fix: update dependencies to latest

fixes #4

.devcontainer/Dockerfile

@@ -1,2 +0,0 @@
-ARG VARIANT="16"
-FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:0-${VARIANT}

.devcontainer/devcontainer.json

@@ -1,15 +0,0 @@
-{
-  "name": "html-w3c-validator",
-  "dockerComposeFile": "./docker-compose.yml",
-  "service": "workspace",
-  "workspaceFolder": "/workspace",
-  "extensions": [
-    "editorconfig.editorconfig",
-    "esbenp.prettier-vscode",
-    "dbaeumer.vscode-eslint",
-    "davidanson.vscode-markdownlint",
-    "ms-azuretools.vscode-docker"
-  ],
-  "postAttachCommand": ["npm", "install"],
-  "remoteUser": "node"
-}

.devcontainer/docker-compose.yml

@@ -1,10 +0,0 @@
-version: '3.0'
-
-services:
-  workspace:
-    build:
-      context: './'
-      dockerfile: './Dockerfile'
-    volumes:
-      - '..:/workspace:cached'
-    command: 'sleep infinity'

.eslintrc.json

@@ -5,12 +5,12 @@
     "project": "./tsconfig.json"
   },
   "env": {
-    "node": true,
+    "node": true
-    "jest": true
   },
   "rules": {
     "prettier/prettier": "error",
     "import/extensions": ["error", "always"],
-    "unicorn/prevent-abbreviations": "error"
+    "unicorn/prevent-abbreviations": "error",
+    "unicorn/prefer-node-protocol": "error"
   }
 }

.github/ISSUE_TEMPLATE/BUG.md

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

.github/ISSUE_TEMPLATE/DOCUMENTATION.md

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

.github/ISSUE_TEMPLATE/IMPROVEMENT.md

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

.github/ISSUE_TEMPLATE/QUESTION.md

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

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,6 +1,6 @@
 <!-- Please first discuss the change you wish to make via issue before making a change. It might avoid a waste of your time. -->
 
-## What changes this PR introduce?
+# What changes this PR introduce?
 
 ## List any relevant issue numbers
 

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: 'Build'
+name: "Build"
 
 on:
   push:
@@ -8,18 +8,20 @@ on:
 
 jobs:
   build:
-    runs-on: 'ubuntu-latest'
+    runs-on: "ubuntu-latest"
     steps:
-      - uses: 'actions/checkout@v2'
+      - uses: "actions/checkout@v4.1.1"
 
-      - name: 'Use Node.js'
+      - name: "Setup Node.js"
-        uses: 'actions/setup-node@v2.5.1'
+        uses: "actions/setup-node@v4.0.1"
         with:
-          node-version: 'lts/*'
+          node-version: "lts/*"
-          cache: 'npm'
+          cache: "npm"
 
-      - name: 'Install'
+      - name: "Install dependencies"
-        run: 'npm install'
+        run: "npm clean-install"
 
-      - name: 'Build'
+      - name: "Build"
-        run: 'npm run build'
+        run: "npm run build"
+
+      - 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@v2'
+      - uses: "actions/checkout@v4.1.1"
 
-      - name: 'Use Node.js'
+      - name: "Setup Node.js"
-        uses: 'actions/setup-node@v2.5.1'
+        uses: "actions/setup-node@v4.0.1"
         with:
-          node-version: 'lts/*'
+          node-version: "lts/*"
-          cache: 'npm'
+          cache: "npm"
 
-      - name: 'Install'
+      - name: "Install dependencies"
-        run: 'npm install'
+        run: "npm clean-install"
 
       - run: 'npm run lint:commit -- --to "${{ github.sha }}"'
-      - run: 'npm run lint:editorconfig'
+      - run: "npm run lint:editorconfig"
-      - run: 'npm run lint:markdown'
+      - run: "npm run lint:markdown"
-      - run: 'npm run lint:typescript'
+      - run: "npm run lint:eslint"
-      - run: 'npm run lint:prettier'
+      - run: "npm run lint:prettier"

.github/workflows/release.yml

@@ -1,4 +1,4 @@
-name: 'Release'
+name: "Release"
 
 on:
   push:
@@ -6,27 +6,37 @@ on:
 
 jobs:
   release:
-    runs-on: 'ubuntu-latest'
+    runs-on: "ubuntu-latest"
+    permissions:
+      contents: "write"
+      issues: "write"
+      pull-requests: "write"
+      id-token: "write"
     steps:
-      - uses: 'actions/checkout@v2.3.4'
+      - uses: "actions/checkout@v4.1.1"
         with:
           fetch-depth: 0
           persist-credentials: false
 
-      - name: 'Use Node.js'
+      - name: "Setup Node.js"
-        uses: 'actions/setup-node@v2.5.1'
+        uses: "actions/setup-node@v4.0.1"
         with:
-          node-version: 'lts/*'
+          node-version: "lts/*"
-          cache: 'npm'
+          cache: "npm"
 
-      - name: 'Install'
+      - name: "Install dependencies"
-        run: 'npm install'
+        run: "npm clean-install"
 
-      - name: 'Build'
+      - name: "Build"
-        run: 'npm run build'
+        run: "npm run build"
 
-      - name: 'Release'
+      - run: "npm run build:typescript"
-        run: 'npm run release'
+
+      - name: "Verify the integrity of provenance attestations and registry signatures for installed dependencies"
+        run: "npm audit signatures"
+
+      - 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@v2'
+      - uses: "actions/checkout@v4.1.1"
 
-      - name: 'Use Node.js'
+      - name: "Setup Node.js"
-        uses: 'actions/setup-node@v2.5.1'
+        uses: "actions/setup-node@v4.0.1"
         with:
-          node-version: 'lts/*'
+          node-version: "lts/*"
-          cache: 'npm'
+          cache: "npm"
 
-      - name: 'Install'
+      - name: "Install dependencies"
-        run: 'npm install'
+        run: "npm clean-install"
 
-      - name: 'Build'
+      - name: "Build"
-        run: 'npm run build'
+        run: "npm run build"
 
-      - name: 'Test'
+      - name: "Test"
-        run: 'npm run test'
+        run: "npm run test"

.gitignore

@@ -8,6 +8,7 @@ node_modules
 
 # testing
 coverage
+.nyc_output
 
 # envs
 .env

.html-w3c-validatorrc.json

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

.husky/commit-msg

@@ -1,4 +0,0 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
-npm run lint:commit -- --edit

.husky/pre-commit

@@ -1,5 +0,0 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
-npm run lint:staged
-npm run build

.lintstagedrc.json

@@ -1,10 +1,6 @@
 {
   "*": ["editorconfig-checker"],
-  "*.{js,ts,jsx,tsx}": [
+  "*.{js,ts,jsx,tsx}": ["prettier --write", "eslint --fix"],
-    "prettier --write",
-    "eslint --fix",
-    "jest --findRelatedTests"
-  ],
   "*.{yml,json}": ["prettier --write"],
   "*.md": ["prettier --write", "markdownlint --dot --fix"]
 }

.markdownlint-cli2.jsonc

@@ -0,0 +1,11 @@
+{
+  "config": {
+    "extends": "markdownlint/style/prettier",
+    "relative-links": true,
+    "default": true,
+    "MD033": false
+  },
+  "globs": ["**/*.{md,mdx}"],
+  "ignores": ["**/node_modules"],
+  "customRules": ["markdownlint-rule-relative-links"]
+}

.markdownlint.json

@@ -1,6 +0,0 @@
-{
-  "default": true,
-  "MD013": false,
-  "MD033": false,
-  "MD041": false
-}

.npmrc

@@ -1 +1,2 @@
 save-exact=true
+provenance=true

.prettierignore

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

.prettierrc.json

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

.swcrc

@@ -1,22 +1,13 @@
 {
+  "sourceMaps": true,
   "jsc": {
     "parser": {
       "syntax": "typescript",
-      "decorators": true,
       "dynamicImport": true
     },
-    "transform": {
+    "target": "esnext"
-      "legacyDecorator": true,
-      "decoratorMetadata": true
-    },
-    "target": "es2022",
-    "loose": true
   },
   "module": {
-    "type": "commonjs",
+    "type": "es6"
-    "strict": false,
-    "strictMode": true,
-    "lazy": false,
-    "noInterop": false
   }
 }

.vscode/extensions.json

@@ -3,7 +3,6 @@
     "editorconfig.editorconfig",
     "esbenp.prettier-vscode",
     "dbaeumer.vscode-eslint",
-    "davidanson.vscode-markdownlint",
+    "davidanson.vscode-markdownlint"
-    "ms-azuretools.vscode-docker"
   ]
 }

.vscode/settings.json

@@ -5,6 +5,10 @@
   "prettier.configPath": ".prettierrc.json",
   "editor.formatOnSave": true,
   "editor.codeActionsOnSave": {
-    "source.fixAll": true
+    "source.fixAll": "explicit"
-  }
+  },
+  "eslint.options": {
+    "ignorePath": ".gitignore"
+  },
+  "prettier.ignorePath": ".gitignore"
 }

CODE_OF_CONDUCT.md

@@ -60,7 +60,7 @@ representative at an online or offline event.
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
 reported to the community leaders responsible for enforcement at
-contact@divlo.fr.
+<contact@theoludwig.fr>.
 All complaints will be reviewed and investigated promptly and fairly.
 
 All community leaders are obligated to respect the privacy and security of the

CONTRIBUTING.md

@@ -2,6 +2,14 @@
 
 Thanks a lot for your interest in contributing to **html-w3c-validator**! 🎉
 
+## Code of Conduct
+
+**html-w3c-validator** adopted the [Contributor Covenant](https://www.contributor-covenant.org/) as its Code of Conduct, and we expect project participants to adhere to it. Please read [the full text](./CODE_OF_CONDUCT.md) so that you can understand what actions will and will not be tolerated.
+
+## Open Development
+
+All work on **html-w3c-validator** happens directly on this repository. Both core team members and external contributors send pull requests which go through the same review process.
+
 ## Types of contributions
 
 - Reporting a bug.
@@ -11,7 +19,7 @@ Thanks a lot for your interest in contributing to **html-w3c-validator**! 🎉
 
 ## Pull Requests
 
-- **Please first discuss** the change you wish to make via [issue](https://github.com/Divlo/html-w3c-validator/issues) before making a change. It might avoid a waste of your time.
+- **Please first discuss** the change you wish to make via [issue](https://github.com/theoludwig/html-w3c-validator/issues) before making a change. It might avoid a waste of your time.
 
 - Ensure your code respect linting.
 
@@ -21,26 +29,4 @@ If you're adding new features to **html-w3c-validator**, please include tests.
 
 ## Commits
 
-The commit message guidelines respect [@commitlint/config-conventional](https://github.com/conventional-changelog/commitlint/tree/master/%40commitlint/config-conventional) and [Semantic Versioning](https://semver.org/) for releases.
+The commit message guidelines adheres to [Conventional Commits](https://www.conventionalcommits.org/) and [Semantic Versioning](https://semver.org/) for releases.
-
-### Types
-
-Types define which kind of changes you made to the project.
-
-| Types    | Description                                                                                                  |
-| -------- | ------------------------------------------------------------------------------------------------------------ |
-| feat     | A new feature.                                                                                               |
-| fix      | A bug fix.                                                                                                   |
-| docs     | Documentation only changes.                                                                                  |
-| style    | Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc).      |
-| refactor | A code change that neither fixes a bug nor adds a feature.                                                   |
-| perf     | A code change that improves performance.                                                                     |
-| test     | Adding missing tests or correcting existing tests.                                                           |
-| build    | Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm).         |
-| ci       | Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs). |
-| chore    | Other changes that don't modify src or test files.                                                           |
-| revert   | Reverts a previous commit.                                                                                   |
-
-### Scopes
-
-Scopes define what part of the code changed.

LICENSE

@@ -1,6 +1,6 @@
-MIT License
+# MIT License
 
-Copyright (c) Divlo
+Copyright (c) Théo LUDWIG
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

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/Divlo/html-w3c-validator/actions/workflows/build.yml"><img src="https://github.com/Divlo/html-w3c-validator/actions/workflows/build.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/Divlo/html-w3c-validator/actions/workflows/lint.yml"><img src="https://github.com/Divlo/html-w3c-validator/actions/workflows/lint.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" alt="Lint" /></a>
-  <a href="https://github.com/Divlo/html-w3c-validator/actions/workflows/test.yml"><img src="https://github.com/Divlo/html-w3c-validator/actions/workflows/test.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" 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>
@@ -59,7 +59,7 @@ npm install --save-dev html-w3c-validator start-server-and-test
     "start": "serve \"./build\"",
 
     // Command to validate your HTML pages
-    "test:html-w3c-validator": "start-server-and-test \"start\" \"http://localhost:3000\" \"html-w3c-validator\""
+    "test:html-w3c-validator": "start-server-and-test \"start\" \"http://127.0.0.1:3000\" \"html-w3c-validator\""
   }
 }
 ```
@@ -68,10 +68,13 @@ npm install --save-dev html-w3c-validator start-server-and-test
 
 ```jsonc
 {
-  "urls": ["http://localhost:3000/", "http://localhost:3000/about"],
+  "urls": ["http://127.0.0.1:3000/", "http://127.0.0.1:3000/about"],
 
   // You can also specify HTML files instead of URLs
-  "files": ["./index.html", "./about.html"]
+  "files": ["./index.html", "./about.html"],
+
+  // Specify the severities of the validator (default: ["warning", "error"])
+  "severities": ["info", "warning", "error"]
 }
 ```
 
@@ -84,8 +87,8 @@ npm run test:html-w3c-validator
 Example of output (in case of success):
 
 ```txt
-✔ Validating http://localhost:3000/
+✔ Validating http://127.0.0.1:3000/
-✔ Validating http://localhost:3000/about
+✔ Validating http://127.0.0.1:3000/about
 
 Success: HTML validation (W3C) passed! 🎉
 ```

example/.html-w3c-validatorrc.json

@@ -1,4 +1,4 @@
 {
-  "urls": ["http://localhost:3000/", "http://localhost:3000/about"],
+  "urls": ["http://127.0.0.1:3000/", "http://127.0.0.1:3000/about"],
   "files": ["./build/index.html", "./build/about.html"]
 }

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.json

@@ -2,12 +2,12 @@
   "name": "example",
   "private": true,
   "scripts": {
-    "start": "serve \"./build\"",
+    "start": "serve ./build",
-    "test:html-w3c-validator": "start-server-and-test \"start\" \"http://localhost:3000\" \"html-w3c-validator\""
+    "test:html-w3c-validator": "start-server-and-test \"start\" \"http://127.0.0.1:3000\" \"html-w3c-validator\""
   },
   "devDependencies": {
-    "serve": "13.0.2",
+    "serve": "14.2.1",
-    "start-server-and-test": "1.14.0",
+    "start-server-and-test": "2.0.3",
     "html-w3c-validator": "file:.."
   }
 }

jest.config.json

@@ -1,9 +0,0 @@
-{
-  "testEnvironment": "node",
-  "resolver": "jest-ts-webcompat-resolver",
-  "transform": {
-    "^.+\\.(t|j)sx?$": ["@swc/jest"]
-  },
-  "rootDir": "./src",
-  "setupFiles": ["<rootDir>/__test__/setup.ts"]
-}

package.json

@@ -1,18 +1,20 @@
 {
   "name": "html-w3c-validator",
   "version": "0.0.0-development",
-  "public": true,
   "description": "CLI for validating multiple html pages using validator.w3.org.",
-  "author": "Divlo <contact@divlo.fr>",
+  "public": true,
+  "types": "module",
+  "type": "module",
+  "author": "Théo LUDWIG <contact@theoludwig.fr>",
   "license": "MIT",
   "repository": {
     "type": "git",
-    "url": "https://github.com/Divlo/html-w3c-validator.git"
+    "url": "https://github.com/theoludwig/html-w3c-validator.git"
   },
   "bugs": {
-    "url": "https://github.com/Divlo/html-w3c-validator/issues"
+    "url": "https://github.com/theoludwig/html-w3c-validator/issues"
   },
-  "homepage": "https://github.com/Divlo/html-w3c-validator#readme",
+  "homepage": "https://github.com/theoludwig/html-w3c-validator#readme",
   "keywords": [
     "cli",
     "html-validator",
@@ -21,67 +23,71 @@
   ],
   "main": "build/index.js",
   "bin": "build/index.js",
+  "files": [
+    "build",
+    "!**/*.test.js",
+    "!**/*.map"
+  ],
+  "publishConfig": {
+    "access": "public",
+    "provenance": true
+  },
   "engines": {
     "node": ">=16.0.0",
-    "npm": ">=8.0.0"
+    "npm": ">=9.0.0"
   },
-  "files": [
-    "build"
-  ],
   "scripts": {
-    "build": "rimraf ./build && swc ./src --out-dir ./build && tsc",
+    "build": "rimraf ./build && swc ./src --out-dir ./build",
+    "build:typescript": "tsc",
+    "start": "node --enable-source-maps build/index.js",
     "lint:commit": "commitlint",
     "lint:editorconfig": "editorconfig-checker",
-    "lint:markdown": "markdownlint \"**/*.md\" --dot --ignore-path \".gitignore\"",
+    "lint:markdown": "markdownlint-cli2",
-    "lint:typescript": "eslint \"**/*.{js,jsx,ts,tsx}\" --ignore-path \".gitignore\"",
+    "lint:eslint": "eslint . --max-warnings 0 --report-unused-disable-directives --ignore-path .gitignore",
-    "lint:prettier": "prettier \".\" --check --ignore-path \".gitignore\"",
+    "lint:prettier": "prettier . --check",
     "lint:staged": "lint-staged",
-    "test": "jest",
+    "test": "node --enable-source-maps --test build/",
-    "release": "semantic-release",
+    "release": "semantic-release"
-    "postinstall": "husky install",
-    "prepublishOnly": "pinst --disable",
-    "postpublish": "pinst --enable"
   },
   "dependencies": {
-    "chalk": "4.1.2",
+    "chalk": "5.3.0",
-    "clipanion": "3.1.0",
+    "clipanion": "3.2.1",
-    "html-validator": "6.0.0",
+    "html-validator": "6.0.1",
-    "ora": "5.4.1",
+    "log-symbols": "6.0.0",
-    "read-pkg": "5.2.0",
+    "ora": "8.0.1",
-    "table": "6.8.0"
+    "read-pkg": "9.0.1",
+    "table": "6.8.1"
   },
   "devDependencies": {
-    "@commitlint/cli": "16.2.1",
+    "@commitlint/cli": "18.4.3",
-    "@commitlint/config-conventional": "16.2.1",
+    "@commitlint/config-conventional": "18.4.3",
-    "@swc/cli": "0.1.55",
+    "@swc/cli": "0.1.63",
-    "@swc/core": "1.2.144",
+    "@swc/core": "1.3.101",
-    "@swc/jest": "0.2.17",
+    "@tsconfig/strictest": "2.0.2",
-    "@types/html-validator": "5.0.2",
+    "@types/html-validator": "5.0.6",
-    "@types/jest": "27.4.1",
+    "@types/mock-fs": "4.13.4",
-    "@types/mock-fs": "4.13.1",
+    "@types/node": "20.10.5",
-    "@types/node": "17.0.21",
+    "@types/sinon": "17.0.2",
-    "@typescript-eslint/eslint-plugin": "5.12.1",
+    "@typescript-eslint/eslint-plugin": "6.16.0",
-    "editorconfig-checker": "4.0.2",
+    "@typescript-eslint/parser": "6.16.0",
-    "eslint": "8.9.0",
+    "editorconfig-checker": "5.1.2",
-    "eslint-config-conventions": "1.1.0",
+    "eslint": "8.56.0",
-    "eslint-config-prettier": "8.4.0",
+    "eslint-config-conventions": "13.1.0",
-    "eslint-plugin-import": "2.25.4",
+    "eslint-config-prettier": "9.1.0",
-    "eslint-plugin-prettier": "4.0.0",
+    "eslint-plugin-import": "2.29.1",
-    "eslint-plugin-promise": "6.0.0",
+    "eslint-plugin-prettier": "5.1.2",
-    "eslint-plugin-unicorn": "41.0.0",
+    "eslint-plugin-promise": "6.1.1",
-    "execa": "5.1.1",
+    "eslint-plugin-unicorn": "50.0.1",
-    "husky": "7.0.4",
+    "execa": "8.0.1",
-    "jest": "27.5.1",
+    "lint-staged": "15.2.0",
-    "jest-mock-extended": "2.0.4",
+    "markdownlint-cli2": "0.11.0",
-    "jest-ts-webcompat-resolver": "1.0.0",
+    "markdownlint-rule-relative-links": "2.1.2",
-    "lint-staged": "12.3.4",
+    "mock-fs": "5.2.0",
-    "markdownlint-cli": "0.31.1",
+    "prettier": "3.1.1",
-    "mock-fs": "5.1.2",
+    "rimraf": "5.0.5",
-    "pinst": "3.0.0",
+    "semantic-release": "22.0.12",
-    "prettier": "2.5.1",
+    "serve": "14.2.1",
-    "rimraf": "3.0.2",
+    "sinon": "17.0.1",
-    "semantic-release": "19.0.2",
+    "typescript": "5.3.3"
-    "serve": "13.0.2",
-    "typescript": "4.5.5"
   }
 }

src/HTMLValidatorCommand.ts

@@ -1,23 +1,30 @@
-import path from 'node:path'
+import path from "node:path"
-import fs from 'node:fs'
+import fs from "node:fs"
 
-import { Command } from 'clipanion'
+import { Command, Option } from "clipanion"
-import chalk from 'chalk'
+import * as typanion from "typanion"
-import ora from 'ora'
+import chalk from "chalk"
-import validateHTML, {
+import ora from "ora"
+import logSymbols from "log-symbols"
+import type {
   ValidationMessageLocationObject,
-  ParsedJsonAsValidationResults
+  ParsedJsonAsValidationResults,
-} from 'html-validator'
+} from "html-validator"
-import { table } from 'table'
+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()
+export const CONFIG_FILE_NAME = ".html-w3c-validatorrc.json"
-const CONFIG_FILE_NAME = '.html-w3c-validatorrc.json'
+
+export const SEVERITIES = ["error", "warning", "info"] as const
+
+export type Severity = (typeof SEVERITIES)[number]
 
 interface Config {
   urls?: string[]
   files?: string[]
+  severities?: Severity[]
 }
 
 interface Error {
@@ -25,23 +32,46 @@ interface Error {
   messagesTable: string[][]
 }
 
+interface Result {
+  data: string
+  isSuccess: boolean
+}
+
+const printResults = (results: Result[]): void => {
+  for (const result of results) {
+    if (result.isSuccess) {
+      console.log(logSymbols.success, result.data)
+    } else {
+      console.log(logSymbols.error, result.data)
+    }
+  }
+}
+
 export class HTMLValidatorCommand extends Command {
-  static usage = {
+  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/>.",
   }
 
-  async execute(): Promise<number> {
+  public currentWorkingDirectory = Option.String(
-    const configPath = path.join(CURRENT_DIRECTORY, CONFIG_FILE_NAME)
+    "--current-working-directory",
+    process.cwd(),
+    {
+      description: "The current working directory.",
+      validator: typanion.isString(),
+    },
+  )
+
+  public async execute(): Promise<number> {
+    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
@@ -50,114 +80,162 @@ export class HTMLValidatorCommand extends Command {
       } catch {
         isValidConfig = false
       }
-      isValidConfig =
-        isValidConfig &&
-        (Array.isArray(config.urls) || Array.isArray(config.urls))
       if (!isValidConfig) {
         throw new Error(
-          `Invalid config file at ${configPath}. Please check the syntax.`
+          `Invalid config file at "${configPath}". Please check the JSON syntax.`,
+        )
+      }
+      if (config.urls != null && !Array.isArray(config.urls)) {
+        throw new Error(
+          `Invalid config file at "${configPath}". Please include an array of URLs.`,
+        )
+      }
+      if (config.files != null && !Array.isArray(config.files)) {
+        throw new Error(
+          `Invalid config file at "${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]
-      const errors: Error[] = []
+      if (dataToValidate.length === 0) {
-      let isValid = true
+        throw new Error(
-      for (const { data, type } of dataToValidate) {
+          `Invalid config file at "${configPath}". Please add URLs or files.`,
-        const loader = ora(`Validating ${data}`).start()
+        )
-        try {
+      }
-          const options = {
+      const severities: Severity[] = config.severities ?? ["warning", "error"]
-            format: 'json' as 'json' | undefined
+      for (const severity of severities) {
-          }
+        if (!SEVERITIES.includes(severity)) {
-          let result: ParsedJsonAsValidationResults | undefined
+          throw new Error(
-          if (type === 'url') {
+            `Invalid config file at "${configPath}". Please add valid severities (${SEVERITIES.join(
-            result = await validateHTML({
+              ", ",
-              url: data,
+            )}).`,
-              isLocal: true,
+          )
-              ...options
-            })
-          } else if (type === 'file') {
-            const htmlPath = path.resolve(CURRENT_DIRECTORY, data)
-            if (!(await isExistingPath(htmlPath))) {
-              throw new Error(
-                `No file found at ${htmlPath}. Please check the path.`
-              )
-            }
-            const html = await fs.promises.readFile(htmlPath, {
-              encoding: 'utf-8'
-            })
-            result = await validateHTML({
-              data: html,
-              ...options
-            })
-          } else {
-            throw new Error('Invalid type')
-          }
-          const isValidHTML = result.messages.length === 0
-          if (isValidHTML) {
-            loader.succeed()
-          } else {
-            loader.fail()
-            const messagesTable: string[][] = []
-            for (const message of result.messages) {
-              const row: string[] = []
-              if (message.type === 'error') {
-                row.push(chalk.red(message.type))
-              } else {
-                row.push(chalk.yellow(message.type))
-              }
-              row.push(message.message)
-              const violation = message as ValidationMessageLocationObject
-              if (violation.extract != null) {
-                row.push(
-                  `line: ${violation.lastLine}, column: ${violation.firstColumn}-${violation.lastColumn}`
-                )
-              }
-              messagesTable.push(row)
-            }
-            errors.push({ data, messagesTable })
-            isValid = false
-          }
-        } catch (error) {
-          loader.fail()
-          isValid = false
-          if (error instanceof Error) {
-            const messagesTable: string[][] = [[error.message]]
-            errors.push({ data, messagesTable })
-          }
         }
       }
+      if (severities.length === 0) {
+        throw new Error(
+          `Invalid config file at "${configPath}". Please add valid severities (${SEVERITIES.join(
+            ", ",
+          )}).`,
+        )
+      }
+      const errors: Error[] = []
+      let isValid = true
+      const loader = ora(`Validating HTML (W3C)...`).start()
+      const results: Result[] = []
+      await Promise.all(
+        dataToValidate.map(async ({ data, type }) => {
+          try {
+            const options = {
+              format: "json" as "json" | undefined,
+            }
+            let result: ParsedJsonAsValidationResults | undefined
+            if (type === "url") {
+              result = await validateHTML({
+                url: data,
+                isLocal: true,
+                ...options,
+              })
+            } 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.`,
+                )
+              }
+              const html = await fs.promises.readFile(htmlPath, {
+                encoding: "utf-8",
+              })
+              result = await validateHTML({
+                data: html,
+                ...options,
+              })
+            } else {
+              throw new Error("Invalid type")
+            }
+            const hasErrors = result.messages.some((message) => {
+              return (
+                severities.includes(message.type as Severity) ||
+                severities.includes(message.subType as Severity)
+              )
+            })
+            if (!hasErrors) {
+              results.push({ data, isSuccess: true })
+            } else {
+              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") {
+                    row.push(chalk.yellow(message.subType))
+                  } else {
+                    row.push(chalk.blue(message.type))
+                  }
+                } else {
+                  row.push(chalk.red(message.type))
+                }
+                row.push(message.message)
+                const violation = message as ValidationMessageLocationObject
+                if (violation.extract != null) {
+                  row.push(
+                    `line: ${violation.lastLine}, column: ${violation.firstColumn}-${violation.lastColumn}`,
+                  )
+                }
+                messagesTable.push(row)
+              }
+              errors.push({ data, messagesTable })
+              isValid = false
+            }
+          } catch (error) {
+            isValid = false
+            if (error instanceof Error) {
+              const messagesTable: string[][] = [[error.message]]
+              errors.push({ data, messagesTable })
+            }
+          }
+        }),
+      )
       if (!isValid) {
+        loader.fail()
+        printResults(results)
         for (const error of errors) {
           console.error(`\n${error.data}`)
           console.error(table(error.messagesTable))
-          console.error('------------------------------')
+          console.error("------------------------------")
         }
         console.error()
-        throw new Error('HTML validation (W3C) failed!')
+        throw new Error("HTML validation (W3C) failed!")
       }
-      console.log()
+      loader.succeed(
-      console.log(
+        `${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

@@ -1,26 +1,416 @@
-import path from 'node:path'
+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 { cli } from "../cli.js"
-import { HTMLValidatorCommand } from '../HTMLValidatorCommand.js'
+import {
+  HTMLValidatorCommand,
+  CONFIG_FILE_NAME,
+  SEVERITIES,
+} from "../HTMLValidatorCommand.js"
 
-describe('html-w3c-validator', () => {
+const FIXTURES_PATH = path.join(process.cwd(), "src", "__test__", "fixtures")
-  afterEach(() => {
+
-    jest.clearAllMocks()
+await test("html-w3c-validator", async (t) => {
+  t.afterEach(() => {
+    sinon.restore()
   })
 
-  it('should be instance of the command', () => {
+  await t.test("should be instance of the command", async () => {
     const command = cli.process([])
-    expect(command).toBeInstanceOf(HTMLValidatorCommand)
+    assert(command instanceof HTMLValidatorCommand)
   })
 
-  it('succeeds and validate the html correctly', async () => {
+  await t.test(
-    const examplePath = path.join(__dirname, '..', '..', 'example')
+    "succeeds and validate the html correctly (example)",
-    process.chdir(examplePath)
+    async () => {
-    await execa('rimraf', ['node_modules'])
+      const exampleURL = new URL("../../example", import.meta.url)
-    await execa('npm', ['install'])
+      process.chdir(exampleURL.pathname)
-    const { exitCode } = await execa('npm', ['run', 'test:html-w3c-validator'])
+      await execa("rimraf", ["node_modules"])
-    expect(exitCode).toEqual(0)
+      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/__test__/setup.ts

@@ -1 +0,0 @@
-jest.setTimeout(60000)

src/cli.ts

@@ -1,16 +1,12 @@
-import path from 'node:path'
+import { Builtins, Cli } from "clipanion"
 
-import { Builtins, Cli } from 'clipanion'
+import { HTMLValidatorCommand } from "./HTMLValidatorCommand.js"
-import readPackage from 'read-pkg'
+import { packageJSON } from "./packageJSON.js"
-
-import { HTMLValidatorCommand } from './HTMLValidatorCommand.js'
-
-const packageJSON = readPackage.sync({ cwd: path.join(__dirname, '..') })
 
 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

@@ -1,12 +1,8 @@
 #!/usr/bin/env node
-import chalk from 'chalk'
+import { Cli } from "clipanion"
-import { Cli } from 'clipanion'
 
-import { cli } from './cli.js'
+import { cli } from "./cli.js"
 
 const [, , ...arguments_] = process.argv
 
-cli.runExit(arguments_, Cli.defaultContext).catch(() => {
+await cli.runExit(arguments_, Cli.defaultContext)
-  console.error(chalk.red('Error occurred...'))
-  process.exit(1)
-})

src/packageJSON.ts

@@ -0,0 +1,5 @@
+import { readPackage } from "read-pkg"
+
+export const packageJSON = await readPackage({
+  cwd: new URL("..", import.meta.url),
+})

src/utils/__test__/isExistingPath.test.ts

@@ -1,29 +1,26 @@
-import fsMock from 'mock-fs'
+import test from "node:test"
+import assert from "node:assert/strict"
 
-import { isExistingPath } from '../isExistingPath.js'
+import fsMock from "mock-fs"
 
-describe('utils/isExistingFile', () => {
+import { isExistingPath } from "../isExistingPath.js"
-  afterEach(() => {
+
+await test("utils/isExistingPath", async (t) => {
+  t.afterEach(() => {
     fsMock.restore()
   })
 
-  it('should return true if the file exists', async () => {
+  await t.test("should return true if the file exists", async () => {
-    fsMock(
+    fsMock({
-      {
+      "/file.txt": "",
-        '/file.txt': ''
+    })
-      },
+    assert.strictEqual(await isExistingPath("/file.txt"), true)
-      { createCwd: false }
-    )
-    expect(await isExistingPath('/file.txt')).toBeTruthy()
   })
 
-  it("should return false if the file doesn't exists", async () => {
+  await t.test("should return false if the file doesn't exists", async () => {
-    fsMock(
+    fsMock({
-      {
+      "/file.txt": "",
-        '/file.txt': ''
+    })
-      },
+    assert.strictEqual(await isExistingPath("/randomfile.txt"), false)
-      { createCwd: false }
-    )
-    expect(await isExistingPath('/randomfile.txt')).toBeFalsy()
   })
 })

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

@@ -1,14 +1,14 @@
 {
+  "extends": "@tsconfig/strictest/tsconfig.json",
   "compilerOptions": {
     "target": "ESNext",
-    "module": "commonjs",
     "lib": ["ESNext"],
-    "moduleResolution": "node",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
     "outDir": "./build",
     "rootDir": "./src",
     "noEmit": true,
-    "strict": true,
+    "exactOptionalPropertyTypes": false,
-    "skipLibCheck": true,
+    "checkJs": false
-    "esModuleInterop": true
   }
 }