perf: useId logic (#476)

Author: zombieJ

src/hooks/useId.ts

@@ -18,32 +18,47 @@ export function resetUuid() {
   }
 }
 
-export default function useId(id?: string) {
-  // Inner id for accessibility usage. Only work in client side
-  const [innerId, setInnerId] = React.useState<string>('ssr-id');
+const useOriginId = getUseId();
 
-  const useOriginId = getUseId();
-  const reactNativeId = useOriginId?.();
+export default useOriginId
+  ? // Use React `useId`
+    function useId(id?: string) {
+      const reactId = useOriginId();
 
-  React.useEffect(() => {
-    if (!useOriginId) {
-      const nextId = uuid;
-      uuid += 1;
+      // Developer passed id is single source of truth
+      if (id) {
+        return id;
+      }
 
-      setInnerId(`rc_unique_${nextId}`);
+      // Test env always return mock id
+      if (process.env.NODE_ENV === 'test') {
+        return 'test-id';
+      }
+
+      return reactId;
     }
-  }, []);
+  : // Use compatible of `useId`
+    function useCompatId(id?: string) {
+      // Inner id for accessibility usage. Only work in client side
+      const [innerId, setInnerId] = React.useState<string>('ssr-id');
 
-  // Developer passed id is single source of truth
-  if (id) {
-    return id;
-  }
+      React.useEffect(() => {
+        const nextId = uuid;
+        uuid += 1;
 
-  // Test env always return mock id
-  if (process.env.NODE_ENV === 'test') {
-    return 'test-id';
-  }
+        setInnerId(`rc_unique_${nextId}`);
+      }, []);
 
-  // Return react native id or inner id
-  return reactNativeId || innerId;
-}
+      // Developer passed id is single source of truth
+      if (id) {
+        return id;
+      }
+
+      // Test env always return mock id
+      if (process.env.NODE_ENV === 'test') {
+        return 'test-id';
+      }
+
+      // Return react native id or inner id
+      return innerId;
+    };

tests/hooks-17.test.js

@@ -0,0 +1,63 @@
+import { render } from '@testing-library/react';
+import * as React from 'react';
+import { renderToString } from 'react-dom/server';
+import useId, { resetUuid } from '../src/hooks/useId';
+
+jest.mock('react', () => {
+  const react = jest.requireActual('react');
+
+  const clone = { ...react };
+
+  Object.defineProperty(clone, 'useId', {
+    get: () => null,
+  });
+
+  return clone;
+});
+
+describe('hooks-17', () => {
+  describe('useId', () => {
+    const Demo = ({ id } = {}) => {
+      const mergedId = useId(id);
+      return <div id={mergedId} className="target" />;
+    };
+
+    function matchId(container, id) {
+      const ele = container.querySelector('.target');
+      return expect(ele.id).toEqual(id);
+    }
+
+    it('fallback of React 17 or lower', () => {
+      const errorSpy = jest.spyOn(console, 'error');
+      const originEnv = process.env.NODE_ENV;
+      process.env.NODE_ENV = 'development';
+
+      // SSR
+      const content = renderToString(
+        <React.StrictMode>
+          <Demo />
+        </React.StrictMode>,
+      );
+      expect(content).toContain('ssr-id');
+
+      // Hydrate
+      resetUuid();
+      const holder = document.createElement('div');
+      holder.innerHTML = content;
+      const { container } = render(
+        <React.StrictMode>
+          <Demo />
+        </React.StrictMode>,
+        {
+          hydrate: true,
+          container: holder,
+        },
+      );
+
+      matchId(container, 'rc_unique_1');
+
+      errorSpy.mockRestore();
+      process.env.NODE_ENV = originEnv;
+    });
+  });
+});

tests/hooks.test.js

@@ -1,7 +1,7 @@
 import { fireEvent, render } from '@testing-library/react';
 import * as React from 'react';
 import { renderToString } from 'react-dom/server';
-import useId, { resetUuid } from '../src/hooks/useId';
+import useId from '../src/hooks/useId';
 import useLayoutEffect from '../src/hooks/useLayoutEffect';
 import useMemo from '../src/hooks/useMemo';
 import useMergedState from '../src/hooks/useMergedState';
@@ -487,41 +487,6 @@ describe('hooks', () => {
       errorSpy.mockRestore();
       process.env.NODE_ENV = originEnv;
     });
-
-    it('fallback of React 17 or lower', () => {
-      const errorSpy = jest.spyOn(console, 'error');
-      const originEnv = process.env.NODE_ENV;
-      process.env.NODE_ENV = 'development';
-      global.disableUseId = true;
-
-      // SSR
-      const content = renderToString(
-        <React.StrictMode>
-          <Demo />
-        </React.StrictMode>,
-      );
-      expect(content).toContain('ssr-id');
-
-      // Hydrate
-      resetUuid();
-      const holder = document.createElement('div');
-      holder.innerHTML = content;
-      const { container } = render(
-        <React.StrictMode>
-          <Demo />
-        </React.StrictMode>,
-        {
-          hydrate: true,
-          container: holder,
-        },
-      );
-
-      matchId(container, 'rc_unique_1');
-
-      errorSpy.mockRestore();
-      process.env.NODE_ENV = originEnv;
-      global.disableUseId = false;
-    });
   });
 
   describe('useMobile', () => {