Add linting to CI (#74)

- Prettier
 - ESLint

.github/workflows/linting.yml

@@ -0,0 +1,40 @@
+name: Linting
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  lint-eslint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run ESLint
+        run: npm run eslint -- "**/*.js"
+
+  lint-prettier:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run Prettier
+        run: npm run prettier -- --check "**/*.{js,css,md}"

.github/workflows/tests.yaml

@@ -110,6 +110,7 @@ jobs:
         uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
+          cache: 'npm'
 
       - name: Install dependencies
         run: npm ci

.prettierignore

@@ -0,0 +1,2 @@
+node_modules/
+dist/

shared/views/NotEnoughEventsFromDaySummaryTileView.js

@@ -28,8 +28,8 @@ class NotEnoughEventsFromDaySummaryTileView extends TemplateView {
       },
       [
         t.if(
-          (vm) => !!daySummaryMessage,
+          (/*vm*/) => !!daySummaryMessage,
-          (t, vm) =>
+          (t /*, vm*/) =>
             t.p(
               {
                 className: 'NotEnoughEventsFromDaySummaryTileView_summaryMessage',

shared/views/RoomCardView.js

@@ -48,7 +48,7 @@ class RoomCardView extends TemplateView {
             t.view(new AvatarView(avatarViewModel, 24)),
             t.if(
               (vm) => vm.name,
-              (t, vm) =>
+              (t /*, vm*/) =>
                 t.h4(
                   {
                     className: 'RoomCardView_headerTitle',