fix(core): update typescript version

Author: theiliad

packages/angular/package.json

@@ -70,7 +70,7 @@
 		"ng-packagr": "4.7.1",
 		"rxjs": "6.3.3",
 		"tslint": "5.14.0",
-		"typescript": "2.7.2",
+		"typescript": "2.8.1",
 		"zone.js": "0.8.29"
 	},
 	"ngPackage": {

packages/core/package.json

@@ -95,7 +95,7 @@
     "tslint": "5.8.0",
     "tslint-loader": "3.5.3",
     "typedoc": "0.11.1",
-    "typescript": "2.7.2",
+    "typescript": "2.8.1",
     "url-loader": "0.6.2",
     "webpack": "4.41.0",
     "webpack-cli": "3.3.9",

packages/core/rollup.config.js

@@ -12,7 +12,7 @@ export default {
 			format: "esm"
 		},
 		{
-			file: `${outputDir}/index.umd.js`,
+			file: `${outputDir}/bundle.js`,
 			format: "umd",
 			name: "Charts",
 			globals: {

yarn-offline-mirror-cache/typescript-2.8.1.tgz

@@ -19562,6 +19562,11 @@ typescript@2.7.2:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.2.tgz#2d615a1ef4aee4f574425cdff7026edf81919836"
   integrity sha512-p5TCYZDAO0m4G344hD+wx/LATebLWZNkkh2asWUFqSsD2OrDNhbAHuSjobrmsUmdzjJjEeZVU9g1h3O6vpstnw==
 
+typescript@2.8.1:
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.1.tgz#6160e4f8f195d5ba81d4876f9c0cc1fbc0820624"
+  integrity sha512-Ao/f6d/4EPLq0YwzsQz8iXflezpTkQzqAyenTiw4kCUGr1uPiFLC3+fZ+gMZz6eeI/qdRUqvC+HxIJzUAzEFdg==
+
 typescript@2.9.2:
   version "2.9.2"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"