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fix(material/stepper): content not visibile on first navigation when nested in tabs #25930

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Merged
merged 1 commit into from
Nov 7, 2022
Merged

fix(material/stepper): content not visibile on first navigation when nested in tabs #25930

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18 changes: 18 additions & 0 deletions src/material/stepper/stepper.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -133,6 +133,15 @@
height: 0;
overflow: hidden;
}

// Used to avoid an issue where when the stepper is nested inside a component that
// changes the `visibility` as a part of an Angular animation, the stepper's content
// stays hidden (see #25925). The value has to be `!important` to override the incorrect
// `visibility` from the animations package. This can also be solved using `visibility: visible`
// on `.mat-horizontal-stepper-content`, but it can allow tabbing into hidden content.
&:not(.mat-horizontal-stepper-content-inactive) {
visibility: inherit !important;
}
}

.mat-horizontal-content-container {
Expand Down Expand Up @@ -179,6 +188,15 @@
.mat-vertical-stepper-content {
overflow: hidden;
outline: 0;

// Used to avoid an issue where when the stepper is nested inside a component that
// changes the `visibility` as a part of an Angular animation, the stepper's content
// stays hidden (see #25925). The value has to be `!important` to override the incorrect
// `visibility` from the animations package. This can also be solved using `visibility: visible`
// on `.mat-vertical-stepper-content`, but it can allow tabbing into hidden content.
&:not(.mat-vertical-stepper-content-inactive) {
visibility: inherit !important;
}
}

.mat-vertical-content {
Expand Down