feat(mp): 新增 useShareAppMessage

src/mp/index.ts

@@ -20,6 +20,7 @@ export * from './patchMiniProgram'
 export * from './redirectPageTo'
 export * from './submit'
 export * from './usePullDownRefresh'
+export * from './useShareAppMessage'
 export * from './useSubmit'
 export * from './useTopBarInfo'
 // @endindex

src/mp/useShareAppMessage.ts

@@ -0,0 +1,18 @@
+/// <reference types="miniprogram-api-typings" />
+import { Defined } from '../types'
+import { miniProgramBus } from './miniProgramBus'
+import { useEffect } from 'react'
+import { useLatest } from '../react'
+
+export function useShareAppMessage(
+  callback: Defined<
+    WechatMiniprogram.Page.Options<{}, {}>['onShareAppMessage']
+  >,
+): void {
+  const latestCallback = useLatest(callback)
+  useEffect(() => {
+    return miniProgramBus.on('currentPageShareAppMessage', (...args) => {
+      return latestCallback.current(...args)
+    })
+  }, [])
+}