fix: conditionally require vue and update alias if installed

cypress-io · Apr 15, 2021 · a751e07 · a751e07
1 parent 7ccd4ac
commit a751e07
Showing 1 changed file with 8 additions and 4 deletions.
diff --git a/npm/vite-dev-server/src/startServer.ts b/npm/vite-dev-server/src/startServer.ts
@@ -36,10 +36,14 @@ const resolveServerConfig = async ({ viteConfig, options }: StartDevServer): Pro
   // only cjs compiler-core accepts using prefixIdentifiers in slots which vue test utils use.
   // Could we resolve this usage in test-utils?
   finalConfig.resolve = finalConfig.resolve || {}
-  finalConfig.resolve.alias = {
-    ...finalConfig.resolve.alias,
-    '@vue/compiler-core': resolve(dirname(require.resolve('@vue/compiler-core')), 'dist', 'compiler-core.cjs.js'),
-  },
+  try {
+    finalConfig.resolve.alias = {
+      ...finalConfig.resolve.alias,
+      '@vue/compiler-core': resolve(dirname(require.resolve('@vue/compiler-core')), 'dist', 'compiler-core.cjs.js'),
+    }
+  } catch (e) {
+    // Vue 3 is not installed
+  }
 
   finalConfig.server = finalConfig.server || {}