fix: address code smells in examples and README

- Remove process.exit() from crawl example, use if/else instead
- Fix non-null assertion in crawl example
- Fix undefined variable references in README crawl section
- Use consistent example.com URLs across all examples

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: FrancescoSaverioZuppichini

README.md

@@ -144,12 +144,12 @@ const start = await crawl.start("key", {
 });
 
 // Check status
-const status = await crawl.get("key", start.data.id);
+const status = await crawl.get("key", start.data?.id!);
 
-// Control
-await crawl.stop("key", id);
-await crawl.resume("key", id);
-await crawl.delete("key", id);
+// Control crawl by ID
+await crawl.stop("key", start.data?.id!);
+await crawl.resume("key", start.data?.id!);
+await crawl.delete("key", start.data?.id!);
 ```
 
 ### monitor

examples/crawl/crawl_basic.ts

@@ -8,14 +8,13 @@ const startRes = await crawl.start(apiKey, {
 	maxDepth: 2,
 });
 
-if (startRes.status !== "success") {
+if (startRes.status !== "success" || !startRes.data) {
 	console.error("Failed to start:", startRes.error);
-	process.exit(1);
-}
-
-console.log("Crawl started:", startRes.data?.id);
-console.log("Status:", startRes.data?.status);
+} else {
+	console.log("Crawl started:", startRes.data.id);
+	console.log("Status:", startRes.data.status);
 
-const getRes = await crawl.get(apiKey, startRes.data!.id);
-console.log("\nProgress:", getRes.data?.finished, "/", getRes.data?.total);
-console.log("Pages:", getRes.data?.pages.map((p) => p.url));
+	const getRes = await crawl.get(apiKey, startRes.data.id);
+	console.log("\nProgress:", getRes.data?.finished, "/", getRes.data?.total);
+	console.log("Pages:", getRes.data?.pages.map((p) => p.url));
+}

examples/scrape/scrape_json_extraction.ts

@@ -3,7 +3,7 @@ import { scrape } from "scrapegraph-js";
 const apiKey = process.env.SGAI_API_KEY!;
 
 const res = await scrape(apiKey, {
-	url: "https://scrapegraphai.com",
+	url: "https://example.com",
 	formats: [
 		{
 			type: "json",

examples/scrape/scrape_multi_format.ts

@@ -3,7 +3,7 @@ import { scrape } from "scrapegraph-js";
 const apiKey = process.env.SGAI_API_KEY!;
 
 const res = await scrape(apiKey, {
-	url: "https://scrapegraphai.com",
+	url: "https://example.com",
 	formats: [
 		{ type: "markdown", mode: "reader" },
 		{ type: "html", mode: "prune" },