octokit/rest": "^18.5.3",
-    "array-equal": "^1.0.0",
+    "archive-stream-to-s3": "^1.1.3",
+    "archiver": "^5.3.0",
+    "aws-sdk": "^2.958.0",
     "compression": "^1.7.4",
     "connect-redis": "^5.1.0",
+    "dotenv": "^10.0.0",
     "express": "^4.17.1",
     "express-rate-limit": "^5.2.6",
     "express-session": "^1.17.1",
-    "extract-zip": "^2.0.1",
-    "github-linguist": "^2.3.0",
+    "got": "^9.6.0",
+    "gunzip-maybe": "^1.4.2",
     "istextorbinary": "^5.12.0",
-    "mongodb": "^3.6.6",
+    "mime-types": "^2.1.30",
+    "mongoose": "^5.13.5",
     "parse-github-url": "^1.0.2",
     "passport": "^0.4.1",
     "passport-github2": "^0.1.12",
     "rate-limit-redis": "^2.1.0",
     "redis": "^3.1.2",
-    "textextensions": "^5.12.0"
+    "tar-fs": "^2.1.1",
+    "textextensions": "^5.12.0",
+    "xml-flow": "^1.0.4"
   },
   "devDependencies": {
+    "@types/archiver": "^5.1.1",
+    "@types/compression": "^1.7.1",
+    "@types/connect-redis": "^0.0.17",
+    "@types/express": "^4.17.13",
+    "@types/express-rate-limit": "^5.1.3",
+    "@types/express-session": "^1.17.4",
+    "@types/got": "^9.6.12",
+    "@types/mime-types": "^2.1.0",
+    "@types/parse-github-url": "^1.0.0",
+    "@types/passport": "^1.0.7",
+    "@types/passport-github2": "^1.2.5",
+    "@types/rate-limit-redis": "^1.7.2",
+    "@types/redis": "^2.8.31",
+    "@types/tar-fs": "^2.0.1",
+    "@types/xml-flow": "^1.0.1",
     "chai": "^4.3.4",
     "mocha": "^8.3.2",
-    "nodemon": "^2.0.4"
+    "nodemon": "^2.0.7",
+    "ts-node": "^10.1.0",
+    "typescript": "^4.3.5"
   },
   "nodemonConfig": {
     "ignore": [