automate style fixes

.github/workflows/code-style.yml

@@ -0,0 +1,45 @@
+name: Code Style
+
+on: [push]
+
+jobs:
+  php-cs-fixer:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Run PHP CS Fixer
+        uses: docker://oskarstark/php-cs-fixer-ga
+        with:
+          args: --config=.php-cs-fixer.dist.php --allow-risky=yes
+
+      - name: Commit changes
+        uses: stefanzweifel/[email protected]
+        with:
+          commit_message: Fix styling
+          branch: main
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  prettier:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Install NPM dependencies
+        run: npm ci
+
+      - name: Run Prettier
+        run: npm run format
+
+      - name: Commit changes
+        uses: stefanzweifel/[email protected]
+        with:
+          commit_message: Apply Prettier changes
+          branch: main
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -3,4 +3,5 @@ bios/**
 saves/**
 screenshots/**
 .DS_Store
-.env
+.env
+node_modules

.php-cs-fixer.dist.php

@@ -0,0 +1,42 @@
+<?php
+
+// php-cs-fixer 3.0 distributed config file
+
+$config = new PhpCsFixer\Config();
+$config
+    ->setRules([
+        '@PSR2' => true,
+        'concat_space' => ['spacing' => 'one'],
+        'no_unused_imports' => true,
+        'whitespace_after_comma_in_array' => true,
+        'method_argument_space' => [
+            'keep_multiple_spaces_after_comma' => true,
+            'on_multiline' => 'ignore'
+        ],
+        'return_type_declaration' => [
+            'space_before' => 'none'
+        ],
+        // only converts simple strings in double quotes to single quotes
+        // ignores strings using variables, escape characters or single quotes inside
+        'single_quote' => true,
+        // there should be a single space b/w the cast and it's operand
+        'cast_spaces' => ['space' => 'single'],
+        // there shouldn't be any trailing whitespace at the end of a non-blank line
+        'no_trailing_whitespace' => true,
+        // there shouldn't be any trailing whitespace at the end of a blank line
+        'no_whitespace_in_blank_line' => true,
+        // there should be a space around binary operators like (=, => etc)
+        'binary_operator_spaces' => ['default' => 'single_space'],
+        // deals with rogue empty blank lines
+        'no_extra_blank_lines' => ['tokens' => ['extra']],
+        // reduces multi blank lines b/w phpdoc description and @param to a single line
+        // NOTE: Doesn't add a blank line if none exist
+        'phpdoc_trim_consecutive_blank_line_separation' => true,
+    ])
+    ->setFinder(
+        PhpCsFixer\Finder::create()
+            ->in(__DIR__)
+    )
+;
+
+return $config;

.prettierignore

@@ -0,0 +1 @@
+emu

package.json

@@ -0,0 +1,8 @@
+{
+  "devDependencies": {
+    "prettier": "3.2.5"
+  },
+  "scripts": {
+    "format": "prettier . --write --ignore-unknown"
+  }
+}