chore: sync tooling and linting with marko-js/prettier

.changeset/README.md

@@ -0,0 +1,8 @@
+# Changesets
+
+Hello and welcome! This folder has been automatically generated by `@changesets/cli`, a build tool that works
+with multi-package repos, or single-package repos to help you version and publish your code. You can
+find the full documentation for it [in our repository](https://github.com/changesets/changesets)
+
+We have a quick list of common questions to get you started engaging with this project in
+[our documentation](https://github.com/changesets/changesets/blob/main/docs/common-questions.md)

.changeset/config.json

@@ -0,0 +1,16 @@
+{
+  "$schema": "https://unpkg.com/@changesets/config@3.1.3/schema.json",
+  "changelog": [
+    "@changesets/changelog-github",
+    {
+      "repo": "marko-js/testing-library"
+    }
+  ],
+  "commit": false,
+  "fixed": [],
+  "linked": [],
+  "access": "public",
+  "baseBranch": "main",
+  "updateInternalDependencies": "patch",
+  "ignore": []
+}

.changeset/sync-tooling.md

@@ -0,0 +1,5 @@
+---
+"@marko/testing-library": patch
+---
+
+Modernize tooling to match marko-js/prettier: ESLint flat config, Prettier 3, Husky 9, changesets, rolldown for bundling, and Vitest (jsdom + node projects via @marko/vite) for testing. Upgrade dependencies to latest (Marko 5, jsdom 29, @testing-library/jest-dom 6, TypeScript 6, etc.).

.github/dependabot.yml

@@ -0,0 +1,20 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly
+    groups:
+      all:
+        patterns: ["*"]
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: monthly
+    groups:
+      minor:
+        patterns: ["*"]
+        update-types: ["minor", "patch"]
+      major:
+        patterns: ["*"]
+        update-types: ["major"]

.github/workflows/ci.yml

@@ -2,32 +2,83 @@ name: CI
 
 on:
   pull_request:
-    paths-ignore: ["**.md"]
+    types: [opened, synchronize]
   push:
-    branches: ["main"]
-    paths-ignore: ["**.md"]
+    branches: [main]
+
+concurrency:
+  group: "${{ github.workflow }}-${{ github.head_ref || github.ref }}"
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
 
 jobs:
   build:
     runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+      - name: Install node
+        id: node
+        uses: actions/setup-node@v6
+        with:
+          node-version: lts/*
+          cache: npm
+      - name: Install packages (node@${{ steps.node.outputs.node-version }})
+        run: npm ci
+      - name: Run build
+        run: npm run @ci:build
+      - name: Run lint
+        run: npm run @ci:lint
+  test:
+    runs-on: ${{ matrix.os }}
+    name: "test: node ${{ matrix.node }} on ${{ matrix.os }}"
     strategy:
+      fail-fast: false
       matrix:
-        node: [20.x, 22.x, 24.x]
+        os: [ubuntu-latest, windows-latest]
+        node: [lts/*, lts/-1, lts/-2]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
-      - name: Use node@${{ matrix.node }}
-        uses: actions/setup-node@v2
+        uses: actions/checkout@v6
+      - name: Install node
+        id: node
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node }}
-      - name: Install dependencies
+          cache: npm
+      - name: Install packages (node@${{ steps.node.outputs.node-version }})
         run: npm ci
-      - name: Lint code
-        run: npm run lint
       - name: Run tests
-        run: npm run ci:test
-      - name: Report code coverage
-        uses: codecov/codecov-action@v5
+        run: npm run @ci:test
+      - name: Report coverage
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           slug: marko-js/testing-library
+  release:
+    runs-on: ubuntu-latest
+    needs: [build, test]
+    if: "${{ github.repository_owner == 'marko-js' && github.event_name == 'push' }}"
+    permissions:
+      id-token: write
+      contents: write
+      pull-requests: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+      - name: Install node
+        id: node
+        uses: actions/setup-node@v6
+        with:
+          node-version: lts/*
+          cache: npm
+      - name: Install packages (node@${{ steps.node.outputs.node-version }})
+        run: npm ci
+      - name: Run release
+        uses: changesets/action@v1
+        with:
+          version: npm run @ci:version
+          publish: npm run @ci:release
+          commit: "[ci] release"
+          title: "[ci] release"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -1,18 +1,8 @@
-# Editor
-*.sublime*
 .vscode
-
-# OSX
+*.actual*
 *.DS_Store
-
-# NPM
-node_modules
-npm-debug.log
-
-# Build
-dist
 *.tsbuildinfo
-
-# Coverage
 coverage
-.nyc_output
+dist
+node_modules
+npm-debug.log

.husky/pre-commit

@@ -1,4 +1 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
-npx --no-install lint-staged
+npm exec lint-staged

.lintstagedrc.json

@@ -1,4 +1,4 @@
 {
-  "*.ts": ["eslint -f codeframe --fix", "prettier --write"],
+  "*{.ts,.mjs}": ["eslint --fix", "prettier --write"],
   "*{.js,.json,.md,.yml,rc}": ["prettier --write"]
 }

.prettierignore

@@ -1,9 +1,4 @@
-.vscode
-.nyc_output
-package.json
 package-lock.json
-CHANGELOG.md
-node_modules
 coverage
 dist
-__snapshots__
+__snapshots__

.prettierrc.json

@@ -1,10 +1,4 @@
 {
-  "overrides": [
-    {
-      "files": "*rc",
-      "options": {
-        "parser": "json"
-      }
-    }
-  ]
+  "$schema": "https://json.schemastore.org/prettierrc",
+  "plugins": ["prettier-plugin-packagejson"]
 }