coder · Parkreiner · Oct 17, 2023 · Oct 17, 2023 · Oct 17, 2023 · Parkreiner
diff --git a/site/src/api/queries/appearance.ts b/site/src/api/queries/appearance.ts
@@ -1,21 +1,30 @@
-import { QueryClient } from "react-query";
+import { QueryClient, type UseQueryOptions } from "react-query";
 import * as API from "api/api";
-import { AppearanceConfig } from "api/typesGenerated";
+import { type AppearanceConfig } from "api/typesGenerated";
 import { getMetadataAsJSON } from "utils/metadata";
 
-export const appearance = () => {
+const initialAppearanceData = getMetadataAsJSON<AppearanceConfig>("appearance");
+const appearanceConfigKey = ["appearance"] as const;
+
+export const appearance = (queryClient: QueryClient) => {
   return {
-    queryKey: ["appearance"],
-    queryFn: async () =>
-      getMetadataAsJSON<AppearanceConfig>("appearance") ?? API.getAppearance(),
-  };
+    queryKey: appearanceConfigKey,
+    queryFn: async () => {
+      const cachedData = queryClient.getQueryData(appearanceConfigKey);
+      if (cachedData === undefined && initialAppearanceData !== undefined) {
+        return initialAppearanceData;
+      }
+
+      return API.getAppearance();
+    },
+  } satisfies UseQueryOptions<AppearanceConfig>;
 };
 
 export const updateAppearance = (queryClient: QueryClient) => {
   return {
     mutationFn: API.updateAppearance,
     onSuccess: (newConfig: AppearanceConfig) => {
-      queryClient.setQueryData(["appearance"], newConfig);
+      queryClient.setQueryData(appearanceConfigKey, newConfig);
     },
   };
 };
diff --git a/site/src/api/queries/buildInfo.ts b/site/src/api/queries/buildInfo.ts
@@ -1,11 +1,21 @@
+import { QueryClient, type UseQueryOptions } from "react-query";
+import { type BuildInfoResponse } from "api/typesGenerated";
 import * as API from "api/api";
-import { BuildInfoResponse } from "api/typesGenerated";
 import { getMetadataAsJSON } from "utils/metadata";
 
-export const buildInfo = () => {
+const initialBuildInfoData = getMetadataAsJSON<BuildInfoResponse>("build-info");
+const buildInfoKey = ["buildInfo"] as const;
+
+export const buildInfo = (queryClient: QueryClient) => {
   return {
-    queryKey: ["buildInfo"],
-    queryFn: async () =>
-      getMetadataAsJSON<BuildInfoResponse>("build-info") ?? API.getBuildInfo(),
-  };
+    queryKey: buildInfoKey,
+    queryFn: async () => {
+      const cachedData = queryClient.getQueryData(buildInfoKey);
+      if (cachedData === undefined && initialBuildInfoData !== undefined) {
+        return initialBuildInfoData;
+      }
+
+      return API.getBuildInfo();
+    },
+  } satisfies UseQueryOptions<BuildInfoResponse>;
 };
diff --git a/site/src/api/queries/experiments.ts b/site/src/api/queries/experiments.ts
@@ -1,11 +1,21 @@
 import * as API from "api/api";
-import { Experiments } from "api/typesGenerated";
 import { getMetadataAsJSON } from "utils/metadata";
+import { type Experiments } from "api/typesGenerated";
+import { QueryClient, type UseQueryOptions } from "react-query";
 
-export const experiments = () => {
+const initialExperimentsData = getMetadataAsJSON<Experiments>("experiments");
+const experimentsKey = ["experiments"] as const;
+
+export const experiments = (queryClient: QueryClient) => {
   return {
-    queryKey: ["experiments"],
-    queryFn: async () =>
-      getMetadataAsJSON<Experiments>("experiments") ?? API.getExperiments(),
-  };
+    queryKey: experimentsKey,
+    queryFn: async () => {
+      const cachedData = queryClient.getQueryData(experimentsKey);
+      if (cachedData === undefined && initialExperimentsData !== undefined) {
+        return initialExperimentsData;
+      }
+
+      return API.getExperiments();
+    },
+  } satisfies UseQueryOptions<Experiments>;
 };
diff --git a/site/src/api/queries/users.ts b/site/src/api/queries/users.ts
@@ -1,4 +1,4 @@
-import { QueryClient, QueryOptions } from "react-query";
+import { QueryClient, type UseQueryOptions } from "react-query";
 import * as API from "api/api";
 import {
   AuthorizationRequest,
@@ -11,7 +11,7 @@ import {
 import { getMetadataAsJSON } from "utils/metadata";
 import { getAuthorizationKey } from "./authCheck";
 
-export const users = (req: UsersRequest): QueryOptions<GetUsersResponse> => {
+export const users = (req: UsersRequest): UseQueryOptions<GetUsersResponse> => {
   return {
     queryKey: ["users", req],
     queryFn: ({ signal }) => API.getUsers(req, signal),
@@ -89,12 +89,21 @@ export const authMethods = () => {
   };
 };
 
-export const me = () => {
+const initialMeData = getMetadataAsJSON<User>("user");
+const meKey = ["me"] as const;
+
+export const me = (queryClient: QueryClient) => {
   return {
-    queryKey: ["me"],
-    queryFn: async () =>
-      getMetadataAsJSON<User>("user") ?? API.getAuthenticatedUser(),
-  };
+    queryKey: meKey,
+    queryFn: async () => {
+      const cachedData = queryClient.getQueryData(meKey);
+      if (cachedData === undefined && initialMeData !== undefined) {
+        return initialMeData;
+      }
+
+      return API.getAuthenticatedUser();
+    },
+  } satisfies UseQueryOptions<User>;
 };
 
 export const hasFirstUser = () => {

diff --git a/site/src/components/AuthProvider/AuthProvider.tsx b/site/src/components/AuthProvider/AuthProvider.tsx
@@ -45,7 +45,9 @@ type AuthContextValue = {
 const AuthContext = createContext<AuthContextValue | undefined>(undefined);
 
 export const AuthProvider: FC<PropsWithChildren> = ({ children }) => {
-  const meOptions = me();
+  const queryClient = useQueryClient();
+  const meOptions = me(queryClient);
+
   const userQuery = useQuery(meOptions);
   const authMethodsQuery = useQuery(authMethods());
   const hasFirstUserQuery = useQuery(hasFirstUser());
@@ -54,7 +56,6 @@ export const AuthProvider: FC<PropsWithChildren> = ({ children }) => {
     enabled: userQuery.data !== undefined,
   });
 
-  const queryClient = useQueryClient();
   const loginMutation = useMutation(
     login({ checks: permissionsToCheck }, queryClient),
   );

diff --git a/site/src/components/Dashboard/DashboardProvider.tsx b/site/src/components/Dashboard/DashboardProvider.tsx
@@ -1,4 +1,4 @@
-import { useQuery } from "react-query";
+import { useQuery, useQueryClient } from "react-query";
 import { buildInfo } from "api/queries/buildInfo";
 import { experiments } from "api/queries/experiments";
 import { entitlements } from "api/queries/entitlements";
@@ -30,19 +30,21 @@ interface Appearance {
 interface DashboardProviderValue {
   buildInfo: BuildInfoResponse;
   entitlements: Entitlements;
-  appearance: Appearance;
   experiments: Experiments;
+  appearance: Appearance;
 }
 
 export const DashboardProviderContext = createContext<
   DashboardProviderValue | undefined
 >(undefined);
 
 export const DashboardProvider: FC<PropsWithChildren> = ({ children }) => {
-  const buildInfoQuery = useQuery(buildInfo());
+  const queryClient = useQueryClient();
+  const buildInfoQuery = useQuery(buildInfo(queryClient));
   const entitlementsQuery = useQuery(entitlements());
-  const experimentsQuery = useQuery(experiments());
-  const appearanceQuery = useQuery(appearance());
+  const experimentsQuery = useQuery(experiments(queryClient));
+  const appearanceQuery = useQuery(appearance(queryClient));
+
   const isLoading =
     !buildInfoQuery.data ||
     !entitlementsQuery.data ||

diff --git a/site/src/theme/colors.ts b/site/src/theme/colors.ts
@@ -6,7 +6,8 @@ import { getMetadataAsJSON } from "utils/metadata";
 // so you can just set this to true.
 export const experimentalTheme =
   typeof document !== "undefined" &&
-  getMetadataAsJSON("experiments")?.includes("dashboard_theme");
+  (getMetadataAsJSON<string[]>("experiments")?.includes("dashboard_theme") ??
+    false);
 
 export const colors = {
   white: "hsl(0, 0%, 100%)",

diff --git a/site/src/utils/metadata.ts b/site/src/utils/metadata.ts
@@ -1,18 +1,24 @@
-// eslint-disable-next-line @typescript-eslint/no-explicit-any -- It can be any
-export const getMetadataAsJSON = <T extends Record<string, any>>(
+export const getMetadataAsJSON = <T extends NonNullable<unknown>>(
   property: string,
 ): T | undefined => {
   const appearance = document.querySelector(`meta[property=${property}]`);
+
   if (appearance) {
     const rawContent = appearance.getAttribute("content");
-    try {
-      return JSON.parse(rawContent as string);
-    } catch (ex) {
-      // In development the metadata is always going to be empty throwing this
-      // error
-      if (process.env.NODE_ENV === "production") {
-        console.warn(`Failed to parse ${property} metadata`);
+
+    if (rawContent) {
+      try {
+        return JSON.parse(rawContent);
+      } catch (err) {
+        // In development, the metadata is always going to be empty; error is
+        // only a concern for production
+        if (process.env.NODE_ENV === "production") {
+          console.warn(`Failed to parse ${property} metadata. Error message:`);
+          console.warn(err);
+        }
       }
     }
   }
+
+  return undefined;
 };