Add Typescript 5.5.4 as dev dep, a barebones tsconfig.json, and a 'check-types' script to run Typescript and verify index.d.ts

Author: jonvuri

package-lock.json

@@ -35,11 +35,12 @@
   },
   "scripts": {
     "publint": "npx publint",
+    "check-types": "tsc",
     "clean": "shx rm -rf sqlite-wasm",
     "build": "npm run clean && node bin/index.js",
     "start": "npx http-server --coop",
     "fix": "npx prettier . --write",
-    "prepublishOnly": "npm run build && npm run fix && npm run publint",
+    "prepublishOnly": "npm run build && npm run fix && npm run publint && npm run check-types",
     "deploy": "npm run prepare && git add . && git commit -am 'New release' && git push && npm publish --access public"
   },
   "repository": {
@@ -58,8 +59,9 @@
     "module-workers-polyfill": "^0.3.2",
     "node-fetch": "^3.3.2",
     "prettier": "^3.3.3",
-    "publint": "^0.2.10",
     "prettier-plugin-jsdoc": "^1.3.0",
-    "shx": "^0.3.4"
+    "publint": "^0.2.10",
+    "shx": "^0.3.4",
+    "typescript": "^5.5.4"
   }
 }

package.json

@@ -0,0 +1,7 @@
+{
+  "compilerOptions": {
+    "target": "es2020",
+    "noEmit": true,
+    "strict": true
+  }
+}