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2026-06-24 14:20:05 +02:00
commit 1c859d20c8
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+import { HttpLink } from '@apollo/client'
+import { ApolloClient, InMemoryCache } from '@apollo/client'
+
+// This is the client-side client
+export const apollo = new ApolloClient({
+  link: new HttpLink({
+    uri: process.env.NODE_ENV == 'production' ? 'https://litreddit-backend.elliot-at-zuri.ch/graphql' : process.env.NEXT_PUBLIC_BACKEND_URI,
+    credentials: 'include', // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Credentials
+  }),
+  cache: new InMemoryCache({
+    typePolicies: {
+      Query: {
+        fields: {
+          // https://www.apollographql.com/docs/react/pagination/core-api/
+          posts: {
+            // Don't cache separate results based on
+            // any of this field's arguments.
+            keyArgs: false,
+
+            // Concatenate the incoming list items with
+            // the existing list items.
+            merge: (existing: { __ref: string }[] = [], incoming: { __ref: string }[]) => {
+              const cacheItems: typeof existing = JSON.parse(JSON.stringify(existing))
+              const refs = existing.map(e => e.__ref)
+              for (let i = 0;i < incoming.length;i++) {
+                if (!refs.includes(incoming[i].__ref)) {
+                  cacheItems.push(incoming[i])
+                  refs.push(incoming[i].__ref)
+                }
+              }
+              return cacheItems
+            },
+          }
+        }
+      }
+    }
+  }),
+})