Graphiql Install 2021 » (RELIABLE)
app.use('/graphiql', graphiqlExpress( endpointURL: '/graphql', subscriptionsEndpoint: 'ws://localhost:4000/subscriptions', query: `# Welcome to GraphiQL query GetUser($id: ID!) user(id: $id) name email
To install GraphQL Playground as an alternative: graphiql install
`, variables: JSON.stringify( id: "123" ), headers: JSON.stringify( Authorization: "Bearer token" ), editorTheme: "dark" )); graphiqlExpress( endpointURL: '/graphql'