fix: warn on missing optional peer deps during build

vitejs · Jan 29, 2024 · c9d03eb · c9d03eb
1 parent 997a695
commit c9d03eb
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/packages/vite/src/node/plugins/resolve.ts b/packages/vite/src/node/plugins/resolve.ts
@@ -456,10 +456,13 @@ export default new Proxy({}, {
         }
       }
       if (id.startsWith(optionalPeerDepId)) {
+        const [, peerDep, parentDep] = id.split(':')
         if (isProduction) {
+          this.warn(
+            `Could not resolve "${peerDep}" imported by "${parentDep}". Is it installed?`,
+          )
           return `export default {}`
         } else {
-          const [, peerDep, parentDep] = id.split(':')
           return `throw new Error(\`Could not resolve "${peerDep}" imported by "${parentDep}". Is it installed?\`)`
         }
       }