Merge branch 'var-definition-hotfix' into 'master'

add form var definition back

See merge request !1

src/index.ts

@@ -79,6 +79,8 @@ export class GraphQLClient {
                                 // ensure the browser does teh detection of the form data body to set the header correctly
                                 delete headers!['content-type']
 
+                                const form = new FormData();
+
                                 // operations - original graphql request with the files removed
                                 form.append('operations', JSON.stringify({ query, variables: clone }))