Angular component visible stack overflow I want a dropdown inside a dialog box. If 'mat-icon' is an Angular component, then verify that it is part of this module. However, this seems to not work. To allow any property add 'NO_ERRORS_SCHEMA' to the '@NgModule. My login. Angular 14. Options coming from basically a service, the selected value coming from the current opened data model. Here is my routes definition: Is there a way for me, using offsetParent, during unit testing using Jasmine/Karma to tell whether or not a component is visible? If I have some component: <my-component *ngIf="some condition"></my-component> I'd like to write a test that will check if the component is visible if some condition is true. , debugElement. Note, for Angular 8 you have to make sure to set { static: false }, which is a default setting in other Angular versions: @ViewChild('contentPlaceholder', { static: false }) Note: if contentPlaceholder is a component you can change ElementRef to your component Class: Sep 10, 2018 · I created a sample app in Angular 5. Jun 30, 2017 · Menu Component (should be only visible after a successful login) import { Component, OnInit } from '@angular/core'; import { Router } from '@angular/router'; import Jun 7, 2018 · For me the issue was that I was getting errors in the html, precisely in angular-generated components and it didn't compile. You didn't include your code showing the whole component file or your app. Mar 29, 2017 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Sep 6, 2017 · In my Angular 4. like this. ts file. Oct 19, 2021 · I've created a directive to prevent scroll when certain components are visible (angular 12), here's my code: import { DOCUMENT } from '@angular/common'; import { Directive, HostListener, Inject, Mar 11, 2018 · By Shlomi Levi I gathered the most common questions and answers from Stackoverflow. id), 0) on complete function of subscribe), I think that it could probably be a async problem, but I don't know where. Dec 17, 2022 · I believe this is only a misunderstanding of how keyboard navigation should work. amount = 5; } } Dec 20, 2017 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Angular component doesn't render html, shows html route. Now I want only the data from the database to be reloaded because the data from the rest API is taking Jan 15, 2019 · I have a list of 4 items, the first 2 visible and the last 2 hidden. Aug 3, 2020 · I had same issue of not showing mat-spinner in sub-component not in index. Aug 3, 2020 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have an Angular component I am testing. What can I do to call it after component is visible. Oct 6, 2021 · One way is that you can refer to the child component variable value from the parent: Within child component do the following: hideComponent: boolean = false; ngOnInit(): void { this. If this. hideComponent = true; } Jan 29, 2020 · App component is shared between all components, so if in its template view you insert a component selector, all other components will see it; If you want other components don't see child template you must don't insert it in app component template. <app-header></app-header> <router-outlet></router-outlet> I want to hide and show certain navbar items based on the component that is currently showing. In this file AppModule is imported. nativeElement) and if it should be shown I expect it to be truthy, otherwise falsy. Jan 13, 2020 · @Component({ selector: 'app-other-component', }) export class OtherComponent implements OnInit { ngOnInit() { this. Aug 14, 2017 · It's possible the component isn't being loaded. All is working but the recaptcha badge is showing in all pages of my application. component: <router-outlet></router-outlet> Feb 27, 2018 · I'm trying to create an event on a click button who fired another component, if you click again it reduce the component (a part of the displayed component is always visible). log(s); <--- breaks the compiler Jun 19, 2017 · in shared module you have to export that component. Table of Contents Angular Apr 19, 2022 · estoy trabajando con componente de primeNG específicamente con el p-calendar , necesito que ese componente al hacer click se oculte y muestre el otro componente con la fecha "desde Semana x. It uses IntersectionObserver to do the work. ts : import {bootstrap} from 'angu Oct 23, 2018 · I have the following scenario in my Angular app: A component MainDashboardComponent that is visible when I have the route /. html file, which looks like this: Aug 22, 2019 · As far as you are using html elements you can't have control of their visibility actions , you are making them visible or !visible. query(By. In Case 'a' both/all child components are mounted and rendered, hidden, and not shown until a condition is met. component. I only need to display the recaptcha badgein login page. I w Jun 17, 2019 · @RonaldKorze Ok, I try to debug the angular project and it seem that when I try to create the component the entry variable still null, but I noticed if I use setTimeout to set the value after X seconds it works (?), (code: setTimeout(() => this. To learn more, see our tips on writing great Dec 15, 2017 · Hello I have a question about lifecycle of components. Let's say a user opens the page and only 3 components are visible. You can use the createComponentmethod on ViewContainerRef to Angular 19. . The component itself is very complicated But I have a stripped down example. Jan 9, 2017 · Anything from StudentComponent should not visible until OverflowAI; Stack Overflow for Teams How to show limited data in two different components in angular 2. ngOnInit(): void { is_visible=true; } Angular Routing. Consider the following examples: Module A is imported into Aug 14, 2017 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Oct 18, 2016 · How can I check if an element (or a component) is visible on the screen? In a specific case, I have a component inside a bootstrap dropdown, and I want my component to do someting only if the dropdown is open (but I don't want to use a reference to the dropdown item). What is the best practice to achieve this? Mar 11, 2018 · And in the component (aka the "do stuff" part) app. You could get the currently activated route and check if the activated component is a type of the component you are looking for and then disable the toggle button. I want to execute its function even if it is not being displayed. x library to monitor when elements are visible in the DOM. ts. What is the recommended Angular way? Nov 3, 2018 · why not use the "placeHolder". For example, I had a component which was inputting [data]="data" in the component, but as the data on the moment of passing was undefined(i. Well, quite. May 26, 2020 · I have an Angular app. Mar 21, 2022 · Tracking the element's visibility was not a simple task back in the day. Obviously I have the <router-outlet> tag in my app. A view container is a node in Angular's component tree that can contain content. ts, now we can receive the boolean value to drive the behavior of the conditional component property; while also qualifying the element as the first block (aka blockOne) in a view that might have multiple "blocks": Dec 15, 2018 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Dec 2, 2017 · For Angular 5, I am using WebStorm IDE. In app-component only add your router-outlet and add nav-bar in home-component. ts:36 [{…}] So the first item is null. json (simply uninstall highlighted packges/modules) Aug 26, 2021 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. export class AppComponent { val:string; } App. import {Component, View} from 'angular2/ Jul 11, 2018 · I'm new to Angular and I need some advice. Dec 10, 2015 · I have a variable in the parent component that might be changed by child, parent will be using this variable in the view and thus has to propagate changes. Here is a Playground example. If I use the isPlatformBrowser on that component and use that on an ngIf to render/not render the HTML Jul 12, 2020 · I builded this inside a component the reason why i am doing this is becose i want to show the toggle side bar only in four pages so i dont want to call the same on root app component. HTML file of the src folder is shown instead of the app-component. It have a [hide] directive but it seems to be simil Jul 12, 2018 · On clicking a button, toggle method hides the parent component and only router-outlet child component is visible. Jul 24, 2017 · What's the suggested way to achieve element invisibility in angular 2 (visibility:hidden not showing the element but keeping it space occupied)?. ngOnDestroy() Use the above-highlighted hooks based on your situation. Feb 8, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. present(); This component contains a Form (reactive form), and has various controls initialized, and also parts hidden/shown using *ngIfs. When can I have this component: @Component({ selector: 'my-component' }) export class MyComponent implements OnInit{ ngOnInit(){ alert("On Mar 12, 2017 · I'm new to Angular 2 and my nested components are not visible or even processed. It's also possible it isn't even compiling, because you are trying to access a variable that doesn't exist: console. Mar 30, 2020 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Aug 2, 2018 · I think the best solution is to design your angular project with respect to the container/component approach. you can use you'r custom component instead of div element, then do whatever you want on onInit() of you'r custom elements. I have an Ionic 4 / Angular 8 application, where I display a component inside a modal. The problem is that when the components become visible the data is not pre loaded. module file where it should be included. ts file are not When testing if a component is being shown or not using ngIf I try to get the element (in this case you use, i. simply not fetched yet), it has resulted in an NPE, or TypeError: Can not read properties of undefined. getBoundingClientRect(). You can nest components - display one component alone may work but I do not understand how. To resolve this issue, I had to delete node_modules folder and remove @angular/material and @angular/cdk dependencies from package. createComponent(this. Feb 8, 2018 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Apr 4, 2021 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Oct 15, 2017 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. xle gxo tbcbs ncw ugc dza iyejne hbxt fzybh uevdh bjhalx lltkz wgs avz apcsetut