setup testing with jest

Author: efekos

.npmignore

@@ -12,6 +12,7 @@ tsconfig.json
 syxconfig.json
 distDeletor.js
 *.tgz
+*.test.js
 
 # Hidden folders
 /.vscode

package.json

@@ -9,7 +9,8 @@
     "build": "tsc",
     "postbuild": "cls && echo Builded",
     "prepublish": "npm run build",
-    "postpublish": "npm pack --pack-destination=./package"
+    "postpublish": "npm pack --pack-destination=./package",
+    "test": "jest"
   },
   "keywords": [
     "syntax",
@@ -28,6 +29,7 @@
     "@typescript-eslint/parser": "^7.7.0",
     "eslint": "^8.57.0",
     "eslint-plugin-jsdoc": "^48.2.3",
+    "jest": "^29.7.0",
     "lsp-types": "^3.17.0-f3"
   },
   "dependencies": {