i want to solve this error how to do.....
require('isomorphic-fetch');
const dotenv = require('dotenv');
const koa= require('koa');
const next= require('next');
const { default: createShopifyAuth} = require('@shopify/koa-shopify-auth');
const { verifyRequest} = require('@shopify/koa-shopify-auth');
const { default: shopify,ApiVersion} = require('@shopify/shopify-api');
const Router = require("koa-router");
const {storecallback,loadcallback,deletecallback}=require('./server/database');
dotenv.config();
shopify.Context.initialize({
API_KEY:process.env.SHOPIFY_API_KEY,
API_SECRET_KEY:process.env.SHOPIFY_API_SECRET,
SCOPES:process.env.SHOPIFY_API_SCOPES.split(","),
HOST_NAME:process.env.SHOPIFY_APP_URL.replace(/https:\/\//, ""),
API_VERSION:ApiVersion.October20,
IS_EMBEDDED_APP:true,
SESSION_STORAGE:new shopify.Session.CustomSessionStorage(
storecallback,
loadcallback,
deletecallback
),
})
const port=parseInt(process.env.PORT,10)||3000;
const dev=process.env.NODE_ENV !=='production';
const app= next({dev});
const handle= app.getRequestHandler();
const ACTIVE_SHOPIFY_SHOPS={};
app.prepare().then(() => {
const server = new koa();
const router =new Router();
server.keys =[shopify.Context.API_SECRET_KEY];
server.use(
createShopifyAuth({
afterAuth(ctx){
const {shop,scope}=ctx.state.shopify;
ACTIVE_SHOPIFY_SHOPS[shop]=scope;
if(ACTIVE_SHOPIFY_SHOPS[shop]){
ctx.redirect(`https://${shop}/admin/apps`);
}else{
ctx.redirect(`/?shop=${shop}`);
}
},
}),
);
const handleRequest= async(ctx) => {
await handle(ctx.req,ctx.res);
ctx.respond = false;
ctx.res.statuscode =200;
};
router.get("/",async(ctx)=>{
const shop=ctx.query.shop;
if(ACTIVE_SHOPIFY_SHOPS[shop]===undefined){
ctx.redirect(`/auth?shop=${shop}`);
}else{
await handleRequest(ctx);
}
})
router.get('(.*)',handleRequest);
router.get("(/_next/static/.)",handleRequest);
router.get("/_next/webpack-hmr/",handleRequest);
router.get("(.*)",verifyRequest(),handleRequest);
server.use(router.allowedMethods());
server.use(router.routes());
server.listen(port, () =>{
})
});
