Use engines.node as source of version data for "actions/setup-node" action

.github/workflows/check-clang-format.yml

@@ -1,9 +1,5 @@
 name: Check ClangFormat Configuration
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   push:
@@ -48,7 +44,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2
@@ -229,7 +225,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

.github/workflows/check-eslint.yml

@@ -1,9 +1,5 @@
 name: Check ESLint Configuration
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   push:
@@ -38,7 +34,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

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

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-javascript-task.md
 name: Check JavaScript
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   create:
@@ -68,7 +64,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

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

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-markdown-task.md
 name: Check Markdown
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   create:
@@ -77,7 +73,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Initialize markdownlint-cli problem matcher
         uses: xt0rted/markdownlint-problem-matcher@v3
@@ -105,7 +101,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

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

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-npm-task.md
 name: Check npm
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   create:
@@ -73,7 +69,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2
@@ -106,7 +102,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: "${{ matrix.project.path }}/package.json"
 
       - name: Install Task
         uses: arduino/setup-task@v2

.github/workflows/check-prettier-formatting-task.yml

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-prettier-formatting-task.md
 name: Check Prettier Formatting
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   create:
@@ -245,7 +241,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

.github/workflows/check-taskfiles.yml

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-taskfiles.md
 name: Check Taskfiles
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   create:
@@ -74,7 +70,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Download JSON schema for Taskfiles
         id: download-schema

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

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-workflows-task.md
 name: Check Workflows
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   push:
@@ -36,7 +32,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

.github/workflows/sync-labels-npm.yml

@@ -1,12 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/sync-labels-npm.md
 name: Sync Labels
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-  CONFIGURATIONS_FOLDER: .github/label-configuration-files
-  CONFIGURATIONS_ARTIFACT_PREFIX: label-configuration-file-
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   push:
@@ -27,6 +21,10 @@ on:
   workflow_dispatch:
   repository_dispatch:
 
+env:
+  CONFIGURATIONS_FOLDER: .github/label-configuration-files
+  CONFIGURATIONS_ARTIFACT_PREFIX: label-configuration-file-
+
 jobs:
   check:
     runs-on: ubuntu-latest
@@ -40,7 +38,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Download JSON schema for labels configuration file
         id: download-schema
@@ -136,7 +134,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Merge label configuration files
         run: |

docs/development.md

@@ -7,8 +7,7 @@
 The following development tools must be available in your local environment:
 
 - [**Node.js** / **npm**](https://nodejs.org/en/download/) - Node.js dependencies management tool
-  - <!-- NODE_VERSION -->
-    This project uses Node.js 16.x
+  - The **Node.js** version in use is defined by the `engines.node` key of [`package.json`](../package.json).
 - [**Python**](https://wiki.python.org/moin/BeginnersGuide/Download)
   - <!-- PYTHON_VERSION -->
     This project uses Python 3.9.x

package.json

@@ -13,5 +13,8 @@
   },
   "dependencies": {
     "js-yaml": "^4.1.0"
+  },
+  "engines": {
+    "node": "16.x"
   }
 }

workflow-templates/check-action-metadata-task.md

@@ -33,10 +33,6 @@ Commit the resulting changes to the `package.json` and `package-lock.json` files
 
 ### Configuration
 
-#### Workflow
-
-Configure the version of **Node.js** used for development of the project in the `env.NODE_VERSION` field of `check-action-metadata-task.yml`.
-
 #### `.gitignore`
 
 Add the following to [`/.gitignore`](https://git-scm.com/docs/gitignore):
@@ -45,6 +41,14 @@ Add the following to [`/.gitignore`](https://git-scm.com/docs/gitignore):
 /node_modules/
 ```
 
+#### Node.js
+
+Configure the version of [**Node.js**](https://nodejs.org) used for development of the project by running the following command from a terminal in the project repository folder:
+
+```text
+npm pkg set engines.node=16.x
+```
+
 ### Readme badge
 
 Markdown badge:

workflow-templates/check-action-metadata-task.yml

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-action-metadata-task.md
 name: Check Action Metadata
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   create:
@@ -67,7 +63,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

workflow-templates/check-javascript-task.md

@@ -39,10 +39,6 @@ Commit the resulting changes to the `package.json` and `package-lock.json` files
 
 ### Configuration
 
-#### Workflow
-
-Configure the version of [**Node.js**](https://nodejs.org) used for development of the project in the `env.NODE_VERSION` field of `check-javascript-task.yml`.
-
 #### `.gitignore`
 
 Add the following to [`/.gitignore`](https://git-scm.com/docs/gitignore):
@@ -51,6 +47,14 @@ Add the following to [`/.gitignore`](https://git-scm.com/docs/gitignore):
 /node_modules/
 ```
 
+#### Node.js
+
+Configure the version of [**Node.js**](https://nodejs.org) used for development of the project by running the following command from a terminal in the project repository folder:
+
+```text
+npm pkg set engines.node=16.x
+```
+
 ### Readme badge
 
 Markdown badge:

workflow-templates/check-javascript-task.yml

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-javascript-task.md
 name: Check JavaScript
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   create:
@@ -68,7 +64,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2

workflow-templates/check-markdown-task.md

@@ -44,9 +44,13 @@ Commit the resulting changes to the `package.json` and `package-lock.json` files
 
 ### Configuration
 
-#### Workflow
+#### Node.js
 
-Configure the version of Node.js used for development of the project in the `env.NODE_VERSION` field of `check-markdown-task.yml`.
+Configure the version of [**Node.js**](https://nodejs.org) used for development of the project by running the following command from a terminal in the project repository folder:
+
+```text
+npm pkg set engines.node=16.x
+```
 
 #### Taskfile
 

workflow-templates/check-markdown-task.yml

@@ -1,10 +1,6 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-markdown-task.md
 name: Check Markdown
 
-env:
-  # See: https://github.com/actions/setup-node/#readme
-  NODE_VERSION: 16.x
-
 # See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   create:
@@ -77,7 +73,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Initialize markdownlint-cli problem matcher
         uses: xt0rted/markdownlint-problem-matcher@v3
@@ -105,7 +101,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: package.json
 
       - name: Install Task
         uses: arduino/setup-task@v2