1 files changed, 92 insertions, 0 deletions
diff --git a/frontend/lib/initApollo-OLD.js b/frontend/lib/initApollo-OLD.js
new file mode 100644
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+++ b/frontend/lib/initApollo-OLD.js
@@ -0,0 +1,92 @@
+import { ApolloClient } from 'apollo-client';
+import { ApolloLink, from } from 'apollo-link';
+import { HttpLink } from 'apollo-link-http';
+import { InMemoryCache } from 'apollo-cache-inmemory';
+import fetch from 'isomorphic-fetch';
+import { withClientState } from 'apollo-link-state';
+import { endpoint } from '../config';
+
+let apolloClient = null;
+
+// Polyfill fetch() on the server (used by apollo-client)
+if (!process.browser) {
+  global.fetch = fetch;
+}
+
+function create(initialState) {
+  // Create a new Cache
+  const cache = new InMemoryCache().restore(initialState || {});
+  // First we create three peices of middleware
+  const stateLink = withClientState({
+    cache,
+    defaults: {
+      uiData: {
+        __typename: 'UIData',
+        isConnected: true,
+        isCartOpen: false,
+      },
+    },
+    resolvers: {
+      Mutation: {
+        setLocalData: (_, values, { cache }) => {
+          const data = {
+            uiData: {
+              __typename: 'UIData',
+              ...values,
+            },
+          };
+          cache.writeData({ data });
+          return null;
+        },
+      },
+    },
+  });
+
+  // 1. Create a link for local state to be managed in Apollo
+
+  // 2. connect to our GraphQL API
+  const httpLink = new HttpLink({
+    uri: endpoint, // Server URL (must be absolute)
+    opts: {
+      credentials: 'same-origin',
+    },
+  });
+
+  // 3. One to tack on our auth token on each request
+  const authMiddleware = new ApolloLink((operation, forward) => {
+    const headers = {};
+
+    if (typeof localStorage !== 'undefined' && localStorage.getItem('token')) {
+      headers.authorization = `Bearer ${localStorage.getItem('token')}`;
+    }
+
+    operation.setContext({ headers });
+    return forward(operation);
+  });
+
+  return new ApolloClient({
+    connectToDevTools: process.browser,
+    ssrMode: !process.browser, // Disables forceFetch on the server (so queries are only run once)
+    link: from([stateLink, authMiddleware, httpLink]),
+    cache,
+    defaultOptions: {
+      query: { errorPolicy: 'all' },
+      mutate: { errorPolicy: 'all' },
+    },
+  });
+}
+
+export default function initApollo(initialState) {
+  // Make sure to create a new client for every server-side request so that data
+  // isn't shared between connections (which would be bad)
+  if (!process.browser) {
+    return create(initialState);
+  }
+
+  // Reuse client on the client-side
+  if (!apolloClient) {
+    apolloClient = create(initialState);
+  }
+
+  return apolloClient;
+}