@angular/material
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Angular Material
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JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/common'), require('@angular/core'), require('@angular/cdk/observers'), require('@angular/cdk/bidi'), require('@angular/cdk/coercion'), require('@angular/material/core'), require('rxjs'), require('rxjs/operators'), require('@angular/animations'), require('@angular/cdk/platform'), require('@angular/platform-browser/animations')) :
typeof define === 'function' && define.amd ? define('@angular/material/form-field', ['exports', '@angular/common', '@angular/core', '@angular/cdk/observers', '@angular/cdk/bidi', '@angular/cdk/coercion', '@angular/material/core', 'rxjs', 'rxjs/operators', '@angular/animations', '@angular/cdk/platform', '@angular/platform-browser/animations'], factory) :
(global = global || self, factory((global.ng = global.ng || {}, global.ng.material = global.ng.material || {}, global.ng.material.formField = {}), global.ng.common, global.ng.core, global.ng.cdk.observers, global.ng.cdk.bidi, global.ng.cdk.coercion, global.ng.material.core, global.rxjs, global.rxjs.operators, global.ng.animations, global.ng.cdk.platform, global.ng.platformBrowser.animations));
}(this, (function (exports, common, core, observers, bidi, coercion, core$1, rxjs, operators, animations, platform, animations$1) { 'use strict';
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var nextUniqueId = 0;
/** Single error message to be shown underneath the form field. */
var MatError = /** @class */ (function () {
function MatError() {
this.id = "mat-error-" + nextUniqueId++;
}
MatError.decorators = [
{ type: core.Directive, args: [{
selector: 'mat-error',
host: {
'class': 'mat-error',
'role': 'alert',
'[attr.id]': 'id',
}
},] }
];
MatError.propDecorators = {
id: [{ type: core.Input }]
};
return MatError;
}());
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
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/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Animations used by the MatFormField.
* @docs-private
*/
var matFormFieldAnimations = {
/** Animation that transitions the form field's error and hint messages. */
transitionMessages: animations.trigger('transitionMessages', [
// TODO(mmalerba): Use angular animations for label animation as well.
animations.state('enter', animations.style({ opacity: 1, transform: 'translateY(0%)' })),
animations.transition('void => enter', [
animations.style({ opacity: 0, transform: 'translateY(-100%)' }),
animations.animate('300ms cubic-bezier(0.55, 0, 0.55, 0.2)'),
]),
])
};
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** An interface which allows a control to work inside of a `MatFormField`. */
var MatFormFieldControl = /** @class */ (function () {
function MatFormFieldControl() {
}
MatFormFieldControl.decorators = [
{ type: core.Directive }
];
return MatFormFieldControl;
}());
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** @docs-private */
function getMatFormFieldPlaceholderConflictError() {
return Error('Placeholder attribute and child element were both specified.');
}
/** @docs-private */
function getMatFormFieldDuplicatedHintError(align) {
return Error("A hint was already declared for 'align=\"" + align + "\"'.");
}
/** @docs-private */
function getMatFormFieldMissingControlError() {
return Error('mat-form-field must contain a MatFormFieldControl.');
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var nextUniqueId$1 = 0;
/** Hint text to be shown underneath the form field control. */
var MatHint = /** @class */ (function () {
function MatHint() {
/** Whether to align the hint label at the start or end of the line. */
this.align = 'start';
/** Unique ID for the hint. Used for the aria-describedby on the form field control. */
this.id = "mat-hint-" + nextUniqueId$1++;
}
MatHint.decorators = [
{ type: core.Directive, args: [{
selector: 'mat-hint',
host: {
'class': 'mat-hint',
'[class.mat-right]': 'align == "end"',
'[attr.id]': 'id',
// Remove align attribute to prevent it from interfering with layout.
'[attr.align]': 'null',
}
},] }
];
MatHint.propDecorators = {
align: [{ type: core.Input }],
id: [{ type: core.Input }]
};
return MatHint;
}());
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** The floating label for a `mat-form-field`. */
var MatLabel = /** @class */ (function () {
function MatLabel() {
}
MatLabel.decorators = [
{ type: core.Directive, args: [{
selector: 'mat-label'
},] }
];
return MatLabel;
}());
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* The placeholder text for an `MatFormField`.
* @deprecated Use `<mat-label>` to specify the label and the `placeholder` attribute to specify the
* placeholder.
* @breaking-change 8.0.0
*/
var MatPlaceholder = /** @class */ (function () {
function MatPlaceholder() {
}
MatPlaceholder.decorators = [
{ type: core.Directive, args: [{
selector: 'mat-placeholder'
},] }
];
return MatPlaceholder;
}());
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Prefix to be placed in front of the form field. */
var MatPrefix = /** @class */ (function () {
function MatPrefix() {
}
MatPrefix.decorators = [
{ type: core.Directive, args: [{
selector: '[matPrefix]',
},] }
];
return MatPrefix;
}());
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Suffix to be placed at the end of the form field. */
var MatSuffix = /** @class */ (function () {
function MatSuffix() {
}
MatSuffix.decorators = [
{ type: core.Directive, args: [{
selector: '[matSuffix]',
},] }
];
return MatSuffix;
}());
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var nextUniqueId$2 = 0;
var floatingLabelScale = 0.75;
var outlineGapPadding = 5;
/**
* Boilerplate for applying mixins to MatFormField.
* @docs-private
*/
var MatFormFieldBase = /** @class */ (function () {
function MatFormFieldBase(_elementRef) {
this._elementRef = _elementRef;
}
return MatFormFieldBase;
}());
/**
* Base class to which we're applying the form field mixins.
* @docs-private
*/
var _MatFormFieldMixinBase = core$1.mixinColor(MatFormFieldBase, 'primary');
/**
* Injection token that can be used to configure the
* default options for all form field within an app.
*/
var MAT_FORM_FIELD_DEFAULT_OPTIONS = new core.InjectionToken('MAT_FORM_FIELD_DEFAULT_OPTIONS');
/**
* Injection token that can be used to inject an instances of `MatFormField`. It serves
* as alternative token to the actual `MatFormField` class which would cause unnecessary
* retention of the `MatFormField` class and its component metadata.
*/
var MAT_FORM_FIELD = new core.InjectionToken('MatFormField');
/** Container for form controls that applies Material Design styling and behavior. */
var MatFormField = /** @class */ (function (_super) {
__extends(MatFormField, _super);
function MatFormField(_elementRef, _changeDetectorRef, labelOptions, _dir, _defaults, _platform, _ngZone, _animationMode) {
var _this = _super.call(this, _elementRef) || this;
_this._elementRef = _elementRef;
_this._changeDetectorRef = _changeDetectorRef;
_this._dir = _dir;
_this._defaults = _defaults;
_this._platform = _platform;
_this._ngZone = _ngZone;
/**
* Whether the outline gap needs to be calculated
* immediately on the next change detection run.
*/
_this._outlineGapCalculationNeededImmediately = false;
/** Whether the outline gap needs to be calculated next time the zone has stabilized. */
_this._outlineGapCalculationNeededOnStable = false;
_this._destroyed = new rxjs.Subject();
/** Override for the logic that disables the label animation in certain cases. */
_this._showAlwaysAnimate = false;
/** State of the mat-hint and mat-error animations. */
_this._subscriptAnimationState = '';
_this._hintLabel = '';
// Unique id for the hint label.
_this._hintLabelId = "mat-hint-" + nextUniqueId$2++;
// Unique id for the internal form field label.
_this._labelId = "mat-form-field-label-" + nextUniqueId$2++;
_this._labelOptions = labelOptions ? labelOptions : {};
_this.floatLabel = _this._getDefaultFloatLabelState();
_this._animationsEnabled = _animationMode !== 'NoopAnimations';
// Set the default through here so we invoke the setter on the first run.
_this.appearance = (_defaults && _defaults.appearance) ? _defaults.appearance : 'legacy';
_this._hideRequiredMarker = (_defaults && _defaults.hideRequiredMarker != null) ?
_defaults.hideRequiredMarker : false;
return _this;
}
Object.defineProperty(MatFormField.prototype, "appearance", {
/** The form-field appearance style. */
get: function () { return this._appearance; },
set: function (value) {
var oldValue = this._appearance;
this._appearance = value || (this._defaults && this._defaults.appearance) || 'legacy';
if (this._appearance === 'outline' && oldValue !== value) {
this._outlineGapCalculationNeededOnStable = true;
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatFormField.prototype, "hideRequiredMarker", {
/** Whether the required marker should be hidden. */
get: function () { return this._hideRequiredMarker; },
set: function (value) {
this._hideRequiredMarker = coercion.coerceBooleanProperty(value);
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatFormField.prototype, "_shouldAlwaysFloat", {
/** Whether the floating label should always float or not. */
get: function () {
return this.floatLabel === 'always' && !this._showAlwaysAnimate;
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatFormField.prototype, "_canLabelFloat", {
/** Whether the label can float or not. */
get: function () { return this.floatLabel !== 'never'; },
enumerable: true,
configurable: true
});
Object.defineProperty(MatFormField.prototype, "hintLabel", {
/** Text for the form field hint. */
get: function () { return this._hintLabel; },
set: function (value) {
this._hintLabel = value;
this._processHints();
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatFormField.prototype, "floatLabel", {
/**
* Whether the label should always float, never float or float as the user types.
*
* Note: only the legacy appearance supports the `never` option. `never` was originally added as a
* way to make the floating label emulate the behavior of a standard input placeholder. However
* the form field now supports both floating labels and placeholders. Therefore in the non-legacy
* appearances the `never` option has been disabled in favor of just using the placeholder.
*/
get: function () {
return this.appearance !== 'legacy' && this._floatLabel === 'never' ? 'auto' : this._floatLabel;
},
set: function (value) {
if (value !== this._floatLabel) {
this._floatLabel = value || this._getDefaultFloatLabelState();
this._changeDetectorRef.markForCheck();
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatFormField.prototype, "_control", {
get: function () {
// TODO(crisbeto): we need this workaround in order to support both Ivy and ViewEngine.
// We should clean this up once Ivy is the default renderer.
return this._explicitFormFieldControl || this._controlNonStatic || this._controlStatic;
},
set: function (value) {
this._explicitFormFieldControl = value;
},
enumerable: true,
configurable: true
});
Object.defineProperty(MatFormField.prototype, "_labelChild", {
get: function () {
return this._labelChildNonStatic || this._labelChildStatic;
},
enumerable: true,
configurable: true
});
/**
* Gets an ElementRef for the element that a overlay attached to the form-field should be
* positioned relative to.
*/
MatFormField.prototype.getConnectedOverlayOrigin = function () {
return this._connectionContainerRef || this._elementRef;
};
MatFormField.prototype.ngAfterContentInit = function () {
var _this = this;
this._validateControlChild();
var control = this._control;
if (control.controlType) {
this._elementRef.nativeElement.classList.add("mat-form-field-type-" + control.controlType);
}
// Subscribe to changes in the child control state in order to update the form field UI.
control.stateChanges.pipe(operators.startWith(null)).subscribe(function () {
_this._validatePlaceholders();
_this._syncDescribedByIds();
_this._changeDetectorRef.markForCheck();
});
// Run change detection if the value changes.
if (control.ngControl && control.ngControl.valueChanges) {
control.ngControl.valueChanges
.pipe(operators.takeUntil(this._destroyed))
.subscribe(function () { return _this._changeDetectorRef.markForCheck(); });
}
// Note that we have to run outside of the `NgZone` explicitly,
// in order to avoid throwing users into an infinite loop
// if `zone-patch-rxjs` is included.
this._ngZone.runOutsideAngular(function () {
_this._ngZone.onStable.asObservable().pipe(operators.takeUntil(_this._destroyed)).subscribe(function () {
if (_this._outlineGapCalculationNeededOnStable) {
_this.updateOutlineGap();
}
});
});
// Run change detection and update the outline if the suffix or prefix changes.
rxjs.merge(this._prefixChildren.changes, this._suffixChildren.changes).subscribe(function () {
_this._outlineGapCalculationNeededOnStable = true;
_this._changeDetectorRef.markForCheck();
});
// Re-validate when the number of hints changes.
this._hintChildren.changes.pipe(operators.startWith(null)).subscribe(function () {
_this._processHints();
_this._changeDetectorRef.markForCheck();
});
// Update the aria-described by when the number of errors changes.
this._errorChildren.changes.pipe(operators.startWith(null)).subscribe(function () {
_this._syncDescribedByIds();
_this._changeDetectorRef.markForCheck();
});
if (this._dir) {
this._dir.change.pipe(operators.takeUntil(this._destroyed)).subscribe(function () {
if (typeof requestAnimationFrame === 'function') {
_this._ngZone.runOutsideAngular(function () {
requestAnimationFrame(function () { return _this.updateOutlineGap(); });
});
}
else {
_this.updateOutlineGap();
}
});
}
};
MatFormField.prototype.ngAfterContentChecked = function () {
this._validateControlChild();
if (this._outlineGapCalculationNeededImmediately) {
this.updateOutlineGap();
}
};
MatFormField.prototype.ngAfterViewInit = function () {
// Avoid animations on load.
this._subscriptAnimationState = 'enter';
this._changeDetectorRef.detectChanges();
};
MatFormField.prototype.ngOnDestroy = function () {
this._destroyed.next();
this._destroyed.complete();
};
/** Determines whether a class from the NgControl should be forwarded to the host element. */
MatFormField.prototype._shouldForward = function (prop) {
var ngControl = this._control ? this._control.ngControl : null;
return ngControl && ngControl[prop];
};
MatFormField.prototype._hasPlaceholder = function () {
return !!(this._control && this._control.placeholder || this._placeholderChild);
};
MatFormField.prototype._hasLabel = function () {
return !!this._labelChild;
};
MatFormField.prototype._shouldLabelFloat = function () {
return this._canLabelFloat && (this._control.shouldLabelFloat || this._shouldAlwaysFloat);
};
MatFormField.prototype._hideControlPlaceholder = function () {
// In the legacy appearance the placeholder is promoted to a label if no label is given.
return this.appearance === 'legacy' && !this._hasLabel() ||
this._hasLabel() && !this._shouldLabelFloat();
};
MatFormField.prototype._hasFloatingLabel = function () {
// In the legacy appearance the placeholder is promoted to a label if no label is given.
return this._hasLabel() || this.appearance === 'legacy' && this._hasPlaceholder();
};
/** Determines whether to display hints or errors. */
MatFormField.prototype._getDisplayedMessages = function () {
return (this._errorChildren && this._errorChildren.length > 0 &&
this._control.errorState) ? 'error' : 'hint';
};
/** Animates the placeholder up and locks it in position. */
MatFormField.prototype._animateAndLockLabel = function () {
var _this = this;
if (this._hasFloatingLabel() && this._canLabelFloat) {
// If animations are disabled, we shouldn't go in here,
// because the `transitionend` will never fire.
if (this._animationsEnabled && this._label) {
this._showAlwaysAnimate = true;
rxjs.fromEvent(this._label.nativeElement, 'transitionend').pipe(operators.take(1)).subscribe(function () {
_this._showAlwaysAnimate = false;
});
}
this.floatLabel = 'always';
this._changeDetectorRef.markForCheck();
}
};
/**
* Ensure that there is only one placeholder (either `placeholder` attribute on the child control
* or child element with the `mat-placeholder` directive).
*/
MatFormField.prototype._validatePlaceholders = function () {
if (this._control.placeholder && this._placeholderChild) {
throw getMatFormFieldPlaceholderConflictError();
}
};
/** Does any extra processing that is required when handling the hints. */
MatFormField.prototype._processHints = function () {
this._validateHints();
this._syncDescribedByIds();
};
/**
* Ensure that there is a maximum of one of each `<mat-hint>` alignment specified, with the
* attribute being considered as `align="start"`.
*/
MatFormField.prototype._validateHints = function () {
var _this = this;
if (this._hintChildren) {
var startHint_1;
var endHint_1;
this._hintChildren.forEach(function (hint) {
if (hint.align === 'start') {
if (startHint_1 || _this.hintLabel) {
throw getMatFormFieldDuplicatedHintError('start');
}
startHint_1 = hint;
}
else if (hint.align === 'end') {
if (endHint_1) {
throw getMatFormFieldDuplicatedHintError('end');
}
endHint_1 = hint;
}
});
}
};
/** Gets the default float label state. */
MatFormField.prototype._getDefaultFloatLabelState = function () {
return (this._defaults && this._defaults.floatLabel) || this._labelOptions.float || 'auto';
};
/**
* Sets the list of element IDs that describe the child control. This allows the control to update
* its `aria-describedby` attribute accordingly.
*/
MatFormField.prototype._syncDescribedByIds = function () {
if (this._control) {
var ids = [];
if (this._getDisplayedMessages() === 'hint') {
var startHint = this._hintChildren ?
this._hintChildren.find(function (hint) { return hint.align === 'start'; }) : null;
var endHint = this._hintChildren ?
this._hintChildren.find(function (hint) { return hint.align === 'end'; }) : null;
if (startHint) {
ids.push(startHint.id);
}
else if (this._hintLabel) {
ids.push(this._hintLabelId);
}
if (endHint) {
ids.push(endHint.id);
}
}
else if (this._errorChildren) {
ids = this._errorChildren.map(function (error) { return error.id; });
}
this._control.setDescribedByIds(ids);
}
};
/** Throws an error if the form field's control is missing. */
MatFormField.prototype._validateControlChild = function () {
if (!this._control) {
throw getMatFormFieldMissingControlError();
}
};
/**
* Updates the width and position of the gap in the outline. Only relevant for the outline
* appearance.
*/
MatFormField.prototype.updateOutlineGap = function () {
var e_1, _a;
var labelEl = this._label ? this._label.nativeElement : null;
if (this.appearance !== 'outline' || !labelEl || !labelEl.children.length ||
!labelEl.textContent.trim()) {
return;
}
if (!this._platform.isBrowser) {
// getBoundingClientRect isn't available on the server.
return;
}
// If the element is not present in the DOM, the outline gap will need to be calculated
// the next time it is checked and in the DOM.
if (!this._isAttachedToDOM()) {
this._outlineGapCalculationNeededImmediately = true;
return;
}
var startWidth = 0;
var gapWidth = 0;
var container = this._connectionContainerRef.nativeElement;
var startEls = container.querySelectorAll('.mat-form-field-outline-start');
var gapEls = container.querySelectorAll('.mat-form-field-outline-gap');
if (this._label && this._label.nativeElement.children.length) {
var containerRect = container.getBoundingClientRect();
// If the container's width and height are zero, it means that the element is
// invisible and we can't calculate the outline gap. Mark the element as needing
// to be checked the next time the zone stabilizes. We can't do this immediately
// on the next change detection, because even if the element becomes visible,
// the `ClientRect` won't be reclaculated immediately. We reset the
// `_outlineGapCalculationNeededImmediately` flag some we don't run the checks twice.
if (containerRect.width === 0 && containerRect.height === 0) {
this._outlineGapCalculationNeededOnStable = true;
this._outlineGapCalculationNeededImmediately = false;
return;
}
var containerStart = this._getStartEnd(containerRect);
var labelStart = this._getStartEnd(labelEl.children[0].getBoundingClientRect());
var labelWidth = 0;
try {
for (var _b = __values(labelEl.children), _c = _b.next(); !_c.done; _c = _b.next()) {
var child = _c.value;
labelWidth += child.offsetWidth;
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
startWidth = Math.abs(labelStart - containerStart) - outlineGapPadding;
gapWidth = labelWidth > 0 ? labelWidth * floatingLabelScale + outlineGapPadding * 2 : 0;
}
for (var i = 0; i < startEls.length; i++) {
startEls[i].style.width = startWidth + "px";
}
for (var i = 0; i < gapEls.length; i++) {
gapEls[i].style.width = gapWidth + "px";
}
this._outlineGapCalculationNeededOnStable =
this._outlineGapCalculationNeededImmediately = false;
};
/** Gets the start end of the rect considering the current directionality. */
MatFormField.prototype._getStartEnd = function (rect) {
return (this._dir && this._dir.value === 'rtl') ? rect.right : rect.left;
};
/** Checks whether the form field is attached to the DOM. */
MatFormField.prototype._isAttachedToDOM = function () {
var element = this._elementRef.nativeElement;
if (element.getRootNode) {
var rootNode = element.getRootNode();
// If the element is inside the DOM the root node will be either the document
// or the closest shadow root, otherwise it'll be the element itself.
return rootNode && rootNode !== element;
}
// Otherwise fall back to checking if it's in the document. This doesn't account for
// shadow DOM, however browser that support shadow DOM should support `getRootNode` as well.
return document.documentElement.contains(element);
};
MatFormField.decorators = [
{ type: core.Component, args: [{
selector: 'mat-form-field',
exportAs: 'matFormField',
template: "<div class=\"mat-form-field-wrapper\">\n <div class=\"mat-form-field-flex\" #connectionContainer\n (click)=\"_control.onContainerClick && _control.onContainerClick($event)\">\n\n <!-- Outline used for outline appearance. -->\n <ng-container *ngIf=\"appearance == 'outline'\">\n <div class=\"mat-form-field-outline\">\n <div class=\"mat-form-field-outline-start\"></div>\n <div class=\"mat-form-field-outline-gap\"></div>\n <div class=\"mat-form-field-outline-end\"></div>\n </div>\n <div class=\"mat-form-field-outline mat-form-field-outline-thick\">\n <div class=\"mat-form-field-outline-start\"></div>\n <div class=\"mat-form-field-outline-gap\"></div>\n <div class=\"mat-form-field-outline-end\"></div>\n </div>\n </ng-container>\n\n <div class=\"mat-form-field-prefix\" *ngIf=\"_prefixChildren.length\">\n <ng-content select=\"[matPrefix]\"></ng-content>\n </div>\n\n <div class=\"mat-form-field-infix\" #inputContainer>\n <ng-content></ng-content>\n\n <span class=\"mat-form-field-label-wrapper\">\n <!-- We add aria-owns as a workaround for an issue in JAWS & NVDA where the label isn't\n read if it comes before the control in the DOM. -->\n <label class=\"mat-form-field-label\"\n (cdkObserveContent)=\"updateOutlineGap()\"\n [cdkObserveContentDisabled]=\"appearance != 'outline'\"\n [id]=\"_labelId\"\n [attr.for]=\"_control.id\"\n [attr.aria-owns]=\"_control.id\"\n [class.mat-empty]=\"_control.empty && !_shouldAlwaysFloat\"\n [class.mat-form-field-empty]=\"_control.empty && !_shouldAlwaysFloat\"\n [class.mat-accent]=\"color == 'accent'\"\n [class.mat-warn]=\"color == 'warn'\"\n #label\n *ngIf=\"_hasFloatingLabel()\"\n [ngSwitch]=\"_hasLabel()\">\n\n <!-- @breaking-change 8.0.0 remove in favor of mat-label element an placeholder attr. -->\n <ng-container *ngSwitchCase=\"false\">\n <ng-content select=\"mat-placeholder\"></ng-content>\n <span>{{_control.placeholder}}</span>\n </ng-container>\n\n <ng-content select=\"mat-label\" *ngSwitchCase=\"true\"></ng-content>\n\n <!-- @breaking-change 8.0.0 remove `mat-placeholder-required` class -->\n <span\n class=\"mat-placeholder-required mat-form-field-required-marker\"\n aria-hidden=\"true\"\n *ngIf=\"!hideRequiredMarker && _control.required && !_control.disabled\"> *</span>\n </label>\n </span>\n </div>\n\n <div class=\"mat-form-field-suffix\" *ngIf=\"_suffixChildren.length\">\n <ng-content select=\"[matSuffix]\"></ng-content>\n </div>\n </div>\n\n <!-- Underline used for legacy, standard, and box appearances. -->\n <div class=\"mat-form-field-underline\" #underline\n *ngIf=\"appearance != 'outline'\">\n <span class=\"mat-form-field-ripple\"\n [class.mat-accent]=\"color == 'accent'\"\n [class.mat-warn]=\"color == 'warn'\"></span>\n </div>\n\n <div class=\"mat-form-field-subscript-wrapper\"\n [ngSwitch]=\"_getDisplayedMessages()\">\n <div *ngSwitchCase=\"'error'\" [@transitionMessages]=\"_subscriptAnimationState\">\n <ng-content select=\"mat-error\"></ng-content>\n </div>\n\n <div class=\"mat-form-field-hint-wrapper\" *ngSwitchCase=\"'hint'\"\n [@transitionMessages]=\"_subscriptAnimationState\">\n <!-- TODO(mmalerba): use an actual <mat-hint> once all selectors are switched to mat-* -->\n <div *ngIf=\"hintLabel\" [id]=\"_hintLabelId\" class=\"mat-hint\">{{hintLabel}}</div>\n <ng-content select=\"mat-hint:not([align='end'])\"></ng-content>\n <div class=\"mat-form-field-hint-spacer\"></div>\n <ng-content select=\"mat-hint[align='end']\"></ng-content>\n </div>\n </div>\n</div>\n",
animations: [matFormFieldAnimations.transitionMessages],
host: {
'class': 'mat-form-field',
'[class.mat-form-field-appearance-standard]': 'appearance == "standard"',
'[class.mat-form-field-appearance-fill]': 'appearance == "fill"',
'[class.mat-form-field-appearance-outline]': 'appearance == "outline"',
'[class.mat-form-field-appearance-legacy]': 'appearance == "legacy"',
'[class.mat-form-field-invalid]': '_control.errorState',
'[class.mat-form-field-can-float]': '_canLabelFloat',
'[class.mat-form-field-should-float]': '_shouldLabelFloat()',
'[class.mat-form-field-has-label]': '_hasFloatingLabel()',
'[class.mat-form-field-hide-placeholder]': '_hideControlPlaceholder()',
'[class.mat-form-field-disabled]': '_control.disabled',
'[class.mat-form-field-autofilled]': '_control.autofilled',
'[class.mat-focused]': '_control.focused',
'[class.mat-accent]': 'color == "accent"',
'[class.mat-warn]': 'color == "warn"',
'[class.ng-untouched]': '_shouldForward("untouched")',
'[class.ng-touched]': '_shouldForward("touched")',
'[class.ng-pristine]': '_shouldForward("pristine")',
'[class.ng-dirty]': '_shouldForward("dirty")',
'[class.ng-valid]': '_shouldForward("valid")',
'[class.ng-invalid]': '_shouldForward("invalid")',
'[class.ng-pending]': '_shouldForward("pending")',
'[class._mat-animation-noopable]': '!_animationsEnabled',
},
inputs: ['color'],
encapsulation: core.ViewEncapsulation.None,
changeDetection: core.ChangeDetectionStrategy.OnPush,
providers: [
{ provide: MAT_FORM_FIELD, useExisting: MatFormField },
],
styles: [".mat-form-field{display:inline-block;position:relative;text-align:left}[dir=rtl] .mat-form-field{text-align:right}.mat-form-field-wrapper{position:relative}.mat-form-field-flex{display:inline-flex;align-items:baseline;box-sizing:border-box;width:100%}.mat-form-field-prefix,.mat-form-field-suffix{white-space:nowrap;flex:none;position:relative}.mat-form-field-infix{display:block;position:relative;flex:auto;min-width:0;width:180px}.cdk-high-contrast-active .mat-form-field-infix{border-image:linear-gradient(transparent, transparent)}.mat-form-field-label-wrapper{position:absolute;left:0;box-sizing:content-box;width:100%;height:100%;overflow:hidden;pointer-events:none}[dir=rtl] .mat-form-field-label-wrapper{left:auto;right:0}.mat-form-field-label{position:absolute;left:0;font:inherit;pointer-events:none;width:100%;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;transform-origin:0 0;transition:transform 400ms cubic-bezier(0.25, 0.8, 0.25, 1),color 400ms cubic-bezier(0.25, 0.8, 0.25, 1),width 400ms cubic-bezier(0.25, 0.8, 0.25, 1);display:none}[dir=rtl] .mat-form-field-label{transform-origin:100% 0;left:auto;right:0}.mat-form-field-empty.mat-form-field-label,.mat-form-field-can-float.mat-form-field-should-float .mat-form-field-label{display:block}.mat-form-field-autofill-control:-webkit-autofill+.mat-form-field-label-wrapper .mat-form-field-label{display:none}.mat-form-field-can-float .mat-form-field-autofill-control:-webkit-autofill+.mat-form-field-label-wrapper .mat-form-field-label{display:block;transition:none}.mat-input-server:focus+.mat-form-field-label-wrapper .mat-form-field-label,.mat-input-server[placeholder]:not(:placeholder-shown)+.mat-form-field-label-wrapper .mat-form-field-label{display:none}.mat-form-field-can-float .mat-input-server:focus+.mat-form-field-label-wrapper .mat-form-field-label,.mat-form-field-can-float .mat-input-server[placeholder]:not(:placeholder-shown)+.mat-form-field-label-wrapper .mat-form-field-label{display:block}.mat-form-field-label:not(.mat-form-field-empty){transition:none}.mat-form-field-underline{position:absolute;width:100%;pointer-events:none;transform:scale3d(1, 1.0001, 1)}.mat-form-field-ripple{position:absolute;left:0;width:100%;transform-origin:50%;transform:scaleX(0.5);opacity:0;transition:background-color 300ms cubic-bezier(0.55, 0, 0.55, 0.2)}.mat-form-field.mat-focused .mat-form-field-ripple,.mat-form-field.mat-form-field-invalid .mat-form-field-ripple{opacity:1;transform:scaleX(1);transition:transform 300ms cubic-bezier(0.25, 0.8, 0.25, 1),opacity 100ms cubic-bezier(0.25, 0.8, 0.25, 1),background-color 300ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-form-field-subscript-wrapper{position:absolute;box-sizing:border-box;width:100%;overflow:hidden}.mat-form-field-subscript-wrapper .m