feat: add script to check if release is ok

package.json

@@ -11,7 +11,7 @@
   ],
   "scripts": {
     "preversion": "rm -rf build && npm run build",
-    "prepare": "npm run build",
+    "prepare": "npm run build && ./scripts/check-release.sh",
     "build": "npm run build:ts && npm run build:web",
     "lint": "eslint ./src",
     "build:ts": "tsc",

scripts/check-release.sh

@@ -0,0 +1,11 @@
+
+# Get the main field from package.json
+FILE=$(cat ./package.json | grep main | head -1 | awk -F: '{ print $2 }' | sed 's/[",]//g' | tr -d '[[:space:]]')
+
+# test the path to see if the file exists
+if test -f "$FILE"; then
+  echo "Release is OK"
+else
+  echo "Release is NOT ok because the file specified as main in package.json at path ${FILE} does not exist"
+  exit 1
+fi