test: compare coverage (#652)

* test: compare coverage

* test: update test coverage

* ci: remove rc

* test: update test coverage

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: Cafe137

.github/workflows/ci.yaml

@@ -60,3 +60,9 @@ jobs:
 
       - name: Tests
         run: npm run test
+
+      - name: Compare coverage
+        if: github.ref != 'refs/heads/master'
+        run:
+          npx npxie coverage-comparison "${{ github.repository }}" "master" "${{ github.head_ref }}"
+          "test/coverage/coverage-summary.json" "${{ github.event.pull_request.number }}" "${{ secrets.GITHUB_TOKEN }}"

jest.config.ts

@@ -59,16 +59,10 @@ export default async (): Promise<Config.InitialOptions> => {
   }
 
   return {
-    // Indicates whether the coverage information should be collected while executing the test
-    // collectCoverage: false,
-
-    // The directory where Jest should output its coverage files
+    collectCoverage: true,
     coverageDirectory: 'coverage',
-
-    // An array of regexp pattern strings used to skip coverage collection
-    coveragePathIgnorePatterns: ['/node_modules/'],
-
-    // An array of directory names to be searched recursively up from the requiring module's location
+    coverageReporters: ['lcov', 'json-summary'],
+    collectCoverageFrom: ['src/**/*.ts'],
     moduleDirectories: ['node_modules'],
 
     // Run tests from one or more projects