dont ship blanks in clientcontext

Author: swyxio

lib/serve.js

@@ -77,12 +77,14 @@ function createHandler(dir, static) {
     };
 
     var callback = createCallback(response);
+    
+    // inject a client context based on auth header https://github.com/netlify/netlify-lambda/pull/57
     let clientContext = {}
     if (request.headers['authorization']) {
       const parts = request.headers['authorization'].split(' ')
       if (parts.length === 2 && parts[0] === 'Bearer') {
         clientContext = {
-          identity: { url: '', token: '' },
+          identity: { url: 'NETLIFY_LAMBDA_LOCALLY_EMULATED_IDENTITY_URL', token: 'NETLIFY_LAMBDA_LOCALLY_EMULATED_IDENTITY_TOKEN' },
           user: jwtDecode(parts[1])
         }
       }