fix: anchorLink href update

components/anchor/AnchorLink.tsx

@@ -27,6 +27,14 @@ export default class AnchorLink extends React.Component<AnchorLinkProps, any> {
     this.context.antAnchor.registerLink(this.props.href);
   }
 
+  componentWillReceiveProps(nextProps: AnchorLinkProps) {
+    const { href } = nextProps;
+    if (this.props.href !== href) {
+      this.context.antAnchor.unregisterLink(this.props.href);
+      this.context.antAnchor.registerLink(href);
+    }
+  }
+
   componentWillUnmount() {
     this.context.antAnchor.unregisterLink(this.props.href);
   }

components/anchor/__tests__/Anchor.test.js

@@ -90,4 +90,20 @@ describe('Anchor Render', () => {
     wrapper.setProps({ children: null });
     expect(wrapper.instance().links).toEqual([]);
   });
+
+  it('should update links when link href update', async () => {
+    let anchorInstance = null;
+    function AnchorUpdate({ href }) {
+      return (
+        <Anchor ref={c => anchorInstance = c}>
+          <Link href={href} title="API" />
+        </Anchor>
+      );
+    }
+    const wrapper = mount(<AnchorUpdate href="#API" />);
+
+    expect(anchorInstance.links).toEqual(['#API']);
+    wrapper.setProps({ href: '#API_1' });
+    expect(anchorInstance.links).toEqual(['#API_1']);
+  });
 });