Some changes to configuration and example element

tsconfig.json

@@ -1,55 +1,28 @@
-
 {
   "compilerOptions": {
     "target": "es2017",
     "module": "es2015",
-    "moduleResolution": "node",
-    "lib": ["esnext.array", "esnext", "es2017", "dom"],
+    "lib": ["es2017", "dom", "dom.iterable"],
     "declaration": true,
     "declarationMap": true,
     "sourceMap": true,
-    "inlineSources": true,
+    "outDir": "./",
+    "rootDir": "./src",
     "strict": true,
     "noUnusedLocals": true,
     "noUnusedParameters": true,
     "noImplicitReturns": true,
     "noFallthroughCasesInSwitch": true,
-    "noImplicitAny": true,
-    "noImplicitThis": true,
-    "outDir": "./build",
-    // Only necessary because @types/uglify-js can't find types for source-map
-    "skipLibCheck": true,
+    "moduleResolution": "node",
     "experimentalDecorators": true,
+    "forceConsistentCasingInFileNames": true,
     "plugins": [
       {
         "name": "ts-lit-plugin",
-        "rules": {
-          "no-complex-attribute-binding": "error",
-          "no-expressionless-property-binding": "error",
-          "no-incompatible-property-type": "error",
-          "no-incompatible-type-binding": "error",
-          "no-invalid-attribute-name": "error",
-          "no-invalid-boolean-binding": "error",
-          "no-invalid-css": "off",
-          "no-invalid-directive-binding": "error",
-          "no-invalid-tag-name": "error",
-          "no-missing-import": "off",
-          "no-noncallable-event-binding": "error",
-          "no-nullable-attribute-binding": "off",
-          "no-unclosed-tag": "error",
-          "no-unknown-attribute": "off",
-          "no-unknown-event": "off",
-          "no-unknown-property": "error",
-          "no-unknown-property-converter": "error",
-          "no-unknown-slot": "off",
-          "no-unknown-tag-name": "error"
-        }
+        "strict": true,
       }
     ]
   },
-  "include": [
-    "my-element.ts"
-  ],
+  "include": ["src/**/*.ts"],
   "exclude": []
 }
-