initial move to tsc

.gitignore

@@ -1 +1,2 @@
 node_modules
+built

package.json

@@ -8,6 +8,8 @@
     "start": "node ./src/index.js"
   },
   "devDependencies": {
-    "nodemon": "^2.0.12"
+    "@tsconfig/node14": "^1.0.1",
+    "nodemon": "^2.0.12",
+    "typescript": "^4.4.2"
   }
 }

tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "@tsconfig/node14/tsconfig.json",
+  "compilerOptions": {
+    "preserveConstEnums": true,
+    "outDir": "./built",
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "**/*.spec.ts"]
+}

yarn.lock

@@ -14,6 +14,11 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
+"@tsconfig/node14@^1.0.1":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@tsconfig/node14/-/node14-1.0.1.tgz#95f2d167ffb9b8d2068b0b235302fafd4df711f2"
+  integrity sha512-509r2+yARFfHHE7T6Puu2jjkoycftovhXRqW328PDXTVGKihlb1P8Z9mMZH04ebyajfRY7dedfGynlrFHJUQCg==
+
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
@@ -723,6 +728,11 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
+typescript@^4.4.2:
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.4.2.tgz#6d618640d430e3569a1dfb44f7d7e600ced3ee86"
+  integrity sha512-gzP+t5W4hdy4c+68bfcv0t400HVJMMd2+H9B7gae1nQlBzCqvrXX+6GL/b3GAgyTH966pzrZ70/fRjwAtZksSQ==
+
 undefsafe@^2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/undefsafe/-/undefsafe-2.0.3.tgz#6b166e7094ad46313b2202da7ecc2cd7cc6e7aae"