1package handler
2
3import (
4 "html/template"
5 "net/http"
6)
7
8var page = template.Must(template.New("graphiql").Parse(`<!DOCTYPE html>
9<html>
10<head>
11 <meta charset=utf-8/>
12 <meta name="viewport" content="user-scalable=no, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, minimal-ui">
13 <link rel="shortcut icon" href="https://graphcool-playground.netlify.com/favicon.png">
14 <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/graphql-playground-react@{{ .version }}/build/static/css/index.css"
15 integrity="{{ .cssSRI }}" crossorigin="anonymous"/>
16 <link rel="shortcut icon" href="https://cdn.jsdelivr.net/npm/graphql-playground-react@{{ .version }}/build/favicon.png"
17 integrity="{{ .faviconSRI }}" crossorigin="anonymous"/>
18 <script src="https://cdn.jsdelivr.net/npm/graphql-playground-react@{{ .version }}/build/static/js/middleware.js"
19 integrity="{{ .jsSRI }}" crossorigin="anonymous"></script>
20 <title>{{.title}}</title>
21</head>
22<body>
23<style type="text/css">
24 html { font-family: "Open Sans", sans-serif; overflow: hidden; }
25 body { margin: 0; background: #172a3a; }
26</style>
27<div id="root"/>
28<script type="text/javascript">
29 window.addEventListener('load', function (event) {
30 const root = document.getElementById('root');
31 root.classList.add('playgroundIn');
32 const wsProto = location.protocol == 'https:' ? 'wss:' : 'ws:'
33 GraphQLPlayground.init(root, {
34 endpoint: location.protocol + '//' + location.host + '{{.endpoint}}',
35 subscriptionsEndpoint: wsProto + '//' + location.host + '{{.endpoint }}',
36 settings: {
37 'request.credentials': 'same-origin'
38 }
39 })
40 })
41</script>
42</body>
43</html>
44`))
45
46func Playground(title string, endpoint string) http.HandlerFunc {
47 return func(w http.ResponseWriter, r *http.Request) {
48 w.Header().Add("Content-Type", "text/html")
49 err := page.Execute(w, map[string]string{
50 "title": title,
51 "endpoint": endpoint,
52 "version": "1.7.20",
53 "cssSRI": "sha256-cS9Vc2OBt9eUf4sykRWukeFYaInL29+myBmFDSa7F/U=",
54 "faviconSRI": "sha256-GhTyE+McTU79R4+pRO6ih+4TfsTOrpPwD8ReKFzb3PM=",
55 "jsSRI": "sha256-4QG1Uza2GgGdlBL3RCBCGtGeZB6bDbsw8OltCMGeJsA=",
56 })
57 if err != nil {
58 panic(err)
59 }
60 }
61}