fix(ci): enable coverage collection and test source files

.github/workflows/coverage.yml

@@ -9,24 +9,20 @@ on:
 
 jobs:
   coverage:
-    permissions:
-      checks: write
-      pull-requests: write
-      contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version-file: ".nvmrc"
       - uses: pnpm/action-setup@v4
-      - uses: ArtiomTr/jest-coverage-report-action@v2
-        id: coverage
-        with:
-          package-manager: pnpm
-          test-script: pnpm jest
-          output: report-markdown
+      - name: Install dependencies
+        run: pnpm install
+      - name: Run tests with coverage
+        run: pnpm jest --coverage
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v5
         with:
-          token: ${{ secrets.CODECOV_TOKEN }}
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./coverage/lcov.info
+          fail_ci_if_error: true

jest.config.ts

@@ -1,13 +1,13 @@
 export default {
   testMatch: ['**/test/**/*.spec.ts'],
-  roots: ['./test'],
-  coveragePathIgnorePatterns: ['test/*'],
+  roots: ['<rootDir>'],
+  collectCoverage: true,
+  collectCoverageFrom: ['index.ts'],
+  coveragePathIgnorePatterns: ['/node_modules/', '/test/', '/dist/'],
+  coverageReporters: ['text', 'lcov', 'json'],
   reporters: ['default', ['jest-summary-reporter', { failuresOnly: true }], ['jest-html-reporters', {}]],
   verbose: true,
   maxWorkers: '100%',
-  transform: {
-    '^.+\\.(ts|tsx)$': 'ts-jest'
-  },
   testEnvironment: 'node',
   preset: 'ts-jest',
   slowTestThreshold: 1.5 * 1000,

test/DAGraph.spec.ts

@@ -1,6 +1,6 @@
 import 'jest-extended';
 import { v4 as uuid } from 'uuid';
-import createDAG, { Identifiable } from '..';
+import createDAG, { Identifiable } from '../index';
 
 describe('DAGraph', () => {
   describe('addEdge', function () {