feat: 新增 useRouteListener,系统统一采用该 hook 监听路由变化

This commit is contained in:
pany
2023-08-28 14:07:34 +08:00
parent a267429e5b
commit a3dce0e0f2
7 changed files with 85 additions and 80 deletions

View File

@@ -0,0 +1,48 @@
import { onBeforeUnmount } from "vue"
import mitt, { type Handler } from "mitt"
import { type RouteLocationNormalized } from "vue-router"
/** 回调函数的类型 */
type Callback = (route: RouteLocationNormalized) => void
const emitter = mitt()
const key = Symbol("ROUTE_CHANGE")
let latestRoute: RouteLocationNormalized
/** 设置最新的路由信息,触发路由变化事件 */
const setRouteChange = (to: RouteLocationNormalized) => {
// 触发事件
emitter.emit(key, to)
// 缓存最新的路由信息
latestRoute = to
}
/** 单独监听路由会浪费渲染性能,使用发布订阅模式去进行分发管理 */
export function useRouteListener() {
/** 回调函数集合 */
const callbackList: Callback[] = []
/** 监听路由变化(可以选择立即执行) */
const listenerRouteChange = (callback: Callback, immediate = false) => {
// 缓存回调函数
callbackList.push(callback)
// 监听事件
emitter.on(key, callback as Handler)
// 可以选择立即执行一次回调函数
immediate && latestRoute && callback(latestRoute)
}
/** 移除路由变化事件监听器 */
const removeRouteListener = (callback: Callback) => {
emitter.off(key, callback as Handler)
}
/** 组件销毁前移除监听器 */
onBeforeUnmount(() => {
for (let i = 0; i < callbackList.length; i++) {
removeRouteListener(callbackList[i])
}
})
return { setRouteChange, listenerRouteChange, removeRouteListener }
}