docs: fix wrong link for .html-w3c-validatorrc.json JSON schema

Allows to have better control of the implementation.
Also reduce package size by removing needed dependencies to install.

.github/workflows/lint.yml

@@ -23,6 +23,5 @@ jobs:
 
       - 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"

.husky/commit-msg

@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+
+npm run lint:commit -- --edit

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+
+npm run lint:staged
+npm run build:typescript

.lintstagedrc.json

@@ -1,6 +1,6 @@
 {
-  "*": ["editorconfig-checker"],
+  "**/*": ["editorconfig-checker", "prettier --write --ignore-unknown"],
-  "*.{js,ts,jsx,tsx}": ["prettier --write", "eslint --fix"],
+  "**/*.{js,jsx,ts,tsx}": [
-  "*.{yml,json}": ["prettier --write"],
+    "eslint --fix --max-warnings 0 --report-unused-disable-directives"
-  "*.md": ["prettier --write", "markdownlint --dot --fix"]
+  ]
 }

.markdownlint-cli2.jsonc

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

LICENSE

@@ -1,6 +1,6 @@
 # MIT License
 
-Copyright (c) Théo LUDWIG
+Copyright (c) Théo LUDWIG <contact@theoludwig.fr>
 
 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

@@ -1,9 +1,7 @@
 <h1 align="center">html-w3c-validator</h1>
 
 <p align="center">
-  <strong>CLI for validating multiple html pages using <a href="https://validator.w3.org/">validator.w3.org</a>.</strong>
+  <strong>CLI for validating HTML pages using <a href="https://validator.w3.org/">validator.w3.org</a>.</strong>
-</p>
-
 </p>
 
 <p align="center">
@@ -22,11 +20,11 @@
 
 ## 📜 About
 
-**html-w3c-validator** is a CLI tool to validate multiple html pages using [validator.w3.org](https://validator.w3.org/).
+**html-w3c-validator** is a CLI tool to validate HTML pages using [validator.w3.org](https://validator.w3.org/).
 
 You might use a JavaScript framework or simply use HTML but **you should always validate your production HTML** and this validation should be part of your CI/CD pipeline (tests, linting, etc.).
 
-### Why should I validate my HTML pages?
+### Why is HTML page validation important?
 
 Quote from [https://validator.w3.org/docs/help.html#why-validate](https://validator.w3.org/docs/help.html#why-validate):
 
@@ -40,7 +38,7 @@ You can combine **html-w3c-validator** with [start-server-and-test](https://gith
 
 ### Prerequisites
 
-- [Node.js](https://nodejs.org/) >= 16.0.0
+[Node.js](https://nodejs.org/) >= 16.0.0
 
 ### Installation (with [start-server-and-test](https://github.com/bahmutov/start-server-and-test))
 
@@ -59,8 +57,8 @@ 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://127.0.0.1:3000\" \"html-w3c-validator\""
+    "test:html-w3c-validator": "start-server-and-test \"start\" \"http://127.0.0.1:3000\" \"html-w3c-validator\"",
-  }
+  },
 }
 ```
 
@@ -68,13 +66,16 @@ npm install --save-dev html-w3c-validator start-server-and-test
 
 ```jsonc
 {
+  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/master/schema/html-w3c-validatorrc-schema.json",
+
+  // URLs to validate.
   "urls": ["http://127.0.0.1:3000/", "http://127.0.0.1:3000/about"],
 
-  // You can also specify HTML files instead of URLs
+  // Files to validate.
   "files": ["./index.html", "./about.html"],
 
-  // Specify the severities of the validator (default: ["warning", "error"])
+  // Specify the severities of the validator messages to report. (default: ["warning", "error"])
-  "severities": ["info", "warning", "error"]
+  "severities": ["info", "warning", "error"],
 }
 ```
 
@@ -98,8 +99,9 @@ See the [./example](./example) folder for practical usage.
 ### Options
 
 ```text
--V, --version       Output the version number.
+--current-working-directory <path>  The current working directory (default: `process.cwd()`).
--h, --help          Display help for command.
+-V, --version                       Output the version number.
+-h, --help                          Display help for command.
 ```
 
 ## 💡 Contributing

example/.html-w3c-validatorrc.json

@@ -1,4 +1,5 @@
 {
+  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
   "urls": ["http://127.0.0.1:3000/", "http://127.0.0.1:3000/about"],
   "files": ["./build/index.html", "./build/about.html"]
 }

example/package-lock.json

@@ -14,11 +14,11 @@
     "..": {
       "version": "0.0.0-development",
       "dev": true,
+      "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
         "chalk": "5.3.0",
         "clipanion": "3.2.1",
-        "html-validator": "6.0.1",
         "log-symbols": "6.0.0",
         "ora": "8.0.1",
         "read-pkg": "9.0.1",
@@ -28,33 +28,29 @@
         "html-w3c-validator": "build/index.js"
       },
       "devDependencies": {
-        "@commitlint/cli": "18.4.3",
+        "@commitlint/cli": "18.6.0",
-        "@commitlint/config-conventional": "18.4.3",
+        "@commitlint/config-conventional": "18.6.0",
-        "@swc/cli": "0.1.63",
+        "@swc/cli": "0.3.6",
-        "@swc/core": "1.3.101",
+        "@swc/core": "1.3.107",
         "@tsconfig/strictest": "2.0.2",
-        "@types/html-validator": "5.0.6",
+        "@types/node": "20.11.16",
-        "@types/mock-fs": "4.13.4",
+        "@types/sinon": "17.0.3",
-        "@types/node": "20.10.5",
+        "@typescript-eslint/eslint-plugin": "6.20.0",
-        "@types/sinon": "17.0.2",
+        "@typescript-eslint/parser": "6.20.0",
-        "@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-prettier": "5.1.3",
         "eslint-plugin-promise": "6.1.1",
         "eslint-plugin-unicorn": "50.0.1",
         "execa": "8.0.1",
-        "lint-staged": "15.2.0",
+        "husky": "9.0.10",
-        "markdownlint-cli2": "0.11.0",
+        "lint-staged": "15.2.1",
-        "markdownlint-rule-relative-links": "2.1.2",
+        "pinst": "3.0.0",
-        "mock-fs": "5.2.0",
+        "prettier": "3.2.4",
-        "prettier": "3.1.1",
+        "semantic-release": "23.0.0",
-        "rimraf": "5.0.5",
-        "semantic-release": "22.0.12",
         "serve": "14.2.1",
         "sinon": "17.0.1",
         "typescript": "5.3.3"
@@ -80,9 +76,9 @@
       }
     },
     "node_modules/@sideway/address": {
-      "version": "4.1.4",
+      "version": "4.1.5",
-      "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.4.tgz",
+      "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.5.tgz",
-      "integrity": "sha512-7vwq+rOHVWjyXxVlR76Agnvhy8I9rpzjosTESvmhNeXOXdZZB15Fl+TI9x1SiHZH5Jv2wTGduSxFDIaq0m3DUw==",
+      "integrity": "sha512-IqO/DUQHUkPeixNQ8n0JA6102hT9CmaljNTPmQ1u8MEhBo/R4Q8eKLN/vGZxuebwOroDB4cbpjheD4+/sKFK4Q==",
       "dev": true,
       "dependencies": {
         "@hapi/hoek": "^9.0.0"
@@ -242,12 +238,12 @@
       "dev": true
     },
     "node_modules/axios": {
-      "version": "1.6.2",
+      "version": "1.6.7",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.6.2.tgz",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.6.7.tgz",
-      "integrity": "sha512-7i24Ri4pmDRfJTR7LDBhsOTtcm+9kjX5WiY1X3wIisx6G9So3pfMkEiU7emUBe46oceVImccTEM3k6C5dbVW8A==",
+      "integrity": "sha512-/hDJGff6/c7u0hDkvkGxR/oy6CbCs8ziCsC7SqmhjfozqiJGc8Z11wrv9z9lYfY4K8l+H9TpjcMDX0xOZmx+RA==",
       "dev": true,
       "dependencies": {
-        "follow-redirects": "^1.15.0",
+        "follow-redirects": "^1.15.4",
         "form-data": "^4.0.0",
         "proxy-from-env": "^1.1.0"
       }
@@ -601,9 +597,9 @@
       }
     },
     "node_modules/follow-redirects": {
-      "version": "1.15.3",
+      "version": "1.15.5",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.3.tgz",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.5.tgz",
-      "integrity": "sha512-1VzOtuEM8pC9SFU1E+8KfTjZyMztRsgEfwQl44z8A25uy13jSzTj6dyK2Df52iV0vgHCfBwLhDWevLn95w5v6Q==",
+      "integrity": "sha512-vSFWUON1B+yAw1VN4xMfxgn5fTUiaOzAJCKBwIIgT/+7CuGy9+r+5gITvP62j3RmaD5Ph65UaERdOSRGUzZtgw==",
       "dev": true,
       "funding": [
         {
@@ -747,14 +743,14 @@
       "dev": true
     },
     "node_modules/joi": {
-      "version": "17.11.0",
+      "version": "17.12.1",
-      "resolved": "https://registry.npmjs.org/joi/-/joi-17.11.0.tgz",
+      "resolved": "https://registry.npmjs.org/joi/-/joi-17.12.1.tgz",
-      "integrity": "sha512-NgB+lZLNoqISVy1rZocE9PZI36bL/77ie924Ri43yEvi9GUUMPeyVIr8KdFTMUlby1p0PBYMk9spIxEUQYqrJQ==",
+      "integrity": "sha512-vtxmq+Lsc5SlfqotnfVjlViWfOL9nt/avKNbKYizwf6gsCfq9NYY/ceYRMFD8XDdrjJ9abJyScWmhmIiy+XRtQ==",
       "dev": true,
       "dependencies": {
-        "@hapi/hoek": "^9.0.0",
+        "@hapi/hoek": "^9.3.0",
-        "@hapi/topo": "^5.0.0",
+        "@hapi/topo": "^5.1.0",
-        "@sideway/address": "^4.1.3",
+        "@sideway/address": "^4.1.5",
         "@sideway/formula": "^3.0.1",
         "@sideway/pinpoint": "^2.0.0"
       }

package.json

@@ -1,7 +1,7 @@
 {
   "name": "html-w3c-validator",
   "version": "0.0.0-development",
-  "description": "CLI for validating multiple html pages using validator.w3.org.",
+  "description": "CLI for validating HTML pages using validator.w3.org.",
   "public": true,
   "types": "module",
   "type": "module",
@@ -37,55 +37,52 @@
     "npm": ">=9.0.0"
   },
   "scripts": {
-    "build": "rimraf ./build && swc ./src --out-dir ./build",
+    "build": "swc ./src --out-dir ./build --strip-leading-paths --delete-dir-on-start",
     "build:typescript": "tsc",
     "start": "node --enable-source-maps build/index.js",
     "lint:commit": "commitlint",
     "lint:editorconfig": "editorconfig-checker",
-    "lint:markdown": "markdownlint-cli2",
     "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/",
+    "test": "node --enable-source-maps --test",
-    "release": "semantic-release"
+    "release": "semantic-release",
+    "postinstall": "husky",
+    "prepublishOnly": "pinst --disable",
+    "postpublish": "pinst --enable"
   },
   "dependencies": {
     "chalk": "5.3.0",
     "clipanion": "3.2.1",
-    "html-validator": "6.0.1",
     "log-symbols": "6.0.0",
     "ora": "8.0.1",
     "read-pkg": "9.0.1",
     "table": "6.8.1"
   },
   "devDependencies": {
-    "@commitlint/cli": "18.4.3",
+    "@commitlint/cli": "18.6.0",
-    "@commitlint/config-conventional": "18.4.3",
+    "@commitlint/config-conventional": "18.6.0",
-    "@swc/cli": "0.1.63",
+    "@swc/cli": "0.3.6",
-    "@swc/core": "1.3.101",
+    "@swc/core": "1.3.107",
     "@tsconfig/strictest": "2.0.2",
-    "@types/html-validator": "5.0.6",
+    "@types/node": "20.11.16",
-    "@types/mock-fs": "4.13.4",
+    "@types/sinon": "17.0.3",
-    "@types/node": "20.10.5",
+    "@typescript-eslint/eslint-plugin": "6.20.0",
-    "@types/sinon": "17.0.2",
+    "@typescript-eslint/parser": "6.20.0",
-    "@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-prettier": "5.1.3",
     "eslint-plugin-promise": "6.1.1",
     "eslint-plugin-unicorn": "50.0.1",
     "execa": "8.0.1",
-    "lint-staged": "15.2.0",
+    "husky": "9.0.10",
-    "markdownlint-cli2": "0.11.0",
+    "lint-staged": "15.2.1",
-    "markdownlint-rule-relative-links": "2.1.2",
+    "pinst": "3.0.0",
-    "mock-fs": "5.2.0",
+    "prettier": "3.2.4",
-    "prettier": "3.1.1",
+    "semantic-release": "23.0.0",
-    "rimraf": "5.0.5",
-    "semantic-release": "22.0.12",
     "serve": "14.2.1",
     "sinon": "17.0.1",
     "typescript": "5.3.3"

schema/html-w3c-validatorrc-schema.json

@@ -0,0 +1,50 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/master/schema/html-w3c-validatorrc-schema.json",
+  "title": "html-w3c-validator configuration schema",
+  "type": "object",
+  "properties": {
+    "$schema": {
+      "description": "JSON Schema URI",
+      "type": "string",
+      "format": "uri",
+      "default": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/master/schema/html-w3c-validatorrc-schema.json"
+    },
+    "urls": {
+      "description": "URLs to validate.",
+      "type": "array",
+      "default": [],
+      "minItems": 1,
+      "items": {
+        "description": "URL to validate.",
+        "type": "string",
+        "format": "uri",
+        "minLength": 1
+      }
+    },
+    "files": {
+      "description": "Files to validate.",
+      "type": "array",
+      "minItems": 1,
+      "default": [],
+      "items": {
+        "description": "File to validate.",
+        "type": "string",
+        "format": "uri-reference",
+        "minLength": 1
+      }
+    },
+    "severities": {
+      "description": "Specify the severities to report.",
+      "type": "array",
+      "minItems": 1,
+      "default": ["warning", "error"],
+      "items": {
+        "description": "Severity to report.",
+        "type": "string",
+        "enum": ["error", "warning", "info"]
+      }
+    }
+  },
+  "additionalProperties": false
+}

src/HTMLValidatorCommand.ts

@@ -1,19 +1,15 @@
-import path from "node:path"
 import fs from "node:fs"
+import path from "node:path"
 
-import { Command, Option } from "clipanion"
-import * as typanion from "typanion"
 import chalk from "chalk"
-import ora from "ora"
+import { Command, Option } from "clipanion"
 import logSymbols from "log-symbols"
-import type {
+import ora from "ora"
-  ValidationMessageLocationObject,
-  ParsedJsonAsValidationResults,
-} from "html-validator"
-import validateHTML from "html-validator"
 import { table } from "table"
+import * as typanion from "typanion"
 
-import { isExistingPath } from "./utils/isExistingPath.js"
+import type { ValidateHTMLResult } from "./validateHTML.js"
+import { getHTMLFromURL, validateHTML } from "./validateHTML.js"
 
 export const CONFIG_FILE_NAME = ".html-w3c-validatorrc.json"
 
@@ -50,7 +46,7 @@ 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 HTML pages using <https://validator.w3.org/>.",
   }
 
   public currentWorkingDirectory = Option.String(
@@ -65,22 +61,20 @@ export class HTMLValidatorCommand extends Command {
   public async execute(): Promise<number> {
     const configPath = path.join(this.currentWorkingDirectory, CONFIG_FILE_NAME)
     try {
-      if (!(await isExistingPath(configPath))) {
+      let configData: string
+      try {
+        configData = await fs.promises.readFile(configPath, {
+          encoding: "utf-8",
+        })
+      } catch (error) {
         throw new Error(
           `No config file found at ${configPath}. Please create "${CONFIG_FILE_NAME}".`,
         )
       }
-      const configData = await fs.promises.readFile(configPath, {
-        encoding: "utf-8",
-      })
       let config: Config = { urls: [], files: [] }
-      let isValidConfig = true
       try {
         config = JSON.parse(configData)
       } catch {
-        isValidConfig = false
-      }
-      if (!isValidConfig) {
         throw new Error(
           `Invalid config file at "${configPath}". Please check the JSON syntax.`,
         )
@@ -137,29 +131,25 @@ export class HTMLValidatorCommand extends Command {
       await Promise.all(
         dataToValidate.map(async ({ data, type }) => {
           try {
-            const options = {
+            let result: ValidateHTMLResult | undefined
-              format: "json" as "json" | undefined,
-            }
-            let result: ParsedJsonAsValidationResults | undefined
             if (type === "url") {
               result = await validateHTML({
-                url: data,
+                htmlData: await getHTMLFromURL(data),
-                isLocal: true,
-                ...options,
               })
             } else if (type === "file") {
               const htmlPath = path.resolve(this.currentWorkingDirectory, data)
-              if (!(await isExistingPath(htmlPath))) {
+              let html: string
+              try {
+                html = await fs.promises.readFile(htmlPath, {
+                  encoding: "utf-8",
+                })
+              } catch (error) {
                 throw new Error(
                   `No file found at "${htmlPath}". Please check the path.`,
                 )
               }
-              const html = await fs.promises.readFile(htmlPath, {
-                encoding: "utf-8",
-              })
               result = await validateHTML({
-                data: html,
+                htmlData: html,
-                ...options,
               })
             } else {
               throw new Error("Invalid type")
@@ -194,10 +184,9 @@ export class HTMLValidatorCommand extends Command {
                   row.push(chalk.red(message.type))
                 }
                 row.push(message.message)
-                const violation = message as ValidationMessageLocationObject
+                if (message.extract != null) {
-                if (violation.extract != null) {
                   row.push(
-                    `line: ${violation.lastLine}, column: ${violation.firstColumn}-${violation.lastColumn}`,
+                    `line: ${message.lastLine}, column: ${message.firstColumn}-${message.lastColumn}`,
                   )
                 }
                 messagesTable.push(row)

src/__test__/HTMLValidatorCommand.test.ts

@@ -1,7 +1,9 @@
 import test from "node:test"
 import assert from "node:assert/strict"
 import path from "node:path"
+import fs from "node:fs"
 import { PassThrough } from "node:stream"
+import { fileURLToPath } from "node:url"
 
 import sinon from "sinon"
 import { execa } from "execa"
@@ -33,7 +35,10 @@ await test("html-w3c-validator", async (t) => {
     async () => {
       const exampleURL = new URL("../../example", import.meta.url)
       process.chdir(exampleURL.pathname)
-      await execa("rimraf", ["node_modules"])
+      await fs.promises.rm(
+        path.join(fileURLToPath(exampleURL), "node_modules"),
+        { recursive: true, force: true },
+      )
       await execa("npm", ["install"])
       const { exitCode } = await execa("npm", [
         "run",

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

@@ -1,4 +1,5 @@
 {
+  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
   "urls": [],
   "files": []
 }

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

@@ -1,3 +1,4 @@
 {
+  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
   "files": "Invalid"
 }

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

@@ -1,4 +1,5 @@
 {
+  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
   "files": ["./index.html"],
   "severities": []
 }

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

@@ -1,4 +1,5 @@
 {
+  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
   "files": ["./index.html"],
   "severities": ["errors-invalid"]
 }

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

@@ -1,3 +1,4 @@
 {
+  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
   "urls": "Invalid"
 }

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

@@ -1,3 +1,4 @@
 {
+  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
   "files": ["./index.html"]
 }

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

@@ -1,3 +1,4 @@
 {
+  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
   "files": ["./build/index.html", "./build/about.html"]
 }

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

@@ -1,3 +1,4 @@
 {
+  "$schema": "https://raw.githubusercontent.com/theoludwig/html-w3c-validator/develop/schema/html-w3c-validatorrc-schema.json",
   "files": ["./build/index.html", "./build/about.html"]
 }

src/utils/__test__/isExistingPath.test.ts

@@ -1,26 +0,0 @@
-import test from "node:test"
-import assert from "node:assert/strict"
-
-import fsMock from "mock-fs"
-
-import { isExistingPath } from "../isExistingPath.js"
-
-await test("utils/isExistingPath", async (t) => {
-  t.afterEach(() => {
-    fsMock.restore()
-  })
-
-  await t.test("should return true if the file exists", async () => {
-    fsMock({
-      "/file.txt": "",
-    })
-    assert.strictEqual(await isExistingPath("/file.txt"), true)
-  })
-
-  await t.test("should return false if the file doesn't exists", async () => {
-    fsMock({
-      "/file.txt": "",
-    })
-    assert.strictEqual(await isExistingPath("/randomfile.txt"), false)
-  })
-})

src/utils/isExistingPath.ts

@@ -1,10 +0,0 @@
-import fs from "node:fs"
-
-export const isExistingPath = async (path: string): Promise<boolean> => {
-  try {
-    await fs.promises.access(path, fs.constants.F_OK)
-    return true
-  } catch {
-    return false
-  }
-}

src/validateHTML.ts

@@ -0,0 +1,46 @@
+export interface ValidateHTMLOptions {
+  htmlData: string
+}
+
+export interface ValidationMessage {
+  type: "error" | "info" | "non-document-error"
+  subType?: "warning" | "fatal" | "internal" | "io" | "schema"
+  message: string
+  extract?: string
+  lastLine: number
+  firstColumn: number
+  lastColumn: number
+}
+
+export interface ValidateHTMLResult {
+  messages: ValidationMessage[]
+}
+
+export const validateHTML = async (
+  options: ValidateHTMLOptions,
+): Promise<ValidateHTMLResult> => {
+  const { htmlData } = options
+  const url = new URL("https://validator.w3.org/nu/")
+  url.searchParams.set("out", "json")
+  const response = await fetch(url, {
+    method: "POST",
+    body: htmlData,
+    headers: {
+      "Content-Type": "text/html",
+    },
+  })
+  if (!response.ok) {
+    throw new Error(`Failed to validate HTML`)
+  }
+  const result = (await response.json()) as ValidateHTMLResult
+  return result
+}
+
+export const getHTMLFromURL = async (url: string): Promise<string> => {
+  const response = await fetch(url)
+  if (!response.ok) {
+    throw new Error(`Failed to fetch HTML from "${url}"`)
+  }
+  const html = await response.text()
+  return html
+}

tsconfig.json

@@ -9,6 +9,6 @@
     "rootDir": "./src",
     "noEmit": true,
     "exactOptionalPropertyTypes": false,
-    "checkJs": false
+    "checkJs": false,
-  }
+  },
 }