Use coverage-node to enforce 100% code coverage for tests.

Author: jaydenseric

changelog.md

@@ -12,6 +12,7 @@
 ### Patch
 
 - Updated dependencies.
+- Use [`coverage-node`](https://npm.im/coverage-node) to enforce 100% code coverage for tests.
 - Increased the universal API size-limit from 3 KB to 3.5 KB.
 - Updated the `useGraphQL` React hook examples to use the [GitHub GraphQL API](https://docs.github.com/en/graphql).
 - Improved the `useGraphQL` React hook tests.

package.json

@@ -74,6 +74,7 @@
     "@babel/preset-react": "^7.10.4",
     "@size-limit/preset-small-lib": "^4.6.0",
     "babel-eslint": "^10.1.0",
+    "coverage-node": "^3.0.0",
     "eslint": "^7.9.0",
     "eslint-config-env": "^15.0.1",
     "eslint-config-prettier": "^6.11.0",
@@ -109,7 +110,7 @@
     "test": "npm run test:eslint && npm run test:prettier && npm run test:api && npm run test:size",
     "test:eslint": "eslint --ext mjs,js .",
     "test:prettier": "prettier -c .",
-    "test:api": "node -r hard-rejection/register test",
+    "test:api": "coverage-node -r hard-rejection/register test",
     "test:size": "size-limit",
     "prepublishOnly": "npm test"
   }