chore: ensure tests are type-checked but not published

package.json

@@ -29,16 +29,16 @@
     "README.md"
   ],
   "scripts": {
-    "build": "tsc",
+    "build": "rm -rf dist && tsc --project tsconfig.build.json",
     "lint": "npm-run-all --continue-on-error --aggregate-output --parallel \"lint:*\"",
     "lint:docs": "markdownlint \"**/*.md\"",
     "lint:js": "eslint --cache .",
-    "lint:js:fix": "npm-run-all \"lint:js -- --fix\"",
+    "lint:js:fix": "npm run lint:js -- --fix",
     "lint:package-json": "npmPkgJsonLint .",
     "lint:package-json-sorting": "sort-package-json --check",
     "lint:package-json-sorting:fix": "sort-package-json package.json",
     "lint:types": "tsc",
-    "prepublishOnly": "tsc",
+    "prepublishOnly": "npm run build",
     "release": "release-it",
     "test": "node --max-old-space-size=4096 --experimental-vm-modules node_modules/jest/bin/jest.js --colors --coverage"
   },

tsconfig.build.json

@@ -0,0 +1,6 @@
+{
+  "extends": "./tsconfig.json",
+  "exclude": [
+    "test/**/*.ts"
+  ]
+}

tsconfig.json

@@ -31,6 +31,7 @@
   },
   "include": [
     "bin/**/*",
-    "lib/**/*"
+    "lib/**/*",
+    "test/**/*"
   ]
 }