Add type checking script and build step from clients

.github/workflows/test.yml

@@ -44,5 +44,11 @@ jobs:
       - name: Install Node dependencies
         run: npm ci
 
+      # We use isolatedModules: true which disables typechecking in tests
+      # Tests in apps/ are typechecked when their app is built, so we just do it here for libs/
+      # See https://bitwarden.atlassian.net/browse/EC-497
+      - name: Run typechecking
+        run: npm run test:types --coverage
+
       - name: Run tests
         run: npm run test

package.json

@@ -66,7 +66,8 @@
     "prepare": "husky install",
     "test": "jest",
     "test:watch": "jest --watch",
-    "test:watch:all": "jest --watchAll"
+    "test:watch:all": "jest --watchAll",
+    "test:types": "node ./scripts/test-types.js"
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "15.2.9",

scripts/test-types.js

@@ -0,0 +1,29 @@
+const concurrently = require("concurrently");
+const path = require("path");
+const fs = require("fs");
+
+function getFiles(dir) {
+  results = [];
+  fs.readdirSync(dir).forEach((file) => {
+    file = path.join(dir, file);
+    const stat = fs.statSync(file);
+    if (stat && stat.isDirectory()) {
+      results = results.concat(getFiles(file));
+    } else {
+      results.push(file);
+    }
+  });
+  return results;
+}
+
+const files = getFiles(path.join(__dirname, "../src", "../jslib")).filter((file) => {
+  const name = path.basename(file);
+  return name === "tsconfig.json";
+});
+
+concurrently(
+  files.map((file) => ({
+    name: path.basename(path.dirname(file)),
+    command: `npx tsc --noEmit --project ${file}`,
+  }))
+);