Questions tagged [angular9]
Questions about Angular version 9, the web framework from Google. Use this tag for Angular questions which are specific to only version 9. Use tag Angular for any Angular questions which are not specific to an individual version
angular9
1,917
questions
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37
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Angular AOT throws error when Observable asyncPipe is assigned to primeNg dropdown component
I am using the p-dropdown primeNg component and it can take an Observable | async value in a template like this: [options]="to.options | async" but it's not working when i build my app with ...
0
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63
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How to generate and scan qr based on https request - Angular 9
I'm using Angular 9. I try to explain what I want to do and I don't have no idea what to do. So I need QR and when client scan by phone this QR it should be call a https request. This request return ...
1
vote
1
answer
38
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Is angular-highcharts npm package compaitble with highcharts >= 7 for Angular 9.1.13 migration?
I am migrating angular 8 app to angular 9.1.13, highcharts are implemented in my app and I am trying to update highcharts as well. For that I am updating highcharts from 6.2.0 to v7.2.2 and angular-...
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21
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Getting error "[class] and [className] bindings cannot be used on the same element simultaneously" after updating from Angular 8 to Angular 9
I working on a huge project with thousands of html elements that contains both class attribute and multiple class bindings simultaneously. I am updating the angular version from 8.2 to 9
If I start ...
2
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1
answer
1k
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How can i use angular-calendar in Angular 17?
I'm converting Angular 9 project into Angular 17 and one component got angular-calendar plugin which was last published an year ago,
in component.html it's implemented like this,
<mwl-calendar-...
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2
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68
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update angular 8 to 9
I am trying to update from 8 to 9 I get this:
Using package manager: 'npm'
Collecting installed dependencies...
Found 85 dependencies.
Fetching dependency metadata from registry...
Updating ...
1
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0
answers
38
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NullInjectorError: R3InjectorError(XO)[AEe -> mu -> mu]: Error while Upgrading angular version 9 to version 17?
I am trying to upgrade angular v9 to v17. So move with the approach by upgrading all packages that support version 17. After that, I fixed all the errors that came in the terminal. so at last I got ...
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43
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Error in The target entry-point "ng2-slim-loading-bar" has missing dependencies: rxjs/Observable
I have tried the following steps but nothing worked:
uninstalling and reinstalling the ng2-slim-loading-bar package.
Delete package-lock.json and node_modules file and reinstalling the dependencies ...
-1
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1
answer
548
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migration angular 8 to 9
while migration from angular 8 to 9, i installed angular dependecies one by one using npm i (@angular/core, @angular/cli @angular/material ect ...)
reading the documentation using ng update must fix ...
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69
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Angular keyvaluepipe with return 0 is not returning the value of the object
I'm having issues where the {{item}} are not being shown in separate list, after I added returnZero for keyvalue (so that key is not sorted), it is giving me an error for section.value and wouldn't ...
1
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21
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angular lib skip resolve npm package
I have a angular lib and it is named 'ngx-qwe'.
The 'ngx-qwe' quote a npm package 'ngx-asd'.
The 'asd' package has build error when i build 'qwe'
I use 'ng build ngx-qwe --configuration production' to ...
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0
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196
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Angular Universal 14 Not work, Occurred Something weird error messages
Issue: Angular Universal (SSR) does not work
Tech: Angular version 14, Angular CLI, Angular Universal 14
I have created a .net core 6 + angular 14 project
I don't know how to solve this for running ...
1
vote
1
answer
29
views
Creating an array of observables based off a condition and then reducing that array to one observable
I have two types of observables A & B, they return the same item type but are accessible by separate APIs. With a list of id's which can be for either A or B.
These observables return data for a ...
0
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1
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150
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How can I set observables based off a condition in a for loop and return them as one
I need to loop through a list of id's, checking each for an if condition and then based on the result of that if condition, get an observable from a method. I need to list the returned observables ...
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27
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Load components from an array of selectors
I have a list of components:
public entrys: any[] = [
'<component1></component1>',
'<component2></component2>',
'<component3></component3>'
];
I want to display ...