Offcanvas.js: If scroll is allowed, should allow focus on other elements (#33677)

js/tests/unit/offcanvas.spec.js

@@ -220,6 +220,24 @@ describe('Offcanvas', () => {
 
       offCanvas.show()
     })
+
+    it('should not enforce focus if focus scroll is allowed', done => {
+      fixtureEl.innerHTML = '<div class="offcanvas"></div>'
+
+      const offCanvasEl = fixtureEl.querySelector('.offcanvas')
+      const offCanvas = new Offcanvas(offCanvasEl, {
+        scroll: true
+      })
+
+      spyOn(offCanvas, '_enforceFocusOnElement')
+
+      offCanvasEl.addEventListener('shown.bs.offcanvas', () => {
+        expect(offCanvas._enforceFocusOnElement).not.toHaveBeenCalled()
+        done()
+      })
+
+      offCanvas.show()
+    })
   })
 
   describe('toggle', () => {
@@ -328,6 +346,22 @@ describe('Offcanvas', () => {
       expect(instance).not.toBeNull()
       expect(Offcanvas.prototype.show).toHaveBeenCalled()
     })
+
+    it('should enforce focus', done => {
+      fixtureEl.innerHTML = '<div class="offcanvas"></div>'
+
+      const offCanvasEl = fixtureEl.querySelector('.offcanvas')
+      const offCanvas = new Offcanvas(offCanvasEl)
+
+      spyOn(offCanvas, '_enforceFocusOnElement')
+
+      offCanvasEl.addEventListener('shown.bs.offcanvas', () => {
+        expect(offCanvas._enforceFocusOnElement).toHaveBeenCalled()
+        done()
+      })
+
+      offCanvas.show()
+    })
   })
 
   describe('hide', () => {