Collect coverage with Jest

Author: rkuykendall

Diff for: .prettierignore

@@ -1,2 +1,3 @@
 dist
 CHANGELOG.md
+coverage

Diff for: __test_utils__/TestInput.tsx

@@ -1,4 +1,5 @@
 import React from 'react';
+
 import { withFormsy } from '../src';
 import { PassDownProps } from '../src/Wrapper';
 

Diff for: package.json

@@ -21,6 +21,11 @@
     }
   },
   "jest": {
+    "collectCoverage": true,
+    "collectCoverageFrom": [
+      "src/**/*.tsx",
+      "src/**/*.ts"
+    ],
     "transform": {
       "^.+\\.(js|jsx|ts|tsx)$": "babel-jest"
     },