[6a3a178] | 1 | import { Directive, NgZone, ElementRef, Renderer2, Optional, Inject, Input, NgModule } from '@angular/core';
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| 2 | import { mixinDisabled, MatCommonModule } from '@angular/material/core';
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| 3 | import { AriaDescriber, A11yModule } from '@angular/cdk/a11y';
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| 4 | import { coerceBooleanProperty } from '@angular/cdk/coercion';
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| 5 | import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
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| 6 |
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| 7 | /**
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| 8 | * @license
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| 9 | * Copyright Google LLC All Rights Reserved.
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| 10 | *
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| 11 | * Use of this source code is governed by an MIT-style license that can be
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| 12 | * found in the LICENSE file at https://angular.io/license
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| 13 | */
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| 14 | let nextId = 0;
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| 15 | // Boilerplate for applying mixins to MatBadge.
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| 16 | /** @docs-private */
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| 17 | const _MatBadgeBase = mixinDisabled(class {
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| 18 | });
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| 19 | const BADGE_CONTENT_CLASS = 'mat-badge-content';
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| 20 | /** Directive to display a text badge. */
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| 21 | class MatBadge extends _MatBadgeBase {
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| 22 | constructor(_ngZone, _elementRef, _ariaDescriber, _renderer, _animationMode) {
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| 23 | super();
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| 24 | this._ngZone = _ngZone;
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| 25 | this._elementRef = _elementRef;
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| 26 | this._ariaDescriber = _ariaDescriber;
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| 27 | this._renderer = _renderer;
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| 28 | this._animationMode = _animationMode;
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| 29 | this._color = 'primary';
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| 30 | this._overlap = true;
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| 31 | /**
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| 32 | * Position the badge should reside.
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| 33 | * Accepts any combination of 'above'|'below' and 'before'|'after'
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| 34 | */
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| 35 | this.position = 'above after';
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| 36 | /** Size of the badge. Can be 'small', 'medium', or 'large'. */
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| 37 | this.size = 'medium';
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| 38 | /** Unique id for the badge */
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| 39 | this._id = nextId++;
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| 40 | /** Whether the OnInit lifecycle hook has run yet */
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| 41 | this._isInitialized = false;
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| 42 | if (typeof ngDevMode === 'undefined' || ngDevMode) {
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| 43 | const nativeElement = _elementRef.nativeElement;
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| 44 | if (nativeElement.nodeType !== nativeElement.ELEMENT_NODE) {
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| 45 | throw Error('matBadge must be attached to an element node.');
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| 46 | }
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| 47 | }
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| 48 | }
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| 49 | /** The color of the badge. Can be `primary`, `accent`, or `warn`. */
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| 50 | get color() { return this._color; }
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| 51 | set color(value) {
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| 52 | this._setColor(value);
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| 53 | this._color = value;
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| 54 | }
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| 55 | /** Whether the badge should overlap its contents or not */
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| 56 | get overlap() { return this._overlap; }
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| 57 | set overlap(val) {
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| 58 | this._overlap = coerceBooleanProperty(val);
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| 59 | }
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| 60 | /** The content for the badge */
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| 61 | get content() {
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| 62 | return this._content;
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| 63 | }
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| 64 | set content(newContent) {
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| 65 | this._updateRenderedContent(newContent);
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| 66 | }
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| 67 | /** Message used to describe the decorated element via aria-describedby */
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| 68 | get description() { return this._description; }
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| 69 | set description(newDescription) {
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| 70 | this._updateHostAriaDescription(newDescription);
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| 71 | }
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| 72 | /** Whether the badge is hidden. */
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| 73 | get hidden() { return this._hidden; }
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| 74 | set hidden(val) {
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| 75 | this._hidden = coerceBooleanProperty(val);
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| 76 | }
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| 77 | /** Whether the badge is above the host or not */
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| 78 | isAbove() {
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| 79 | return this.position.indexOf('below') === -1;
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| 80 | }
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| 81 | /** Whether the badge is after the host or not */
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| 82 | isAfter() {
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| 83 | return this.position.indexOf('before') === -1;
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| 84 | }
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| 85 | /**
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| 86 | * Gets the element into which the badge's content is being rendered. Undefined if the element
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| 87 | * hasn't been created (e.g. if the badge doesn't have content).
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| 88 | */
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| 89 | getBadgeElement() {
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| 90 | return this._badgeElement;
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| 91 | }
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| 92 | ngOnInit() {
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| 93 | // We may have server-side rendered badge that we need to clear.
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| 94 | // We need to do this in ngOnInit because the full content of the component
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| 95 | // on which the badge is attached won't necessarily be in the DOM until this point.
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| 96 | this._clearExistingBadges();
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| 97 | if (this.content && !this._badgeElement) {
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| 98 | this._badgeElement = this._createBadgeElement();
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| 99 | this._updateRenderedContent(this.content);
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| 100 | }
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| 101 | this._isInitialized = true;
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| 102 | }
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| 103 | ngOnDestroy() {
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| 104 | // ViewEngine only: when creating a badge through the Renderer, Angular remembers its index.
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| 105 | // We have to destroy it ourselves, otherwise it'll be retained in memory.
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| 106 | if (this._renderer.destroyNode) {
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| 107 | this._renderer.destroyNode(this._badgeElement);
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| 108 | }
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| 109 | this._ariaDescriber.removeDescription(this._elementRef.nativeElement, this.description);
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| 110 | }
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| 111 | /** Creates the badge element */
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| 112 | _createBadgeElement() {
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| 113 | const badgeElement = this._renderer.createElement('span');
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| 114 | const activeClass = 'mat-badge-active';
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| 115 | badgeElement.setAttribute('id', `mat-badge-content-${this._id}`);
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| 116 | // The badge is aria-hidden because we don't want it to appear in the page's navigation
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| 117 | // flow. Instead, we use the badge to describe the decorated element with aria-describedby.
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| 118 | badgeElement.setAttribute('aria-hidden', 'true');
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| 119 | badgeElement.classList.add(BADGE_CONTENT_CLASS);
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| 120 | if (this._animationMode === 'NoopAnimations') {
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| 121 | badgeElement.classList.add('_mat-animation-noopable');
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| 122 | }
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| 123 | this._elementRef.nativeElement.appendChild(badgeElement);
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| 124 | // animate in after insertion
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| 125 | if (typeof requestAnimationFrame === 'function' && this._animationMode !== 'NoopAnimations') {
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| 126 | this._ngZone.runOutsideAngular(() => {
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| 127 | requestAnimationFrame(() => {
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| 128 | badgeElement.classList.add(activeClass);
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| 129 | });
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| 130 | });
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| 131 | }
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| 132 | else {
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| 133 | badgeElement.classList.add(activeClass);
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| 134 | }
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| 135 | return badgeElement;
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| 136 | }
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| 137 | /** Update the text content of the badge element in the DOM, creating the element if necessary. */
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| 138 | _updateRenderedContent(newContent) {
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| 139 | const newContentNormalized = `${newContent !== null && newContent !== void 0 ? newContent : ''}`.trim();
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| 140 | // Don't create the badge element if the directive isn't initialized because we want to
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| 141 | // append the badge element to the *end* of the host element's content for backwards
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| 142 | // compatibility.
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| 143 | if (this._isInitialized && newContentNormalized && !this._badgeElement) {
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| 144 | this._badgeElement = this._createBadgeElement();
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| 145 | }
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| 146 | if (this._badgeElement) {
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| 147 | this._badgeElement.textContent = newContentNormalized;
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| 148 | }
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| 149 | this._content = newContentNormalized;
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| 150 | }
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| 151 | /** Updates the host element's aria description via AriaDescriber. */
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| 152 | _updateHostAriaDescription(newDescription) {
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| 153 | this._ariaDescriber.removeDescription(this._elementRef.nativeElement, this.description);
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| 154 | if (newDescription) {
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| 155 | this._ariaDescriber.describe(this._elementRef.nativeElement, newDescription);
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| 156 | }
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| 157 | this._description = newDescription;
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| 158 | }
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| 159 | /** Adds css theme class given the color to the component host */
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| 160 | _setColor(colorPalette) {
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| 161 | const classList = this._elementRef.nativeElement.classList;
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| 162 | classList.remove(`mat-badge-${this._color}`);
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| 163 | if (colorPalette) {
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| 164 | classList.add(`mat-badge-${colorPalette}`);
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| 165 | }
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| 166 | }
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| 167 | /** Clears any existing badges that might be left over from server-side rendering. */
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| 168 | _clearExistingBadges() {
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| 169 | // Only check direct children of this host element in order to avoid deleting
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| 170 | // any badges that might exist in descendant elements.
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| 171 | const badges = this._elementRef.nativeElement.querySelectorAll(`:scope > .${BADGE_CONTENT_CLASS}`);
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| 172 | for (const badgeElement of Array.from(badges)) {
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| 173 | if (badgeElement !== this._badgeElement) {
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| 174 | badgeElement.remove();
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| 175 | }
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| 176 | }
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| 177 | }
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| 178 | }
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| 179 | MatBadge.decorators = [
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| 180 | { type: Directive, args: [{
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| 181 | selector: '[matBadge]',
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| 182 | inputs: ['disabled: matBadgeDisabled'],
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| 183 | host: {
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| 184 | 'class': 'mat-badge',
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| 185 | '[class.mat-badge-overlap]': 'overlap',
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| 186 | '[class.mat-badge-above]': 'isAbove()',
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| 187 | '[class.mat-badge-below]': '!isAbove()',
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| 188 | '[class.mat-badge-before]': '!isAfter()',
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| 189 | '[class.mat-badge-after]': 'isAfter()',
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| 190 | '[class.mat-badge-small]': 'size === "small"',
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| 191 | '[class.mat-badge-medium]': 'size === "medium"',
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| 192 | '[class.mat-badge-large]': 'size === "large"',
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| 193 | '[class.mat-badge-hidden]': 'hidden || !content',
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| 194 | '[class.mat-badge-disabled]': 'disabled',
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| 195 | },
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| 196 | },] }
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| 197 | ];
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| 198 | MatBadge.ctorParameters = () => [
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| 199 | { type: NgZone },
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| 200 | { type: ElementRef },
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| 201 | { type: AriaDescriber },
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| 202 | { type: Renderer2 },
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| 203 | { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }
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| 204 | ];
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| 205 | MatBadge.propDecorators = {
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| 206 | color: [{ type: Input, args: ['matBadgeColor',] }],
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| 207 | overlap: [{ type: Input, args: ['matBadgeOverlap',] }],
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| 208 | position: [{ type: Input, args: ['matBadgePosition',] }],
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| 209 | content: [{ type: Input, args: ['matBadge',] }],
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| 210 | description: [{ type: Input, args: ['matBadgeDescription',] }],
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| 211 | size: [{ type: Input, args: ['matBadgeSize',] }],
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| 212 | hidden: [{ type: Input, args: ['matBadgeHidden',] }]
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| 213 | };
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| 214 |
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| 215 | /**
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| 216 | * @license
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| 217 | * Copyright Google LLC All Rights Reserved.
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| 218 | *
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| 219 | * Use of this source code is governed by an MIT-style license that can be
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| 220 | * found in the LICENSE file at https://angular.io/license
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| 221 | */
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| 222 | class MatBadgeModule {
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| 223 | }
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| 224 | MatBadgeModule.decorators = [
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| 225 | { type: NgModule, args: [{
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| 226 | imports: [
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| 227 | A11yModule,
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| 228 | MatCommonModule
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| 229 | ],
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| 230 | exports: [MatBadge, MatCommonModule],
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| 231 | declarations: [MatBadge],
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| 232 | },] }
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| 233 | ];
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| 234 |
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| 235 | /**
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| 236 | * @license
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| 237 | * Copyright Google LLC All Rights Reserved.
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| 238 | *
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| 239 | * Use of this source code is governed by an MIT-style license that can be
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| 240 | * found in the LICENSE file at https://angular.io/license
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| 241 | */
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| 242 |
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| 243 | /**
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| 244 | * Generated bundle index. Do not edit.
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| 245 | */
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| 246 |
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| 247 | export { MatBadge, MatBadgeModule };
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| 248 | //# sourceMappingURL=badge.js.map
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