test: add test.unit

Fixes #122

Author: aminya

package.json

@@ -15,8 +15,11 @@
     "test.format": "prettier . --check",
     "lint": "eslint . --fix",
     "test.lint": "eslint .",
-    "test": "npm run build && atom --test spec",
+    "test": "npm run test.unit && npm run test.integration",
+    "test.unit": "npm run tsc && atom --test spec",
+    "test.integration": "npm run build && atom --test spec",
     "clean": "shx rm -rf dist",
+    "tsc": "tsc -p ./lib/tsconfig.json",
     "dev": "npm run clean && cross-env NODE_ENV=development cross-env BABEL_KEEP_MODULES=true rollup -c -w",
     "build": "npm run clean && cross-env NODE_ENV=production cross-env BABEL_KEEP_MODULES=true rollup -c",
     "build-commit": "build-commit -o dist",