Introduce testing

.github/actions/setup/action.yml

@@ -0,0 +1,20 @@
+name: "Setup dependencies"
+description: "Prepare repository and all dependencies"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Set up pnpm
+      uses: pnpm/action-setup@v2
+      with:
+          version: 8
+
+    - name: Setup Node.js 20.x
+      uses: actions/setup-node@v3
+      with:
+          node-version: 20.x
+          cache: 'pnpm'
+
+    - name: Install dependencies
+      shell: bash
+      run: pnpm install

.github/workflows/verify.yml

@@ -0,0 +1,53 @@
+name: Verify
+on: push
+
+concurrency:
+  group: '${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
+  cancel-in-progress: true
+
+jobs:
+    lint:
+        name: Lint
+        runs-on: ubuntu-latest
+        timeout-minutes: 5
+
+        steps:
+            - uses: actions/checkout@v3
+
+            - name: Install dependencies
+              uses: ./.github/actions/setup
+
+            - name: Lint code
+              run: pnpm lint
+
+    build:
+        name: Build
+        needs: lint
+        runs-on: ubuntu-latest
+        timeout-minutes: 5
+
+        steps:
+            - uses: actions/checkout@v3
+
+            - name: Install dependencies
+              uses: ./.github/actions/setup
+
+            - name: Build
+              run: pnpm build
+
+    test:
+        name: Test
+        runs-on: ubuntu-latest
+
+        steps:
+            - uses: actions/checkout@v3
+
+            - name: Install dependencies
+              uses: ./.github/actions/setup
+
+            - name: Run tests
+              uses: nick-fields/retry@v2
+              with:
+                  timeout_minutes: 20
+                  max_attempts: 3
+                  command: pnpm test

package.json

@@ -41,7 +41,7 @@
         }
     },
     "scripts": {
-        "test": "echo \"Error: no test specified\" && exit 1",
+        "test": "vitest",
         "build": "tsup",
         "lint": "eslint -c .eslintrc.json --ext .ts ./src",
         "pub": "yarn build && yarn publish --access public"
@@ -50,15 +50,26 @@
     "author": "",
     "license": "LGPL-3.0",
     "peerDependencies": {
+        "react": "^18.2.0",
         "swr": "^2"
     },
     "devDependencies": {
         "@swc/core": "^1.3.67",
+        "@testing-library/react": "^15.0.2",
+        "@types/eventsource": "^1.1.15",
+        "@types/react": "^18.2.79",
         "@typescript-eslint/parser": "^5.61.0",
+        "@vitest/ui": "^1.5.0",
         "eslint": "^8.44.0",
         "eslint-plugin-v3xlabs": "^1.6.1",
+        "eventsource": "^2.0.2",
+        "happy-dom": "^14.7.1",
+        "jsdom": "^24.0.0",
+        "msw": "^2.2.14",
+        "react": "^18.2.0",
         "swr": "^2",
         "tsup": "^7.1.0",
-        "typescript": "^5.1.6"
+        "typescript": "^5.1.6",
+        "vitest": "^1.5.0"
     }
 }