Add typescript definition

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-in-viewport",
-  "version": "1.0.0-alpha.16",
+  "version": "1.0.0-alpha.17",
   "description": "Track React component in viewport using Intersection Observer API",
   "author": "Roderick Hsiao <roderickhsiao@gmail.com>",
   "license": "MIT",
@@ -79,6 +79,7 @@
   },
   "main": "dist/index.js",
   "module": "dist/es/index.js",
+  "types": "dist/types/index.d.ts",
   "bundlesize": [
     {
       "path": "./dist/*.js",
@@ -88,6 +89,5 @@
       "path": "./dist/es/*.js",
       "maxSize": "2.5 kB"
     }
-  ],
-  "types": "dist/types/index.d.ts"
+  ]
 }

tsconfig.json

@@ -3,17 +3,18 @@
     "src/**/*.js"
   ],
   "compilerOptions": {
-    "target": "ES6",
     "allowJs": true,
     "declaration": true,
     "emitDeclarationOnly": true,
+    "module": "commonjs",
     "outDir": "dist/types",
-    "types": [],
-    "module": "commonjs"
+    "target": "ES6",
+    "types": []
   },
   "exclude": [
     "./node_modules",
     "./src/__tests__",
     "./src/setupTests.js",
+    "./src/stories",
   ]
 }

yarn.lock

@@ -9203,9 +9203,9 @@ react-addons-create-fragment@^15.6.2:
     object-assign "^4.1.0"
 
 react-aspect-ratio@^1.0.3:
-  version "1.0.42"
-  resolved "https://registry.yarnpkg.com/react-aspect-ratio/-/react-aspect-ratio-1.0.42.tgz#04bf3e4d11c484bc5638ef5b22b84fb428ebc809"
-  integrity sha512-TlDS7GZ6Fot6yMo1OYWrcxI/cggGsU4xsfXLastv6FfcZq0e99LeMq+OUbrlEjtOzi00QzNvkoj5T2vDqJNAmw==
+  version "1.0.49"
+  resolved "https://registry.yarnpkg.com/react-aspect-ratio/-/react-aspect-ratio-1.0.49.tgz#346863ebb7eec542b8a5a4d6548440bf95a88608"
+  integrity sha512-zSKVJdy7QjmFeWTNNoL+gLf4KugIVln6XdKNIxjY8yebJ0buCeKcKoEQPfxruSbPGFakFGVl/abtF9SDpauh/A==
 
 react-clientside-effect@^1.2.2:
   version "1.2.2"