eslint/yml

.github/dependabot.yml

@@ -1,12 +1,12 @@
 version: 2
 updates:
-  - package-ecosystem: 'github-actions'
-    directory: '/'
+  - package-ecosystem: github-actions
+    directory: /
     schedule:
-      interval: 'daily'
+      interval: daily
       time: '05:00'
-  - package-ecosystem: 'npm'
-    directory: '/'
+  - package-ecosystem: npm
+    directory: /
     schedule:
-      interval: 'daily'
+      interval: daily
       time: '05:00'

.github/workflows/build.yml

@@ -1,5 +1,6 @@
 name: Build package
 on:
+  # eslint-disable-next-line yml/no-empty-mapping-value
   pull_request:
   push:
     branches: main
@@ -17,8 +18,8 @@ jobs:
           ref: ${{ github.event_name == 'pull_request' && github.head_ref || github.ref }}
       - uses: actions/setup-node@v4
         with:
-          node-version: 'latest'
-          cache: 'npm'
+          node-version: latest
+          cache: npm
       - name: Lint, format & build code, generate docs
         run: npm ci
       - name: Commit & push changes

.github/workflows/publish.yml

@@ -13,10 +13,10 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 'latest'
+          node-version: latest
           registry-url: https://npm.pkg.github.com
           scope: '@olivierzal'
-          cache: 'npm'
+          cache: npm
       - name: Install dependencies
         run: npm ci --ignore-scripts
       - run: npm publish

eslint.config.js

@@ -5,6 +5,7 @@ import prettier from 'eslint-config-prettier'
 import importPlugin from 'eslint-plugin-import'
 import packageJson from 'eslint-plugin-package-json/configs/recommended'
 import perfectionist from 'eslint-plugin-perfectionist'
+import yml from 'eslint-plugin-yml'
 import ts, { configs as tsConfigs } from 'typescript-eslint'
 
 import { classGroups } from './eslint-utils/class-groups.js'
@@ -370,6 +371,22 @@ const config = [
     },
   ),
   ...markdown.configs.recommended,
+  ...yml.configs['flat/standard'],
+  ...yml.configs['flat/prettier'],
+  {
+    rules: {
+      'yml/block-mapping-colon-indicator-newline': 'error',
+      'yml/file-extension': [
+        'error',
+        {
+          extension: 'yml',
+        },
+      ],
+      'yml/no-multiple-empty-lines': 'error',
+      'yml/no-trailing-zeros': 'error',
+      'yml/require-string-key': 'error',
+    },
+  },
   packageJson,
 ]
 

package.json

@@ -51,6 +51,7 @@
     "eslint-plugin-import": "^2.31.0",
     "eslint-plugin-package-json": "^0.21.1",
     "eslint-plugin-perfectionist": "^4.7.0",
+    "eslint-plugin-yml": "^1.16.0",
     "jsonc-eslint-parser": "^2.4.0",
     "prettier": "^3.4.2",
     "prettier-plugin-packagejson": "^2.5.8",