docs: update docs (#2174)

* fix: add immediate to dep list

* docs: update docs

* style: op

Author: li-jia-nan

packages/hooks/src/useMutationObserver/index.ts

@@ -19,9 +19,7 @@ const useMutationObserver = (
       const observer = new MutationObserver(callbackRef.current);
       observer.observe(element, options);
       return () => {
-        if (observer) {
-          observer.disconnect();
-        }
+        observer?.disconnect();
       };
     },
     [options],

packages/hooks/src/useScroll/index.en-US.md

@@ -29,10 +29,10 @@ const position = useScroll(target, shouldUpdate);
 
 ### Params
 
-| Property     | Description               | Type                                                                        | Default    |
-| ------------ | ------------------------- | --------------------------------------------------------------------------- | ---------- |
-| target       | DOM element or ref object | `Element` \| `Document` \| `(() => Element)` \| `MutableRefObject<Element>` | `document` |
-| shouldUpdate | Whether update position   | `({ top: number, left: number }) => boolean`                                | `-`        |
+| Property     | Description               | Type                                                                        | Default      |
+| ------------ | ------------------------- | --------------------------------------------------------------------------- | ------------ |
+| target       | DOM element or ref object | `Element` \| `Document` \| `(() => Element)` \| `MutableRefObject<Element>` | `document`   |
+| shouldUpdate | Whether update position   | `({ top: number, left: number }) => boolean`                                | `() => true` |
 
 ### Result
 

packages/hooks/src/useScroll/index.zh-CN.md

@@ -29,10 +29,10 @@ const position = useScroll(target, shouldUpdate);
 
 ### Params
 
-| 参数         | 说明                 | 类型                                                                        | 默认值     |
-| ------------ | -------------------- | --------------------------------------------------------------------------- | ---------- |
-| target       | DOM 节点或者 ref     | `Element` \| `Document` \| `(() => Element)` \| `MutableRefObject<Element>` | `document` |
-| shouldUpdate | 控制是否更新滚动信息 | `({ top: number, left: number }) => boolean`                                | -          |
+| 参数         | 说明                 | 类型                                                                        | 默认值       |
+| ------------ | -------------------- | --------------------------------------------------------------------------- | ------------ |
+| target       | DOM 节点或者 ref     | `Element` \| `Document` \| `(() => Element)` \| `MutableRefObject<Element>` | `document`   |
+| shouldUpdate | 控制是否更新滚动信息 | `({ top: number, left: number }) => boolean`                                | `() => true` |
 
 ### Result