fase(3): crawling module domain and application

src/modules/crawling/domain/value-objects/Url.ts

@@ -0,0 +1,27 @@
+import { ValueObject } from '../../../../shared/domain/ValueObject';
+import { Result, Ok, Err } from '../../../../shared/domain/Result';
+
+interface UrlProps {
+  value: string;
+}
+
+export class Url extends ValueObject<UrlProps> {
+  private constructor(props: UrlProps) {
+    super(props);
+  }
+
+  static create(raw: string): Result<Url, string> {
+    if (!raw || raw.trim().length === 0) {
+      return Err('URL must not be empty');
+    }
+    const trimmed = raw.trim();
+    if (!trimmed.startsWith('http://') && !trimmed.startsWith('https://')) {
+      return Err('URL must start with http:// or https://');
+    }
+    return Ok(new Url({ value: trimmed }));
+  }
+
+  toString(): string {
+    return this.props.value;
+  }
+}