Install Chromium for Playwright in CI

Author: kateinoigakukun

.github/workflows/swift.yml

@@ -47,7 +47,7 @@ jobs:
       - name: Install dependencies for macOS
         run: brew bundle
 
-      - run: npm install
+      - run: npm install && npx playwright install chromium
 
       - name: Build the project
         run: swift build --build-tests
@@ -91,7 +91,7 @@ jobs:
           sudo apt-get update && sudo apt-get install -y
           wabt binaryen
 
-      - run: npm install
+      - run: npm install && npx playwright install chromium
 
       - name: Install WebAssembly runtime
         uses: bytecodealliance/actions/wasmtime/setup@v1

Sources/CartonHelpers/StaticArchive.swift

@@ -218,7 +218,11 @@ export async function testBrowser(instantiate: Instantiate, wasmFileName: string
       return await import("playwright")
     } catch {
       // Playwright is not available in the current environment
-      console.error("Playwright is not available in the current environment. Please install it by running `npm install playwright`.");
+      console.error(`Playwright is not available in the current environment.
+Please run the following command to install it:
+
+    $ npm install playwright && npx playwright install chromium
+`);
       process.exit(1);
     }
   })();