feat(备用域名): 新增backupDomain配置支持备份域名 (#71)

test/util/url.test.ts

@@ -12,4 +12,16 @@ describe("setParams", () => {
     sample = url.setParams(sample, { test2: 2 });
     expect(sample).toBe("https://www.example.com?test=1&test2=2");
   });
+
+  test("replace domain with host", () => {
+    let sample = "https://example.com/dosomething";
+    sample = url.replaceDomain(sample, "example2.com");
+    expect(sample).toBe("https://example2.com/dosomething");
+  })
+
+  test("replace domain with origin", () => {
+    let sample = "https://example.com/dosomething";
+    sample = url.replaceDomain(sample, "https://example2.com/");
+    expect(sample).toBe("https://example2.com/dosomething");
+  })
 });