Fix tsconfig and build script

Author: rekmarks

tsconfig.build.json

@@ -0,0 +1,13 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "declaration": true,
+    "inlineSources": true,
+    "noEmit": false,
+    "outDir": "dist",
+    "rootDir": "src",
+    "sourceMap": true
+  },
+  "include": ["./src/**/*.ts"],
+  "exclude": ["./src/**/*.test.ts"]
+}

tsconfig.json

@@ -1,14 +1,15 @@
 {
   "compilerOptions": {
-    "declaration": true,
     "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "lib": ["ES2020"],
     "module": "CommonJS",
     "moduleResolution": "node",
-    "outDir": "dist",
-    "sourceMap": true,
+    "noEmit": true,
+    "skipLibCheck": true,
     "strict": true,
-    "target": "ES2017",
+    "target": "es2017",
     "typeRoots": ["./node_modules/@types"]
   },
-  "include": ["./src/*.ts"]
+  "exclude": ["./dist/**/*"]
 }