angular-react | Use React components inside Angular | Frontend Utils library
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kandi X-RAY | angular-react Summary
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QUESTION
I have a FormGroup
with FormArray
control filled with FormGroup
instances
ANSWER
Answered 2021-Apr-08 at 09:02I found a workaround in this article, to iterate through FormGroups
by index
like:
QUESTION
How to unit test (Jest
here) custom validator, which has FormGroup
? I've seen this question, but it's about FormControl
.
The function to be tested.
...ANSWER
Answered 2021-Mar-27 at 17:48You can create a test FormGroup
which consists of 2 password controls and apply validatePasswords
validator to this group:
QUESTION
I followed this tutorial for impementing an file upload into my reactive form: https://netbasal.com/how-to-implement-file-uploading-in-angular-reactive-forms-89a3fffa1a03 but I'm Having a problem: "this.onChange is not a function" my Component:
...ANSWER
Answered 2020-Oct-12 at 07:18@MikeOne was right, i needed to separate component that contains all the controlValueAccessor.
QUESTION
Update: I think I'm getting closer. This is what I have now:
...ANSWER
Answered 2020-Aug-22 at 21:48I think, it is better to use FormGroup in this case, you can use field names for generating controls and creating FormGroup, and in the template you can just go through array and show inputs:
Component:
QUESTION
Recently, I asked the following question on StackOverflow and received an amazing response that resulted in building a recursive nested Angular Form: Angular Deeply Nested Reactive Form: Cannot find control with path on nested FormArray . Here is a blog post written by the author about the same question
This recursive nested Angular Form lets me continue to build group FormArrays
, all of which have a group
object:
ANSWER
Answered 2020-Jun-16 at 17:21There's nothing wrong with your data. It's likely a matter of timing. The form must be stable before you can patch any value. As you're doing it in OnInit
, I suppose you're building the form in the constructor. If so, the form isn't ready to receive any values yet.
The simplest way to solve that is with an uncomfortable setTimeout
. But I suppose that this is just for testing. In real cases, the data will probably get some time to be available anyway.
Your example above will work if you wrap it with the aforementioned setTimeout
:
QUESTION
I am trying to make a Angular Reactive Form ReadOnly, so it cannot be edited. Currently seeing two methods below. What is the difference between the two strategies mentioned?
Option 1:
...ANSWER
Answered 2020-Apr-23 at 20:13Effectively no difference.
The first one can be used in template driven forms as well while later is obviously part of reactive forms.
QUESTION
I have a Simple Static Web application when i upload to GitHub and publish successfully done it show on live but problem is that when i click a external link and again go back with back arrow of chrome then it show me like this and suppose in my application i have mention a link like and go back the error is shown like this you can check below error.
ANSWER
Answered 2020-Mar-22 at 04:52I tried from both side first i tried with GUI which is not working and then with CLI it's work fine first thing don't publish from GUI publish with CLI
because we don't need to upload a dist file manually and for dist file we will use other command to make dist file and that dist file directly upload to GitHub.
and one thing is that don't make repository like this username.github.io
make a repository with simple name like test or sample whatever you want.
To deploy your Angular application, first create a repository on GitHub. To do that navigate, to https://github.com/ and click on New Repository. I am creating a repository named for example "testing"
before implementing below step when u get error like this 'git' is not recognized as an internal or external command, operable program or batch file.
then you need to install git form Here
After the repository is created, use a git command to add this repository as a remote file to the local project. To do that, run the below command:
QUESTION
I've seen a few checkbox ideas and strategies, but can't seem to get this to work in my particular case.
I am newer to Angular but am trying to build a workout webapp. What I am trying to do is use checkboxes to filter which workouts appear in the workout list (workout list is displayed using an ngFor
).
Currently, I have a WorkoutListComponent that displays the list using the ngFor
(shortened for simplicity):
ANSWER
Answered 2020-Feb-05 at 12:44I recommend when you are working with multiple checkboxes, to use the SelectionModel from angular collections. Try not using reactive forms with multiple checkboxs control for filters like that, SelectionModel makes it so easier.
Here's the stackblitz, hope it helps.
https://stackblitz.com/edit/github-4rezan-yqxkyv
code:
html:
QUESTION
https://stackblitz.com/edit/angular-reactive-forms-eg-s1v5zs?file=src/app/app.component.html
...Could not bind {form control} to data [ { "group1": "", "group2": { "data": "" } } ]
Need to bind using form control name
ANSWER
Answered 2019-Dec-18 at 15:02You have formControlName="group2"
on your text . Instead, you should bind the
data
control of the group2
form group to the input: formControlName="data"
.
QUESTION
I got example of credit card FormGroup
, using Angular directive
, I created input mask
for input 4444444444444444
became 4444 4444 4444 4444
, but the problem is I got regex validation
which do not accept space
. this is what I had tried,
ts.file
...ANSWER
Answered 2019-Oct-16 at 03:12Use the same regex you are using but remove spaces from card number before validating.
You can use String.split() and Array.join() to do that.
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