use tsconfig-holy-grail

package.json

@@ -45,6 +45,7 @@
     "sinon": "^2.0.0",
     "sinon-chai": "^2.8.0",
     "ts-loader": "^2.0.0",
+    "tsconfig-holy-grail": "^2.0.0",
     "tslint-config-holy-grail": "^7.0.0",
     "typescript": "^2.1.1",
     "webpack": "^2.2.0"

src/tsconfig.json

@@ -1,25 +1,3 @@
 {
-  "compileOnSave": false,
-  "compilerOptions": {
-    "alwaysStrict": true,
-    "declaration": true,
-    "emitDecoratorMetadata": true,
-    "experimentalDecorators": true,
-    "lib": [ "dom", "es2015" ],
-    "module": "es2015",
-    "moduleResolution": "node",
-    "noFallthroughCasesInSwitch": true,
-    "noImplicitAny": true,
-    "noImplicitReturns": true,
-    "noImplicitThis": true,
-    "noUnusedLocals": true,
-    "noUnusedParameters": true,
-    "outDir": "../build/es2015",
-    "sourceMap": true,
-    "strictNullChecks": true,
-    "target": "es2015",
-    "typeRoots": [
-      "../node_modules/@types"
-    ]
-  }
+  "extends": "../node_modules/tsconfig-holy-grail/src/tsconfig-browser.json"
 }