feat(router): reLaunch 移除冗余页面节点 fix #9724

NervJS · Dec 15, 2021 · 8e8ae04 · 8e8ae04
1 parent 4768cef
commit 8e8ae04
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Showing 2 changed files with 8 additions and 5 deletions.
diff --git a/packages/taro-router/src/api.ts b/packages/taro-router/src/api.ts
@@ -49,7 +49,7 @@ function processNavigateUrl (option: Option) {
   return pathPieces
 }
 
-async function navigate (option: Option | NavigateBackOption, method: 'navigateTo' | 'redirectTo' | 'navigateBack') {
+async function navigate (option: Option | NavigateBackOption, method: 'navigateTo' | 'navigateBack' | 'redirectTo' | 'reLaunch') {
   return new Promise<void>((resolve, reject) => {
     const { success, complete, fail } = option
     const unListen = history.listen(() => {
@@ -67,6 +67,9 @@ async function navigate (option: Option | NavigateBackOption, method: 'navigateT
           history.push(pathPieces, state)
         } else if (method === 'redirectTo') {
           history.replace(pathPieces, state)
+        } else if (method === 'reLaunch') {
+          stacks.delta = stacks.length
+          history.replace(pathPieces, state)
         }
       } else if (method === 'navigateBack') {
         stacks.delta = option.delta
@@ -96,13 +99,11 @@ export function navigateBack (options: NavigateBackOption = { delta: 1 }) {
 }
 
 export function switchTab (option: Option) {
-  // TODO: 清除掉所有的栈去目标页面
   return redirectTo(option)
 }
 
 export function reLaunch (option: Option) {
-  // TODO: 清除掉所有的栈去目标页面
-  return redirectTo(option)
+  return navigate(option, 'reLaunch')
 }
 
 export function getCurrentPages () {

diff --git a/packages/taro-router/src/router/index.ts b/packages/taro-router/src/router/index.ts
@@ -124,7 +124,9 @@ export function createRouter (
           return showPage(stacks.getItem(prevIndex), pageConfig, prevIndex)
         }
       } else {
-        unloadPage(currentPage)
+        const delta = stacks.getDelta(pathname)
+        // NOTE: 页面路由记录并不会清空，只是移除掉缓存的 stack 以及页面
+        unloadPage(currentPage, delta)
       }
       shouldLoad = true
     }