refactor: moving items around into related files/packages

2022-11-23 13:51:55 -07:00
parent bbb45c8854
commit 7315759b20
23 changed files with 1320 additions and 1097 deletions
--- a/pkg/gql/graphiql/playground.go
+++ b/pkg/gql/graphiql/playground.go
@@ -0,0 +1,120 @@
+package graphiql
+
+import (
+	"html/template"
+	"net/http"
+	"net/url"
+)
+
+var page = template.Must(template.New("graphiql").Parse(`<!DOCTYPE html>
+<html>
+  <head>
+  	<meta charset="utf-8">
+  	<title>{{.title}}</title>
+	<style>
+		body {
+			height: 100%;
+			margin: 0;
+			width: 100%;
+			overflow: hidden;
+		}
+
+		#graphiql {
+			height: 100vh;
+		}
+	</style>
+	<script
+		src="https://cdn.jsdelivr.net/npm/react@{{.reactVersion}}/umd/react.production.min.js"
+		integrity="{{.reactSRI}}"
+		crossorigin="anonymous"
+	></script>
+	<script
+		src="https://cdn.jsdelivr.net/npm/react-dom@{{.reactVersion}}/umd/react-dom.production.min.js"
+		integrity="{{.reactDOMSRI}}"
+		crossorigin="anonymous"
+	></script>
+    <link
+		rel="stylesheet"
+		href="https://cdn.jsdelivr.net/npm/graphiql@{{.version}}/graphiql.min.css"
+		x-integrity="{{.cssSRI}}"
+		crossorigin="anonymous"
+	/>
+  </head>
+  <body>
+    <div id="graphiql">Loading...</div>
+
+	<script
+		src="https://cdn.jsdelivr.net/npm/graphiql@{{.version}}/graphiql.min.js"
+		x-integrity="{{.jsSRI}}"
+		crossorigin="anonymous"
+	></script>
+
+    <script>
+{{- if .endpointIsAbsolute}}
+      const url = {{.endpoint}};
+      const subscriptionUrl = {{.subscriptionEndpoint}};
+{{- else}}
+      const url = location.protocol + '//' + location.host + {{.endpoint}};
+      const wsProto = location.protocol == 'https:' ? 'wss:' : 'ws:';
+      const subscriptionUrl = wsProto + '//' + location.host + {{.endpoint}};
+{{- end}}
+
+      const fetcher = GraphiQL.createFetcher({ url, subscriptionUrl });
+      ReactDOM.render(
+        React.createElement(GraphiQL, {
+          fetcher: fetcher,
+          isHeadersEditorEnabled: true,
+          shouldPersistHeaders: true
+        }),
+        document.getElementById('graphiql'),
+      );
+    </script>
+  </body>
+</html>
+`))
+
+// Handler responsible for setting up the playground
+func Handler(title string, endpoint string) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Add("Content-Type", "text/html; charset=UTF-8")
+		err := page.Execute(w, map[string]interface{}{
+			"title":                title,
+			"endpoint":             endpoint,
+			"endpointIsAbsolute":   endpointHasScheme(endpoint),
+			"subscriptionEndpoint": getSubscriptionEndpoint(endpoint),
+			"version":              "2.0.13",
+			"reactVersion":         "17.0.2",
+			"cssSRI":               "sha256-qKvndYgkAMQOBoa1SZF9NlbIig+kQ3Fk4f8wlrEqBLw=",
+			"jsSRI":                "sha256-dExtzxjgqXfOgQ94xw079jAjd4dPAFrO2Qz6I3Yd9Ko=",
+			"reactSRI":             "sha256-Ipu/TQ50iCCVZBUsZyNJfxrDk0E2yhaEIz0vqI+kFG8=",
+			"reactDOMSRI":          "sha256-nbMykgB6tsOFJ7OdVmPpdqMFVk4ZsqWocT6issAPUF0=",
+		})
+		if err != nil {
+			panic(err)
+		}
+	}
+}
+
+// endpointHasScheme checks if the endpoint has a scheme.
+func endpointHasScheme(endpoint string) bool {
+	u, err := url.Parse(endpoint)
+	return err == nil && u.Scheme != ""
+}
+
+// getSubscriptionEndpoint returns the subscription endpoint for the given
+// endpoint if it is parsable as a URL, or an empty string.
+func getSubscriptionEndpoint(endpoint string) string {
+	u, err := url.Parse(endpoint)
+	if err != nil {
+		return ""
+	}
+
+	switch u.Scheme {
+	case "https":
+		u.Scheme = "wss"
+	default:
+		u.Scheme = "ws"
+	}
+
+	return u.String()
+}