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graphiql.go
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graphiql.go
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package gql
import (
"net/http"
"text/template"
)
// HTTP handler for Graphiql (GUI for making graphql requests)
func graphiql(httpPort int) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
t := template.Must(template.New("graphiql").Parse(`
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/graphiql/0.11.10/graphiql.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/1.1.0/fetch.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.5.4/react.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.5.4/react-dom.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/graphiql/0.11.10/graphiql.js"></script>
<script src="//unpkg.com/subscriptions-transport-ws@0.8.3/browser/client.js"></script>
<script src="//unpkg.com/graphiql-subscriptions-fetcher@0.0.2/browser/client.js"></script>
</head>
<body style="width: 100%; height: 100%; margin: 0; overflow: hidden;">
<div id="graphiql" style="height: 100vh;">Loading...</div>
<script>
function graphQLFetcher(graphQLParams) {
return fetch("/graphql/query", {
method: "post",
body: JSON.stringify(graphQLParams),
credentials: "include",
}).then(function (response) {
return response.text();
}).then(function (responseBody) {
try {
return JSON.parse(responseBody);
} catch (error) {
return responseBody;
}
});
}
var subscriptionsClient = new window.SubscriptionsTransportWs.SubscriptionClient('ws://localhost:{{ . }}/graphql', { reconnect: true });
var subscriptionsFetcher = window.GraphiQLSubscriptionsFetcher.graphQLFetcher(subscriptionsClient, graphQLFetcher);
ReactDOM.render(
React.createElement(GraphiQL, {fetcher: subscriptionsFetcher}),
document.getElementById("graphiql")
);
</script>
</body>
</html>
`))
_ = t.Execute(w, httpPort)
}
}