Questions tagged [angular7]
Questions about Angular version 7, the web framework from Google. Use this tag for Angular questions which are specific to only version 7. Use tag Angular for any Angular questions which are not specific to an individual version.
angular7
338
questions
131
votes
5
answers
394k
views
How to set value to form control in Reactive Forms in Angular
I'm new to Angular. Actually, I'm trying to subscribe data from a service and that data, I'm passing to form control of mine from (example, it's like an edit form).
import { Component, OnInit } from '@...
- 1,942
22
votes
2
answers
32k
views
npm install shows error with git not found
I have recently added some dependencies to the package JSON and tried installing npm, but it shows errors related to git not found:
npm ERR! path git
npm ERR! code ENOENT
npm ERR! errno ENOENT
npm ...
- 239
196
votes
18
answers
177k
views
Errors: Data path ".builders['app-shell']" should have required property 'class'
I am getting this error while running my application. Here are the details of my application.
Angular CLI: 7.3.3
Node: 10.15.1
Angular: 7.2.7
@angular-devkit/architect -0.13.3
@angular-devkit/...
- 1,979
38
votes
5
answers
33k
views
How to use Angular7 (angular material) drag drop between two components
As recently angular introduced drag and drop in angular material
https://material.angular.io/cdk/drag-drop/overview .
All examples describes with in a single component. How to use this in two ...
- 483
31
votes
2
answers
45k
views
How to use reportProgress in HttpClient in Angular? [duplicate]
I am downloading file using HTTP POST method. I want to call another method to show download progress to end user until file download complete.
How to use reportProgress in HttpClient for this.
...
user10274935
28
votes
8
answers
57k
views
Angular 7 - Multiple outlets : Error: Cannot activate an already activated outlet
Here is the issue that I'm encountering with Angular 7 :
I have two outlets : the main app router outlet, and a secondary outlet named 'administration'.
When I want to navigate through any ...
- 291
1
vote
3
answers
14k
views
How to return object from service to component in angular
I want to access particular json in ngOninit. So i have id on click in edit button and with the help of that id i am getting complete object from database like form name , form json which etc. So from ...
- 975
1
vote
1
answer
2k
views
Custom Controls with Reactive Forms
I am using Angular 7, Angular Material controls with Reactive Forms.
I created custom text (matInput type="text"), number (matInput type="number"), select (matSelect) controls with Angular Material ...
- 1,252
33
votes
15
answers
93k
views
JavaScript heap out of memory in Angular 7 using Azure DevOps
I am getting FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory after Angular 7.1 upgrade. The previous version 6.1 was working perfectly fine.
I get the error only ...
- 681
6
votes
1
answer
4k
views
CdkDragDrop and ngTemplateOutlet
I'm trying to use Drag&Drop features relased with Angular Material 7.
I separated my template in reusable pieces using ngTemplateOutlet and every option can be either a Thing™ or a nested Thing™ ...
1
vote
1
answer
2k
views
How to extract the tooltip text within an Angular 7 application using Selenium
I'm trying to read text tooltip in angular7 application via selenium. But get text is returning blank and javascript executor is returning null.
Link to the image of the DOM for which I'm not able ...
1
vote
1
answer
7k
views
How to retrieve the value from LocalStorage
I'm trying to test out html5 localStorage feature. For some reason, whenever I try to retrieve a value from storage after refreshing the page, i dont get any value. Values are getting stored locally ...
- 659
33
votes
6
answers
35k
views
cannot find name 'require' in angular 7(typescript 3.1.3)
My question is why this error shown?
ERROR in src/app/p2p/p2p.component.ts(14,16): error TS2580: Cannot
find name 'require'. Do you need to install type definitions for node?
Try npm i @types/...
- 441
31
votes
5
answers
99k
views
how to enable gzip compression in angular cli for production build
I would want to compress the bundle files that are created when building the angular project. I use ng build --environment=${environment} to build the application currently and the version of "@...
- 499
39
votes
2
answers
157k
views
How to pipe / map an Observable in Angular
A nested object is showing up as [object Object] so I'm trying to cast it via pipe and map but I'm not getting any where. I've tried the models as classes and interfaces but no help. Can someone tell ...
- 756