add style enforcement

.github/workflows/style.yml

@@ -0,0 +1,48 @@
+---
+    name: Style-Enforcer
+    on:
+      push:
+        branches:
+          - main
+          - /^release-.*$/
+        tags: ["*"]
+        paths:
+          - "**/*.jl"
+          - ".github/workflows/FormatCheck.yml"
+      pull_request:
+        types: [opened, synchronize, reopened, ready_for_review]
+        paths:
+          - "**/*.jl"
+          - ".github/workflows/FormatCheck.yml"
+    jobs:
+      format-check:
+        name: YAS
+        # These permissions are needed to:
+        # - Delete old caches: https://github.com/julia-actions/cache#usage
+        # - Post formatting suggestions: https://github.com/reviewdog/action-suggester#required-permissions
+        permissions:
+          actions: write
+          contents: read
+          pull-requests: write
+        runs-on: ubuntu-latest
+        steps:
+          - uses: actions/checkout@v4
+          - uses: julia-actions/setup-julia@v1
+            with:
+              version: "1"
+          - uses: julia-actions/cache@v1
+          - name: Install JuliaFormatter
+            shell: julia --project=@format --color=yes {0}
+            run: |
+              using Pkg
+              Pkg.add(PackageSpec(; name="JuliaFormatter", version="1"))
+          - name: Check formatting
+            shell: julia --project=@format --color=yes {0}
+            run: |
+              using JuliaFormatter
+              format(".", YASStyle(); verbose=true)
+          - uses: reviewdog/action-suggester@v1
+            if: ${{ github.event_name == 'pull_request' && github.event.pull_request.draft == false }}
+            with:
+              tool_name: JuliaFormatter
+              fail_on_error: true

README.md

@@ -6,6 +6,7 @@
 [![Dev](https://img.shields.io/badge/docs-dev-blue.svg)](https://RePsychLing.github.io/MixedModelsSim.jl/dev)
 [![CI](https://github.com/RePsychLing/MixedModelsSim.jl/actions/workflows/CI.yml/badge.svg)](https://github.com/RePsychLing/MixedModelsSim.jl/actions/workflows/CI.yml)
 [![Codecov](https://codecov.io/gh/RePsychLing/MixedModelsSim.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/RePsychLing/MixedModelsSim.jl)
+[![Code Style: YAS](https://img.shields.io/badge/code%20style-yas-1fdcb3.svg)](https://github.com/jrevels/YASGuide)
 
 This package provides some utility functions for generating experimental designs, especially those with crossed factors.