ci: Add GitHub Actions workflow for typecheck and tests

.github/workflows/ci.yml

@@ -0,0 +1,42 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [main]
+  push:
+    branches: [main]
+
+jobs:
+  typecheck:
+    name: Typecheck
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+
+      - run: pnpm install --frozen-lockfile
+
+      - run: pnpm --filter @errin/mobile typecheck
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+
+      - run: pnpm install --frozen-lockfile
+
+      - run: pnpm --filter @errin/core test

apps/mobile/components/LanguagePairSelector.tsx

@@ -94,7 +94,7 @@ export function LanguagePairSelector() {
             {dictionaries.map((dict) => {
               const langPair: LanguagePair = { sourceLang: dict.sourceLang, targetLang: dict.targetLang };
               const isActive =
-                effectivePair && 
+                !!effectivePair &&
                 effectivePair.sourceLang === dict.sourceLang &&
                 effectivePair.targetLang === dict.targetLang;
               const studiedLang = activePair?.studiedLang ?? dict.targetLang;

apps/mobile/store/settingsSlice.ts

@@ -13,7 +13,7 @@ export interface SettingsSlice {
 
 const DEFAULT_SETTINGS = {
   dailyReviewLimit: 20,
-  lastActivePair: null,
+  lastActivePair: null as LanguagePair | null,
   lookupDirection: 'studied_to_native' as LookupDirection,
 };
 

packages/core/package.json

@@ -9,8 +9,9 @@
     "test": "jest --config jest.config.js"
   },
   "devDependencies": {
-    "@types/jest": "^30.0.0",
-    "jest": "^30.4.2",
+    "@types/jest": "^29.0.0",
+    "@types/node": "^22.0.0",
+    "jest": "^29.0.0",
     "ts-jest": "^29.4.11"
   }
 }

packages/core/tsconfig.json

@@ -7,7 +7,7 @@
     "esModuleInterop": true,
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,
-    "types": ["jest"]
+    "types": ["jest", "node"]
   },
   "include": ["src/**/*"],
   "exclude": ["node_modules"]