Modernize dependencies and configurations

.gitignore

@@ -1,5 +1,37 @@
-node_modules
-lib
-dist
+# Dependencies
+node_modules/
+
+# Build outputs
+lib/
+dist/
+compiled/
+
+# Cache files
 .eslintcache
 .test-cache
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# IDE files
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Coverage directory used by tools like istanbul
+coverage/
+.nyc_output/

.husky/pre-commit

@@ -0,0 +1 @@
+npx lint-staged

jest.config.js

@@ -1,7 +1,23 @@
-module.exports = {
+export default {
   testPathIgnorePatterns: [
     '<rootDir>[/\\\\](dist|compiled|node_modules)[/\\\\]'
   ],
   testEnvironment: 'node',
-  preset: 'ts-jest'
+  preset: 'ts-jest',
+  extensionsToTreatAsEsm: ['.ts'],
+  moduleNameMapper: {
+    '^(\\.{1,2}/.*)\\.js$': '$1'
+  },
+  transform: {
+    '^.+\\.ts$': [
+      'ts-jest',
+      {
+        useESM: true,
+        tsconfig: {
+          module: 'esnext'
+        }
+      }
+    ]
+  },
+  transformIgnorePatterns: ['node_modules/(?!(.*\\.mjs$))']
 }