Merge pull request #39 from nbeach/typescript-update

Updated typescript and enabled more rigorous compiler checks

package.json

@@ -97,7 +97,7 @@
     "ts-node": "^5.0.1",
     "tslint": "^5.9.1",
     "tslint-no-unused-expression-chai": "^0.1.3",
-    "typescript": "^2.8.1",
+    "typescript": "^2.9.2",
     "webpack": "^4.11.1",
     "zone.js": "^0.8.17"
   },

tsconfig.json

@@ -7,10 +7,8 @@
     "emitDecoratorMetadata": true,
     "importHelpers": true,
     "noEmitHelpers": true,
-    "noImplicitThis": true,
+    "strict": true,
     "noImplicitReturns": true,
-    "noImplicitAny": true,
-    "strictNullChecks": true,
     "suppressImplicitAnyIndexErrors": true,
     "lib": ["es6", "dom"],
     "types": ["node", "mocha", "chai-dom", "sinon-chai",  "webpack-env"],

yarn.lock

@@ -5031,9 +5031,9 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@^2.8.1:
-  version "2.8.1"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.1.tgz#6160e4f8f195d5ba81d4876f9c0cc1fbc0820624"
+typescript@^2.9.2:
+  version "2.9.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"
 
 uglify-es@^3.3.4:
   version "3.3.9"