feat: create coverage report

.github/workflows/lint-and-test-code.yml

@@ -57,4 +57,13 @@ jobs:
         run: npm run lint
 
       - name: Test
-        run: npm test
+        run: npm test-coverage
+
+      - name: Upload coverage report
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage
+          path: coverage/lcov-report/
+
+      - name: Upload coverage to Coveralls
+        uses: coverallsapp/github-action@v2

.gitignore

@@ -1,3 +1,4 @@
 node_modules/
 dist/
 test.ts
+coverage/

lib/Debouncer.spec.ts

@@ -29,7 +29,7 @@ describe("Debouncer", () => {
     const avg = deltaTs
       .reduce((a, b) => a + b, 0) / deltaTs.length;
 
-    expect(avg).toBeLessThanOrEqual(deb.getTimeout() + 50);
+    expect(avg + 10).toBeLessThanOrEqual(deb.getTimeout() + 50);
   });
 
   //#region idle
@@ -67,7 +67,7 @@ describe("Debouncer", () => {
     const avg = deltaTs
       .reduce((a, b) => a + b, 0) / deltaTs.length;
 
-    expect(avg).toBeGreaterThanOrEqual(minDeltaT);
+    expect(avg + 10).toBeGreaterThanOrEqual(minDeltaT);
   });
 
   //#region all methods

package.json

@@ -37,7 +37,8 @@
     "test-gm-serve": "node --import tsx ./test/TestPage/server.mts",
     "test-gm-dev": "cd test/TestScript && pnpm dev",
     "test-gm": "concurrently \"pnpm test-gm-serve\" \"pnpm test-gm-dev\"",
-    "test": "vitest --passWithNoTests"
+    "test": "vitest --passWithNoTests",
+    "test-coverage": "vitest --passWithNoTests --coverage"
   },
   "repository": {
     "type": "git",
@@ -71,6 +72,7 @@
     "@typescript-eslint/eslint-plugin": "^8.21.0",
     "@typescript-eslint/parser": "^8.21.0",
     "@typescript-eslint/utils": "^8.21.0",
+    "@vitest/coverage-v8": "^3.0.9",
     "concurrently": "^8.2.2",
     "eslint": "^9.18.0",
     "express": "^4.21.2",

pnpm-lock.yaml

@@ -45,6 +45,9 @@ importers:
       '@typescript-eslint/utils':
         specifier: ^8.21.0
         version: 8.21.0([email protected])([email protected])
+      '@vitest/coverage-v8':
+        specifier: ^3.0.9
+        version: 3.0.9([email protected](@types/[email protected])([email protected])([email protected])([email protected])([email protected]))
       concurrently:
         specifier: ^8.2.2
         version: 8.2.2
@@ -81,6 +84,10 @@ importers:
 
 packages:
 
+  '@ampproject/[email protected]':
+    resolution: {integrity: sha512-30iZtAPgz+LTIYoeivqYo853f02jBYSd5uGnGpkFV0M3xOt9aN73erkgYAmZU43x4VfqcnLxW9Kpg3R5LC4YYw==}
+    engines: {node: '>=6.0.0'}
+
   '@asamuzakjp/[email protected]':
     resolution: {integrity: sha512-hpRD68SV2OMcZCsrbdkccTw5FXjNDLo5OuqSHyHZfwweGsDWZwDJ2+gONyNAbazZclobMirACLw0lk8WVxIqxA==}
 
@@ -88,14 +95,31 @@ packages:
     resolution: {integrity: sha512-RJlIHRueQgwWitWgF8OdFYGZX328Ax5BCemNGlqHfplnRT9ESi8JkFlvaVYbS+UubVY6dpv87Fs2u5M29iNFVQ==}
     engines: {node: '>=6.9.0'}
 
+  '@babel/[email protected]':
+    resolution: {integrity: sha512-4A/SCr/2KLd5jrtOMFzaKjVtAei3+2r/NChoBNoZ3EyP/+GlhoaEGoWOZUmFmoITP7zOJyHIMm+DYRd8o3PvHA==}
+    engines: {node: '>=6.9.0'}
+
   '@babel/[email protected]':
     resolution: {integrity: sha512-Ed61U6XJc3CVRfkERJWDz4dJwKe7iLmmJsbOGu9wSloNSFttHV0I8g6UAgb7qnK5ly5bGLPd4oXZlxCdANBOWQ==}
     engines: {node: '>=6.9.0'}
 
+  '@babel/[email protected]':
+    resolution: {integrity: sha512-iaepho73/2Pz7w2eMS0Q5f83+0RKI7i4xmiYeBmDzfRVbQtTOG7Ts0S4HzJVsTMGI9keU8rNfuZr8DKfSt7Yyg==}
+    engines: {node: '>=6.0.0'}
+    hasBin: true
+
   '@babel/[email protected]':
     resolution: {integrity: sha512-FDSOghenHTiToteC/QRlv2q3DhPZ/oOXTBoirfWNx1Cx3TMVcGWQtMMmQcSvb/JjpNeGzx8Pq/b4fKEJuWm1sw==}
     engines: {node: '>=6.9.0'}
 
+  '@babel/[email protected]':
+    resolution: {integrity: sha512-H45s8fVLYjbhFH62dIJ3WtmJ6RSPt/3DRO0ZcT2SUiYiQyz3BLVb9ADEnLl91m74aQPS3AzzeajZHYOalWe3bg==}
+    engines: {node: '>=6.9.0'}
+
+  '@bcoe/[email protected]':
+    resolution: {integrity: sha512-6zABk/ECA/QYSCQ1NGiVwwbQerUCZ+TQbp64Q3AgmfNvurHH0j8TtXa1qbShXA6qqkpAj4V5W8pP6mLe1mcMqA==}
+    engines: {node: '>=18'}
+
   '@changesets/[email protected]':
     resolution: {integrity: sha512-qnPOcmmmnD0MfMg9DjU1/onORFyRpDXkMMl2IJg9mECY6RnxL3wN0TCCc92b2sXt1jt8DgjAUUsZYGUGTdYIXA==}
 
@@ -685,6 +709,10 @@ packages:
     resolution: {integrity: sha512-O8jcjabXaleOG9DQ0+ARXWZBTfnP4WNAqzuiJK7ll44AmxGKv/J2M4TPjxjY3znBCfvBXFzucm1twdyFybFqEA==}
     engines: {node: '>=12'}
 
+  '@istanbuljs/[email protected]':
+    resolution: {integrity: sha512-ZXRY4jNvVgSVQ8DL3LTcakaAtXwTVUxE81hslsyD2AtoXW/wVob10HkOJ1X/pAlcI7D+2YoZKg5do8G/w6RYgA==}
+    engines: {node: '>=8'}
+
   '@jridgewell/[email protected]':
     resolution: {integrity: sha512-imAbBGkb+ebQyxKgzv5Hu2nmROxoDOXHh80evxdoXNOrvAnVx7zimzc1Oo5h9RlfV4vPXaE2iM5pOFbvOCClWA==}
     engines: {node: '>=6.0.0'}
@@ -925,6 +953,15 @@ packages:
     resolution: {integrity: sha512-BkLMNpdV6prozk8LlyK/SOoWLmUFi+ZD+pcqti9ILCbVvHGk1ui1g4jJOc2WDLaeExz2qWwojxlPce5PljcT3w==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
+  '@vitest/[email protected]':
+    resolution: {integrity: sha512-15OACZcBtQ34keIEn19JYTVuMFTlFrClclwWjHo/IRPg/8ELpkgNTl0o7WLP9WO9XGH6+tip9CPYtEOrIDJvBA==}
+    peerDependencies:
+      '@vitest/browser': 3.0.9
+      vitest: 3.0.9
+    peerDependenciesMeta:
+      '@vitest/browser':
+        optional: true
+
   '@vitest/[email protected]':
     resolution: {integrity: sha512-5eCqRItYgIML7NNVgJj6TVCmdzE7ZVgJhruW0ziSQV4V7PvLkDL1bBkBdcTs/VuIz0IxPb5da1IDSqc1TR9eig==}
 
@@ -1513,6 +1550,9 @@ packages:
     resolution: {integrity: sha512-Y22oTqIU4uuPgEemfz7NDJz6OeKf12Lsu+QC+s3BVpda64lTiMYCyGwg5ki4vFxkMwQdeZDl2adZoqUgdFuTgQ==}
     engines: {node: '>=18'}
 
+  [email protected]:
+    resolution: {integrity: sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==}
+
   [email protected]:
     resolution: {integrity: sha512-FtwrG/euBzaEjYeRqOgly7G0qviiXoJWnvEH2Z1plBdXgbyjv34pHTSb9zoeHMyDy33+DWy5Wt9Wo+TURtOYSQ==}
     engines: {node: '>= 0.8'}
@@ -1585,6 +1625,22 @@ packages:
   [email protected]:
     resolution: {integrity: sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==}
 
+  [email protected]:
+    resolution: {integrity: sha512-O8dpsF+r0WV/8MNRKfnmrtCWhuKjxrq2w+jpzBL5UZKTi2LeVWnWOmWRxFlesJONmc+wLAGvKQZEOanko0LFTg==}
+    engines: {node: '>=8'}
+
+  [email protected]:
+    resolution: {integrity: sha512-GCfE1mtsHGOELCU8e/Z7YWzpmybrx/+dSTfLrvY8qRmaY6zXTKWn6WQIjaAFw069icm6GVMNkgu0NzI4iPZUNw==}
+    engines: {node: '>=10'}
+
+  [email protected]:
+    resolution: {integrity: sha512-yg2d+Em4KizZC5niWhQaIomgf5WlL4vOOjZ5xGCmF8SnPE/mDWWXgvRExdcpCgh9lLRRa1/fSYp2ymmbJ1pI+A==}
+    engines: {node: '>=10'}
+
+  [email protected]:
+    resolution: {integrity: sha512-BewmUXImeuRk2YY0PVbxgKAysvhRPUQE0h5QRM++nVWyubKGV0l8qQ5op8+B2DOmwSe63Jivj0BjkPQVf8fP5g==}
+    engines: {node: '>=8'}
+
   [email protected]:
     resolution: {integrity: sha512-OGlZQpz2yfahA/Rd1Y8Cd9SIEsqvXkLVoSw/cgwhnhFMDbsQFeZYoJJ7bIZBS9BcamUW96asq/npPWugM+RQBw==}
 
@@ -1679,6 +1735,13 @@ packages:
   [email protected]:
     resolution: {integrity: sha512-sNPKHvyjVf7gyjwS4xGTaW/mCnF8wnjtifKBEhxfZ7E/S8tQ0rssrwGNn6q8JH/ohItJfSQp9mBtQYuTlH5QnA==}
 
+  [email protected]:
+    resolution: {integrity: sha512-L0WhttDl+2BOsybvEOLK7fW3UA0OQ0IQ2d6Zl2x/a6vVRs3bAY0ECOSHHeL5jD+SbOpOCUEi0y1DgHEn9Qn1AQ==}
+
+  [email protected]:
+    resolution: {integrity: sha512-hXdUTZYIVOt1Ex//jAQi+wTZZpUpwBj/0QsOzqegb3rGMMeJiSEu5xLHnYfBrRV4RH2+OCSOO95Is/7x1WJ4bw==}
+    engines: {node: '>=10'}
+
   [email protected]:
     resolution: {integrity: sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==}
     engines: {node: '>= 0.4'}
@@ -2112,6 +2175,10 @@ packages:
     resolution: {integrity: sha512-wK0Ri4fOGjv/XPy8SBHZChl8CM7uMc5VML7SqiQ0zG7+J5Vr+RMQDoHa2CNT6KHUnTGIXH34UDMkPzAUyapBZg==}
     engines: {node: '>=8'}
 
+  [email protected]:
+    resolution: {integrity: sha512-pFYqmTw68LXVjeWJMST4+borgQP2AyMNbg1BpZh9LbyhUeNkeaPF9gzfPGUAnSMV3qPYdWUwDIjjCLiSDOl7vg==}
+    engines: {node: '>=18'}
+
   [email protected]:
     resolution: {integrity: sha512-RNxQH/qI8/t3thXJDwcstUO4zeqo64+Uy/+sNVRBx4Xn2OX+OZ9oP+iJnNFqplFra2ZUVeKCSa2oVWi3T4uVmA==}
     engines: {node: '>=0.8'}
@@ -2416,6 +2483,11 @@ packages:
 
 snapshots:
 
+  '@ampproject/[email protected]':
+    dependencies:
+      '@jridgewell/gen-mapping': 0.3.8
+      '@jridgewell/trace-mapping': 0.3.25
+
   '@asamuzakjp/[email protected]':
     dependencies:
       '@csstools/css-calc': 2.1.2(@csstools/[email protected](@csstools/[email protected]))(@csstools/[email protected])
@@ -2430,12 +2502,25 @@ snapshots:
       js-tokens: 4.0.0
       picocolors: 1.1.1
 
+  '@babel/[email protected]': {}
+
   '@babel/[email protected]': {}
 
+  '@babel/[email protected]':
+    dependencies:
+      '@babel/types': 7.27.0
+
   '@babel/[email protected]':
     dependencies:
       regenerator-runtime: 0.14.1
 
+  '@babel/[email protected]':
+    dependencies:
+      '@babel/helper-string-parser': 7.25.9
+      '@babel/helper-validator-identifier': 7.25.9
+
+  '@bcoe/[email protected]': {}
+
   '@changesets/[email protected]':
     dependencies:
       '@changesets/config': 3.0.5
@@ -2886,6 +2971,8 @@ snapshots:
       wrap-ansi: 8.1.0
       wrap-ansi-cjs: [email protected]
 
+  '@istanbuljs/[email protected]': {}
+
   '@jridgewell/[email protected]':
     dependencies:
       '@jridgewell/set-array': 1.2.1
@@ -3143,6 +3230,24 @@ snapshots:
       '@typescript-eslint/types': 8.21.0
       eslint-visitor-keys: 4.2.0
 
+  '@vitest/[email protected]([email protected](@types/[email protected])([email protected])([email protected])([email protected])([email protected]))':
+    dependencies:
+      '@ampproject/remapping': 2.3.0
+      '@bcoe/v8-coverage': 1.0.2
+      debug: 4.4.0
+      istanbul-lib-coverage: 3.2.2
+      istanbul-lib-report: 3.0.1
+      istanbul-lib-source-maps: 5.0.6
+      istanbul-reports: 3.1.7
+      magic-string: 0.30.17
+      magicast: 0.3.5
+      std-env: 3.8.1
+      test-exclude: 7.0.1
+      tinyrainbow: 2.0.0
+      vitest: 3.0.9(@types/[email protected])([email protected])([email protected])([email protected])([email protected])
+    transitivePeerDependencies:
+      - supports-color
+
   '@vitest/[email protected]':
     dependencies:
       '@vitest/spy': 3.0.9
@@ -3836,6 +3941,8 @@ snapshots:
     dependencies:
       whatwg-encoding: 3.1.1
 
+  [email protected]: {}
+
   [email protected]:
     dependencies:
       depd: 2.0.0
@@ -3901,6 +4008,27 @@ snapshots:
 
   [email protected]: {}
 
+  [email protected]: {}
+
+  [email protected]:
+    dependencies:
+      istanbul-lib-coverage: 3.2.2
+      make-dir: 4.0.0
+      supports-color: 7.2.0
+
+  [email protected]:
+    dependencies:
+      '@jridgewell/trace-mapping': 0.3.25
+      debug: 4.4.0
+      istanbul-lib-coverage: 3.2.2
+    transitivePeerDependencies:
+      - supports-color
+
+  [email protected]:
+    dependencies:
+      html-escaper: 2.0.2
+      istanbul-lib-report: 3.0.1
+
   [email protected]:
     dependencies:
       '@isaacs/cliui': 8.0.2
@@ -4001,6 +4129,16 @@ snapshots:
     dependencies:
       '@jridgewell/sourcemap-codec': 1.5.0
 
+  [email protected]:
+    dependencies:
+      '@babel/parser': 7.27.0
+      '@babel/types': 7.27.0
+      source-map-js: 1.2.1
+
+  [email protected]:
+    dependencies:
+      semver: 7.6.3
+
   [email protected]: {}
 
   [email protected]: {}
@@ -4394,6 +4532,12 @@ snapshots:
 
   [email protected]: {}
 
+  [email protected]:
+    dependencies:
+      '@istanbuljs/schema': 0.1.3
+      glob: 10.4.5
+      minimatch: 9.0.5
+
   [email protected]:
     dependencies:
       thenify: 3.3.1

vitest.config.ts

@@ -2,6 +2,12 @@ import { defineConfig } from "vitest/config";
 
 export default defineConfig({
   test: {
+    coverage: {
+      enabled: true,
+      provider: "v8",
+      include: ["lib/**/*.ts"],
+      reporter: ["text", "text-summary", "html", "lcov"],
+    },
     include: ["lib/**/*.spec.ts"],
     environment: "jsdom",
     testTimeout: 10_000,