Ngif else with css [Angular]

Question

is there a way to define that when my condition is not true, my component gets other attribute styles in Angular? i want to define my main css file.

i want something like this:

example (s-help.component.html): (not correct)

<div *ngIf="visible; else class="test" " >
   <div class="s-help-content "><span [translate]="text"></span></div>
</div>

css

.s-help{
    background-repeat: no-repeat;
    background-position: center left calc(0.37em + 0.37rem);
    background-size: calc(1em + 1rem) calc(1em + 1rem);
    border: 2px solid $warning !important;
    border-radius: 4px;
    display: block !important;   
    color: $gray-700;
    min-width: 220px;
    white-space: normal !important;
    padding-left: 5px !important;
    padding-right: 5px !important;

}
.s-help-content {
    padding-top: 6px;
    padding-bottom: 6px;
    padding-left: 45px;
    padding-right: 6px;
}

.test {
    display: none;
}

component used in code

<s-help [visible]="true" [ngClass]="'s-help'" [text]="'INFOTEXT.101' | translate"></s-help>

my issue is that the border of the component is visible all time, even if the condition is false

to make it more clear: https://stackblitz.com/edit/angular-ivy-etrn9z?file=src%2Fapp%2Fcomp%2Fcomp.component.html i dont want the border under the first info text

Take a look at NgClass and NgStyle

pzaenger
– pzaenger

2022-08-22 18:01:30 +00:00
Commented Aug 22, 2022 at 18:01 — pzaenger
– pzaenger, Commented Aug 22, 2022 at 18:01

Naren Murali · Accepted Answer · 2022-08-22 19:11:29Z

1

Is this what you need? ngClass will take a javascript expression as an input, here you can conditionally add the class or remove if needed!

<div *ngIf="visible" [ngClass]="!visible ? 'test' : ''" >
   <div class="s-help-content "><span [translate]="text"></span></div>
</div>

updated stackblitz

edited Aug 22, 2022 at 19:11

answered Aug 22, 2022 at 18:01

Naren Murali

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10 Comments

du7ri Over a year ago

this was a good intention, but i dont know whats the problem, there is still the border! in my code i add the component, i edited my example.

Naren Murali Over a year ago

@du7ri please share a stackblitz! this question is being asked a lot of times, if provided maybe ur problem will be resolved!\

Naren Murali Over a year ago

@du7ri Thank you so much, is this the expected output stackblitz

Naren Murali Over a year ago

@du7ri That is what my stackblitz is doing check here

Naren Murali Over a year ago

Let us continue this discussion in chat.

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