Icard/angular-clarity-master(work.../node_modules/@angular/cdk/fesm2022/text-field.mjs

423 lines
20 KiB
JavaScript

import * as i1 from '@angular/cdk/platform';
import { normalizePassiveListenerOptions } from '@angular/cdk/platform';
import * as i0 from '@angular/core';
import { Injectable, EventEmitter, Directive, Output, Optional, Inject, Input, NgModule } from '@angular/core';
import { coerceElement, coerceNumberProperty, coerceBooleanProperty } from '@angular/cdk/coercion';
import { EMPTY, Subject, fromEvent } from 'rxjs';
import { auditTime, takeUntil } from 'rxjs/operators';
import { DOCUMENT } from '@angular/common';
/** Options to pass to the animationstart listener. */
const listenerOptions = normalizePassiveListenerOptions({ passive: true });
/**
* An injectable service that can be used to monitor the autofill state of an input.
* Based on the following blog post:
* https://medium.com/@brunn/detecting-autofilled-fields-in-javascript-aed598d25da7
*/
class AutofillMonitor {
constructor(_platform, _ngZone) {
this._platform = _platform;
this._ngZone = _ngZone;
this._monitoredElements = new Map();
}
monitor(elementOrRef) {
if (!this._platform.isBrowser) {
return EMPTY;
}
const element = coerceElement(elementOrRef);
const info = this._monitoredElements.get(element);
if (info) {
return info.subject;
}
const result = new Subject();
const cssClass = 'cdk-text-field-autofilled';
const listener = ((event) => {
// Animation events fire on initial element render, we check for the presence of the autofill
// CSS class to make sure this is a real change in state, not just the initial render before
// we fire off events.
if (event.animationName === 'cdk-text-field-autofill-start' &&
!element.classList.contains(cssClass)) {
element.classList.add(cssClass);
this._ngZone.run(() => result.next({ target: event.target, isAutofilled: true }));
}
else if (event.animationName === 'cdk-text-field-autofill-end' &&
element.classList.contains(cssClass)) {
element.classList.remove(cssClass);
this._ngZone.run(() => result.next({ target: event.target, isAutofilled: false }));
}
});
this._ngZone.runOutsideAngular(() => {
element.addEventListener('animationstart', listener, listenerOptions);
element.classList.add('cdk-text-field-autofill-monitored');
});
this._monitoredElements.set(element, {
subject: result,
unlisten: () => {
element.removeEventListener('animationstart', listener, listenerOptions);
},
});
return result;
}
stopMonitoring(elementOrRef) {
const element = coerceElement(elementOrRef);
const info = this._monitoredElements.get(element);
if (info) {
info.unlisten();
info.subject.complete();
element.classList.remove('cdk-text-field-autofill-monitored');
element.classList.remove('cdk-text-field-autofilled');
this._monitoredElements.delete(element);
}
}
ngOnDestroy() {
this._monitoredElements.forEach((_info, element) => this.stopMonitoring(element));
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: AutofillMonitor, deps: [{ token: i1.Platform }, { token: i0.NgZone }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: AutofillMonitor, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: AutofillMonitor, decorators: [{
type: Injectable,
args: [{ providedIn: 'root' }]
}], ctorParameters: function () { return [{ type: i1.Platform }, { type: i0.NgZone }]; } });
/** A directive that can be used to monitor the autofill state of an input. */
class CdkAutofill {
constructor(_elementRef, _autofillMonitor) {
this._elementRef = _elementRef;
this._autofillMonitor = _autofillMonitor;
/** Emits when the autofill state of the element changes. */
this.cdkAutofill = new EventEmitter();
}
ngOnInit() {
this._autofillMonitor
.monitor(this._elementRef)
.subscribe(event => this.cdkAutofill.emit(event));
}
ngOnDestroy() {
this._autofillMonitor.stopMonitoring(this._elementRef);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: CdkAutofill, deps: [{ token: i0.ElementRef }, { token: AutofillMonitor }], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.1.1", type: CdkAutofill, selector: "[cdkAutofill]", outputs: { cdkAutofill: "cdkAutofill" }, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: CdkAutofill, decorators: [{
type: Directive,
args: [{
selector: '[cdkAutofill]',
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: AutofillMonitor }]; }, propDecorators: { cdkAutofill: [{
type: Output
}] } });
/** Directive to automatically resize a textarea to fit its content. */
class CdkTextareaAutosize {
/** Minimum amount of rows in the textarea. */
get minRows() {
return this._minRows;
}
set minRows(value) {
this._minRows = coerceNumberProperty(value);
this._setMinHeight();
}
/** Maximum amount of rows in the textarea. */
get maxRows() {
return this._maxRows;
}
set maxRows(value) {
this._maxRows = coerceNumberProperty(value);
this._setMaxHeight();
}
/** Whether autosizing is enabled or not */
get enabled() {
return this._enabled;
}
set enabled(value) {
value = coerceBooleanProperty(value);
// Only act if the actual value changed. This specifically helps to not run
// resizeToFitContent too early (i.e. before ngAfterViewInit)
if (this._enabled !== value) {
(this._enabled = value) ? this.resizeToFitContent(true) : this.reset();
}
}
get placeholder() {
return this._textareaElement.placeholder;
}
set placeholder(value) {
this._cachedPlaceholderHeight = undefined;
if (value) {
this._textareaElement.setAttribute('placeholder', value);
}
else {
this._textareaElement.removeAttribute('placeholder');
}
this._cacheTextareaPlaceholderHeight();
}
constructor(_elementRef, _platform, _ngZone,
/** @breaking-change 11.0.0 make document required */
document) {
this._elementRef = _elementRef;
this._platform = _platform;
this._ngZone = _ngZone;
this._destroyed = new Subject();
this._enabled = true;
/**
* Value of minRows as of last resize. If the minRows has decreased, the
* height of the textarea needs to be recomputed to reflect the new minimum. The maxHeight
* does not have the same problem because it does not affect the textarea's scrollHeight.
*/
this._previousMinRows = -1;
this._isViewInited = false;
/** Handles `focus` and `blur` events. */
this._handleFocusEvent = (event) => {
this._hasFocus = event.type === 'focus';
};
this._document = document;
this._textareaElement = this._elementRef.nativeElement;
}
/** Sets the minimum height of the textarea as determined by minRows. */
_setMinHeight() {
const minHeight = this.minRows && this._cachedLineHeight ? `${this.minRows * this._cachedLineHeight}px` : null;
if (minHeight) {
this._textareaElement.style.minHeight = minHeight;
}
}
/** Sets the maximum height of the textarea as determined by maxRows. */
_setMaxHeight() {
const maxHeight = this.maxRows && this._cachedLineHeight ? `${this.maxRows * this._cachedLineHeight}px` : null;
if (maxHeight) {
this._textareaElement.style.maxHeight = maxHeight;
}
}
ngAfterViewInit() {
if (this._platform.isBrowser) {
// Remember the height which we started with in case autosizing is disabled
this._initialHeight = this._textareaElement.style.height;
this.resizeToFitContent();
this._ngZone.runOutsideAngular(() => {
const window = this._getWindow();
fromEvent(window, 'resize')
.pipe(auditTime(16), takeUntil(this._destroyed))
.subscribe(() => this.resizeToFitContent(true));
this._textareaElement.addEventListener('focus', this._handleFocusEvent);
this._textareaElement.addEventListener('blur', this._handleFocusEvent);
});
this._isViewInited = true;
this.resizeToFitContent(true);
}
}
ngOnDestroy() {
this._textareaElement.removeEventListener('focus', this._handleFocusEvent);
this._textareaElement.removeEventListener('blur', this._handleFocusEvent);
this._destroyed.next();
this._destroyed.complete();
}
/**
* Cache the height of a single-row textarea if it has not already been cached.
*
* We need to know how large a single "row" of a textarea is in order to apply minRows and
* maxRows. For the initial version, we will assume that the height of a single line in the
* textarea does not ever change.
*/
_cacheTextareaLineHeight() {
if (this._cachedLineHeight) {
return;
}
// Use a clone element because we have to override some styles.
let textareaClone = this._textareaElement.cloneNode(false);
textareaClone.rows = 1;
// Use `position: absolute` so that this doesn't cause a browser layout and use
// `visibility: hidden` so that nothing is rendered. Clear any other styles that
// would affect the height.
textareaClone.style.position = 'absolute';
textareaClone.style.visibility = 'hidden';
textareaClone.style.border = 'none';
textareaClone.style.padding = '0';
textareaClone.style.height = '';
textareaClone.style.minHeight = '';
textareaClone.style.maxHeight = '';
// In Firefox it happens that textarea elements are always bigger than the specified amount
// of rows. This is because Firefox tries to add extra space for the horizontal scrollbar.
// As a workaround that removes the extra space for the scrollbar, we can just set overflow
// to hidden. This ensures that there is no invalid calculation of the line height.
// See Firefox bug report: https://bugzilla.mozilla.org/show_bug.cgi?id=33654
textareaClone.style.overflow = 'hidden';
this._textareaElement.parentNode.appendChild(textareaClone);
this._cachedLineHeight = textareaClone.clientHeight;
textareaClone.remove();
// Min and max heights have to be re-calculated if the cached line height changes
this._setMinHeight();
this._setMaxHeight();
}
_measureScrollHeight() {
const element = this._textareaElement;
const previousMargin = element.style.marginBottom || '';
const isFirefox = this._platform.FIREFOX;
const needsMarginFiller = isFirefox && this._hasFocus;
const measuringClass = isFirefox
? 'cdk-textarea-autosize-measuring-firefox'
: 'cdk-textarea-autosize-measuring';
// In some cases the page might move around while we're measuring the `textarea` on Firefox. We
// work around it by assigning a temporary margin with the same height as the `textarea` so that
// it occupies the same amount of space. See #23233.
if (needsMarginFiller) {
element.style.marginBottom = `${element.clientHeight}px`;
}
// Reset the textarea height to auto in order to shrink back to its default size.
// Also temporarily force overflow:hidden, so scroll bars do not interfere with calculations.
element.classList.add(measuringClass);
// The measuring class includes a 2px padding to workaround an issue with Chrome,
// so we account for that extra space here by subtracting 4 (2px top + 2px bottom).
const scrollHeight = element.scrollHeight - 4;
element.classList.remove(measuringClass);
if (needsMarginFiller) {
element.style.marginBottom = previousMargin;
}
return scrollHeight;
}
_cacheTextareaPlaceholderHeight() {
if (!this._isViewInited || this._cachedPlaceholderHeight != undefined) {
return;
}
if (!this.placeholder) {
this._cachedPlaceholderHeight = 0;
return;
}
const value = this._textareaElement.value;
this._textareaElement.value = this._textareaElement.placeholder;
this._cachedPlaceholderHeight = this._measureScrollHeight();
this._textareaElement.value = value;
}
ngDoCheck() {
if (this._platform.isBrowser) {
this.resizeToFitContent();
}
}
/**
* Resize the textarea to fit its content.
* @param force Whether to force a height recalculation. By default the height will be
* recalculated only if the value changed since the last call.
*/
resizeToFitContent(force = false) {
// If autosizing is disabled, just skip everything else
if (!this._enabled) {
return;
}
this._cacheTextareaLineHeight();
this._cacheTextareaPlaceholderHeight();
// If we haven't determined the line-height yet, we know we're still hidden and there's no point
// in checking the height of the textarea.
if (!this._cachedLineHeight) {
return;
}
const textarea = this._elementRef.nativeElement;
const value = textarea.value;
// Only resize if the value or minRows have changed since these calculations can be expensive.
if (!force && this._minRows === this._previousMinRows && value === this._previousValue) {
return;
}
const scrollHeight = this._measureScrollHeight();
const height = Math.max(scrollHeight, this._cachedPlaceholderHeight || 0);
// Use the scrollHeight to know how large the textarea *would* be if fit its entire value.
textarea.style.height = `${height}px`;
this._ngZone.runOutsideAngular(() => {
if (typeof requestAnimationFrame !== 'undefined') {
requestAnimationFrame(() => this._scrollToCaretPosition(textarea));
}
else {
setTimeout(() => this._scrollToCaretPosition(textarea));
}
});
this._previousValue = value;
this._previousMinRows = this._minRows;
}
/**
* Resets the textarea to its original size
*/
reset() {
// Do not try to change the textarea, if the initialHeight has not been determined yet
// This might potentially remove styles when reset() is called before ngAfterViewInit
if (this._initialHeight !== undefined) {
this._textareaElement.style.height = this._initialHeight;
}
}
_noopInputHandler() {
// no-op handler that ensures we're running change detection on input events.
}
/** Access injected document if available or fallback to global document reference */
_getDocument() {
return this._document || document;
}
/** Use defaultView of injected document if available or fallback to global window reference */
_getWindow() {
const doc = this._getDocument();
return doc.defaultView || window;
}
/**
* Scrolls a textarea to the caret position. On Firefox resizing the textarea will
* prevent it from scrolling to the caret position. We need to re-set the selection
* in order for it to scroll to the proper position.
*/
_scrollToCaretPosition(textarea) {
const { selectionStart, selectionEnd } = textarea;
// IE will throw an "Unspecified error" if we try to set the selection range after the
// element has been removed from the DOM. Assert that the directive hasn't been destroyed
// between the time we requested the animation frame and when it was executed.
// Also note that we have to assert that the textarea is focused before we set the
// selection range. Setting the selection range on a non-focused textarea will cause
// it to receive focus on IE and Edge.
if (!this._destroyed.isStopped && this._hasFocus) {
textarea.setSelectionRange(selectionStart, selectionEnd);
}
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: CdkTextareaAutosize, deps: [{ token: i0.ElementRef }, { token: i1.Platform }, { token: i0.NgZone }, { token: DOCUMENT, optional: true }], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.1.1", type: CdkTextareaAutosize, selector: "textarea[cdkTextareaAutosize]", inputs: { minRows: ["cdkAutosizeMinRows", "minRows"], maxRows: ["cdkAutosizeMaxRows", "maxRows"], enabled: ["cdkTextareaAutosize", "enabled"], placeholder: "placeholder" }, host: { attributes: { "rows": "1" }, listeners: { "input": "_noopInputHandler()" }, classAttribute: "cdk-textarea-autosize" }, exportAs: ["cdkTextareaAutosize"], ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: CdkTextareaAutosize, decorators: [{
type: Directive,
args: [{
selector: 'textarea[cdkTextareaAutosize]',
exportAs: 'cdkTextareaAutosize',
host: {
'class': 'cdk-textarea-autosize',
// Textarea elements that have the directive applied should have a single row by default.
// Browsers normally show two rows by default and therefore this limits the minRows binding.
'rows': '1',
'(input)': '_noopInputHandler()',
},
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i1.Platform }, { type: i0.NgZone }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [DOCUMENT]
}] }]; }, propDecorators: { minRows: [{
type: Input,
args: ['cdkAutosizeMinRows']
}], maxRows: [{
type: Input,
args: ['cdkAutosizeMaxRows']
}], enabled: [{
type: Input,
args: ['cdkTextareaAutosize']
}], placeholder: [{
type: Input
}] } });
class TextFieldModule {
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: TextFieldModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule }); }
static { this.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "16.1.1", ngImport: i0, type: TextFieldModule, declarations: [CdkAutofill, CdkTextareaAutosize], exports: [CdkAutofill, CdkTextareaAutosize] }); }
static { this.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: TextFieldModule }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: TextFieldModule, decorators: [{
type: NgModule,
args: [{
declarations: [CdkAutofill, CdkTextareaAutosize],
exports: [CdkAutofill, CdkTextareaAutosize],
}]
}] });
/**
* Generated bundle index. Do not edit.
*/
export { AutofillMonitor, CdkAutofill, CdkTextareaAutosize, TextFieldModule };
//# sourceMappingURL=text-field.mjs.map