fix: update dependencies to latest

.github/ISSUE_TEMPLATE/BUG.md

@@ -1,8 +1,8 @@
 ---
-name: '🐛 Bug Report'
-about: 'Report an unexpected problem or unintended behavior.'
-title: '[Bug]'
-labels: 'bug'
+name: "🐛 Bug Report"
+about: "Report an unexpected problem or unintended behavior."
+title: "[Bug]"
+labels: "bug"
 ---
 
 <!--

.github/ISSUE_TEMPLATE/DOCUMENTATION.md

@@ -1,8 +1,8 @@
 ---
-name: '📜 Documentation'
-about: 'Correct spelling errors, improvements or additions to documentation files (README, CONTRIBUTING...).'
-title: '[Documentation]'
-labels: 'documentation'
+name: "📜 Documentation"
+about: "Correct spelling errors, improvements or additions to documentation files (README, CONTRIBUTING...)."
+title: "[Documentation]"
+labels: "documentation"
 ---
 
 <!-- Please make sure your issue has not already been fixed. -->

.github/ISSUE_TEMPLATE/FEATURE_REQUEST.md

@@ -1,8 +1,8 @@
 ---
-name: '✨ Feature Request'
-about: 'Suggest a new feature idea.'
-title: '[Feature]'
-labels: 'feature request'
+name: "✨ Feature Request"
+about: "Suggest a new feature idea."
+title: "[Feature]"
+labels: "feature request"
 ---
 
 <!-- Please make sure your issue has not already been fixed. -->

.github/ISSUE_TEMPLATE/IMPROVEMENT.md

@@ -1,8 +1,8 @@
 ---
-name: '🔧 Improvement'
-about: 'Improve structure/format/performance/refactor/tests of the code.'
-title: '[Improvement]'
-labels: 'improvement'
+name: "🔧 Improvement"
+about: "Improve structure/format/performance/refactor/tests of the code."
+title: "[Improvement]"
+labels: "improvement"
 ---
 
 <!-- Please make sure your issue has not already been fixed. -->

.github/ISSUE_TEMPLATE/QUESTION.md

@@ -1,8 +1,8 @@
 ---
-name: '🙋 Question'
-about: 'Further information is requested.'
-title: '[Question]'
-labels: 'question'
+name: "🙋 Question"
+about: "Further information is requested."
+title: "[Question]"
+labels: "question"
 ---
 
 ### Question

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: 'Build'
+name: "Build"
 
 on:
   push:
@@ -8,20 +8,20 @@ on:
 
 jobs:
   build:
-    runs-on: 'ubuntu-latest'
+    runs-on: "ubuntu-latest"
     steps:
-      - uses: 'actions/checkout@v3.5.3'
+      - uses: "actions/checkout@v4.1.1"
 
-      - name: 'Setup Node.js'
-        uses: 'actions/setup-node@v3.6.0'
+      - name: "Setup Node.js"
+        uses: "actions/setup-node@v4.0.1"
         with:
-          node-version: 'lts/*'
-          cache: 'npm'
+          node-version: "lts/*"
+          cache: "npm"
 
-      - name: 'Install dependencies'
-        run: 'npm clean-install'
+      - name: "Install dependencies"
+        run: "npm clean-install"
 
-      - name: 'Build'
-        run: 'npm run build'
+      - name: "Build"
+        run: "npm run build"
 
-      - run: 'npm run build:typescript'
+      - run: "npm run build:typescript"

.github/workflows/lint.yml

@@ -1,4 +1,4 @@
-name: 'Lint'
+name: "Lint"
 
 on:
   push:
@@ -8,21 +8,21 @@ on:
 
 jobs:
   lint:
-    runs-on: 'ubuntu-latest'
+    runs-on: "ubuntu-latest"
     steps:
-      - uses: 'actions/checkout@v3.5.3'
+      - uses: "actions/checkout@v4.1.1"
 
-      - name: 'Setup Node.js'
-        uses: 'actions/setup-node@v3.6.0'
+      - name: "Setup Node.js"
+        uses: "actions/setup-node@v4.0.1"
         with:
-          node-version: 'lts/*'
-          cache: 'npm'
+          node-version: "lts/*"
+          cache: "npm"
 
-      - name: 'Install dependencies'
-        run: 'npm clean-install'
+      - name: "Install dependencies"
+        run: "npm clean-install"
 
       - run: 'npm run lint:commit -- --to "${{ github.sha }}"'
-      - run: 'npm run lint:editorconfig'
-      - run: 'npm run lint:markdown'
-      - run: 'npm run lint:eslint'
-      - run: 'npm run lint:prettier'
+      - run: "npm run lint:editorconfig"
+      - run: "npm run lint:markdown"
+      - run: "npm run lint:eslint"
+      - run: "npm run lint:prettier"

.github/workflows/release.yml

@@ -1,4 +1,4 @@
-name: 'Release'
+name: "Release"
 
 on:
   push:
@@ -6,37 +6,37 @@ on:
 
 jobs:
   release:
-    runs-on: 'ubuntu-latest'
+    runs-on: "ubuntu-latest"
     permissions:
-      contents: 'write'
-      issues: 'write'
-      pull-requests: 'write'
-      id-token: 'write'
+      contents: "write"
+      issues: "write"
+      pull-requests: "write"
+      id-token: "write"
     steps:
-      - uses: 'actions/checkout@v3.5.3'
+      - uses: "actions/checkout@v4.1.1"
         with:
           fetch-depth: 0
           persist-credentials: false
 
-      - name: 'Setup Node.js'
-        uses: 'actions/setup-node@v3.6.0'
+      - name: "Setup Node.js"
+        uses: "actions/setup-node@v4.0.1"
         with:
-          node-version: 'lts/*'
-          cache: 'npm'
+          node-version: "lts/*"
+          cache: "npm"
 
-      - name: 'Install dependencies'
-        run: 'npm clean-install'
+      - name: "Install dependencies"
+        run: "npm clean-install"
 
-      - name: 'Build'
-        run: 'npm run build'
+      - name: "Build"
+        run: "npm run build"
 
-      - run: 'npm run build:typescript'
+      - run: "npm run build:typescript"
 
-      - name: 'Verify the integrity of provenance attestations and registry signatures for installed dependencies'
-        run: 'npm audit signatures'
+      - name: "Verify the integrity of provenance attestations and registry signatures for installed dependencies"
+        run: "npm audit signatures"
 
-      - name: 'Release'
-        run: 'npm run release'
+      - name: "Release"
+        run: "npm run release"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: 'Test'
+name: "Test"
 
 on:
   push:
@@ -8,21 +8,21 @@ on:
 
 jobs:
   test:
-    runs-on: 'ubuntu-latest'
+    runs-on: "ubuntu-latest"
     steps:
-      - uses: 'actions/checkout@v3.5.3'
+      - uses: "actions/checkout@v4.1.1"
 
-      - name: 'Setup Node.js'
-        uses: 'actions/setup-node@v3.6.0'
+      - name: "Setup Node.js"
+        uses: "actions/setup-node@v4.0.1"
         with:
-          node-version: 'lts/*'
-          cache: 'npm'
+          node-version: "lts/*"
+          cache: "npm"
 
-      - name: 'Install dependencies'
-        run: 'npm clean-install'
+      - name: "Install dependencies"
+        run: "npm clean-install"
 
-      - name: 'Build'
-        run: 'npm run build'
+      - name: "Build"
+        run: "npm run build"
 
-      - name: 'Test'
-        run: 'npm run test'
+      - name: "Test"
+        run: "npm run test"

.html-w3c-validatorrc.json

@@ -0,0 +1,3 @@
+{
+  "files": ["./example/build/index.html", "./example/build/about.html"]
+}

.prettierignore

@@ -0,0 +1 @@
+fixtures

.prettierrc.json

@@ -1,6 +1,3 @@
 {
-  "singleQuote": true,
-  "jsxSingleQuote": true,
-  "semi": false,
-  "trailingComma": "none"
+  "semi": false
 }

.swcrc

@@ -3,21 +3,11 @@
   "jsc": {
     "parser": {
       "syntax": "typescript",
-      "decorators": true,
       "dynamicImport": true
     },
-    "transform": {
-      "legacyDecorator": true,
-      "decoratorMetadata": true
-    },
-    "target": "es2022",
-    "loose": true
+    "target": "esnext"
   },
   "module": {
-    "type": "es6",
-    "strict": false,
-    "strictMode": true,
-    "lazy": false,
-    "noInterop": false
+    "type": "es6"
   }
 }

.vscode/settings.json

@@ -5,7 +5,7 @@
   "prettier.configPath": ".prettierrc.json",
   "editor.formatOnSave": true,
   "editor.codeActionsOnSave": {
-    "source.fixAll": true
+    "source.fixAll": "explicit"
   },
   "eslint.options": {
     "ignorePath": ".gitignore"

LICENSE

@@ -1,4 +1,4 @@
-MIT License
+# MIT License
 
 Copyright (c) Théo LUDWIG
 

README.md

@@ -7,13 +7,13 @@
 </p>
 
 <p align="center">
-  <a href="./CONTRIBUTING.md"><img src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat" /></a>
+  <a href="./CONTRIBUTING.md"><img src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat" alt="CONTRIBUTING" /></a>
   <a href="./LICENSE"><img src="https://img.shields.io/badge/licence-MIT-blue.svg" alt="Licence MIT"/></a>
   <a href="./CODE_OF_CONDUCT.md"><img src="https://img.shields.io/badge/Contributor%20Covenant-v2.0%20adopted-ff69b4.svg" alt="Contributor Covenant" /></a>
   <br />
-  <a href="https://github.com/theoludwig/html-w3c-validator/actions/workflows/build.yml"><img src="https://github.com/theoludwig/html-w3c-validator/actions/workflows/build.yml/badge.svg?branch=develop" /></a>
-  <a href="https://github.com/theoludwig/html-w3c-validator/actions/workflows/lint.yml"><img src="https://github.com/theoludwig/html-w3c-validator/actions/workflows/lint.yml/badge.svg?branch=develop" /></a>
-  <a href="https://github.com/theoludwig/html-w3c-validator/actions/workflows/test.yml"><img src="https://github.com/theoludwig/html-w3c-validator/actions/workflows/test.yml/badge.svg?branch=develop" /></a>
+  <a href="https://github.com/theoludwig/html-w3c-validator/actions/workflows/build.yml"><img src="https://github.com/theoludwig/html-w3c-validator/actions/workflows/build.yml/badge.svg?branch=develop" alt="Build" /></a>
+  <a href="https://github.com/theoludwig/html-w3c-validator/actions/workflows/lint.yml"><img src="https://github.com/theoludwig/html-w3c-validator/actions/workflows/lint.yml/badge.svg?branch=develop" alt="Lint" /></a>
+  <a href="https://github.com/theoludwig/html-w3c-validator/actions/workflows/test.yml"><img src="https://github.com/theoludwig/html-w3c-validator/actions/workflows/test.yml/badge.svg?branch=develop" alt="Test" /></a>
   <br />
   <a href="https://conventionalcommits.org"><img src="https://img.shields.io/badge/Conventional%20Commits-1.0.0-yellow.svg" alt="Conventional Commits" /></a>
   <a href="https://github.com/semantic-release/semantic-release"><img src="https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg" alt="semantic-release" /></a>

example/build/about.html

@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="en">
   <head>
     <meta charset="UTF-8" />

example/build/index.html

@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="en">
   <head>
     <meta charset="UTF-8" />

example/package-lock.json

@@ -7,8 +7,8 @@
       "name": "example",
       "devDependencies": {
         "html-w3c-validator": "file:..",
-        "serve": "14.2.0",
-        "start-server-and-test": "2.0.0"
+        "serve": "14.2.1",
+        "start-server-and-test": "2.0.3"
       }
     },
     "..": {
@@ -19,43 +19,45 @@
         "chalk": "5.3.0",
         "clipanion": "3.2.1",
         "html-validator": "6.0.1",
-        "log-symbols": "5.1.0",
-        "ora": "6.3.1",
-        "read-pkg": "8.0.0",
+        "log-symbols": "6.0.0",
+        "ora": "8.0.1",
+        "read-pkg": "9.0.1",
         "table": "6.8.1"
       },
       "bin": {
         "html-w3c-validator": "build/index.js"
       },
       "devDependencies": {
-        "@commitlint/cli": "17.6.6",
-        "@commitlint/config-conventional": "17.6.6",
-        "@swc/cli": "0.1.62",
-        "@swc/core": "1.3.67",
-        "@tsconfig/strictest": "2.0.1",
-        "@types/html-validator": "5.0.3",
-        "@types/mock-fs": "4.13.1",
-        "@types/node": "20.3.3",
-        "@types/tap": "15.0.8",
-        "@typescript-eslint/eslint-plugin": "5.60.1",
-        "editorconfig-checker": "5.1.1",
-        "eslint": "8.44.0",
-        "eslint-config-conventions": "9.0.0",
-        "eslint-config-prettier": "8.8.0",
-        "eslint-plugin-import": "2.27.5",
-        "eslint-plugin-prettier": "4.2.1",
+        "@commitlint/cli": "18.4.3",
+        "@commitlint/config-conventional": "18.4.3",
+        "@swc/cli": "0.1.63",
+        "@swc/core": "1.3.101",
+        "@tsconfig/strictest": "2.0.2",
+        "@types/html-validator": "5.0.6",
+        "@types/mock-fs": "4.13.4",
+        "@types/node": "20.10.5",
+        "@types/sinon": "17.0.2",
+        "@typescript-eslint/eslint-plugin": "6.16.0",
+        "@typescript-eslint/parser": "6.16.0",
+        "editorconfig-checker": "5.1.2",
+        "eslint": "8.56.0",
+        "eslint-config-conventions": "13.1.0",
+        "eslint-config-prettier": "9.1.0",
+        "eslint-plugin-import": "2.29.1",
+        "eslint-plugin-prettier": "5.1.2",
         "eslint-plugin-promise": "6.1.1",
-        "eslint-plugin-unicorn": "47.0.0",
-        "execa": "7.1.1",
-        "lint-staged": "13.2.3",
-        "markdownlint-cli2": "0.8.1",
-        "markdownlint-rule-relative-links": "2.1.0",
+        "eslint-plugin-unicorn": "50.0.1",
+        "execa": "8.0.1",
+        "lint-staged": "15.2.0",
+        "markdownlint-cli2": "0.11.0",
+        "markdownlint-rule-relative-links": "2.1.2",
         "mock-fs": "5.2.0",
-        "prettier": "2.8.8",
-        "rimraf": "5.0.1",
-        "semantic-release": "21.0.6",
-        "serve": "14.2.0",
-        "typescript": "5.0.4"
+        "prettier": "3.1.1",
+        "rimraf": "5.0.5",
+        "semantic-release": "22.0.12",
+        "serve": "14.2.1",
+        "sinon": "17.0.1",
+        "typescript": "5.3.3"
       },
       "engines": {
         "node": ">=16.0.0",
@@ -240,13 +242,14 @@
       "dev": true
     },
     "node_modules/axios": {
-      "version": "0.27.2",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.27.2.tgz",
-      "integrity": "sha512-t+yRIyySRTp/wua5xEr+z1q60QmLq8ABsS5O9Me1AsE5dfKqgnCFzwiCZZ/cGNd1lq4/7akDWMxdhVlucjmnOQ==",
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.6.2.tgz",
+      "integrity": "sha512-7i24Ri4pmDRfJTR7LDBhsOTtcm+9kjX5WiY1X3wIisx6G9So3pfMkEiU7emUBe46oceVImccTEM3k6C5dbVW8A==",
       "dev": true,
       "dependencies": {
-        "follow-redirects": "^1.14.9",
-        "form-data": "^4.0.0"
+        "follow-redirects": "^1.15.0",
+        "form-data": "^4.0.0",
+        "proxy-from-env": "^1.1.0"
       }
     },
     "node_modules/balanced-match": {
@@ -598,9 +601,9 @@
       }
     },
     "node_modules/follow-redirects": {
-      "version": "1.15.2",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.2.tgz",
-      "integrity": "sha512-VQLG33o04KaQ8uYi2tVNbdrWp1QWxNNea+nmIB4EVM28v0hmP17z7aG1+wAkNzVq4KeXTq3221ye5qTJP91JwA==",
+      "version": "1.15.3",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.3.tgz",
+      "integrity": "sha512-1VzOtuEM8pC9SFU1E+8KfTjZyMztRsgEfwQl44z8A25uy13jSzTj6dyK2Df52iV0vgHCfBwLhDWevLn95w5v6Q==",
       "dev": true,
       "funding": [
         {
@@ -744,9 +747,9 @@
       "dev": true
     },
     "node_modules/joi": {
-      "version": "17.9.2",
-      "resolved": "https://registry.npmjs.org/joi/-/joi-17.9.2.tgz",
-      "integrity": "sha512-Itk/r+V4Dx0V3c7RLFdRh12IOjySm2/WGPMubBT92cQvRfYZhPM2W0hZlctjj72iES8jsRCwp7S/cRmWBnJ4nw==",
+      "version": "17.11.0",
+      "resolved": "https://registry.npmjs.org/joi/-/joi-17.11.0.tgz",
+      "integrity": "sha512-NgB+lZLNoqISVy1rZocE9PZI36bL/77ie924Ri43yEvi9GUUMPeyVIr8KdFTMUlby1p0PBYMk9spIxEUQYqrJQ==",
       "dev": true,
       "dependencies": {
         "@hapi/hoek": "^9.0.0",
@@ -921,6 +924,12 @@
         "through": "~2.3"
       }
     },
+    "node_modules/proxy-from-env": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
+      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==",
+      "dev": true
+    },
     "node_modules/ps-tree": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/ps-tree/-/ps-tree-1.2.0.tgz",
@@ -1013,9 +1022,9 @@
       "dev": true
     },
     "node_modules/serve": {
-      "version": "14.2.0",
-      "resolved": "https://registry.npmjs.org/serve/-/serve-14.2.0.tgz",
-      "integrity": "sha512-+HOw/XK1bW8tw5iBilBz/mJLWRzM8XM6MPxL4J/dKzdxq1vfdEWSwhaR7/yS8EJp5wzvP92p1qirysJvnEtjXg==",
+      "version": "14.2.1",
+      "resolved": "https://registry.npmjs.org/serve/-/serve-14.2.1.tgz",
+      "integrity": "sha512-48er5fzHh7GCShLnNyPBRPEjs2I6QBozeGr02gaacROiyS/8ARADlj595j39iZXAqBbJHH/ivJJyPRWY9sQWZA==",
       "dev": true,
       "dependencies": {
         "@zeit/schemas": "2.29.0",
@@ -1114,9 +1123,9 @@
       }
     },
     "node_modules/start-server-and-test": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/start-server-and-test/-/start-server-and-test-2.0.0.tgz",
-      "integrity": "sha512-UqKLw0mJbfrsG1jcRLTUlvuRi9sjNuUiDOLI42r7R5fA9dsFoywAy9DoLXNYys9B886E4RCKb+qM1Gzu96h7DQ==",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/start-server-and-test/-/start-server-and-test-2.0.3.tgz",
+      "integrity": "sha512-QsVObjfjFZKJE6CS6bSKNwWZCKBG6975/jKRPPGFfFh+yOQglSeGXiNWjzgQNXdphcBI9nXbyso9tPfX4YAUhg==",
       "dev": true,
       "dependencies": {
         "arg": "^5.0.2",
@@ -1126,7 +1135,7 @@
         "execa": "5.1.1",
         "lazy-ass": "1.6.0",
         "ps-tree": "1.2.0",
-        "wait-on": "7.0.1"
+        "wait-on": "7.2.0"
       },
       "bin": {
         "server-test": "src/bin/start.js",
@@ -1134,7 +1143,7 @@
         "start-test": "src/bin/start.js"
       },
       "engines": {
-        "node": ">=6"
+        "node": ">=16"
       }
     },
     "node_modules/start-server-and-test/node_modules/debug": {
@@ -1238,9 +1247,9 @@
       "dev": true
     },
     "node_modules/tslib": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.0.tgz",
-      "integrity": "sha512-7At1WUettjcSRHXCyYtTselblcHl9PJFFVKiCAy/bY97+BPZXSQ2wbq0P9s8tK2G7dFQfNnlJnPAiArVBVBsfA==",
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==",
       "dev": true
     },
     "node_modules/type-fest": {
@@ -1275,9 +1284,9 @@
       }
     },
     "node_modules/uri-js/node_modules/punycode": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.0.tgz",
-      "integrity": "sha512-rRV+zQD8tVFys26lAGR9WUuS4iUAngJScM+ZRSKtvl5tKeZ2t5bvdNFdNHBW9FWR4guGHlgmsZ1G7BSm2wTbuA==",
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
+      "integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==",
       "dev": true,
       "engines": {
         "node": ">=6"
@@ -1293,16 +1302,16 @@
       }
     },
     "node_modules/wait-on": {
-      "version": "7.0.1",
-      "resolved": "https://registry.npmjs.org/wait-on/-/wait-on-7.0.1.tgz",
-      "integrity": "sha512-9AnJE9qTjRQOlTZIldAaf/da2eW0eSRSgcqq85mXQja/DW3MriHxkpODDSUEg+Gri/rKEcXUZHe+cevvYItaog==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/wait-on/-/wait-on-7.2.0.tgz",
+      "integrity": "sha512-wCQcHkRazgjG5XoAq9jbTMLpNIjoSlZslrJ2+N9MxDsGEv1HnFoVjOCexL0ESva7Y9cu350j+DWADdk54s4AFQ==",
       "dev": true,
       "dependencies": {
-        "axios": "^0.27.2",
-        "joi": "^17.7.0",
+        "axios": "^1.6.1",
+        "joi": "^17.11.0",
         "lodash": "^4.17.21",
-        "minimist": "^1.2.7",
-        "rxjs": "^7.8.0"
+        "minimist": "^1.2.8",
+        "rxjs": "^7.8.1"
       },
       "bin": {
         "wait-on": "bin/wait-on"

example/package.json

@@ -6,8 +6,8 @@
     "test:html-w3c-validator": "start-server-and-test \"start\" \"http://127.0.0.1:3000\" \"html-w3c-validator\""
   },
   "devDependencies": {
-    "serve": "14.2.0",
-    "start-server-and-test": "2.0.0",
+    "serve": "14.2.1",
+    "start-server-and-test": "2.0.3",
     "html-w3c-validator": "file:.."
   }
 }

package.json

@@ -1,8 +1,9 @@
 {
   "name": "html-w3c-validator",
   "version": "0.0.0-development",
-  "public": true,
   "description": "CLI for validating multiple html pages using validator.w3.org.",
+  "public": true,
+  "types": "module",
   "type": "module",
   "author": "Théo LUDWIG <contact@theoludwig.fr>",
   "license": "MIT",
@@ -42,8 +43,8 @@
     "lint:commit": "commitlint",
     "lint:editorconfig": "editorconfig-checker",
     "lint:markdown": "markdownlint-cli2",
-    "lint:eslint": "eslint . --ignore-path .gitignore",
-    "lint:prettier": "prettier . --check --ignore-path .gitignore",
+    "lint:eslint": "eslint . --max-warnings 0 --report-unused-disable-directives --ignore-path .gitignore",
+    "lint:prettier": "prettier . --check",
     "lint:staged": "lint-staged",
     "test": "node --enable-source-maps --test build/",
     "release": "semantic-release"
@@ -52,39 +53,41 @@
     "chalk": "5.3.0",
     "clipanion": "3.2.1",
     "html-validator": "6.0.1",
-    "log-symbols": "5.1.0",
-    "ora": "6.3.1",
-    "read-pkg": "8.0.0",
+    "log-symbols": "6.0.0",
+    "ora": "8.0.1",
+    "read-pkg": "9.0.1",
     "table": "6.8.1"
   },
   "devDependencies": {
-    "@commitlint/cli": "17.6.6",
-    "@commitlint/config-conventional": "17.6.6",
-    "@swc/cli": "0.1.62",
-    "@swc/core": "1.3.67",
-    "@tsconfig/strictest": "2.0.1",
-    "@types/html-validator": "5.0.3",
-    "@types/mock-fs": "4.13.1",
-    "@types/node": "20.3.3",
-    "@types/tap": "15.0.8",
-    "@typescript-eslint/eslint-plugin": "5.60.1",
-    "editorconfig-checker": "5.1.1",
-    "eslint": "8.44.0",
-    "eslint-config-conventions": "9.0.0",
-    "eslint-config-prettier": "8.8.0",
-    "eslint-plugin-import": "2.27.5",
-    "eslint-plugin-prettier": "4.2.1",
+    "@commitlint/cli": "18.4.3",
+    "@commitlint/config-conventional": "18.4.3",
+    "@swc/cli": "0.1.63",
+    "@swc/core": "1.3.101",
+    "@tsconfig/strictest": "2.0.2",
+    "@types/html-validator": "5.0.6",
+    "@types/mock-fs": "4.13.4",
+    "@types/node": "20.10.5",
+    "@types/sinon": "17.0.2",
+    "@typescript-eslint/eslint-plugin": "6.16.0",
+    "@typescript-eslint/parser": "6.16.0",
+    "editorconfig-checker": "5.1.2",
+    "eslint": "8.56.0",
+    "eslint-config-conventions": "13.1.0",
+    "eslint-config-prettier": "9.1.0",
+    "eslint-plugin-import": "2.29.1",
+    "eslint-plugin-prettier": "5.1.2",
     "eslint-plugin-promise": "6.1.1",
-    "eslint-plugin-unicorn": "47.0.0",
-    "execa": "7.1.1",
-    "lint-staged": "13.2.3",
-    "markdownlint-cli2": "0.8.1",
-    "markdownlint-rule-relative-links": "2.1.0",
+    "eslint-plugin-unicorn": "50.0.1",
+    "execa": "8.0.1",
+    "lint-staged": "15.2.0",
+    "markdownlint-cli2": "0.11.0",
+    "markdownlint-rule-relative-links": "2.1.2",
     "mock-fs": "5.2.0",
-    "prettier": "2.8.8",
-    "rimraf": "5.0.1",
-    "semantic-release": "21.0.6",
-    "serve": "14.2.0",
-    "typescript": "5.0.4"
+    "prettier": "3.1.1",
+    "rimraf": "5.0.5",
+    "semantic-release": "22.0.12",
+    "serve": "14.2.1",
+    "sinon": "17.0.1",
+    "typescript": "5.3.3"
   }
 }

src/HTMLValidatorCommand.ts

@@ -1,25 +1,25 @@
-import path from 'node:path'
-import fs from 'node:fs'
+import path from "node:path"
+import fs from "node:fs"
 
-import { Command } from 'clipanion'
-import chalk from 'chalk'
-import ora from 'ora'
-import logSymbols from 'log-symbols'
+import { Command, Option } from "clipanion"
+import * as typanion from "typanion"
+import chalk from "chalk"
+import ora from "ora"
+import logSymbols from "log-symbols"
 import type {
   ValidationMessageLocationObject,
-  ParsedJsonAsValidationResults
-} from 'html-validator'
-import validateHTML from 'html-validator'
-import { table } from 'table'
+  ParsedJsonAsValidationResults,
+} from "html-validator"
+import validateHTML from "html-validator"
+import { table } from "table"
 
-import { isExistingPath } from './utils/isExistingPath.js'
+import { isExistingPath } from "./utils/isExistingPath.js"
 
-const CURRENT_DIRECTORY = process.cwd()
-const CONFIG_FILE_NAME = '.html-w3c-validatorrc.json'
+export const CONFIG_FILE_NAME = ".html-w3c-validatorrc.json"
 
-const severities = ['error', 'warning', 'info'] as const
+export const SEVERITIES = ["error", "warning", "info"] as const
 
-export type Severity = (typeof severities)[number]
+export type Severity = (typeof SEVERITIES)[number]
 
 interface Config {
   urls?: string[]
@@ -50,19 +50,28 @@ const printResults = (results: Result[]): void => {
 export class HTMLValidatorCommand extends Command {
   static override usage = {
     description:
-      'CLI for validating multiple html pages using <https://validator.w3.org/>.'
+      "CLI for validating multiple html pages using <https://validator.w3.org/>.",
   }
 
+  public currentWorkingDirectory = Option.String(
+    "--current-working-directory",
+    process.cwd(),
+    {
+      description: "The current working directory.",
+      validator: typanion.isString(),
+    },
+  )
+
   public async execute(): Promise<number> {
-    const configPath = path.join(CURRENT_DIRECTORY, CONFIG_FILE_NAME)
+    const configPath = path.join(this.currentWorkingDirectory, CONFIG_FILE_NAME)
     try {
       if (!(await isExistingPath(configPath))) {
         throw new Error(
-          `No config file found at ${configPath}. Please create "${CONFIG_FILE_NAME}".`
+          `No config file found at ${configPath}. Please create "${CONFIG_FILE_NAME}".`,
         )
       }
       const configData = await fs.promises.readFile(configPath, {
-        encoding: 'utf-8'
+        encoding: "utf-8",
       })
       let config: Config = { urls: [], files: [] }
       let isValidConfig = true
@@ -73,55 +82,52 @@ export class HTMLValidatorCommand extends Command {
       }
       if (!isValidConfig) {
         throw new Error(
-          `Invalid config file at "${configPath}". Please check the JSON syntax.`
+          `Invalid config file at "${configPath}". Please check the JSON syntax.`,
         )
       }
       if (config.urls != null && !Array.isArray(config.urls)) {
         throw new Error(
-          `Invalid config file at "${configPath}". Please include an array of URLs.`
+          `Invalid config file at "${configPath}". Please include an array of URLs.`,
         )
       }
       if (config.files != null && !Array.isArray(config.files)) {
         throw new Error(
-          `Invalid config file at "${configPath}". Please include an array of files.`
+          `Invalid config file at "${configPath}". Please include an array of files.`,
         )
       }
       const urls =
         config.urls == null
           ? []
           : config.urls.map((url) => {
-              return { type: 'url', data: url }
+              return { type: "url", data: url }
             })
       const files =
         config.files == null
           ? []
           : config.files.map((file) => {
-              return { type: 'file', data: file }
+              return { type: "file", data: file }
             })
       const dataToValidate = [...urls, ...files]
       if (dataToValidate.length === 0) {
         throw new Error(
-          `Invalid config file at "${configPath}". Please add URLs or files.`
+          `Invalid config file at "${configPath}". Please add URLs or files.`,
         )
       }
-      const configSeverities: Severity[] = config.severities ?? [
-        'warning',
-        'error'
-      ]
-      for (const severity of configSeverities) {
-        if (!severities.includes(severity)) {
+      const severities: Severity[] = config.severities ?? ["warning", "error"]
+      for (const severity of severities) {
+        if (!SEVERITIES.includes(severity)) {
           throw new Error(
-            `Invalid config file at "${configPath}". Please add valid severities (${severities.join(
-              ', '
-            )}).`
+            `Invalid config file at "${configPath}". Please add valid severities (${SEVERITIES.join(
+              ", ",
+            )}).`,
           )
         }
       }
-      if (configSeverities.length === 0) {
+      if (severities.length === 0) {
         throw new Error(
-          `Invalid config file at "${configPath}". Please add valid severities (${severities.join(
-            ', '
-          )}).`
+          `Invalid config file at "${configPath}". Please add valid severities (${SEVERITIES.join(
+            ", ",
+          )}).`,
         )
       }
       const errors: Error[] = []
@@ -132,36 +138,36 @@ export class HTMLValidatorCommand extends Command {
         dataToValidate.map(async ({ data, type }) => {
           try {
             const options = {
-              format: 'json' as 'json' | undefined
+              format: "json" as "json" | undefined,
             }
             let result: ParsedJsonAsValidationResults | undefined
-            if (type === 'url') {
+            if (type === "url") {
               result = await validateHTML({
                 url: data,
                 isLocal: true,
-                ...options
+                ...options,
               })
-            } else if (type === 'file') {
-              const htmlPath = path.resolve(CURRENT_DIRECTORY, data)
+            } else if (type === "file") {
+              const htmlPath = path.resolve(this.currentWorkingDirectory, data)
               if (!(await isExistingPath(htmlPath))) {
                 throw new Error(
-                  `No file found at "${htmlPath}". Please check the path.`
+                  `No file found at "${htmlPath}". Please check the path.`,
                 )
               }
               const html = await fs.promises.readFile(htmlPath, {
-                encoding: 'utf-8'
+                encoding: "utf-8",
               })
               result = await validateHTML({
                 data: html,
-                ...options
+                ...options,
               })
             } else {
-              throw new Error('Invalid type')
+              throw new Error("Invalid type")
             }
             const hasErrors = result.messages.some((message) => {
               return (
-                configSeverities.includes(message.type as Severity) ||
-                configSeverities.includes(message.subType as Severity)
+                severities.includes(message.type as Severity) ||
+                severities.includes(message.subType as Severity)
               )
             })
             if (!hasErrors) {
@@ -170,9 +176,16 @@ export class HTMLValidatorCommand extends Command {
               results.push({ data, isSuccess: false })
               const messagesTable: string[][] = []
               for (const message of result.messages) {
+                if (
+                  !severities.includes(message.type as Severity) &&
+                  !severities.includes(message.subType as Severity)
+                ) {
+                  continue
+                }
+
                 const row: string[] = []
-                if (message.type === 'info') {
-                  if (message.subType === 'warning') {
+                if (message.type === "info") {
+                  if (message.subType === "warning") {
                     row.push(chalk.yellow(message.subType))
                   } else {
                     row.push(chalk.blue(message.type))
@@ -184,7 +197,7 @@ export class HTMLValidatorCommand extends Command {
                 const violation = message as ValidationMessageLocationObject
                 if (violation.extract != null) {
                   row.push(
-                    `line: ${violation.lastLine}, column: ${violation.firstColumn}-${violation.lastColumn}`
+                    `line: ${violation.lastLine}, column: ${violation.firstColumn}-${violation.lastColumn}`,
                   )
                 }
                 messagesTable.push(row)
@@ -199,7 +212,7 @@ export class HTMLValidatorCommand extends Command {
               errors.push({ data, messagesTable })
             }
           }
-        })
+        }),
       )
       if (!isValid) {
         loader.fail()
@@ -207,22 +220,22 @@ export class HTMLValidatorCommand extends Command {
         for (const error of errors) {
           console.error(`\n${error.data}`)
           console.error(table(error.messagesTable))
-          console.error('------------------------------')
+          console.error("------------------------------")
         }
         console.error()
-        throw new Error('HTML validation (W3C) failed!')
+        throw new Error("HTML validation (W3C) failed!")
       }
       loader.succeed(
-        `${chalk.bold.green('Success:')} HTML validation (W3C) passed! 🎉`
+        `${chalk.bold.green("Success:")} HTML validation (W3C) passed! 🎉`,
       )
       printResults(results)
       return 0
     } catch (error) {
       if (error instanceof Error) {
-        console.error(`${chalk.bold.red('Error:')} ${error.message}`)
+        console.error(`${chalk.bold.red("Error:")} ${error.message}`)
       } else {
         console.error(
-          `${chalk.bold.red('Error:')} HTML validation (W3C) failed!`
+          `${chalk.bold.red("Error:")} HTML validation (W3C) failed!`,
         )
       }
       return 1

src/__test__/HTMLValidatorCommand.test.ts

@@ -1,23 +1,416 @@
-import test from 'node:test'
-import assert from 'node:assert/strict'
+import test from "node:test"
+import assert from "node:assert/strict"
+import path from "node:path"
+import { PassThrough } from "node:stream"
 
-import { execa } from 'execa'
+import sinon from "sinon"
+import { execa } from "execa"
+import { table } from "table"
+import chalk from "chalk"
+import logSymbols from "log-symbols"
 
-import { cli } from '../cli.js'
-import { HTMLValidatorCommand } from '../HTMLValidatorCommand.js'
+import { cli } from "../cli.js"
+import {
+  HTMLValidatorCommand,
+  CONFIG_FILE_NAME,
+  SEVERITIES,
+} from "../HTMLValidatorCommand.js"
 
-await test('html-w3c-validator', async (t) => {
-  await t.test('should be instance of the command', async () => {
+const FIXTURES_PATH = path.join(process.cwd(), "src", "__test__", "fixtures")
+
+await test("html-w3c-validator", async (t) => {
+  t.afterEach(() => {
+    sinon.restore()
+  })
+
+  await t.test("should be instance of the command", async () => {
     const command = cli.process([])
     assert(command instanceof HTMLValidatorCommand)
   })
 
-  await t.test('succeeds and validate the html correctly', async () => {
-    const exampleURL = new URL('../../example', import.meta.url)
-    process.chdir(exampleURL.pathname)
-    await execa('rimraf', ['node_modules'])
-    await execa('npm', ['install'])
-    const { exitCode } = await execa('npm', ['run', 'test:html-w3c-validator'])
-    assert.strictEqual(exitCode, 0)
+  await t.test(
+    "succeeds and validate the html correctly (example)",
+    async () => {
+      const exampleURL = new URL("../../example", import.meta.url)
+      process.chdir(exampleURL.pathname)
+      await execa("rimraf", ["node_modules"])
+      await execa("npm", ["install"])
+      const { exitCode } = await execa("npm", [
+        "run",
+        "test:html-w3c-validator",
+      ])
+      assert.strictEqual(exitCode, 0)
+    },
+  )
+
+  await t.test(
+    "succeeds and validate the html correctly (example without working directory)",
+    async () => {
+      const logs: string[] = []
+      sinon.stub(console, "log").value((log: string) => {
+        logs.push(log)
+      })
+      const consoleLogSpy = sinon.spy(console, "log")
+      const stream = new PassThrough()
+      const exitCode = await cli.run([], {
+        stdin: process.stdin,
+        stdout: stream,
+        stderr: stream,
+      })
+      stream.end()
+      assert.strictEqual(exitCode, 0)
+      assert.strictEqual(
+        consoleLogSpy.calledWith(
+          logSymbols.success,
+          "./example/build/index.html",
+        ),
+        true,
+        logs.join("\n"),
+      )
+      assert.strictEqual(
+        consoleLogSpy.calledWith(
+          logSymbols.success,
+          "./example/build/about.html",
+        ),
+        true,
+        logs.join("\n"),
+      )
+    },
+  )
+
+  await t.test(
+    "succeeds and validate the html correctly (fixture)",
+    async () => {
+      const workingDirectory = path.join(FIXTURES_PATH, "success")
+      const logs: string[] = []
+      sinon.stub(console, "log").value((log: string) => {
+        logs.push(log)
+      })
+      const consoleLogSpy = sinon.spy(console, "log")
+      const stream = new PassThrough()
+      const exitCode = await cli.run(
+        [`--current-working-directory=${workingDirectory}`],
+        {
+          stdin: process.stdin,
+          stdout: stream,
+          stderr: stream,
+        },
+      )
+      stream.end()
+      assert.strictEqual(exitCode, 0)
+      assert.strictEqual(
+        consoleLogSpy.calledWith(logSymbols.success, "./build/index.html"),
+        true,
+        logs.join("\n"),
+      )
+      assert.strictEqual(
+        consoleLogSpy.calledWith(logSymbols.success, "./build/about.html"),
+        true,
+        logs.join("\n"),
+      )
+    },
+  )
+
+  await t.test("fails with not found config", async () => {
+    const workingDirectory = path.join(FIXTURES_PATH, "error-config-not-found")
+    const configPath = path.join(workingDirectory, CONFIG_FILE_NAME)
+    const errors: string[] = []
+    sinon.stub(console, "error").value((error: string) => {
+      errors.push(error)
+    })
+    const consoleErrorSpy = sinon.spy(console, "error")
+    const stream = new PassThrough()
+    const exitCode = await cli.run(
+      [`--current-working-directory=${workingDirectory}`],
+      {
+        stdin: process.stdin,
+        stdout: stream,
+        stderr: stream,
+      },
+    )
+    stream.end()
+    assert.strictEqual(exitCode, 1)
+    assert.strictEqual(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red("Error:") +
+          ` No config file found at ${configPath}. Please create "${CONFIG_FILE_NAME}".`,
+      ),
+      true,
+      errors.join("\n"),
+    )
+  })
+
+  await t.test("fails with invalid JSON config", async () => {
+    const workingDirectory = path.join(
+      FIXTURES_PATH,
+      "error-config-invalid-json",
+    )
+    const configPath = path.join(workingDirectory, CONFIG_FILE_NAME)
+    const errors: string[] = []
+    sinon.stub(console, "error").value((error: string) => {
+      errors.push(error)
+    })
+    const consoleErrorSpy = sinon.spy(console, "error")
+    const stream = new PassThrough()
+    const exitCode = await cli.run(
+      [`--current-working-directory=${workingDirectory}`],
+      {
+        stdin: process.stdin,
+        stdout: stream,
+        stderr: stream,
+      },
+    )
+    stream.end()
+    assert.strictEqual(exitCode, 1)
+    assert.strictEqual(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red("Error:") +
+          ` Invalid config file at "${configPath}". Please check the JSON syntax.`,
+      ),
+      true,
+      errors.join("\n"),
+    )
+  })
+
+  await t.test("fails with invalid URLs config", async () => {
+    const workingDirectory = path.join(
+      FIXTURES_PATH,
+      "error-config-invalid-urls",
+    )
+    const configPath = path.join(workingDirectory, CONFIG_FILE_NAME)
+    const errors: string[] = []
+    sinon.stub(console, "error").value((error: string) => {
+      errors.push(error)
+    })
+    const consoleErrorSpy = sinon.spy(console, "error")
+    const stream = new PassThrough()
+    const exitCode = await cli.run(
+      [`--current-working-directory=${workingDirectory}`],
+      {
+        stdin: process.stdin,
+        stdout: stream,
+        stderr: stream,
+      },
+    )
+    stream.end()
+    assert.strictEqual(exitCode, 1)
+    assert.strictEqual(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red("Error:") +
+          ` Invalid config file at "${configPath}". Please include an array of URLs.`,
+      ),
+      true,
+      errors.join("\n"),
+    )
+  })
+
+  await t.test("fails with invalid files config", async () => {
+    const workingDirectory = path.join(
+      FIXTURES_PATH,
+      "error-config-invalid-files",
+    )
+    const configPath = path.join(workingDirectory, CONFIG_FILE_NAME)
+    const errors: string[] = []
+    sinon.stub(console, "error").value((error: string) => {
+      errors.push(error)
+    })
+    const consoleErrorSpy = sinon.spy(console, "error")
+    const stream = new PassThrough()
+    const exitCode = await cli.run(
+      [`--current-working-directory=${workingDirectory}`],
+      {
+        stdin: process.stdin,
+        stdout: stream,
+        stderr: stream,
+      },
+    )
+    stream.end()
+    assert.strictEqual(exitCode, 1)
+    assert.strictEqual(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red("Error:") +
+          ` Invalid config file at "${configPath}". Please include an array of files.`,
+      ),
+      true,
+      errors.join("\n"),
+    )
+  })
+
+  await t.test("fails with invalid files and urls config", async () => {
+    const workingDirectory = path.join(
+      FIXTURES_PATH,
+      "error-config-invalid-files-and-urls",
+    )
+    const configPath = path.join(workingDirectory, CONFIG_FILE_NAME)
+    const errors: string[] = []
+    sinon.stub(console, "error").value((error: string) => {
+      errors.push(error)
+    })
+    const consoleErrorSpy = sinon.spy(console, "error")
+    const stream = new PassThrough()
+    const exitCode = await cli.run(
+      [`--current-working-directory=${workingDirectory}`],
+      {
+        stdin: process.stdin,
+        stdout: stream,
+        stderr: stream,
+      },
+    )
+    stream.end()
+    assert.strictEqual(exitCode, 1)
+    assert.strictEqual(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red("Error:") +
+          ` Invalid config file at "${configPath}". Please add URLs or files.`,
+      ),
+      true,
+      errors.join("\n"),
+    )
+  })
+
+  await t.test("fails with invalid severities config", async () => {
+    const workingDirectory = path.join(
+      FIXTURES_PATH,
+      "error-config-invalid-severities",
+    )
+    const configPath = path.join(workingDirectory, CONFIG_FILE_NAME)
+    const errors: string[] = []
+    sinon.stub(console, "error").value((error: string) => {
+      errors.push(error)
+    })
+    const consoleErrorSpy = sinon.spy(console, "error")
+    const stream = new PassThrough()
+    const exitCode = await cli.run(
+      [`--current-working-directory=${workingDirectory}`],
+      {
+        stdin: process.stdin,
+        stdout: stream,
+        stderr: stream,
+      },
+    )
+    stream.end()
+    assert.strictEqual(exitCode, 1)
+    assert.strictEqual(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red("Error:") +
+          ` Invalid config file at "${configPath}". Please add valid severities (${SEVERITIES.join(
+            ", ",
+          )}).`,
+      ),
+      true,
+      errors.join("\n"),
+    )
+  })
+
+  await t.test("fails with invalid empty severities config", async () => {
+    const workingDirectory = path.join(
+      FIXTURES_PATH,
+      "error-config-invalid-severities-empty",
+    )
+    const configPath = path.join(workingDirectory, CONFIG_FILE_NAME)
+    const errors: string[] = []
+    sinon.stub(console, "error").value((error: string) => {
+      errors.push(error)
+    })
+    const consoleErrorSpy = sinon.spy(console, "error")
+    const stream = new PassThrough()
+    const exitCode = await cli.run(
+      [`--current-working-directory=${workingDirectory}`],
+      {
+        stdin: process.stdin,
+        stdout: stream,
+        stderr: stream,
+      },
+    )
+    stream.end()
+    assert.strictEqual(exitCode, 1)
+    assert.strictEqual(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red("Error:") +
+          ` Invalid config file at "${configPath}". Please add valid severities (${SEVERITIES.join(
+            ", ",
+          )}).`,
+      ),
+      true,
+      errors.join("\n"),
+    )
+  })
+
+  await t.test("fails with invalid files paths to check", async () => {
+    const workingDirectory = path.join(
+      FIXTURES_PATH,
+      "error-invalid-files-paths-to-check",
+    )
+    const htmlPath = path.resolve(workingDirectory, "index.html")
+    const errors: string[] = []
+    sinon.stub(console, "error").value((error: string) => {
+      errors.push(error)
+    })
+    const consoleErrorSpy = sinon.spy(console, "error")
+    const stream = new PassThrough()
+    const exitCode = await cli.run(
+      [`--current-working-directory=${workingDirectory}`],
+      {
+        stdin: process.stdin,
+        stdout: stream,
+        stderr: stream,
+      },
+    )
+    stream.end()
+    assert.strictEqual(exitCode, 1)
+    const messagesTable = [
+      [`No file found at "${htmlPath}". Please check the path.`],
+    ]
+    assert.strictEqual(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red("Error:") + " HTML validation (W3C) failed!",
+      ),
+      true,
+      errors.join("\n"),
+    )
+    assert.strictEqual(
+      consoleErrorSpy.calledWith(table(messagesTable)),
+      true,
+      errors.join("\n"),
+    )
+  })
+
+  await t.test("fails with invalid W3C HTML", async () => {
+    const workingDirectory = path.join(FIXTURES_PATH, "error-invalid-w3c-html")
+    const errors: string[] = []
+    sinon.stub(console, "error").value((error: string) => {
+      errors.push(error)
+    })
+    const consoleErrorSpy = sinon.spy(console, "error")
+    const stream = new PassThrough()
+    const exitCode = await cli.run(
+      [`--current-working-directory=${workingDirectory}`],
+      {
+        stdin: process.stdin,
+        stdout: stream,
+        stderr: stream,
+      },
+    )
+    stream.end()
+    assert.strictEqual(exitCode, 1)
+    const messagesTable = [
+      [
+        chalk.yellow("warning"),
+        "Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.",
+        "line: 2, column: 16-6",
+      ],
+    ]
+    assert.strictEqual(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red("Error:") + " HTML validation (W3C) failed!",
+      ),
+      true,
+      errors.join("\n"),
+    )
+    assert.strictEqual(
+      consoleErrorSpy.calledWith(table(messagesTable)),
+      true,
+      errors.join("\n"),
+    )
   })
 })

src/__test__/fixtures/error-config-invalid-files-and-urls/.html-w3c-validatorrc.json

@@ -0,0 +1,4 @@
+{
+  "urls": [],
+  "files": []
+}

src/__test__/fixtures/error-config-invalid-files/.html-w3c-validatorrc.json

@@ -0,0 +1,3 @@
+{
+  "files": "Invalid"
+}

src/__test__/fixtures/error-config-invalid-json/.html-w3c-validatorrc.json

@@ -0,0 +1 @@
+Invalid JSON

src/__test__/fixtures/error-config-invalid-severities-empty/.html-w3c-validatorrc.json

@@ -0,0 +1,4 @@
+{
+  "files": ["./index.html"],
+  "severities": []
+}

src/__test__/fixtures/error-config-invalid-severities-empty/index.html

@@ -0,0 +1,9 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Home</title>
+  </head>
+  <body></body>
+</html>

src/__test__/fixtures/error-config-invalid-severities/.html-w3c-validatorrc.json

@@ -0,0 +1,4 @@
+{
+  "files": ["./index.html"],
+  "severities": ["errors-invalid"]
+}

src/__test__/fixtures/error-config-invalid-severities/index.html

@@ -0,0 +1,9 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Home</title>
+  </head>
+  <body></body>
+</html>

src/__test__/fixtures/error-config-invalid-urls/.html-w3c-validatorrc.json

@@ -0,0 +1,3 @@
+{
+  "urls": "Invalid"
+}

src/__test__/fixtures/error-invalid-files-paths-to-check/.html-w3c-validatorrc.json

@@ -0,0 +1,3 @@
+{
+  "files": ["./index.html"]
+}

src/__test__/fixtures/error-invalid-w3c-html/.html-w3c-validatorrc.json

@@ -0,0 +1,3 @@
+{
+  "files": ["./build/index.html", "./build/about.html"]
+}

src/__test__/fixtures/error-invalid-w3c-html/build/about.html

@@ -0,0 +1,9 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>About</title>
+  </head>
+  <body></body>
+</html>

src/__test__/fixtures/error-invalid-w3c-html/build/index.html

@@ -0,0 +1,9 @@
+<!doctype html>
+<html>
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Home</title>
+  </head>
+  <body></body>
+</html>

src/__test__/fixtures/success/.html-w3c-validatorrc.json

@@ -0,0 +1,3 @@
+{
+  "files": ["./build/index.html", "./build/about.html"]
+}

src/__test__/fixtures/success/build/about.html

@@ -0,0 +1,9 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>About</title>
+  </head>
+  <body></body>
+</html>

src/__test__/fixtures/success/build/index.html

@@ -0,0 +1,9 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Home</title>
+  </head>
+  <body></body>
+</html>

src/cli.ts

@@ -1,12 +1,12 @@
-import { Builtins, Cli } from 'clipanion'
+import { Builtins, Cli } from "clipanion"
 
-import { HTMLValidatorCommand } from './HTMLValidatorCommand.js'
-import { packageJSON } from './packageJSON.js'
+import { HTMLValidatorCommand } from "./HTMLValidatorCommand.js"
+import { packageJSON } from "./packageJSON.js"
 
 export const cli = new Cli({
   binaryLabel: packageJSON.name,
   binaryName: packageJSON.name,
-  binaryVersion: packageJSON.version
+  binaryVersion: packageJSON.version,
 })
 cli.register(Builtins.HelpCommand)
 cli.register(Builtins.VersionCommand)

src/index.ts

@@ -1,7 +1,7 @@
 #!/usr/bin/env node
-import { Cli } from 'clipanion'
+import { Cli } from "clipanion"
 
-import { cli } from './cli.js'
+import { cli } from "./cli.js"
 
 const [, , ...arguments_] = process.argv
 

src/packageJSON.ts

@@ -1,5 +1,5 @@
-import { readPackage } from 'read-pkg'
+import { readPackage } from "read-pkg"
 
 export const packageJSON = await readPackage({
-  cwd: new URL('..', import.meta.url)
+  cwd: new URL("..", import.meta.url),
 })

src/utils/__test__/isExistingPath.test.ts

@@ -1,26 +1,26 @@
-import test from 'node:test'
-import assert from 'node:assert/strict'
+import test from "node:test"
+import assert from "node:assert/strict"
 
-import fsMock from 'mock-fs'
+import fsMock from "mock-fs"
 
-import { isExistingPath } from '../isExistingPath.js'
+import { isExistingPath } from "../isExistingPath.js"
 
-await test('utils/isExistingPath', async (t) => {
+await test("utils/isExistingPath", async (t) => {
   t.afterEach(() => {
     fsMock.restore()
   })
 
-  await t.test('should return true if the file exists', async () => {
+  await t.test("should return true if the file exists", async () => {
     fsMock({
-      '/file.txt': ''
+      "/file.txt": "",
     })
-    assert.strictEqual(await isExistingPath('/file.txt'), true)
+    assert.strictEqual(await isExistingPath("/file.txt"), true)
   })
 
   await t.test("should return false if the file doesn't exists", async () => {
     fsMock({
-      '/file.txt': ''
+      "/file.txt": "",
     })
-    assert.strictEqual(await isExistingPath('/randomfile.txt'), false)
+    assert.strictEqual(await isExistingPath("/randomfile.txt"), false)
   })
 })

src/utils/isExistingPath.ts

@@ -1,4 +1,4 @@
-import fs from 'node:fs'
+import fs from "node:fs"
 
 export const isExistingPath = async (path: string): Promise<boolean> => {
   try {

tsconfig.json

@@ -2,12 +2,13 @@
   "extends": "@tsconfig/strictest/tsconfig.json",
   "compilerOptions": {
     "target": "ESNext",
-    "module": "ESNext",
     "lib": ["ESNext"],
-    "moduleResolution": "node",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
     "outDir": "./build",
     "rootDir": "./src",
     "noEmit": true,
-    "exactOptionalPropertyTypes": false
+    "exactOptionalPropertyTypes": false,
+    "checkJs": false
   }
 }