Enable typing emits

package.json

 {
   "name": "foresight",
   "version": "0.1.0",
-  "main": "index.js",
+  "main": "dist/foresight.js",
+  "typings": "typings/foresight.d.ts",
   "author": "James Ooi <wengteikooi@gmail.com>",
   "license": "MIT",
   "devDependencies": {

tsconfig.json

 {
   "compilerOptions": {
     "target": "es5",
-    "allowJs": true,
+    "allowJs": false,
     "noImplicitAny": false,
     "removeComments": true,
     "lib": ["es6", "dom"]

tsconfig.prod.json

+{
+  "compilerOptions": {
+    "target": "es5",
+    "declaration": true,
+    "declarationDir": "./typings",
+    "allowJs": false,
+    "noImplicitAny": false,
+    "removeComments": true,
+    "lib": ["es6", "dom"]
+  },
+  "exclude": [
+    "node_modules",
+    "**/node_modules/*"
+  ]
+}
\ No newline at end of file

typings/foresight.d.ts

+import 'intersection-observer';
+interface ForesightConfig {
+    observerOptions?: IntersectionObserverInit;
+    nonInteractionClicks?: boolean;
+    nonInteractionViews?: boolean;
+}
+declare class Foresight {
+    static defaultOptions: Partial<ForesightConfig>;
+    options: ForesightConfig;
+    private _untrackFns;
+    private _observer;
+    constructor(config: ForesightConfig);
+    start(root?: Element): void;
+    track(element: Element): void;
+    untrack(element: Element): void;
+    private _parseEventString;
+    private _trackClicks;
+    private _trackViews;
+    private _onTrackedClick;
+    private _onTrackedView;
+}
+export = Foresight;

typings/utils/index.d.ts

+export { default as toArray } from './toArray';

typings/utils/toArray.d.ts

+export default function toArray<T>(arrayLike: any): T[];

webpack.config.js

@@ -28,7 +28,12 @@ const config = {
       {
         test: /\.tsx?$/,
         exclude: /node_modules/,
-        use: ['awesome-typescript-loader'],
+        use: {
+          loader: 'awesome-typescript-loader',
+          options: {
+            configFileName: isProduction ? 'tsconfig.prod.json' : 'tsconfig.json'
+          }
+        },
       }
     ]
   },