Improve invoices app loading strategy (#253)

* Invoices: Remove initial loading spinner and postpone NotifyReady event

* Remove graphql provider

* Remove unused Loader component

.changeset/dirty-olives-search.md

@@ -0,0 +1,5 @@
+---
+"saleor-app-invoices": minor
+---
+
+App no longer shows initial loading spinner. It renders nothing until initial required data (channels) are fetched. When this happens, AppBridge informs Dashboard (via NotifyReady action) that it can be displayed.

.changeset/perfect-zoos-notice.md

@@ -0,0 +1,5 @@
+---
+"saleor-app-invoices": patch
+---
+
+Removed frontend GraphQL provider, because no frontend queries are used

apps/invoices/src/modules/app-configuration/ui/channels-configuration.tsx

@@ -7,7 +7,6 @@ import { AddressForm } from "./address-form";
 import { ChannelsList } from "./channels-list";
 import { actions, useAppBridge } from "@saleor/app-sdk/app-bridge";
 import { AppColumnsLayout } from "../../ui/app-columns-layout";
-import { Loader } from "../../ui/loader";
 
 const useStyles = makeStyles((theme) => {
   return {
@@ -60,7 +59,7 @@ export const ChannelsConfiguration = () => {
   }, [channels.data, activeChannelSlug]);
 
   if (channels.isLoading || !channels.data) {
-    return <Loader />;
+    return null;
   }
 
   if (!activeChannel) {

apps/invoices/src/modules/ui/loader.tsx

@@ -1,21 +0,0 @@
-import { CircularProgress } from "@material-ui/core";
-import { makeStyles } from "@saleor/macaw-ui";
-
-const useStyles = makeStyles({
-  root: {
-    display: "flex",
-    alignItems: "center",
-    justifyContent: "center",
-    height: 300,
-  },
-});
-
-export const Loader = () => {
-  const styles = useStyles();
-
-  return (
-    <div className={styles.root}>
-      <CircularProgress color="primary" />
-    </div>
-  );
-};

apps/invoices/src/pages/_app.tsx

@@ -4,8 +4,6 @@ import { AppBridge, AppBridgeProvider } from "@saleor/app-sdk/app-bridge";
 import { RoutePropagator } from "@saleor/app-sdk/app-bridge/next";
 import React, { useEffect } from "react";
 import { AppProps } from "next/app";
-
-import GraphQLProvider from "../providers/GraphQLProvider";
 import { ThemeSynchronizer } from "../lib/theme-synchronizer";
 import { NoSSRWrapper } from "../lib/no-ssr-wrapper";
 import { trpcClient } from "../modules/trpc/trpc-client";
@@ -15,7 +13,8 @@ import { MacawThemeProvider } from "@saleor/apps-shared";
  * Ensure instance is a singleton.
  * TODO: This is React 18 issue, consider hiding this workaround inside app-sdk
  */
-export const appBridgeInstance = typeof window !== "undefined" ? new AppBridge() : undefined;
+export const appBridgeInstance =
+  typeof window !== "undefined" ? new AppBridge({ autoNotifyReady: false }) : undefined;
 
 function NextApp({ Component, pageProps }: AppProps) {
   /**
@@ -31,13 +30,11 @@ function NextApp({ Component, pageProps }: AppProps) {
   return (
     <NoSSRWrapper>
       <AppBridgeProvider appBridgeInstance={appBridgeInstance}>
-        <GraphQLProvider>
         <MacawThemeProvider>
           <ThemeSynchronizer />
           <RoutePropagator />
           <Component {...pageProps} />
         </MacawThemeProvider>
-        </GraphQLProvider>
       </AppBridgeProvider>
     </NoSSRWrapper>
   );

apps/invoices/src/pages/configuration.tsx

@@ -9,16 +9,15 @@ const ConfigurationPage: NextPage = () => {
   const channels = trpcClient.channels.fetch.useQuery();
   const router = useRouter();
 
-  const { appBridge } = useAppBridge();
+  const { appBridge, appBridgeState } = useAppBridge();
 
-  const openInNewTab = (url: string) => {
-    appBridge?.dispatch(
-      actions.Redirect({
-        to: url,
-        newContext: true,
-      })
-    );
-  };
+  useEffect(() => {
+    if (channels.isFetched && appBridge && !appBridgeState?.ready) {
+      if (appBridge && channels.isFetched) {
+        appBridge.dispatch(actions.NotifyReady());
+      }
+    }
+  }, [channels.isFetched, appBridge, appBridgeState?.ready]);
 
   useEffect(() => {
     if (channels.isSuccess && channels.data.length === 0) {

apps/invoices/src/pages/index.tsx

@@ -4,7 +4,6 @@ import { useEffect } from "react";
 import { useIsMounted } from "usehooks-ts";
 import { useRouter } from "next/router";
 import { isInIframe } from "@saleor/apps-shared";
-import { Loader } from "../modules/ui/loader";
 
 const IndexPage: NextPage = () => {
   const { appBridgeState } = useAppBridge();
@@ -18,7 +17,7 @@ const IndexPage: NextPage = () => {
   }, [isMounted, appBridgeState?.ready]);
 
   if (isInIframe()) {
-    return <Loader />;
+    return null;
   }
 
   return (

apps/invoices/src/providers/GraphQLProvider.tsx

@@ -1,21 +0,0 @@
-import { useAppBridge } from "@saleor/app-sdk/app-bridge";
-import { PropsWithChildren } from "react";
-import { Provider } from "urql";
-
-import { createClient } from "../lib/graphql";
-
-function GraphQLProvider(props: PropsWithChildren<{}>) {
-  const { appBridgeState } = useAppBridge();
-
-  if (!appBridgeState?.saleorApiUrl) {
-    return <div {...props}></div>;
-  }
-
-  const client = createClient(appBridgeState?.saleorApiUrl, async () =>
-    Promise.resolve({ token: appBridgeState?.token! })
-  );
-
-  return <Provider value={client} {...props} />;
-}
-
-export default GraphQLProvider;