import { ObserversModule } from '@angular/cdk/observers';
import { CommonModule } from '@angular/common';
import { InjectionToken, Directive, Input, Component, ViewEncapsulation, ChangeDetectionStrategy, ElementRef, ChangeDetectorRef, Inject, Optional, NgZone, ViewChild, ContentChild, ContentChildren, NgModule } from '@angular/core';
import { mixinColor, MatCommonModule } from '@angular/material/core';
import { Directionality } from '@angular/cdk/bidi';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { Subject, merge, fromEvent } from 'rxjs';
import { startWith, takeUntil, take } from 'rxjs/operators';
import { trigger, state, style, transition, animate } from '@angular/animations';
import { Platform } from '@angular/cdk/platform';
import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';

/**
 * @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
 */
let nextUniqueId = 0;
/**
 * Injection token that can be used to reference instances of `MatError`. It serves as
 * alternative token to the actual `MatError` class which could cause unnecessary
 * retention of the class and its directive metadata.
 */
const MAT_ERROR = new InjectionToken('MatError');
/** Single error message to be shown underneath the form field. */
class MatError {
    constructor() {
        this.id = `mat-error-${nextUniqueId++}`;
    }
}
MatError.decorators = [
    { type: Directive, args: [{
                selector: 'mat-error',
                host: {
                    'class': 'mat-error',
                    'role': 'alert',
                    '[attr.id]': 'id',
                },
                providers: [{ provide: MAT_ERROR, useExisting: MatError }],
            },] }
];
MatError.propDecorators = {
    id: [{ type: Input }]
};

/**
 * @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
 */
const matFormFieldAnimations = {
    /** Animation that transitions the form field's error and hint messages. */
    transitionMessages: trigger('transitionMessages', [
        // TODO(mmalerba): Use angular animations for label animation as well.
        state('enter', style({ opacity: 1, transform: 'translateY(0%)' })),
        transition('void => enter', [
            style({ opacity: 0, transform: 'translateY(-5px)' }),
            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`. */
class MatFormFieldControl {
}
MatFormFieldControl.decorators = [
    { type: Directive }
];

/**
 * @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
 */
let nextUniqueId$1 = 0;
/**
 * Injection token that can be used to reference instances of `MatHint`. It serves as
 * alternative token to the actual `MatHint` class which could cause unnecessary
 * retention of the class and its directive metadata.
 *
 * *Note*: This is not part of the public API as the MDC-based form-field will not
 * need a lightweight token for `MatHint` and we want to reduce breaking changes.
 */
const _MAT_HINT = new InjectionToken('MatHint');
/** Hint text to be shown underneath the form field control. */
class MatHint {
    constructor() {
        /** Whether to align the hint label at the start or end of the line. */
        this.align = 'start';
        /** Unique ID for the hint. Used for the aria-describedby on the form field control. */
        this.id = `mat-hint-${nextUniqueId$1++}`;
    }
}
MatHint.decorators = [
    { type: Directive, args: [{
                selector: 'mat-hint',
                host: {
                    'class': 'mat-hint',
                    '[class.mat-form-field-hint-end]': 'align === "end"',
                    '[attr.id]': 'id',
                    // Remove align attribute to prevent it from interfering with layout.
                    '[attr.align]': 'null',
                },
                providers: [{ provide: _MAT_HINT, useExisting: MatHint }],
            },] }
];
MatHint.propDecorators = {
    align: [{ type: Input }],
    id: [{ type: Input }]
};

/**
 * @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`. */
class MatLabel {
}
MatLabel.decorators = [
    { type: Directive, args: [{
                selector: 'mat-label'
            },] }
];

/**
 * @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
 */
class MatPlaceholder {
}
MatPlaceholder.decorators = [
    { type: Directive, args: [{
                selector: 'mat-placeholder'
            },] }
];

/**
 * @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
 */
/**
 * Injection token that can be used to reference instances of `MatPrefix`. It serves as
 * alternative token to the actual `MatPrefix` class which could cause unnecessary
 * retention of the class and its directive metadata.
 */
const MAT_PREFIX = new InjectionToken('MatPrefix');
/** Prefix to be placed in front of the form field. */
class MatPrefix {
}
MatPrefix.decorators = [
    { type: Directive, args: [{
                selector: '[matPrefix]',
                providers: [{ provide: MAT_PREFIX, useExisting: 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
 */
/**
 * Injection token that can be used to reference instances of `MatSuffix`. It serves as
 * alternative token to the actual `MatSuffix` class which could cause unnecessary
 * retention of the class and its directive metadata.
 */
const MAT_SUFFIX = new InjectionToken('MatSuffix');
/** Suffix to be placed at the end of the form field. */
class MatSuffix {
}
MatSuffix.decorators = [
    { type: Directive, args: [{
                selector: '[matSuffix]',
                providers: [{ provide: MAT_SUFFIX, useExisting: 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
 */
let nextUniqueId$2 = 0;
const floatingLabelScale = 0.75;
const outlineGapPadding = 5;
/**
 * Boilerplate for applying mixins to MatFormField.
 * @docs-private
 */
class MatFormFieldBase {
    constructor(_elementRef) {
        this._elementRef = _elementRef;
    }
}
/**
 * Base class to which we're applying the form field mixins.
 * @docs-private
 */
const _MatFormFieldMixinBase = mixinColor(MatFormFieldBase, 'primary');
/**
 * Injection token that can be used to configure the
 * default options for all form field within an app.
 */
const MAT_FORM_FIELD_DEFAULT_OPTIONS = new 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.
 */
const MAT_FORM_FIELD = new InjectionToken('MatFormField');
/** Container for form controls that applies Material Design styling and behavior. */
class MatFormField extends _MatFormFieldMixinBase {
    constructor(_elementRef, _changeDetectorRef, 
    /**
     * @deprecated `_labelOptions` parameter no longer being used. To be removed.
     * @breaking-change 12.0.0
     */
    // Use `ElementRef` here so Angular has something to inject.
    _labelOptions, _dir, _defaults, _platform, _ngZone, _animationMode) {
        super(_elementRef);
        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 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$2++}`;
        // Unique id for the label element.
        this._labelId = `mat-form-field-label-${nextUniqueId$2++}`;
        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;
    }
    /** The form-field appearance style. */
    get appearance() { return this._appearance; }
    set appearance(value) {
        const oldValue = this._appearance;
        this._appearance = value || (this._defaults && this._defaults.appearance) || 'legacy';
        if (this._appearance === 'outline' && oldValue !== value) {
            this._outlineGapCalculationNeededOnStable = true;
        }
    }
    /** Whether the required marker should be hidden. */
    get hideRequiredMarker() { return this._hideRequiredMarker; }
    set hideRequiredMarker(value) {
        this._hideRequiredMarker = coerceBooleanProperty(value);
    }
    /** Whether the floating label should always float or not. */
    _shouldAlwaysFloat() {
        return this.floatLabel === 'always' && !this._showAlwaysAnimate;
    }
    /** Whether the label can float or not. */
    _canLabelFloat() { return this.floatLabel !== 'never'; }
    /** Text for the form field hint. */
    get hintLabel() { return this._hintLabel; }
    set hintLabel(value) {
        this._hintLabel = value;
        this._processHints();
    }
    /**
     * 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 floatLabel() {
        return this.appearance !== 'legacy' && this._floatLabel === 'never' ? 'auto' : this._floatLabel;
    }
    set floatLabel(value) {
        if (value !== this._floatLabel) {
            this._floatLabel = value || this._getDefaultFloatLabelState();
            this._changeDetectorRef.markForCheck();
        }
    }
    get _control() {
        // 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 _control(value) {
        this._explicitFormFieldControl = value;
    }
    /**
     * Gets the id of the label element. If no label is present, returns `null`.
     */
    getLabelId() {
        return this._hasFloatingLabel() ? this._labelId : null;
    }
    /**
     * Gets an ElementRef for the element that a overlay attached to the form-field should be
     * positioned relative to.
     */
    getConnectedOverlayOrigin() {
        return this._connectionContainerRef || this._elementRef;
    }
    ngAfterContentInit() {
        this._validateControlChild();
        const 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(startWith(null)).subscribe(() => {
            this._validatePlaceholders();
            this._syncDescribedByIds();
            this._changeDetectorRef.markForCheck();
        });
        // Run change detection if the value changes.
        if (control.ngControl && control.ngControl.valueChanges) {
            control.ngControl.valueChanges
                .pipe(takeUntil(this._destroyed))
                .subscribe(() => 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(() => {
            this._ngZone.onStable.pipe(takeUntil(this._destroyed)).subscribe(() => {
                if (this._outlineGapCalculationNeededOnStable) {
                    this.updateOutlineGap();
                }
            });
        });
        // Run change detection and update the outline if the suffix or prefix changes.
        merge(this._prefixChildren.changes, this._suffixChildren.changes).subscribe(() => {
            this._outlineGapCalculationNeededOnStable = true;
            this._changeDetectorRef.markForCheck();
        });
        // Re-validate when the number of hints changes.
        this._hintChildren.changes.pipe(startWith(null)).subscribe(() => {
            this._processHints();
            this._changeDetectorRef.markForCheck();
        });
        // Update the aria-described by when the number of errors changes.
        this._errorChildren.changes.pipe(startWith(null)).subscribe(() => {
            this._syncDescribedByIds();
            this._changeDetectorRef.markForCheck();
        });
        if (this._dir) {
            this._dir.change.pipe(takeUntil(this._destroyed)).subscribe(() => {
                if (typeof requestAnimationFrame === 'function') {
                    this._ngZone.runOutsideAngular(() => {
                        requestAnimationFrame(() => this.updateOutlineGap());
                    });
                }
                else {
                    this.updateOutlineGap();
                }
            });
        }
    }
    ngAfterContentChecked() {
        this._validateControlChild();
        if (this._outlineGapCalculationNeededImmediately) {
            this.updateOutlineGap();
        }
    }
    ngAfterViewInit() {
        // Avoid animations on load.
        this._subscriptAnimationState = 'enter';
        this._changeDetectorRef.detectChanges();
    }
    ngOnDestroy() {
        this._destroyed.next();
        this._destroyed.complete();
    }
    /** Determines whether a class from the NgControl should be forwarded to the host element. */
    _shouldForward(prop) {
        const ngControl = this._control ? this._control.ngControl : null;
        return ngControl && ngControl[prop];
    }
    _hasPlaceholder() {
        return !!(this._control && this._control.placeholder || this._placeholderChild);
    }
    _hasLabel() {
        return !!(this._labelChildNonStatic || this._labelChildStatic);
    }
    _shouldLabelFloat() {
        return this._canLabelFloat() &&
            ((this._control && this._control.shouldLabelFloat) || this._shouldAlwaysFloat());
    }
    _hideControlPlaceholder() {
        // 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();
    }
    _hasFloatingLabel() {
        // 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. */
    _getDisplayedMessages() {
        return (this._errorChildren && this._errorChildren.length > 0 &&
            this._control.errorState) ? 'error' : 'hint';
    }
    /** Animates the placeholder up and locks it in position. */
    _animateAndLockLabel() {
        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;
                fromEvent(this._label.nativeElement, 'transitionend').pipe(take(1)).subscribe(() => {
                    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).
     */
    _validatePlaceholders() {
        if (this._control.placeholder && this._placeholderChild &&
            (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw getMatFormFieldPlaceholderConflictError();
        }
    }
    /** Does any extra processing that is required when handling the hints. */
    _processHints() {
        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"`.
     */
    _validateHints() {
        if (this._hintChildren && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            let startHint;
            let endHint;
            this._hintChildren.forEach((hint) => {
                if (hint.align === 'start') {
                    if (startHint || this.hintLabel) {
                        throw getMatFormFieldDuplicatedHintError('start');
                    }
                    startHint = hint;
                }
                else if (hint.align === 'end') {
                    if (endHint) {
                        throw getMatFormFieldDuplicatedHintError('end');
                    }
                    endHint = hint;
                }
            });
        }
    }
    /** Gets the default float label state. */
    _getDefaultFloatLabelState() {
        return (this._defaults && this._defaults.floatLabel) || 'auto';
    }
    /**
     * Sets the list of element IDs that describe the child control. This allows the control to update
     * its `aria-describedby` attribute accordingly.
     */
    _syncDescribedByIds() {
        if (this._control) {
            let ids = [];
            // TODO(wagnermaciel): Remove the type check when we find the root cause of this bug.
            if (this._control.userAriaDescribedBy &&
                typeof this._control.userAriaDescribedBy === 'string') {
                ids.push(...this._control.userAriaDescribedBy.split(' '));
            }
            if (this._getDisplayedMessages() === 'hint') {
                const startHint = this._hintChildren ?
                    this._hintChildren.find(hint => hint.align === 'start') : null;
                const endHint = this._hintChildren ?
                    this._hintChildren.find(hint => 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.push(...this._errorChildren.map(error => error.id));
            }
            this._control.setDescribedByIds(ids);
        }
    }
    /** Throws an error if the form field's control is missing. */
    _validateControlChild() {
        if (!this._control && (typeof ngDevMode === 'undefined' || ngDevMode)) {
            throw getMatFormFieldMissingControlError();
        }
    }
    /**
     * Updates the width and position of the gap in the outline. Only relevant for the outline
     * appearance.
     */
    updateOutlineGap() {
        const 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;
        }
        let startWidth = 0;
        let gapWidth = 0;
        const container = this._connectionContainerRef.nativeElement;
        const startEls = container.querySelectorAll('.mat-form-field-outline-start');
        const gapEls = container.querySelectorAll('.mat-form-field-outline-gap');
        if (this._label && this._label.nativeElement.children.length) {
            const 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;
            }
            const containerStart = this._getStartEnd(containerRect);
            const labelChildren = labelEl.children;
            const labelStart = this._getStartEnd(labelChildren[0].getBoundingClientRect());
            let labelWidth = 0;
            for (let i = 0; i < labelChildren.length; i++) {
                labelWidth += labelChildren[i].offsetWidth;
            }
            startWidth = Math.abs(labelStart - containerStart) - outlineGapPadding;
            gapWidth = labelWidth > 0 ? labelWidth * floatingLabelScale + outlineGapPadding * 2 : 0;
        }
        for (let i = 0; i < startEls.length; i++) {
            startEls[i].style.width = `${startWidth}px`;
        }
        for (let i = 0; i < gapEls.length; i++) {
            gapEls[i].style.width = `${gapWidth}px`;
        }
        this._outlineGapCalculationNeededOnStable =
            this._outlineGapCalculationNeededImmediately = false;
    }
    /** Gets the start end of the rect considering the current directionality. */
    _getStartEnd(rect) {
        return (this._dir && this._dir.value === 'rtl') ? rect.right : rect.left;
    }
    /** Checks whether the form field is attached to the DOM. */
    _isAttachedToDOM() {
        const element = this._elementRef.nativeElement;
        if (element.getRootNode) {
            const 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: 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\">&#32;*</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.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: ViewEncapsulation.None,
                changeDetection: 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:none;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 .mat-icon,.mat-form-field-label-wrapper .mat-icon{width:1em;height:1em;font-size:inherit;vertical-align:baseline}.mat-form-field-hint-wrapper{display:flex}.mat-form-field-hint-spacer{flex:1 0 1em}.mat-error{display:block}.mat-form-field-control-wrapper{position:relative}.mat-form-field-hint-end{order:1}.mat-form-field._mat-animation-noopable .mat-form-field-label,.mat-form-field._mat-animation-noopable .mat-form-field-ripple{transition:none}\n", ".mat-form-field-appearance-fill .mat-form-field-flex{border-radius:4px 4px 0 0;padding:.75em .75em 0 .75em}.cdk-high-contrast-active .mat-form-field-appearance-fill .mat-form-field-flex{outline:solid 1px}.mat-form-field-appearance-fill .mat-form-field-underline::before{content:\"\";display:block;position:absolute;bottom:0;height:1px;width:100%}.mat-form-field-appearance-fill .mat-form-field-ripple{bottom:0;height:2px}.cdk-high-contrast-active .mat-form-field-appearance-fill .mat-form-field-ripple{height:0;border-top:solid 2px}.mat-form-field-appearance-fill:not(.mat-form-field-disabled) .mat-form-field-flex:hover~.mat-form-field-underline .mat-form-field-ripple{opacity:1;transform:none;transition:opacity 600ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-form-field-appearance-fill._mat-animation-noopable:not(.mat-form-field-disabled) .mat-form-field-flex:hover~.mat-form-field-underline .mat-form-field-ripple{transition:none}.mat-form-field-appearance-fill .mat-form-field-subscript-wrapper{padding:0 1em}\n", ".mat-input-element{font:inherit;background:transparent;color:currentColor;border:none;outline:none;padding:0;margin:0;width:100%;max-width:100%;vertical-align:bottom;text-align:inherit;box-sizing:content-box}.mat-input-element:-moz-ui-invalid{box-shadow:none}.mat-input-element::-ms-clear,.mat-input-element::-ms-reveal{display:none}.mat-input-element,.mat-input-element::-webkit-search-cancel-button,.mat-input-element::-webkit-search-decoration,.mat-input-element::-webkit-search-results-button,.mat-input-element::-webkit-search-results-decoration{-webkit-appearance:none}.mat-input-element::-webkit-contacts-auto-fill-button,.mat-input-element::-webkit-caps-lock-indicator,.mat-input-element::-webkit-credentials-auto-fill-button{visibility:hidden}.mat-input-element[type=date],.mat-input-element[type=datetime],.mat-input-element[type=datetime-local],.mat-input-element[type=month],.mat-input-element[type=week],.mat-input-element[type=time]{line-height:1}.mat-input-element[type=date]::after,.mat-input-element[type=datetime]::after,.mat-input-element[type=datetime-local]::after,.mat-input-element[type=month]::after,.mat-input-element[type=week]::after,.mat-input-element[type=time]::after{content:\" \";white-space:pre;width:1px}.mat-input-element::-webkit-inner-spin-button,.mat-input-element::-webkit-calendar-picker-indicator,.mat-input-element::-webkit-clear-button{font-size:.75em}.mat-input-element::placeholder{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;transition:color 400ms 133.3333333333ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-input-element::placeholder:-ms-input-placeholder{-ms-user-select:text}.mat-input-element::-moz-placeholder{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;transition:color 400ms 133.3333333333ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-input-element::-moz-placeholder:-ms-input-placeholder{-ms-user-select:text}.mat-input-element::-webkit-input-placeholder{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;transition:color 400ms 133.3333333333ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-input-element::-webkit-input-placeholder:-ms-input-placeholder{-ms-user-select:text}.mat-input-element:-ms-input-placeholder{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;transition:color 400ms 133.3333333333ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-input-element:-ms-input-placeholder:-ms-input-placeholder{-ms-user-select:text}.mat-form-field-hide-placeholder .mat-input-element::placeholder{color:transparent !important;-webkit-text-fill-color:transparent;transition:none}.mat-form-field-hide-placeholder .mat-input-element::-moz-placeholder{color:transparent !important;-webkit-text-fill-color:transparent;transition:none}.mat-form-field-hide-placeholder .mat-input-element::-webkit-input-placeholder{color:transparent !important;-webkit-text-fill-color:transparent;transition:none}.mat-form-field-hide-placeholder .mat-input-element:-ms-input-placeholder{color:transparent !important;-webkit-text-fill-color:transparent;transition:none}textarea.mat-input-element{resize:vertical;overflow:auto}textarea.mat-input-element.cdk-textarea-autosize{resize:none}textarea.mat-input-element{padding:2px 0;margin:-2px 0}select.mat-input-element{-moz-appearance:none;-webkit-appearance:none;position:relative;background-color:transparent;display:inline-flex;box-sizing:border-box;padding-top:1em;top:-1em;margin-bottom:-1em}select.mat-input-element::-ms-expand{display:none}select.mat-input-element::-moz-focus-inner{border:0}select.mat-input-element:not(:disabled){cursor:pointer}select.mat-input-element::-ms-value{color:inherit;background:none}.mat-focused .cdk-high-contrast-active select.mat-input-element::-ms-value{color:inherit}.mat-form-field-type-mat-native-select .mat-form-field-infix::after{content:\"\";width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:5px solid;position:absolute;top:50%;right:0;margin-top:-2.5px;pointer-events:none}[dir=rtl] .mat-form-field-type-mat-native-select .mat-form-field-infix::after{right:auto;left:0}.mat-form-field-type-mat-native-select .mat-input-element{padding-right:15px}[dir=rtl] .mat-form-field-type-mat-native-select .mat-input-element{padding-right:0;padding-left:15px}.mat-form-field-type-mat-native-select .mat-form-field-label-wrapper{max-width:calc(100% - 10px)}.mat-form-field-type-mat-native-select.mat-form-field-appearance-outline .mat-form-field-infix::after{margin-top:-5px}.mat-form-field-type-mat-native-select.mat-form-field-appearance-fill .mat-form-field-infix::after{margin-top:-10px}\n", ".mat-form-field-appearance-legacy .mat-form-field-label{transform:perspective(100px);-ms-transform:none}.mat-form-field-appearance-legacy .mat-form-field-prefix .mat-icon,.mat-form-field-appearance-legacy .mat-form-field-suffix .mat-icon{width:1em}.mat-form-field-appearance-legacy .mat-form-field-prefix .mat-icon-button,.mat-form-field-appearance-legacy .mat-form-field-suffix .mat-icon-button{font:inherit;vertical-align:baseline}.mat-form-field-appearance-legacy .mat-form-field-prefix .mat-icon-button .mat-icon,.mat-form-field-appearance-legacy .mat-form-field-suffix .mat-icon-button .mat-icon{font-size:inherit}.mat-form-field-appearance-legacy .mat-form-field-underline{height:1px}.cdk-high-contrast-active .mat-form-field-appearance-legacy .mat-form-field-underline{height:0;border-top:solid 1px}.mat-form-field-appearance-legacy .mat-form-field-ripple{top:0;height:2px;overflow:hidden}.cdk-high-contrast-active .mat-form-field-appearance-legacy .mat-form-field-ripple{height:0;border-top:solid 2px}.mat-form-field-appearance-legacy.mat-form-field-disabled .mat-form-field-underline{background-position:0;background-color:transparent}.cdk-high-contrast-active .mat-form-field-appearance-legacy.mat-form-field-disabled .mat-form-field-underline{border-top-style:dotted;border-top-width:2px}.mat-form-field-appearance-legacy.mat-form-field-invalid:not(.mat-focused) .mat-form-field-ripple{height:1px}\n", ".mat-form-field-appearance-outline .mat-form-field-wrapper{margin:.25em 0}.mat-form-field-appearance-outline .mat-form-field-flex{padding:0 .75em 0 .75em;margin-top:-0.25em;position:relative}.mat-form-field-appearance-outline .mat-form-field-prefix,.mat-form-field-appearance-outline .mat-form-field-suffix{top:.25em}.mat-form-field-appearance-outline .mat-form-field-outline{display:flex;position:absolute;top:.25em;left:0;right:0;bottom:0;pointer-events:none}.mat-form-field-appearance-outline .mat-form-field-outline-start,.mat-form-field-appearance-outline .mat-form-field-outline-end{border:1px solid currentColor;min-width:5px}.mat-form-field-appearance-outline .mat-form-field-outline-start{border-radius:5px 0 0 5px;border-right-style:none}[dir=rtl] .mat-form-field-appearance-outline .mat-form-field-outline-start{border-right-style:solid;border-left-style:none;border-radius:0 5px 5px 0}.mat-form-field-appearance-outline .mat-form-field-outline-end{border-radius:0 5px 5px 0;border-left-style:none;flex-grow:1}[dir=rtl] .mat-form-field-appearance-outline .mat-form-field-outline-end{border-left-style:solid;border-right-style:none;border-radius:5px 0 0 5px}.mat-form-field-appearance-outline .mat-form-field-outline-gap{border-radius:.000001px;border:1px solid currentColor;border-left-style:none;border-right-style:none}.mat-form-field-appearance-outline.mat-form-field-can-float.mat-form-field-should-float .mat-form-field-outline-gap{border-top-color:transparent}.mat-form-field-appearance-outline .mat-form-field-outline-thick{opacity:0}.mat-form-field-appearance-outline .mat-form-field-outline-thick .mat-form-field-outline-start,.mat-form-field-appearance-outline .mat-form-field-outline-thick .mat-form-field-outline-end,.mat-form-field-appearance-outline .mat-form-field-outline-thick .mat-form-field-outline-gap{border-width:2px}.mat-form-field-appearance-outline.mat-focused .mat-form-field-outline,.mat-form-field-appearance-outline.mat-form-field-invalid .mat-form-field-outline{opacity:0;transition:opacity 100ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-form-field-appearance-outline.mat-focused .mat-form-field-outline-thick,.mat-form-field-appearance-outline.mat-form-field-invalid .mat-form-field-outline-thick{opacity:1}.mat-form-field-appearance-outline:not(.mat-form-field-disabled) .mat-form-field-flex:hover .mat-form-field-outline{opacity:0;transition:opacity 600ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-form-field-appearance-outline:not(.mat-form-field-disabled) .mat-form-field-flex:hover .mat-form-field-outline-thick{opacity:1}.mat-form-field-appearance-outline .mat-form-field-subscript-wrapper{padding:0 1em}.mat-form-field-appearance-outline._mat-animation-noopable:not(.mat-form-field-disabled) .mat-form-field-flex:hover~.mat-form-field-outline,.mat-form-field-appearance-outline._mat-animation-noopable .mat-form-field-outline,.mat-form-field-appearance-outline._mat-animation-noopable .mat-form-field-outline-start,.mat-form-field-appearance-outline._mat-animation-noopable .mat-form-field-outline-end,.mat-form-field-appearance-outline._mat-animation-noopable .mat-form-field-outline-gap{transition:none}\n", ".mat-form-field-appearance-standard .mat-form-field-flex{padding-top:.75em}.mat-form-field-appearance-standard .mat-form-field-underline{height:1px}.cdk-high-contrast-active .mat-form-field-appearance-standard .mat-form-field-underline{height:0;border-top:solid 1px}.mat-form-field-appearance-standard .mat-form-field-ripple{bottom:0;height:2px}.cdk-high-contrast-active .mat-form-field-appearance-standard .mat-form-field-ripple{height:0;border-top:solid 2px}.mat-form-field-appearance-standard.mat-form-field-disabled .mat-form-field-underline{background-position:0;background-color:transparent}.cdk-high-contrast-active .mat-form-field-appearance-standard.mat-form-field-disabled .mat-form-field-underline{border-top-style:dotted;border-top-width:2px}.mat-form-field-appearance-standard:not(.mat-form-field-disabled) .mat-form-field-flex:hover~.mat-form-field-underline .mat-form-field-ripple{opacity:1;transform:none;transition:opacity 600ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-form-field-appearance-standard._mat-animation-noopable:not(.mat-form-field-disabled) .mat-form-field-flex:hover~.mat-form-field-underline .mat-form-field-ripple{transition:none}\n"]
            },] }
];
MatFormField.ctorParameters = () => [
    { type: ElementRef },
    { type: ChangeDetectorRef },
    { type: undefined, decorators: [{ type: Inject, args: [ElementRef,] }] },
    { type: Directionality, decorators: [{ type: Optional }] },
    { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_FORM_FIELD_DEFAULT_OPTIONS,] }] },
    { type: Platform },
    { type: NgZone },
    { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }
];
MatFormField.propDecorators = {
    appearance: [{ type: Input }],
    hideRequiredMarker: [{ type: Input }],
    hintLabel: [{ type: Input }],
    floatLabel: [{ type: Input }],
    underlineRef: [{ type: ViewChild, args: ['underline',] }],
    _connectionContainerRef: [{ type: ViewChild, args: ['connectionContainer', { static: true },] }],
    _inputContainerRef: [{ type: ViewChild, args: ['inputContainer',] }],
    _label: [{ type: ViewChild, args: ['label',] }],
    _controlNonStatic: [{ type: ContentChild, args: [MatFormFieldControl,] }],
    _controlStatic: [{ type: ContentChild, args: [MatFormFieldControl, { static: true },] }],
    _labelChildNonStatic: [{ type: ContentChild, args: [MatLabel,] }],
    _labelChildStatic: [{ type: ContentChild, args: [MatLabel, { static: true },] }],
    _placeholderChild: [{ type: ContentChild, args: [MatPlaceholder,] }],
    _errorChildren: [{ type: ContentChildren, args: [MAT_ERROR, { descendants: true },] }],
    _hintChildren: [{ type: ContentChildren, args: [_MAT_HINT, { descendants: true },] }],
    _prefixChildren: [{ type: ContentChildren, args: [MAT_PREFIX, { descendants: true },] }],
    _suffixChildren: [{ type: ContentChildren, args: [MAT_SUFFIX, { descendants: true },] }]
};

/**
 * @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
 */
class MatFormFieldModule {
}
MatFormFieldModule.decorators = [
    { type: NgModule, args: [{
                declarations: [
                    MatError,
                    MatFormField,
                    MatHint,
                    MatLabel,
                    MatPlaceholder,
                    MatPrefix,
                    MatSuffix,
                ],
                imports: [
                    CommonModule,
                    MatCommonModule,
                    ObserversModule,
                ],
                exports: [
                    MatCommonModule,
                    MatError,
                    MatFormField,
                    MatHint,
                    MatLabel,
                    MatPlaceholder,
                    MatPrefix,
                    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
 */

/**
 * Generated bundle index. Do not edit.
 */

export { MAT_ERROR, MAT_FORM_FIELD, MAT_FORM_FIELD_DEFAULT_OPTIONS, MAT_PREFIX, MAT_SUFFIX, MatError, MatFormField, MatFormFieldControl, MatFormFieldModule, MatHint, MatLabel, MatPlaceholder, MatPrefix, MatSuffix, _MAT_HINT, getMatFormFieldDuplicatedHintError, getMatFormFieldMissingControlError, getMatFormFieldPlaceholderConflictError, matFormFieldAnimations };
//# sourceMappingURL=form-field.js.map