add typecheck script to package.json, add typecheck to tslint scr… (#47)

add typecheck script to package.json, add typecheck to tslint script

Author: Can-Sahin

package.json

@@ -37,7 +37,8 @@
     "lint:eslint:fix": "eslint --ignore-path .gitignore --ignore-pattern internals/scripts --fix",
     "lint:js": "npm run lint:eslint -- . ",
     "lint:ts": "npm run lint:tslint",
-    "lint:tslint": "tslint --config ./tslint.json --project ./tsconfig.json",
+    "lint:tslint": "tslint --config ./tslint.json --project ./tsconfig.json --fix && npm run typecheck",
+    "typecheck": "tsc --noEmit",
     "pretest": "npm run test:clean && npm run lint",
     "test:clean": "rimraf ./coverage",
     "test": "cross-env NODE_ENV=test jest --coverage",