Fix flowtype checks

yarnpkg · Oct 22, 2016 · b18825a · b18825a
1 parent aae4041
commit b18825a
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/registries/npm-registry.js b/src/registries/npm-registry.js
@@ -58,7 +58,10 @@ export default class NpmRegistry extends Registry {
 
     const headers = {};
     if (this.token || (alwaysAuth && requestUrl.startsWith(registry))) {
-      headers.authorization = this.getAuth(pathname);
+      const authorization = this.getAuth(pathname);
+      if (authorization) {
+        headers.authorization = authorization;
+      }
     }
 
     return this.requestManager.request({
@@ -148,7 +151,7 @@ export default class NpmRegistry extends Registry {
     return DEFAULT_REGISTRY;
   }
 
-  getAuth(packageName: string): string {
+  getAuth(packageName: string): ?string {
     if (this.token) {
       return this.token;
     }