upgrade to eslint 9

.github/dependabot.yml

@@ -11,17 +11,6 @@ updates:
       - 'dependencies'
       - 'automerge'
       - "kodiak: merge.method = 'squash'"
-    ignore:
-      # Need to wait until every plugin support eslint 9
-      #
-      # It also dropped support for .eslintrc file in favor of flat config
-      # Which means that we might need to completely rewrite/restructure our config
-      #
-      # ref: https://eslint.org/docs/latest/use/configure/migration-guide
-      #
-      - dependency-name: eslint
-        versions:
-          - '>= 9'
     groups:
       babel:
         patterns:

.github/pull_request_review_template.md

@@ -1,13 +1,10 @@
 LGTM :+1:
 
-#### Review checklist according to [SOP-13][1] & [SOP-014][2]
+#### Review checklist according to SOP-13 & SOP-014
 
 - [ ] Code is readable
 - [ ] Test coverage is appropriate
 - [ ] CHANGELOG entry is correct
 - [ ] I manually tested the changes and checked that related features do not have any regressions
 - [ ] I confirmed that all specifications linked to the issue are fulfilled
 - [ ] I checked newly added dependencies for their licenses
-
-[1]: https://drive.google.com/file/d/1fD1ZcsBTywlMVTObTmNLrg55khrYMI_L/view
-[2]: https://drive.google.com/file/d/1uRnMtykgw1Gzo2nRp-TPnESgmYoEIfBf/view

.github/workflows/dependabot_dedupe.yml

@@ -12,23 +12,4 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: fregante/setup-git-user@v1
-
-      - name: Use Node.js
-        uses: actions/setup-node@v3
-        with:
-          node-version: lts/*
-
-      - name: Dedupe if needed
-        env:
-          HUSKY: 0
-        run: |
-          corepack enable
-          yarn dedupe
-
-          if [[ -n $(git status -s) ]]; then
-            git add .
-            git commit -m '[dependabot skip] Dedupe dependencies'
-            git push
-          fi
+      - uses: laboperator-gmbh/github-actions/yarn-dedupe@v1

.github/workflows/linters.yml

@@ -2,19 +2,17 @@ name: Linters
 
 on:
   pull_request:
-    branches-ignore:
-      - 'main'
+
 jobs:
   eslint:
     if: github.actor != 'dependabot[bot]'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v6
+      - run: corepack enable
+      - uses: actions/setup-node@v5
         with:
-          node-version-file: ".nvmrc"
-
+          cache: yarn
       - run: yarn install
       - name: eslint
         uses: reviewdog/action-eslint@v1

eslint.config.mjs

@@ -0,0 +1,21 @@
+import { defineConfig } from 'eslint/config';
+import jest from 'eslint-plugin-jest';
+import nodeConfig from '@laboperator-gmbh/eslint-config-node';
+
+export default defineConfig(
+  nodeConfig,
+  { ignores: ['**/dist'] },
+  {
+    rules: {
+      'import/no-extraneous-dependencies': ['error', { devDependencies: true }],
+    },
+  },
+  {
+    files: ['**/__tests__/**/*.test.ts'],
+
+    extends: [jest.configs['flat/recommended']],
+    rules: {
+      'max-nested-callbacks': 'off',
+    },
+  },
+);

package.json

@@ -41,12 +41,12 @@
   },
   "devDependencies": {
     "@babel/core": "^7.28.5",
-    "@laboperator-gmbh/config": "~0.1.10",
-    "@laboperator-gmbh/eslint-config-node": "~0.1.10",
+    "@laboperator-gmbh/config": "~0.2.0",
+    "@laboperator-gmbh/eslint-config-node": "~0.2.0",
     "@types/jest": "^30.0.0",
     "@types/lodash": "^4.17.21",
     "@types/node": "^24.10.1",
-    "eslint": "^8.57.1",
+    "eslint": "^9.39.1",
     "eslint-plugin-jest": "^29.2.1",
     "fast-glob": "^3.3.3",
     "husky": "^9.1.7",
@@ -63,5 +63,5 @@
     "typescript": "^5.9.3",
     "yaml": "^2.8.2"
   },
-  "packageManager": "yarn@4.0.1"
+  "packageManager": "yarn@4.12.0"
 }

tsconfig.json

@@ -1,5 +1,5 @@
 {
-  "extends": "@laboperator-gmbh/config/tsconfig.json",
+  "extends": "@laboperator-gmbh/config/tsconfig",
   "compilerOptions": {
     "baseUrl": ".",
     "declaration": true,