angular9

问题 I used ComponentFactoryResolver to access all the entry component factories and then add routes of those components dynamically in Angular 7. constructor(private componentFactoryResolver: ComponentFactoryResolver) { } var factories = this.componentFactoryResolver['_factories'] let route: Route = { path: MyPath, component: factories[0].factory[1].componentType }; this.router.resetConfig(config); I updated my project to Angular 9 and now _factories are not available in ComponentFactoryResolver.

问题 I have a project which I have recently migrated to Angular 9 from Angular 8 . The project uses primeng version : 4.3.0 . Now the p-radiobutton tag is widely used through out the project to display radio buttons and it is not working properly . The p-radiobutton tag gives the runtime error : Unable to get property 'nativeElement' of undefined or null reference due to which , the UI gets distorted . The entire error stack trace is depicted down below : TypeError: Unable to get property

问题 I have a project which I have recently migrated to Angular 9 from Angular 8 . The project uses primeng version : 4.3.0 . Now the p-radiobutton tag is widely used through out the project to display radio buttons and it is not working properly . The p-radiobutton tag gives the runtime error : Unable to get property 'nativeElement' of undefined or null reference due to which , the UI gets distorted . The entire error stack trace is depicted down below : TypeError: Unable to get property

问题 I want to import all angular material modules and use into overall angular project templates. 回答1: We can create a new module and import all material modules in the new module and use into our templates. Please use this command and run into Angular CLI: ng g m material --module=app --module=app - this command will automatically import newly created MaterialModule module and add into AppModule imports[] array. Now open MaterialModule file and Ctrl + C / Ctrl + P : import { NgModule } from '

问题 I want to import all angular material modules and use into overall angular project templates. 回答1: We can create a new module and import all material modules in the new module and use into our templates. Please use this command and run into Angular CLI: ng g m material --module=app --module=app - this command will automatically import newly created MaterialModule module and add into AppModule imports[] array. Now open MaterialModule file and Ctrl + C / Ctrl + P : import { NgModule } from '

问题 When trying to install the npm packages using npm i command I am getting the following exception: I have tried reinstalling the node js package and setting proxy to off using: set HTTP_PROXY= set HTTPS_PROXY= The issue is still there. What I am doing wrong? Update: When I run the following command: npm install --legacy-peer-deps The following error is displayed: 回答1: This is not related to http proxy. You have dependency conflict ( incorrect and potentially broken dependency) as it says, So

问题 I'm rendering the table data from an observable and then assigning the datasource to the paginator. The next page arrows are working, as well as the first page and last page buttons. When I'm trying to change the items per page, it is not working. I tried ngAfterViewInit and page event calling and they did'nt make any difference. import { Component, OnInit, ViewChild, AfterViewInit } from '@angular/core'; import { DataserviceService } from 'src/app/dataservice.service'; import { DataProvider

问题 I'm rendering the table data from an observable and then assigning the datasource to the paginator. The next page arrows are working, as well as the first page and last page buttons. When I'm trying to change the items per page, it is not working. I tried ngAfterViewInit and page event calling and they did'nt make any difference. import { Component, OnInit, ViewChild, AfterViewInit } from '@angular/core'; import { DataserviceService } from 'src/app/dataservice.service'; import { DataProvider

问题 I have implemented quill editor in Angular by creating new instance of quill and creating custom toolbar. this.quill = new Quill('#editor-container', { modules: { toolbar: '#toolbar-container' }, theme: 'snow' // or 'bubble' }); I have a "update" button which would call the update API. I need to check if the contents of the Quill editor has changed. I am aware of quill.on('text-change'): this.quill.on('text-change', function(delta, oldDelta, source) { if (source == 'api') { console.log('An

来源： https://stackoverflow.com/questions/60882954/cannot-add-property-x-object-is-not-extensible-after-ngrx-9-update