Ensure search param is kept in scrolled commit

Issue: https://gitlab.com/gitlab-org/gitlab/-/issues/24551

app/assets/javascripts/pager.js

@@ -16,7 +16,6 @@ export default {
     callback = $.noop,
     container = '',
   ) {
-    this.url = $('.content_list').data('href') || removeParams(['limit', 'offset']);
     this.limit = limit;
     this.offset = parseInt(getParameterByName('offset'), 10) || this.limit;
     this.disable = disable;
@@ -32,8 +31,10 @@ export default {
 
   getOld() {
     this.loading.show();
+    const url = $('.content_list').data('href') || removeParams(['limit', 'offset']);
+
     axios
-      .get(this.url, {
+      .get(url, {
         params: {
           limit: this.limit,
           offset: this.offset,

changelogs/unreleased/24551-keep-search-param-in-commit-scroll.yml

+---
+title: Ensure search param is kept in scrolled commit
+merge_request: 57307
+author:
+type: fixed

spec/frontend/pager_spec.js

@@ -32,38 +32,12 @@ describe('pager', () => {
       window.history.replaceState({}, null, originalHref);
     });
 
-    it('should use data-href attribute from list element', () => {
-      const href = `${TEST_HOST}/some_list.json`;
-      setFixtures(`<div class="content_list" data-href="${href}"></div>`);
-      Pager.init();
-
-      expect(Pager.url).toBe(href);
-    });
-
-    it('should use current url if data-href attribute not provided', () => {
-      const href = `${TEST_HOST}/some_list`;
-      removeParams.mockReturnValue(href);
-      Pager.init();
-
-      expect(Pager.url).toBe(href);
-    });
-
     it('should get initial offset from query parameter', () => {
       window.history.replaceState({}, null, '?offset=100');
       Pager.init();
 
       expect(Pager.offset).toBe(100);
     });
-
-    it('keeps extra query parameters from url', () => {
-      window.history.replaceState({}, null, '?filter=test&offset=100');
-      const href = `${TEST_HOST}/some_list?filter=test`;
-      removeParams.mockReturnValue(href);
-      Pager.init();
-
-      expect(removeParams).toHaveBeenCalledWith(['limit', 'offset']);
-      expect(Pager.url).toEqual(href);
-    });
   });
 
   describe('getOld', () => {
@@ -164,5 +138,50 @@ describe('pager', () => {
         done();
       });
     });
+
+    describe('has data-href attribute from list element', () => {
+      const href = `${TEST_HOST}/some_list.json`;
+
+      beforeEach(() => {
+        setFixtures(`<div class="content_list" data-href="${href}"></div>`);
+      });
+
+      it('should use data-href attribute', () => {
+        Pager.getOld();
+
+        expect(axios.get).toHaveBeenCalledWith(href, expect.any(Object));
+      });
+
+      it('should not use current url', () => {
+        Pager.getOld();
+
+        expect(removeParams).not.toHaveBeenCalled();
+        expect(removeParams).not.toHaveBeenCalledWith(href);
+      });
+    });
+
+    describe('no data-href attribute attribute provided from list element', () => {
+      beforeEach(() => {
+        setFixtures(`<div class="content_list"></div>`);
+      });
+
+      it('should use current url', () => {
+        const href = `${TEST_HOST}/some_list`;
+        removeParams.mockReturnValue(href);
+        Pager.getOld();
+
+        expect(axios.get).toHaveBeenCalledWith(href, expect.any(Object));
+      });
+
+      it('keeps extra query parameters from url', () => {
+        window.history.replaceState({}, null, '?filter=test&offset=100');
+        const href = `${TEST_HOST}/some_list?filter=test`;
+        removeParams.mockReturnValue(href);
+        Pager.getOld();
+
+        expect(removeParams).toHaveBeenCalledWith(['limit', 'offset']);
+        expect(axios.get).toHaveBeenCalledWith(href, expect.any(Object));
+      });
+    });
   });
 });