Add fun-events dependency

Author: surol

package.json

@@ -21,6 +21,7 @@
   "dependencies": {
     "a-iterable": "^2.4.2",
     "call-thru": "^2.5.2",
+    "fun-events": "^5.0.3",
     "tslib": "^1.10.0"
   },
   "devDependencies": {

tsconfig.json

@@ -13,6 +13,7 @@
     "importHelpers": true,
     "noEmitHelpers": true,
     "lib": [
+      "dom",
       "es6"
     ],
     "outDir": "target/js",

yarn.lock

@@ -1363,6 +1363,14 @@ fsevents@^1.2.7:
     nan "^2.12.1"
     node-pre-gyp "^0.12.0"
 
+fun-events@^5.0.3:
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/fun-events/-/fun-events-5.0.3.tgz#de80b7f7c4a21191a5a716d4838a774d69f6c8f9"
+  integrity sha512-QZDxSsAr1/YYqveybDIUsidQTf4ZZin55yH3qJczO1J5NiIwJfjpKujYxTMFXJXwgT0ZdgAckxvqrRSNQQSjww==
+  dependencies:
+    call-thru "^2.5.2"
+    tslib "^1.10.0"
+
 function-bind@^1.0.2, function-bind@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"