@shopify/shopify-app-express/dist/esm/middlewares/has-valid-access-token.mjs

Shopify Express Middleware - to simplify the building of Shopify Apps with Express

import { HttpResponseError } from '@shopify/shopify-api';

const TEST_GRAPHQL_QUERY = `query shopifyAppShopName {
  shop {
    name
  }
}`;
async function hasValidAccessToken(api, session) {
    try {
        const client = new api.clients.Graphql({ session });
        await client.request(TEST_GRAPHQL_QUERY);
        return true;
    }
    catch (error) {
        if (error instanceof HttpResponseError && error.response.code === 401) {
            // Re-authenticate if we get a 401 response
            return false;
        }
        else {
            throw error;
        }
    }
}

export { hasValidAccessToken };
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