use std::collections::HashMap; use serde::Serialize; // From async-graphql-2.5.7/src/http/playground_source.rs /// Generate the page for GraphQL Playground /// /// # Example /// /// ```rust /// use async_graphql::http::*; /// /// playground_source(GraphQLPlaygroundConfig::new("http://localhost:8000")); /// ``` #[allow(clippy::too_many_lines)] #[must_use] pub fn playground_source(config: GraphQLPlaygroundConfig) -> String { r##" GraphQL Playground
Loading GraphQL Playground
"##.replace("GRAPHQL_PLAYGROUND_CONFIG", &match serde_json::to_string(&config) { Ok(str) => str, Err(_) => "{}".to_string() }) } /// Config for GraphQL Playground #[derive(Serialize)] #[serde(rename_all = "camelCase")] pub struct GraphQLPlaygroundConfig<'a> { endpoint: &'a str, subscription_endpoint: Option<&'a str>, headers: Option>, } impl<'a> GraphQLPlaygroundConfig<'a> { /// Create a config for GraphQL playground. pub fn new(endpoint: &'a str) -> Self { Self { endpoint, subscription_endpoint: None, headers: Default::default(), } } /// Set subscription endpoint, for example: `ws://localhost:8000`. pub fn subscription_endpoint(mut self, endpoint: &'a str) -> Self { self.subscription_endpoint = Some(endpoint); self } /// Set HTTP header for per query. pub fn with_header(mut self, name: &'a str, value: &'a str) -> Self { if let Some(headers) = &mut self.headers { headers.insert(name, value); } else { let mut headers = HashMap::new(); headers.insert(name, value); self.headers = Some(headers); } self } }