Use npm to manage Markdown tool dependencies

.ecrc

@@ -3,6 +3,7 @@
     "^\\.git[/\\\\]",
     "__pycache__[/\\\\]",
     "^LICENSE\\.txt$",
+    "node_modules[/\\\\]",
     "^poetry\\.lock$",
     "^\\.licenses[/\\\\]",
     "^internal/rule/schema/schemadata/bindata.go$",

.github/workflows/check-markdown-task.yml

@@ -4,6 +4,8 @@ name: Check Markdown
 env:
   # See: https://github.com/actions/setup-go/tree/main#supported-version-syntax
   GO_VERSION: "1.17"
+  # See: https://github.com/actions/setup-node/#readme
+  NODE_VERSION: 20.x
 
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
@@ -12,6 +14,8 @@ on:
     paths:
       - ".github/workflows/check-markdown-task.ya?ml"
       - ".markdown-link-check.json"
+      - "package.json"
+      - "package-lock.json"
       - "Taskfile.ya?ml"
       - "**/.markdownlint*"
       - "**.mdx?"
@@ -22,6 +26,8 @@ on:
     paths:
       - ".github/workflows/check-markdown-task.ya?ml"
       - ".markdown-link-check.json"
+      - "package.json"
+      - "package-lock.json"
       - "Taskfile.ya?ml"
       - "**/.markdownlint*"
       - "**.mdx?"
@@ -70,6 +76,11 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
       - name: Initialize markdownlint-cli problem matcher
         uses: xt0rted/markdownlint-problem-matcher@v3
 
@@ -98,6 +109,11 @@ jobs:
         with:
           go-version: ${{ env.GO_VERSION }}
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
       - name: Install Task
         uses: arduino/setup-task@v2
         with:

.gitignore

@@ -3,6 +3,9 @@
 arduino-lint.exe
 __pycache__/
 
+# Generated files
+node_modules/
+
 # Test artifacts
 coverage_unit.txt
 

.markdownlintignore

@@ -1,3 +1,4 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-markdown/.markdownlintignore
 .licenses/
 __pycache__/
+node_modules/

.prettierignore

@@ -7,6 +7,7 @@
 # Generated files
 /.licenses/
 __pycache__/
+node_modules/
 
 # Test files
 /internal/rule/schema/testdata/input/invalid-schema.json

Taskfile.yml

@@ -320,6 +320,7 @@ tasks:
     desc: Check for broken links
     deps:
       - task: docs:generate
+      - task: npm:install-deps
     cmds:
       - |
         if [[ "{{.OS}}" == "Windows_NT" ]]; then
@@ -361,15 +362,29 @@ tasks:
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-markdown-task/Taskfile.yml
   markdown:fix:
     desc: Automatically correct linting violations in Markdown files where possible
+    deps:
+      - task: npm:install-deps
     cmds:
       - npx markdownlint-cli --fix "**/*.md"
 
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-markdown-task/Taskfile.yml
   markdown:lint:
     desc: Check for problems in Markdown files
+    deps:
+      - task: npm:install-deps
     cmds:
       - npx markdownlint-cli "**/*.md"
 
+  # Parameter variables:
+  # - PROJECT_PATH: path of the npm-managed project. Default value: "./"
+  # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/npm-task/Taskfile.yml
+  npm:install-deps:
+    desc: Install dependencies managed by npm
+    dir: |
+      "{{default "./" .PROJECT_PATH}}"
+    cmds:
+      - npm install
+
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/poetry-task/Taskfile.yml
   poetry:install-deps:
     desc: Install dependencies managed by Poetry

docs/CONTRIBUTING.md

@@ -83,6 +83,9 @@ If you want to run integration tests or work on documentation, you will also nee
 
 - A working [Python](https://www.python.org/downloads/) environment, version 3.9 or later.
 - [Poetry](https://python-poetry.org/docs/).
+- [**Node.js** / **npm**](https://nodejs.org/en/download/) - Node.js dependencies management tool.
+  - **ⓘ** [**nvm**](https://github.com/nvm-sh/nvm#installing-and-updating) is recommended if you want to manage multiple
+    installations of **Node.js** on your system.
 
 ### Building the source code