Error in /turbo_modules/@angular/[email protected]/bundles/compiler.umd.js (29363:23)
Component ProductListComponent is not part of any NgModule or the module has not been imported into your module.
錯誤分析
app.module.ts裡，隻import了ProductListComponent，但卻未申明到declarations區域内：
添加之後錯誤消失：