DST-1321 test and logic clean up (#151)

* 🔨 Cleans up tests and core logic

* 🔧 Adds test watch command

* docs(changeset): Minor clean-up and formatting

* 🎨 Improve formatting and code structure

Author: danieldelcore

.changeset/healthy-onions-design.md

@@ -0,0 +1,5 @@
+---
+'extract-react-types': patch
+---
+
+Minor clean-up and formatting

package.json

@@ -4,6 +4,7 @@
   "license": "MIT",
   "scripts": {
     "test": "jest",
+    "test:watch": "jest --watch",
     "changeset": "changeset",
     "apply-changesets": "changeset version",
     "release": "yarn build && changeset publish",