Update seller store experience

apps/extension/entrypoints/collector.content.ts

@@ -3,6 +3,7 @@ import {
     supportedProductPlatform,
 } from '../lib/source-parsers.js';
 import type { OzonPageJsonFetcher } from '../lib/ozon-parser.js';
+import type { MarketplacePageStateFetcher } from '../lib/source-parsers.js';
 
 export default defineContentScript({
     matches: [
@@ -72,6 +73,9 @@ export default defineContentScript({
                     supportedProductPlatform() === 'ozon'
                         ? requestOzonPageJson
                         : undefined,
+                    supportedProductPlatform() && supportedProductPlatform() !== 'ozon'
+                        ? requestMarketplacePageState
+                        : undefined,
                 );
                 const response = await browser.runtime.sendMessage({
                     type: 'atlas.collect',
@@ -128,6 +132,23 @@ const requestOzonPageJson: OzonPageJsonFetcher = ({ kind, sku }) =>
         );
     });
 
+const requestMarketplacePageState: MarketplacePageStateFetcher = (platform) =>
+    new Promise((resolve) => {
+        const requestId = crypto.randomUUID();
+        const timeout = window.setTimeout(() => {
+            window.removeEventListener('message', receive);
+            resolve({});
+        }, 3_000);
+        const receive = (event: MessageEvent<unknown>) => {
+            if (event.source !== window || !isMarketplaceStateResponse(event.data, requestId)) return;
+            window.clearTimeout(timeout);
+            window.removeEventListener('message', receive);
+            resolve(event.data.data);
+        };
+        window.addEventListener('message', receive);
+        window.postMessage({ source: 'atlas-collector', type: 'source-page-state.request', requestId, platform }, location.origin);
+    });
+
 function isBridgeResponse(
     value: unknown,
     requestId: string,
@@ -149,3 +170,10 @@ function isBridgeResponse(
         (message.ok || typeof message.error === 'string')
     );
 }
+
+function isMarketplaceStateResponse(value: unknown, requestId: string): value is { source: 'atlas-collector'; type: 'source-page-state.response'; requestId: string; data: unknown } {
+    if (!value || typeof value !== 'object' || Array.isArray(value)) return false;
+    const message = value as Record<string, unknown>;
+    return message.source === 'atlas-collector' && message.type === 'source-page-state.response'
+        && message.requestId === requestId && !!message.data && typeof message.data === 'object';
+}