add prepublishScript

Author: trapcodeio

package.json

@@ -9,8 +9,9 @@
   "license": "MIT",
   "private": false,
   "scripts": {
-    "ts:build": "npx tsc -p tsconfig.json",
-    "ts:watch": "npx tsc --watch"
+    "build": "npx tsc -p tsconfig.json",
+    "watch": "npx tsc --watch",
+    "prepublishOnly": "npm run ts:build"
   },
   "devDependencies": {
     "@types/ejs": "^3.1.1",