feat: Add TypeScript support (#9550)

Author: dblythy

.babelrc

@@ -1,12 +1,12 @@
 {
     "plugins": [
-        "@babel/plugin-transform-flow-strip-types",
-        "@babel/plugin-proposal-object-rest-spread"
+        "@babel/plugin-transform-flow-strip-types"
     ],
     "presets": [
+        "@babel/preset-typescript",
         ["@babel/preset-env", {
             "targets": {
-                "node": "14", 
+                "node": "18"
             },
             "exclude": ["proposal-dynamic-import"]
         }]

.github/workflows/ci.yml

@@ -138,6 +138,17 @@ jobs:
         uses: mansona/npm-lockfile-version@v1
         with:
           version: 2
+  check-types:
+    name: Check Types
+    timeout-minutes: 5
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: npm ci
+      - name: Build types
+        run: npm run build:types
+      - name: Check types
+        run: npm run test:types
   check-mongo:
     strategy:
       matrix:

.gitignore

@@ -46,6 +46,8 @@ node_modules
 
 # Babel.js
 lib/
+# types/* once we have full typescript support, we can generate types from the typescript files
+!types/tsconfig.json
 
 # cache folder
 .cache