upgrade ts

package.json

@@ -71,7 +71,7 @@
     "tslint-config-standard": "^7.0.0",
     "typedoc": "0.8.0",
     "typedoc-plugin-external-module-name": "^1.1.1",
-    "typescript": "^2.7.2",
+    "typescript": "^3.4.3",
     "webpack": "^4.16.5",
     "webpack-cli": "^3.1.0"
   },

yarn.lock

@@ -4594,9 +4594,9 @@ typescript@2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.4.1.tgz#c3ccb16ddaa0b2314de031e7e6fee89e5ba346bc"
 
-typescript@^2.7.2:
-  version "2.7.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.2.tgz#2d615a1ef4aee4f574425cdff7026edf81919836"
+typescript@^3.4.3:
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.4.3.tgz#0eb320e4ace9b10eadf5bc6103286b0f8b7c224f"
 
 uglify-es@^3.3.4:
   version "3.3.9"