refactor: Switch to JS (#180)

* refactor: Switch to JS

* ci: No more build script

* ci: Add type-checking step

* chore: Patch broken types in '@rollup/pluginutils'

Author: rschristian

.github/workflows/main.yml

@@ -18,5 +18,5 @@ jobs:
           cache: "npm"
           cache-dependency-path: "**/package-lock.json"
       - run: npm ci
-      - run: npm run build
       - run: npm test
+      - run: npm run test:types

jsconfig.json

@@ -0,0 +1,17 @@
+{
+	"compilerOptions": {
+		"target": "ES2019",
+		"strict": true,
+		"strictNullChecks": true,
+		"noImplicitAny": true,
+		"esModuleInterop": true,
+		"module": "node20",
+		"moduleResolution": "node16",
+		"noEmit": true,
+		"allowJs": true,
+		"checkJs": true,
+		"skipLibCheck": false,
+		"maxNodeModuleJsDepth": 0
+	},
+	"include": ["src/**/*"],
+}