fix: fix browser back/forward navigation with enabled hash navigation

src/__tests__/hash-includes-navigation-query-params.test.ts

@@ -0,0 +1,45 @@
+import hashIncludesNavigationQueryParams from '../helpers/hash-includes-navigation-query-params'
+
+describe('hashIncludesNavigationQueryParams helper', () => {
+  test('returns true if hash includes both query params: gid and pid', () => {
+    expect(hashIncludesNavigationQueryParams('gid=my-gallery&pid=123')).toBe(
+      true,
+    )
+    expect(
+      hashIncludesNavigationQueryParams('args=1&gid=my-gallery&pid=my-slide'),
+    ).toBe(true)
+    expect(
+      hashIncludesNavigationQueryParams('args=1&gid=321&pid=my-slide'),
+    ).toBe(true)
+    expect(hashIncludesNavigationQueryParams('gid=321&pid=my-slide')).toBe(true)
+    expect(hashIncludesNavigationQueryParams('pid=my-slide&gid=321')).toBe(true)
+    expect(
+      hashIncludesNavigationQueryParams(
+        'gid=gallery&args=value&a=1&pid=321&b=2',
+      ),
+    ).toBe(true)
+  })
+
+  test('returns false if hash includes both query params: gid and pid', () => {
+    expect(hashIncludesNavigationQueryParams('')).toBe(false)
+    expect(hashIncludesNavigationQueryParams('gid=my-gallery')).toBe(false)
+    expect(hashIncludesNavigationQueryParams('pid=123')).toBe(false)
+    expect(hashIncludesNavigationQueryParams('args=1&gid=321')).toBe(false)
+    expect(
+      hashIncludesNavigationQueryParams('args=value&a=1&gid=321&b=2'),
+    ).toBe(false)
+    expect(hashIncludesNavigationQueryParams('args=value&a=1&b=2')).toBe(false)
+    expect(hashIncludesNavigationQueryParams('args=value&pid=1&pid=2')).toBe(
+      false,
+    )
+    expect(hashIncludesNavigationQueryParams('args=value&pid=1&pid=2')).toBe(
+      false,
+    )
+    expect(hashIncludesNavigationQueryParams('args=value&gid=1&pid=')).toBe(
+      false,
+    )
+    expect(hashIncludesNavigationQueryParams('args=value&gid=&pid=2')).toBe(
+      false,
+    )
+  })
+})