我最近表演了NPM更新命令并删除了Angular版本4.2.6。但是，当我跑ng构建我收到了许多与@angular/动画有关的构建错误。见下文：[alobban@linuxlaptop-advfrtsvr-advantagefreight-comafngine-ng2]$ngbuildHash:eeeb38b2753a21366397Time:34119mschunk{0}main.bundle.js,main.bundle.js.map(main)870kB{4}[initial][rendered]chunk{1}polyfills.bundle.js,polyfills.bundle.j

我刚刚关注了these努力让我的应用程序加载我的应用程序的说明(它卡在初始屏幕上)。简而言之，我是这样做的:npminstall-gionic@latestnpminstallionic-angular@3.7.0--savenpminstall@ionic/app-scripts@3.0.0--save-devnpminstall@angular/core@4.4.3--savenpminstall@angular/common@4.4.3--savenpminstall@angular/compiler@4.4.3--savenpminstall@angular/compiler-