關於angular5的惰性加載報錯問題

以前爲了測試一個模塊優化問題,因而用angular-cli快速搭建了個ng5的腳手架demo,在應用惰性加載功能的時候發現瀏覽器報錯以下:javascript

ERROR Error: Uncaught (in promise): TypeError: __webpack_require__.e is not a function
TypeError: __webpack_require__.e is not a function
    at webpackAsyncContext (eval at ./src/$$_lazy_route_resource lazy recursive (main.bundle.js:13), :15:29)
    at SystemJsNgModuleLoader.loadAndCompile (core.js:6554)
    at SystemJsNgModuleLoader.load (core.js:6538)
    at RouterConfigLoader.loadModuleFactory (router.js:4543)
    at RouterConfigLoader.load (router.js:4523)
    at MergeMapSubscriber.eval [as project] (router.js:2015)
    at MergeMapSubscriber._tryNext (mergeMap.js:128)
    at MergeMapSubscriber._next (mergeMap.js:118)
    at MergeMapSubscriber.Subscriber.next (Subscriber.js:92)
    at ScalarObservable._subscribe (ScalarObservable.js:51)
    at webpackAsyncContext (eval at ./src/$$_lazy_route_resource lazy recursive (main.bundle.js:13), :15:29)
    at SystemJsNgModuleLoader.loadAndCompile (core.js:6554)
    at SystemJsNgModuleLoader.load (core.js:6538)
    at RouterConfigLoader.loadModuleFactory (router.js:4543)
    at RouterConfigLoader.load (router.js:4523)
    at MergeMapSubscriber.eval [as project] (router.js:2015)
    at MergeMapSubscriber._tryNext (mergeMap.js:128)
    at MergeMapSubscriber._next (mergeMap.js:118)
    at MergeMapSubscriber.Subscriber.next (Subscriber.js:92)
    at ScalarObservable._subscribe (ScalarObservable.js:51)
    at resolvePromise (zone.js:809)
    at resolvePromise (zone.js:775)
    at eval (zone.js:858)
    at ZoneDelegate.invokeTask (zone.js:421)
    at Object.onInvokeTask (core.js:4736)
    at ZoneDelegate.invokeTask (zone.js:420)
    at Zone.runTask (zone.js:188)
    at drainMicroTaskQueue (zone.js:595)
    at ZoneTask.invokeTask [as invoke] (zone.js:500)
    at invokeTask (zone.js:1517)

因而再次確認了幾遍特性模塊的配置,發現沒問題,因而就開始發動搜商尋找bug源,這裏不得不吐槽下國內的技術社區原創性太少,每每一個問題搜索下,搜索引擎前幾頁都是同一我的解答的複製黏貼版,國內搜索無果,不得不翻出去找找,最終在stackoverflow上發現了一個方案,及下降angular/cli一個小版本,以下:java

npm remove -g @angular/cli
npm install -g @angular/cli@1.7.2
npm remove @angular/cli
npm add @angular/cli@1.7.2 --save-dev

操做後是ok的,可是後面的問題就不得解了,我在此將版本升級到@angular/cli@1.7.3(全局和本地)後,再運行後發現以前的問題再也不出現了(在此但願有哪位兄弟幫忙解釋下)!!!!!webpack

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