@angular/material
Version:
Angular Material
457 lines (451 loc) • 69 kB
JavaScript
import { TemplatePortal, CdkPortalOutlet, PortalModule } from '@angular/cdk/portal';
import { CdkStepLabel, CdkStepHeader, CdkStep, CdkStepper, CdkStepperNext, CdkStepperPrevious, CdkStepperModule } from '@angular/cdk/stepper';
import * as i0 from '@angular/core';
import { Directive, Injectable, Optional, SkipSelf, inject, ChangeDetectorRef, Component, ViewEncapsulation, ChangeDetectionStrategy, Input, TemplateRef, ViewContainerRef, ContentChild, NgZone, Renderer2, ANIMATION_MODULE_TYPE, signal, QueryList, EventEmitter, ElementRef, ViewChildren, ContentChildren, Output, NgModule } from '@angular/core';
import { FocusMonitor } from '@angular/cdk/a11y';
import { Subject, Subscription } from 'rxjs';
import { NgTemplateOutlet } from '@angular/common';
import { _CdkPrivateStyleLoader, _VisuallyHiddenLoader } from '@angular/cdk/private';
import { d as MatIcon, M as MatIconModule } from './icon-module-a8f2a673.mjs';
import { _ as _StructuralStylesLoader } from './structural-styles-7c66c8fc.mjs';
import { M as MatRipple } from './ripple-acd53c76.mjs';
import { Platform } from '@angular/cdk/platform';
import { switchMap, map, startWith, takeUntil } from 'rxjs/operators';
import { E as ErrorStateMatcher } from './error-options-3526e2cc.mjs';
import { M as MatCommonModule } from './common-module-43c0ba57.mjs';
import { M as MatRippleModule } from './index-5decf30c.mjs';
import './icon-registry-75ed3f35.mjs';
import '@angular/common/http';
import '@angular/platform-browser';
import '@angular/cdk/coercion';
import '@angular/cdk/bidi';
class MatStepLabel extends CdkStepLabel {
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepLabel, deps: null, target: i0.ɵɵFactoryTarget.Directive });
static ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "19.2.0", type: MatStepLabel, isStandalone: true, selector: "[matStepLabel]", usesInheritance: true, ngImport: i0 });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepLabel, decorators: [{
type: Directive,
args: [{
selector: '[matStepLabel]',
}]
}] });
/** Stepper data that is required for internationalization. */
class MatStepperIntl {
/**
* Stream that emits whenever the labels here are changed. Use this to notify
* components if the labels have changed after initialization.
*/
changes = new Subject();
/** Label that is rendered below optional steps. */
optionalLabel = 'Optional';
/** Label that is used to indicate step as completed to screen readers. */
completedLabel = 'Completed';
/** Label that is used to indicate step as editable to screen readers. */
editableLabel = 'Editable';
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepperIntl, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepperIntl, providedIn: 'root' });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepperIntl, decorators: [{
type: Injectable,
args: [{ providedIn: 'root' }]
}] });
/**
* @docs-private
* @deprecated No longer used, will be removed.
* @breaking-change 21.0.0
*/
function MAT_STEPPER_INTL_PROVIDER_FACTORY(parentIntl) {
return parentIntl || new MatStepperIntl();
}
/**
* @docs-private
* @deprecated No longer used, will be removed.
* @breaking-change 21.0.0
*/
const MAT_STEPPER_INTL_PROVIDER = {
provide: MatStepperIntl,
deps: [[new Optional(), new SkipSelf(), MatStepperIntl]],
useFactory: MAT_STEPPER_INTL_PROVIDER_FACTORY,
};
class MatStepHeader extends CdkStepHeader {
_intl = inject(MatStepperIntl);
_focusMonitor = inject(FocusMonitor);
_intlSubscription;
/** State of the given step. */
state;
/** Label of the given step. */
label;
/** Error message to display when there's an error. */
errorMessage;
/** Overrides for the header icons, passed in via the stepper. */
iconOverrides;
/** Index of the given step. */
index;
/** Whether the given step is selected. */
selected;
/** Whether the given step label is active. */
active;
/** Whether the given step is optional. */
optional;
/** Whether the ripple should be disabled. */
disableRipple;
/**
* Theme color of the step header. This API is supported in M2 themes only, it
* has no effect in M3 themes. For color customization in M3, see https://material.angular.io/components/stepper/styling.
*
* For information on applying color variants in M3, see
* https://material.angular.io/guide/material-2-theming#optional-add-backwards-compatibility-styles-for-color-variants
*/
color;
constructor() {
super();
const styleLoader = inject(_CdkPrivateStyleLoader);
styleLoader.load(_StructuralStylesLoader);
styleLoader.load(_VisuallyHiddenLoader);
const changeDetectorRef = inject(ChangeDetectorRef);
this._intlSubscription = this._intl.changes.subscribe(() => changeDetectorRef.markForCheck());
}
ngAfterViewInit() {
this._focusMonitor.monitor(this._elementRef, true);
}
ngOnDestroy() {
this._intlSubscription.unsubscribe();
this._focusMonitor.stopMonitoring(this._elementRef);
}
/** Focuses the step header. */
focus(origin, options) {
if (origin) {
this._focusMonitor.focusVia(this._elementRef, origin, options);
}
else {
this._elementRef.nativeElement.focus(options);
}
}
/** Returns string label of given step if it is a text label. */
_stringLabel() {
return this.label instanceof MatStepLabel ? null : this.label;
}
/** Returns MatStepLabel if the label of given step is a template label. */
_templateLabel() {
return this.label instanceof MatStepLabel ? this.label : null;
}
/** Returns the host HTML element. */
_getHostElement() {
return this._elementRef.nativeElement;
}
/** Template context variables that are exposed to the `matStepperIcon` instances. */
_getIconContext() {
return {
index: this.index,
active: this.active,
optional: this.optional,
};
}
_getDefaultTextForState(state) {
if (state == 'number') {
return `${this.index + 1}`;
}
if (state == 'edit') {
return 'create';
}
if (state == 'error') {
return 'warning';
}
return state;
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepHeader, deps: [], target: i0.ɵɵFactoryTarget.Component });
static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "19.2.0", type: MatStepHeader, isStandalone: true, selector: "mat-step-header", inputs: { state: "state", label: "label", errorMessage: "errorMessage", iconOverrides: "iconOverrides", index: "index", selected: "selected", active: "active", optional: "optional", disableRipple: "disableRipple", color: "color" }, host: { attributes: { "role": "tab" }, properties: { "class": "\"mat-\" + (color || \"primary\")" }, classAttribute: "mat-step-header" }, usesInheritance: true, ngImport: i0, template: "<div class=\"mat-step-header-ripple mat-focus-indicator\" matRipple\n [matRippleTrigger]=\"_getHostElement()\"\n [matRippleDisabled]=\"disableRipple\"></div>\n\n<div class=\"mat-step-icon-state-{{state}} mat-step-icon\" [class.mat-step-icon-selected]=\"selected\">\n <div class=\"mat-step-icon-content\">\n @if (iconOverrides && iconOverrides[state]) {\n <ng-container\n [ngTemplateOutlet]=\"iconOverrides[state]\"\n [ngTemplateOutletContext]=\"_getIconContext()\"></ng-container>\n } @else {\n @switch (state) {\n @case ('number') {\n <span aria-hidden=\"true\">{{_getDefaultTextForState(state)}}</span>\n }\n\n @default {\n @if (state === 'done') {\n <span class=\"cdk-visually-hidden\">{{_intl.completedLabel}}</span>\n } @else if (state === 'edit') {\n <span class=\"cdk-visually-hidden\">{{_intl.editableLabel}}</span>\n }\n\n <mat-icon aria-hidden=\"true\">{{_getDefaultTextForState(state)}}</mat-icon>\n }\n }\n }\n </div>\n</div>\n<div class=\"mat-step-label\"\n [class.mat-step-label-active]=\"active\"\n [class.mat-step-label-selected]=\"selected\"\n [class.mat-step-label-error]=\"state == 'error'\">\n @if (_templateLabel(); as templateLabel) {\n <!-- If there is a label template, use it. -->\n <div class=\"mat-step-text-label\">\n <ng-container [ngTemplateOutlet]=\"templateLabel.template\"></ng-container>\n </div>\n } @else if (_stringLabel()) {\n <!-- If there is no label template, fall back to the text label. -->\n <div class=\"mat-step-text-label\">{{label}}</div>\n }\n\n @if (optional && state != 'error') {\n <div class=\"mat-step-optional\">{{_intl.optionalLabel}}</div>\n }\n\n @if (state === 'error') {\n <div class=\"mat-step-sub-label-error\">{{errorMessage}}</div>\n }\n</div>\n\n", styles: [".mat-step-header{overflow:hidden;outline:none;cursor:pointer;position:relative;box-sizing:content-box;-webkit-tap-highlight-color:rgba(0,0,0,0)}.mat-step-header:focus .mat-focus-indicator::before{content:\"\"}.mat-step-header:hover[aria-disabled=true]{cursor:default}.mat-step-header:hover:not([aria-disabled]),.mat-step-header:hover[aria-disabled=false]{background-color:var(--mat-stepper-header-hover-state-layer-color, color-mix(in srgb, var(--mat-sys-inverse-surface) calc(var(--mat-sys-hover-state-layer-opacity) * 100%), transparent));border-radius:var(--mat-stepper-header-hover-state-layer-shape, var(--mat-sys-corner-medium))}.mat-step-header.cdk-keyboard-focused,.mat-step-header.cdk-program-focused{background-color:var(--mat-stepper-header-focus-state-layer-color, color-mix(in srgb, var(--mat-sys-inverse-surface) calc(var(--mat-sys-focus-state-layer-opacity) * 100%), transparent));border-radius:var(--mat-stepper-header-focus-state-layer-shape, var(--mat-sys-corner-medium))}@media(hover: none){.mat-step-header:hover{background:none}}@media(forced-colors: active){.mat-step-header{outline:solid 1px}.mat-step-header[aria-selected=true] .mat-step-label{text-decoration:underline}.mat-step-header[aria-disabled=true]{outline-color:GrayText}.mat-step-header[aria-disabled=true] .mat-step-label,.mat-step-header[aria-disabled=true] .mat-step-icon,.mat-step-header[aria-disabled=true] .mat-step-optional{color:GrayText}}.mat-step-optional{font-size:12px;color:var(--mat-stepper-header-optional-label-text-color, var(--mat-sys-on-surface-variant))}.mat-step-sub-label-error{font-size:12px;font-weight:normal}.mat-step-icon{border-radius:50%;height:24px;width:24px;flex-shrink:0;position:relative;color:var(--mat-stepper-header-icon-foreground-color, var(--mat-sys-surface));background-color:var(--mat-stepper-header-icon-background-color, var(--mat-sys-on-surface-variant))}.mat-step-icon-content{position:absolute;top:50%;left:50%;transform:translate(-50%, -50%);display:flex}.mat-step-icon .mat-icon{font-size:16px;height:16px;width:16px}.mat-step-icon-state-error{background-color:var(--mat-stepper-header-error-state-icon-background-color, transparent);color:var(--mat-stepper-header-error-state-icon-foreground-color, var(--mat-sys-error))}.mat-step-icon-state-error .mat-icon{font-size:24px;height:24px;width:24px}.mat-step-label{display:inline-block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:50px;vertical-align:middle;font-family:var(--mat-stepper-header-label-text-font, var(--mat-sys-title-small-font));font-size:var(--mat-stepper-header-label-text-size, var(--mat-sys-title-small-size));font-weight:var(--mat-stepper-header-label-text-weight, var(--mat-sys-title-small-weight));color:var(--mat-stepper-header-label-text-color, var(--mat-sys-on-surface-variant))}.mat-step-label.mat-step-label-active{color:var(--mat-stepper-header-selected-state-label-text-color, var(--mat-sys-on-surface-variant))}.mat-step-label.mat-step-label-error{color:var(--mat-stepper-header-error-state-label-text-color, var(--mat-sys-error));font-size:var(--mat-stepper-header-error-state-label-text-size, var(--mat-sys-title-small-size))}.mat-step-label.mat-step-label-selected{font-size:var(--mat-stepper-header-selected-state-label-text-size, var(--mat-sys-title-small-size));font-weight:var(--mat-stepper-header-selected-state-label-text-weight, var(--mat-sys-title-small-weight))}.mat-step-text-label{text-overflow:ellipsis;overflow:hidden}.mat-step-header .mat-step-header-ripple{top:0;left:0;right:0;bottom:0;position:absolute;pointer-events:none}.mat-step-icon-selected{background-color:var(--mat-stepper-header-selected-state-icon-background-color, var(--mat-sys-primary));color:var(--mat-stepper-header-selected-state-icon-foreground-color, var(--mat-sys-on-primary))}.mat-step-icon-state-done{background-color:var(--mat-stepper-header-done-state-icon-background-color);color:var(--mat-stepper-header-done-state-icon-foreground-color)}.mat-step-icon-state-edit{background-color:var(--mat-stepper-header-edit-state-icon-background-color, var(--mat-sys-primary));color:var(--mat-stepper-header-edit-state-icon-foreground-color, var(--mat-sys-on-primary))}"], dependencies: [{ kind: "directive", type: MatRipple, selector: "[mat-ripple], [matRipple]", inputs: ["matRippleColor", "matRippleUnbounded", "matRippleCentered", "matRippleRadius", "matRippleAnimation", "matRippleDisabled", "matRippleTrigger"], exportAs: ["matRipple"] }, { kind: "directive", type: NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "component", type: MatIcon, selector: "mat-icon", inputs: ["color", "inline", "svgIcon", "fontSet", "fontIcon"], exportAs: ["matIcon"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepHeader, decorators: [{
type: Component,
args: [{ selector: 'mat-step-header', host: {
'class': 'mat-step-header',
'[class]': '"mat-" + (color || "primary")',
'role': 'tab',
}, encapsulation: ViewEncapsulation.None, changeDetection: ChangeDetectionStrategy.OnPush, imports: [MatRipple, NgTemplateOutlet, MatIcon], template: "<div class=\"mat-step-header-ripple mat-focus-indicator\" matRipple\n [matRippleTrigger]=\"_getHostElement()\"\n [matRippleDisabled]=\"disableRipple\"></div>\n\n<div class=\"mat-step-icon-state-{{state}} mat-step-icon\" [class.mat-step-icon-selected]=\"selected\">\n <div class=\"mat-step-icon-content\">\n @if (iconOverrides && iconOverrides[state]) {\n <ng-container\n [ngTemplateOutlet]=\"iconOverrides[state]\"\n [ngTemplateOutletContext]=\"_getIconContext()\"></ng-container>\n } @else {\n @switch (state) {\n @case ('number') {\n <span aria-hidden=\"true\">{{_getDefaultTextForState(state)}}</span>\n }\n\n @default {\n @if (state === 'done') {\n <span class=\"cdk-visually-hidden\">{{_intl.completedLabel}}</span>\n } @else if (state === 'edit') {\n <span class=\"cdk-visually-hidden\">{{_intl.editableLabel}}</span>\n }\n\n <mat-icon aria-hidden=\"true\">{{_getDefaultTextForState(state)}}</mat-icon>\n }\n }\n }\n </div>\n</div>\n<div class=\"mat-step-label\"\n [class.mat-step-label-active]=\"active\"\n [class.mat-step-label-selected]=\"selected\"\n [class.mat-step-label-error]=\"state == 'error'\">\n @if (_templateLabel(); as templateLabel) {\n <!-- If there is a label template, use it. -->\n <div class=\"mat-step-text-label\">\n <ng-container [ngTemplateOutlet]=\"templateLabel.template\"></ng-container>\n </div>\n } @else if (_stringLabel()) {\n <!-- If there is no label template, fall back to the text label. -->\n <div class=\"mat-step-text-label\">{{label}}</div>\n }\n\n @if (optional && state != 'error') {\n <div class=\"mat-step-optional\">{{_intl.optionalLabel}}</div>\n }\n\n @if (state === 'error') {\n <div class=\"mat-step-sub-label-error\">{{errorMessage}}</div>\n }\n</div>\n\n", styles: [".mat-step-header{overflow:hidden;outline:none;cursor:pointer;position:relative;box-sizing:content-box;-webkit-tap-highlight-color:rgba(0,0,0,0)}.mat-step-header:focus .mat-focus-indicator::before{content:\"\"}.mat-step-header:hover[aria-disabled=true]{cursor:default}.mat-step-header:hover:not([aria-disabled]),.mat-step-header:hover[aria-disabled=false]{background-color:var(--mat-stepper-header-hover-state-layer-color, color-mix(in srgb, var(--mat-sys-inverse-surface) calc(var(--mat-sys-hover-state-layer-opacity) * 100%), transparent));border-radius:var(--mat-stepper-header-hover-state-layer-shape, var(--mat-sys-corner-medium))}.mat-step-header.cdk-keyboard-focused,.mat-step-header.cdk-program-focused{background-color:var(--mat-stepper-header-focus-state-layer-color, color-mix(in srgb, var(--mat-sys-inverse-surface) calc(var(--mat-sys-focus-state-layer-opacity) * 100%), transparent));border-radius:var(--mat-stepper-header-focus-state-layer-shape, var(--mat-sys-corner-medium))}@media(hover: none){.mat-step-header:hover{background:none}}@media(forced-colors: active){.mat-step-header{outline:solid 1px}.mat-step-header[aria-selected=true] .mat-step-label{text-decoration:underline}.mat-step-header[aria-disabled=true]{outline-color:GrayText}.mat-step-header[aria-disabled=true] .mat-step-label,.mat-step-header[aria-disabled=true] .mat-step-icon,.mat-step-header[aria-disabled=true] .mat-step-optional{color:GrayText}}.mat-step-optional{font-size:12px;color:var(--mat-stepper-header-optional-label-text-color, var(--mat-sys-on-surface-variant))}.mat-step-sub-label-error{font-size:12px;font-weight:normal}.mat-step-icon{border-radius:50%;height:24px;width:24px;flex-shrink:0;position:relative;color:var(--mat-stepper-header-icon-foreground-color, var(--mat-sys-surface));background-color:var(--mat-stepper-header-icon-background-color, var(--mat-sys-on-surface-variant))}.mat-step-icon-content{position:absolute;top:50%;left:50%;transform:translate(-50%, -50%);display:flex}.mat-step-icon .mat-icon{font-size:16px;height:16px;width:16px}.mat-step-icon-state-error{background-color:var(--mat-stepper-header-error-state-icon-background-color, transparent);color:var(--mat-stepper-header-error-state-icon-foreground-color, var(--mat-sys-error))}.mat-step-icon-state-error .mat-icon{font-size:24px;height:24px;width:24px}.mat-step-label{display:inline-block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:50px;vertical-align:middle;font-family:var(--mat-stepper-header-label-text-font, var(--mat-sys-title-small-font));font-size:var(--mat-stepper-header-label-text-size, var(--mat-sys-title-small-size));font-weight:var(--mat-stepper-header-label-text-weight, var(--mat-sys-title-small-weight));color:var(--mat-stepper-header-label-text-color, var(--mat-sys-on-surface-variant))}.mat-step-label.mat-step-label-active{color:var(--mat-stepper-header-selected-state-label-text-color, var(--mat-sys-on-surface-variant))}.mat-step-label.mat-step-label-error{color:var(--mat-stepper-header-error-state-label-text-color, var(--mat-sys-error));font-size:var(--mat-stepper-header-error-state-label-text-size, var(--mat-sys-title-small-size))}.mat-step-label.mat-step-label-selected{font-size:var(--mat-stepper-header-selected-state-label-text-size, var(--mat-sys-title-small-size));font-weight:var(--mat-stepper-header-selected-state-label-text-weight, var(--mat-sys-title-small-weight))}.mat-step-text-label{text-overflow:ellipsis;overflow:hidden}.mat-step-header .mat-step-header-ripple{top:0;left:0;right:0;bottom:0;position:absolute;pointer-events:none}.mat-step-icon-selected{background-color:var(--mat-stepper-header-selected-state-icon-background-color, var(--mat-sys-primary));color:var(--mat-stepper-header-selected-state-icon-foreground-color, var(--mat-sys-on-primary))}.mat-step-icon-state-done{background-color:var(--mat-stepper-header-done-state-icon-background-color);color:var(--mat-stepper-header-done-state-icon-foreground-color)}.mat-step-icon-state-edit{background-color:var(--mat-stepper-header-edit-state-icon-background-color, var(--mat-sys-primary));color:var(--mat-stepper-header-edit-state-icon-foreground-color, var(--mat-sys-on-primary))}"] }]
}], ctorParameters: () => [], propDecorators: { state: [{
type: Input
}], label: [{
type: Input
}], errorMessage: [{
type: Input
}], iconOverrides: [{
type: Input
}], index: [{
type: Input
}], selected: [{
type: Input
}], active: [{
type: Input
}], optional: [{
type: Input
}], disableRipple: [{
type: Input
}], color: [{
type: Input
}] } });
/**
* Template to be used to override the icons inside the step header.
*/
class MatStepperIcon {
templateRef = inject(TemplateRef);
/** Name of the icon to be overridden. */
name;
constructor() { }
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepperIcon, deps: [], target: i0.ɵɵFactoryTarget.Directive });
static ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "19.2.0", type: MatStepperIcon, isStandalone: true, selector: "ng-template[matStepperIcon]", inputs: { name: ["matStepperIcon", "name"] }, ngImport: i0 });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepperIcon, decorators: [{
type: Directive,
args: [{
selector: 'ng-template[matStepperIcon]',
}]
}], ctorParameters: () => [], propDecorators: { name: [{
type: Input,
args: ['matStepperIcon']
}] } });
/**
* Content for a `mat-step` that will be rendered lazily.
*/
class MatStepContent {
_template = inject(TemplateRef);
constructor() { }
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepContent, deps: [], target: i0.ɵɵFactoryTarget.Directive });
static ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "19.2.0", type: MatStepContent, isStandalone: true, selector: "ng-template[matStepContent]", ngImport: i0 });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepContent, decorators: [{
type: Directive,
args: [{
selector: 'ng-template[matStepContent]',
}]
}], ctorParameters: () => [] });
class MatStep extends CdkStep {
_errorStateMatcher = inject(ErrorStateMatcher, { skipSelf: true });
_viewContainerRef = inject(ViewContainerRef);
_isSelected = Subscription.EMPTY;
/** Content for step label given by `<ng-template matStepLabel>`. */
// We need an initializer here to avoid a TS error.
stepLabel = undefined;
/**
* Theme color for the particular step. This API is supported in M2 themes
* only, it has no effect in M3 themes. For color customization in M3, see https://material.angular.io/components/stepper/styling.
*
* For information on applying color variants in M3, see
* https://material.angular.io/guide/material-2-theming#optional-add-backwards-compatibility-styles-for-color-variants
*/
color;
/** Content that will be rendered lazily. */
_lazyContent;
/** Currently-attached portal containing the lazy content. */
_portal;
ngAfterContentInit() {
this._isSelected = this._stepper.steps.changes
.pipe(switchMap(() => {
return this._stepper.selectionChange.pipe(map(event => event.selectedStep === this), startWith(this._stepper.selected === this));
}))
.subscribe(isSelected => {
if (isSelected && this._lazyContent && !this._portal) {
this._portal = new TemplatePortal(this._lazyContent._template, this._viewContainerRef);
}
});
}
ngOnDestroy() {
this._isSelected.unsubscribe();
}
/** Custom error state matcher that additionally checks for validity of interacted form. */
isErrorState(control, form) {
const originalErrorState = this._errorStateMatcher.isErrorState(control, form);
// Custom error state checks for the validity of form that is not submitted or touched
// since user can trigger a form change by calling for another step without directly
// interacting with the current form.
const customErrorState = !!(control && control.invalid && this.interacted);
return originalErrorState || customErrorState;
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStep, deps: null, target: i0.ɵɵFactoryTarget.Component });
static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "19.2.0", type: MatStep, isStandalone: true, selector: "mat-step", inputs: { color: "color" }, host: { attributes: { "hidden": "" } }, providers: [
{ provide: ErrorStateMatcher, useExisting: MatStep },
{ provide: CdkStep, useExisting: MatStep },
], queries: [{ propertyName: "stepLabel", first: true, predicate: MatStepLabel, descendants: true }, { propertyName: "_lazyContent", first: true, predicate: MatStepContent, descendants: true }], exportAs: ["matStep"], usesInheritance: true, ngImport: i0, template: "<ng-template>\n <ng-content></ng-content>\n <ng-template [cdkPortalOutlet]=\"_portal\"></ng-template>\n</ng-template>\n", dependencies: [{ kind: "directive", type: CdkPortalOutlet, selector: "[cdkPortalOutlet]", inputs: ["cdkPortalOutlet"], outputs: ["attached"], exportAs: ["cdkPortalOutlet"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStep, decorators: [{
type: Component,
args: [{ selector: 'mat-step', providers: [
{ provide: ErrorStateMatcher, useExisting: MatStep },
{ provide: CdkStep, useExisting: MatStep },
], encapsulation: ViewEncapsulation.None, exportAs: 'matStep', changeDetection: ChangeDetectionStrategy.OnPush, imports: [CdkPortalOutlet], host: {
'hidden': '', // Hide the steps so they don't affect the layout.
}, template: "<ng-template>\n <ng-content></ng-content>\n <ng-template [cdkPortalOutlet]=\"_portal\"></ng-template>\n</ng-template>\n" }]
}], propDecorators: { stepLabel: [{
type: ContentChild,
args: [MatStepLabel]
}], color: [{
type: Input
}], _lazyContent: [{
type: ContentChild,
args: [MatStepContent, { static: false }]
}] } });
class MatStepper extends CdkStepper {
_ngZone = inject(NgZone);
_renderer = inject(Renderer2);
_animationsModule = inject(ANIMATION_MODULE_TYPE, { optional: true });
_cleanupTransition;
_isAnimating = signal(false);
/** The list of step headers of the steps in the stepper. */
_stepHeader = undefined;
/** Elements hosting the step animations. */
_animatedContainers;
/** Full list of steps inside the stepper, including inside nested steppers. */
_steps = undefined;
/** Steps that belong to the current stepper, excluding ones from nested steppers. */
steps = new QueryList();
/** Custom icon overrides passed in by the consumer. */
_icons;
/** Event emitted when the current step is done transitioning in. */
animationDone = new EventEmitter();
/** Whether ripples should be disabled for the step headers. */
disableRipple;
/**
* Theme color for all of the steps in stepper. This API is supported in M2
* themes only, it has no effect in M3 themes. For color customization in M3, see https://material.angular.io/components/stepper/styling.
*
* For information on applying color variants in M3, see
* https://material.angular.io/guide/material-2-theming#optional-add-backwards-compatibility-styles-for-color-variants
*/
color;
/**
* Whether the label should display in bottom or end position.
* Only applies in the `horizontal` orientation.
*/
labelPosition = 'end';
/**
* Position of the stepper's header.
* Only applies in the `horizontal` orientation.
*/
headerPosition = 'top';
/** Consumer-specified template-refs to be used to override the header icons. */
_iconOverrides = {};
/** Duration for the animation. Will be normalized to milliseconds if no units are set. */
get animationDuration() {
return this._animationDuration;
}
set animationDuration(value) {
this._animationDuration = /^\d+$/.test(value) ? value + 'ms' : value;
}
_animationDuration = '';
/** Whether the stepper is rendering on the server. */
_isServer = !inject(Platform).isBrowser;
constructor() {
super();
const elementRef = inject(ElementRef);
const nodeName = elementRef.nativeElement.nodeName.toLowerCase();
this.orientation = nodeName === 'mat-vertical-stepper' ? 'vertical' : 'horizontal';
}
ngAfterContentInit() {
super.ngAfterContentInit();
this._icons.forEach(({ name, templateRef }) => (this._iconOverrides[name] = templateRef));
// Mark the component for change detection whenever the content children query changes
this.steps.changes.pipe(takeUntil(this._destroyed)).subscribe(() => this._stateChanged());
// Transition events won't fire if animations are disabled so we simulate them.
this.selectedIndexChange.pipe(takeUntil(this._destroyed)).subscribe(() => {
const duration = this._getAnimationDuration();
if (duration === '0ms' || duration === '0s') {
this._onAnimationDone();
}
else {
this._isAnimating.set(true);
}
});
this._ngZone.runOutsideAngular(() => {
if (this._animationsModule !== 'NoopAnimations') {
setTimeout(() => {
// Delay enabling the animations so we don't animate the initial state.
this._elementRef.nativeElement.classList.add('mat-stepper-animations-enabled');
// Bind this outside the zone since it fires for all transitions inside the stepper.
this._cleanupTransition = this._renderer.listen(this._elementRef.nativeElement, 'transitionend', this._handleTransitionend);
}, 200);
}
});
}
ngAfterViewInit() {
super.ngAfterViewInit();
// Prior to #30314 the stepper had animation `done` events bound to each animated container.
// The animations module was firing them on initialization and for each subsequent animation.
// Since the events were bound in the template, it had the unintended side-effect of triggering
// change detection as well. It appears that this side-effect ended up being load-bearing,
// because it was ensuring that the content elements (e.g. `matStepLabel`) that are defined
// in sub-components actually get picked up in a timely fashion. This subscription simulates
// the same change detection by using `queueMicrotask` similarly to the animations module.
if (typeof queueMicrotask === 'function') {
let hasEmittedInitial = false;
this._animatedContainers.changes
.pipe(startWith(null), takeUntil(this._destroyed))
.subscribe(() => queueMicrotask(() => {
// Simulate the initial `animationDone` event
// that gets emitted by the animations module.
if (!hasEmittedInitial) {
hasEmittedInitial = true;
this.animationDone.emit();
}
this._stateChanged();
}));
}
}
ngOnDestroy() {
super.ngOnDestroy();
this._cleanupTransition?.();
}
_stepIsNavigable(index, step) {
return step.completed || this.selectedIndex === index || !this.linear;
}
_getAnimationDuration() {
if (this._animationsModule === 'NoopAnimations') {
return '0ms';
}
if (this.animationDuration) {
return this.animationDuration;
}
return this.orientation === 'horizontal' ? '500ms' : '225ms';
}
_handleTransitionend = (event) => {
const target = event.target;
if (!target) {
return;
}
// Because we bind a single `transitionend` handler on the host node and because transition
// events bubble, we have to filter down to only the active step so don't emit events too
// often. We check the orientation and `property` name first to reduce the amount of times
// we need to check the DOM.
const isHorizontalActiveElement = this.orientation === 'horizontal' &&
event.propertyName === 'transform' &&
target.classList.contains('mat-horizontal-stepper-content-current');
const isVerticalActiveElement = this.orientation === 'vertical' &&
event.propertyName === 'grid-template-rows' &&
target.classList.contains('mat-vertical-content-container-active');
// Finally we need to ensure that the animated element is a direct descendant,
// rather than one coming from a nested stepper.
const shouldEmit = (isHorizontalActiveElement || isVerticalActiveElement) &&
this._animatedContainers.find(ref => ref.nativeElement === target);
if (shouldEmit) {
this._onAnimationDone();
}
};
_onAnimationDone() {
this._isAnimating.set(false);
this.animationDone.emit();
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepper, deps: [], target: i0.ɵɵFactoryTarget.Component });
static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "19.2.0", type: MatStepper, isStandalone: true, selector: "mat-stepper, mat-vertical-stepper, mat-horizontal-stepper, [matStepper]", inputs: { disableRipple: "disableRipple", color: "color", labelPosition: "labelPosition", headerPosition: "headerPosition", animationDuration: "animationDuration" }, outputs: { animationDone: "animationDone" }, host: { attributes: { "role": "tablist" }, properties: { "class.mat-stepper-horizontal": "orientation === \"horizontal\"", "class.mat-stepper-vertical": "orientation === \"vertical\"", "class.mat-stepper-label-position-end": "orientation === \"horizontal\" && labelPosition == \"end\"", "class.mat-stepper-label-position-bottom": "orientation === \"horizontal\" && labelPosition == \"bottom\"", "class.mat-stepper-header-position-bottom": "headerPosition === \"bottom\"", "class.mat-stepper-animating": "_isAnimating()", "style.--mat-stepper-animation-duration": "_getAnimationDuration()", "attr.aria-orientation": "orientation" } }, providers: [{ provide: CdkStepper, useExisting: MatStepper }], queries: [{ propertyName: "_steps", predicate: MatStep, descendants: true }, { propertyName: "_icons", predicate: MatStepperIcon, descendants: true }], viewQueries: [{ propertyName: "_stepHeader", predicate: MatStepHeader, descendants: true }, { propertyName: "_animatedContainers", predicate: ["animatedContainer"], descendants: true }], exportAs: ["matStepper", "matVerticalStepper", "matHorizontalStepper"], usesInheritance: true, ngImport: i0, template: "<!--\n We need to project the content somewhere to avoid hydration errors. Some observations:\n 1. This is only necessary on the server.\n 2. We get a hydration error if there aren't any nodes after the `ng-content`.\n 3. We get a hydration error if `ng-content` is wrapped in another element.\n-->\n@if (_isServer) {\n <ng-content/>\n}\n\n@switch (orientation) {\n @case ('horizontal') {\n <div class=\"mat-horizontal-stepper-wrapper\">\n <div class=\"mat-horizontal-stepper-header-container\">\n @for (step of steps; track step) {\n <ng-container\n [ngTemplateOutlet]=\"stepTemplate\"\n [ngTemplateOutletContext]=\"{step, i: $index}\"/>\n @if (!$last) {\n <div class=\"mat-stepper-horizontal-line\"></div>\n }\n }\n </div>\n\n <div class=\"mat-horizontal-content-container\">\n @for (step of steps; track step) {\n <div\n #animatedContainer\n class=\"mat-horizontal-stepper-content\"\n role=\"tabpanel\"\n [id]=\"_getStepContentId($index)\"\n [attr.aria-labelledby]=\"_getStepLabelId($index)\"\n [class]=\"'mat-horizontal-stepper-content-' + _getAnimationDirection($index)\"\n [attr.inert]=\"selectedIndex === $index ? null : ''\">\n <ng-container [ngTemplateOutlet]=\"step.content\"/>\n </div>\n }\n </div>\n </div>\n }\n\n @case ('vertical') {\n @for (step of steps; track step) {\n <div class=\"mat-step\">\n <ng-container\n [ngTemplateOutlet]=\"stepTemplate\"\n [ngTemplateOutletContext]=\"{step, i: $index}\"/>\n <div\n #animatedContainer\n class=\"mat-vertical-content-container\"\n [class.mat-stepper-vertical-line]=\"!$last\"\n [class.mat-vertical-content-container-active]=\"selectedIndex === $index\"\n [attr.inert]=\"selectedIndex === $index ? null : ''\">\n <div class=\"mat-vertical-stepper-content\"\n role=\"tabpanel\"\n [id]=\"_getStepContentId($index)\"\n [attr.aria-labelledby]=\"_getStepLabelId($index)\">\n <div class=\"mat-vertical-content\">\n <ng-container [ngTemplateOutlet]=\"step.content\"/>\n </div>\n </div>\n </div>\n </div>\n }\n }\n}\n\n<!-- Common step templating -->\n<ng-template let-step=\"step\" let-i=\"i\" #stepTemplate>\n <mat-step-header\n [class.mat-horizontal-stepper-header]=\"orientation === 'horizontal'\"\n [class.mat-vertical-stepper-header]=\"orientation === 'vertical'\"\n (click)=\"step.select()\"\n (keydown)=\"_onKeydown($event)\"\n [tabIndex]=\"_getFocusIndex() === i ? 0 : -1\"\n [id]=\"_getStepLabelId(i)\"\n [attr.aria-posinset]=\"i + 1\"\n [attr.aria-setsize]=\"steps.length\"\n [attr.aria-controls]=\"_getStepContentId(i)\"\n [attr.aria-selected]=\"selectedIndex == i\"\n [attr.aria-label]=\"step.ariaLabel || null\"\n [attr.aria-labelledby]=\"(!step.ariaLabel && step.ariaLabelledby) ? step.ariaLabelledby : null\"\n [attr.aria-disabled]=\"_stepIsNavigable(i, step) ? null : true\"\n [index]=\"i\"\n [state]=\"_getIndicatorType(i, step.state)\"\n [label]=\"step.stepLabel || step.label\"\n [selected]=\"selectedIndex === i\"\n [active]=\"_stepIsNavigable(i, step)\"\n [optional]=\"step.optional\"\n [errorMessage]=\"step.errorMessage\"\n [iconOverrides]=\"_iconOverrides\"\n [disableRipple]=\"disableRipple || !_stepIsNavigable(i, step)\"\n [color]=\"step.color || color\"/>\n</ng-template>\n", styles: [".mat-stepper-vertical,.mat-stepper-horizontal{display:block;font-family:var(--mat-stepper-container-text-font, var(--mat-sys-body-medium-font));background:var(--mat-stepper-container-color, var(--mat-sys-surface))}.mat-horizontal-stepper-header-container{white-space:nowrap;display:flex;align-items:center}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header-container{align-items:flex-start}.mat-stepper-header-position-bottom .mat-horizontal-stepper-header-container{order:1}.mat-stepper-horizontal-line{border-top-width:1px;border-top-style:solid;flex:auto;height:0;margin:0 -16px;min-width:32px;border-top-color:var(--mat-stepper-line-color, var(--mat-sys-outline))}.mat-stepper-label-position-bottom .mat-stepper-horizontal-line{margin:0;min-width:0;position:relative;top:calc(calc((var(--mat-stepper-header-height, 72px) - 24px) / 2) + 12px)}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::before,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::before,.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::after,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::after{border-top-width:1px;border-top-style:solid;content:\"\";display:inline-block;height:0;position:absolute;width:calc(50% - 20px)}.mat-horizontal-stepper-header{display:flex;height:72px;overflow:hidden;align-items:center;padding:0 24px;height:var(--mat-stepper-header-height, 72px)}.mat-horizontal-stepper-header .mat-step-icon{margin-right:8px;flex:none}[dir=rtl] .mat-horizontal-stepper-header .mat-step-icon{margin-right:0;margin-left:8px}.mat-horizontal-stepper-header::before,.mat-horizontal-stepper-header::after{border-top-color:var(--mat-stepper-line-color, var(--mat-sys-outline))}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header{padding:calc((var(--mat-stepper-header-height, 72px) - 24px) / 2) 24px}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header::before,.mat-stepper-label-position-bottom .mat-horizontal-stepper-header::after{top:calc(calc((var(--mat-stepper-header-height, 72px) - 24px) / 2) + 12px)}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header{box-sizing:border-box;flex-direction:column;height:auto}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::after,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::after{right:0}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::before,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::before{left:0}[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:last-child::before,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:first-child::after{display:none}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header .mat-step-icon{margin-right:0;margin-left:0}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header .mat-step-label{padding:16px 0 0 0;text-align:center;width:100%}.mat-vertical-stepper-header{display:flex;align-items:center;height:24px;padding:calc((var(--mat-stepper-header-height, 72px) - 24px) / 2) 24px}.mat-vertical-stepper-header .mat-step-icon{margin-right:12px}[dir=rtl] .mat-vertical-stepper-header .mat-step-icon{margin-right:0;margin-left:12px}.mat-horizontal-stepper-wrapper{display:flex;flex-direction:column}.mat-horizontal-stepper-content{visibility:hidden;overflow:hidden;outline:0;height:0}.mat-stepper-animations-enabled .mat-horizontal-stepper-content{transition:transform var(--mat-stepper-animation-duration, 0) cubic-bezier(0.35, 0, 0.25, 1)}.mat-horizontal-stepper-content.mat-horizontal-stepper-content-previous{transform:translate3d(-100%, 0, 0)}.mat-horizontal-stepper-content.mat-horizontal-stepper-content-next{transform:translate3d(100%, 0, 0)}.mat-horizontal-stepper-content.mat-horizontal-stepper-content-current{visibility:visible;transform:none;height:auto}.mat-stepper-horizontal:not(.mat-stepper-animating) .mat-horizontal-stepper-content.mat-horizontal-stepper-content-current{overflow:visible}.mat-horizontal-content-container{overflow:hidden;padding:0 24px 24px 24px}@media(forced-colors: active){.mat-horizontal-content-container{outline:solid 1px}}.mat-stepper-header-position-bottom .mat-horizontal-content-container{padding:24px 24px 0 24px}.mat-vertical-content-container{display:grid;grid-template-rows:0fr;grid-template-columns:100%;margin-left:36px;border:0;position:relative}.mat-stepper-animations-enabled .mat-vertical-content-container{transition:grid-template-rows var(--mat-stepper-animation-duration, 0) cubic-bezier(0.4, 0, 0.2, 1)}.mat-vertical-content-container.mat-vertical-content-container-active{grid-template-rows:1fr}.mat-step:last-child .mat-vertical-content-container{border:none}@media(forced-colors: active){.mat-vertical-content-container{outline:solid 1px}}[dir=rtl] .mat-vertical-content-container{margin-left:0;margin-right:36px}@supports not (grid-template-rows: 0fr){.mat-vertical-content-container{height:0}.mat-vertical-content-container.mat-vertical-content-container-active{height:auto}}.mat-stepper-vertical-line::before{content:\"\";position:absolute;left:0;border-left-width:1px;border-left-style:solid;border-left-color:var(--mat-stepper-line-color, var(--mat-sys-outline));top:calc(8px - calc((var(--mat-stepper-header-height, 72px) - 24px) / 2));bottom:calc(8px - calc((var(--mat-stepper-header-height, 72px) - 24px) / 2))}[dir=rtl] .mat-stepper-vertical-line::before{left:auto;right:0}.mat-vertical-stepper-content{overflow:hidden;outline:0;visibility:hidden}.mat-stepper-animations-enabled .mat-vertical-stepper-content{transition:visibility var(--mat-stepper-animation-duration, 0) linear}.mat-vertical-content-container-active>.mat-vertical-stepper-content{visibility:visible}.mat-vertical-content{padding:0 24px 24px 24px}"], dependencies: [{ kind: "directive", type: NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "component", type: MatStepHeader, selector: "mat-step-header", inputs: ["state", "label", "errorMessage", "iconOverrides", "index", "selected", "active", "optional", "disableRipple", "color"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatStepper, decorators: [{
type: Component,
args: [{ selector: 'mat-stepper, mat-vertical-stepper, mat-horizontal-stepper, [matStepper]', exportAs: 'matStepper, matVerticalStepper, matHorizontalStepper', host: {
'[class.mat-stepper-horizontal]': 'orientation === "horizontal"',
'[class.mat-stepper-vertical]': 'orientation === "vertical"',
'[class.mat-stepper-label-position-end]': 'orientation === "horizontal" && labelPosition == "end"',
'[class.mat-stepper-label-position-bottom]': 'orientation === "horizontal" && labelPosition == "bottom"',
'[class.mat-stepper-header-position-bottom]': 'headerPosition === "bottom"',
'[class.mat-stepper-animating]': '_isAnimating()',
'[style.--mat-stepper-animation-duration]': '_getAnimationDuration()',
'[attr.aria-orientation]': 'orientation',
'role': 'tablist',
}, providers: [{ provide: CdkStepper, useExisting: MatStepper }], encapsulation: ViewEncapsulation.None, changeDetection: ChangeDetectionStrategy.OnPush, imports: [NgTemplateOutlet, MatStepHeader], template: "<!--\n We need to project the content somewhere to avoid hydration errors. Some observations:\n 1. This is only necessary on the server.\n 2. We get a hydration error if there aren't any nodes after the `ng-content`.\n 3. We get a hydration error if `ng-content` is wrapped in another element.\n-->\n@if (_isServer) {\n <ng-content/>\n}\n\n@switch (orientation) {\n @case ('horizontal') {\n <div class=\"mat-horizontal-stepper-wrapper\">\n <div class=\"mat-horizontal-stepper-header-container\">\n @for (step of steps; track step) {\n <ng-container\n [ngTemplateOutlet]=\"stepTemplate\"\n [ngTemplateOutletContext]=\"{step, i: $index}\"/>\n @if (!$last) {\n <div class=\"mat-stepper-horizontal-line\"></div>\n }\n }\n </div>\n\n <div class=\"mat-horizontal-content-container\">\n @for (step of steps; track step) {\n <div\n #animatedContainer\n class=\"mat-horizontal-stepper-content\"\n role=\"tabpanel\"\n [id]=\"_getStepContentId($index)\"\n [attr.aria-labelledby]=\"_getStepLabelId($index)\"\n [class]=\"'mat-horizontal-stepper-content-' + _getAnimationDirection($index)\"\n [attr.inert]=\"selectedIndex === $index ? null : ''\">\n <ng-container [ngTemplateOutlet]=\"step.content\"/>\n </div>\n }\n </div>\n </div>\n }\n\n @case ('vertical') {\n @for (step of steps; track step) {\n <div class=\"mat-step\">\n <ng-container\n [ngTemplateOutlet]=\"stepTemplate\"\n [ngTemplateOutletContext]=\"{step, i: $index}\"/>\n <div\n #animatedContainer\n class=\"mat-vertical-content-container\"\n [class.mat-stepper-vertical-line