import HTMLElement from '../html-element/HTMLElement.js';
import * as PropertySymbol from '../../PropertySymbol.js';
import ValidityState from '../../validity-state/ValidityState.js';
import DOMException from '../../exception/DOMException.js';
import DOMExceptionNameEnum from '../../exception/DOMExceptionNameEnum.js';
import Event from '../../event/Event.js';
import HTMLInputElementValueSanitizer from './HTMLInputElementValueSanitizer.js';
import HTMLInputElementSelectionModeEnum from './HTMLInputElementSelectionModeEnum.js';
import HTMLInputElementSelectionDirectionEnum from './HTMLInputElementSelectionDirectionEnum.js';
import IHTMLInputElement from './IHTMLInputElement.js';
import IHTMLFormElement from '../html-form-element/IHTMLFormElement.js';
import IHTMLElement from '../html-element/IHTMLElement.js';
import HTMLInputElementValueStepping from './HTMLInputElementValueStepping.js';
import FileList from './FileList.js';
import File from '../../file/File.js';
import IFileList from './IFileList.js';
import INode from '../node/INode.js';
import HTMLFormElement from '../html-form-element/HTMLFormElement.js';
import INodeList from '../node/INodeList.js';
import IHTMLLabelElement from '../html-label-element/IHTMLLabelElement.js';
import EventPhaseEnum from '../../event/EventPhaseEnum.js';
import HTMLInputElementDateUtility from './HTMLInputElementDateUtility.js';
import HTMLLabelElementUtility from '../html-label-element/HTMLLabelElementUtility.js';
import INamedNodeMap from '../../named-node-map/INamedNodeMap.js';
import HTMLInputElementNamedNodeMap from './HTMLInputElementNamedNodeMap.js';
import { URL } from 'url';
/**
* HTML Input Element.
*
* Reference:
* https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement.
*
* Used as reference for some of the logic (like selection range):
* https://github.com/jsdom/jsdom/blob/master/lib/jsdom/living/nodes/nodes/HTMLInputElement-impl.js (MIT licensed).
*/
export default class HTMLInputElement extends HTMLElement implements IHTMLInputElement {
// Events
public oninput: (event: Event) => void | null = null;
public oninvalid: (event: Event) => void | null = null;
public onselectionchange: (event: Event) => void | null = null;
// Internal properties
public override [PropertySymbol.attributes]: INamedNodeMap = new HTMLInputElementNamedNodeMap(
this
);
public [PropertySymbol.value] = null;
public [PropertySymbol.height] = 0;
public [PropertySymbol.width] = 0;
public [PropertySymbol.defaultChecked] = false;
public [PropertySymbol.checked]: boolean | null = null;
public [PropertySymbol.validationMessage] = '';
public [PropertySymbol.validity] = new ValidityState(this);
public [PropertySymbol.files]: IFileList = new FileList();
// Private properties
#selectionStart: number = null;
#selectionEnd: number = null;
#selectionDirection: HTMLInputElementSelectionDirectionEnum =
HTMLInputElementSelectionDirectionEnum.none;
/**
* Returns default checked.
*
* @returns Default checked.
*/
public get defaultChecked(): boolean {
return this[PropertySymbol.defaultChecked];
}
/**
* Sets default checked.
*
* @param defaultChecked Default checked.
*/
public set defaultChecked(defaultChecked: boolean) {
this[PropertySymbol.defaultChecked] = defaultChecked;
}
/**
* Returns files.
*
* @returns Files.
*/
public get files(): IFileList {
return this[PropertySymbol.files];
}
/**
* Sets files.
*
* @param files Files.
*/
public set files(files: IFileList) {
this[PropertySymbol.files] = files;
}
/**
* Returns form action.
*
* @returns URL.
*/
public get formAction(): string {
return (
this.getAttribute('formaction') ||
(this[PropertySymbol.formNode])?.action ||
this[PropertySymbol.ownerDocument][PropertySymbol.ownerWindow].location.href
);
}
/**
* Sets form action.
*
* @param url URL.
*/
public set formAction(url: string) {
try {
new URL(url);
} catch (error) {
return;
}
this.setAttribute('formaction', url);
}
/**
* Returns form method.
*/
public get formMethod(): string {
return (
this.getAttribute('formmethod') ||
(this[PropertySymbol.formNode])?.method ||
''
);
}
/**
* Sets form method.
*
* @param method Method.
*/
public set formMethod(method: string) {
this.setAttribute('formmethod', method);
}
/**
* Returns validation message.
*
* @returns Validation message.
*/
public get validationMessage(): string {
return this[PropertySymbol.validationMessage];
}
/**
* Returns validity.
*
* @returns Validity.
*/
public get validity(): ValidityState {
return this[PropertySymbol.validity];
}
/**
* Returns height.
*
* @returns Height.
*/
public get height(): number {
return this[PropertySymbol.height];
}
/**
* Sets height.
*
* @param height Height.
*/
public set height(height: number) {
this[PropertySymbol.height] = height;
this.setAttribute('height', String(height));
}
/**
* Returns width.
*
* @returns Width.
*/
public get width(): number {
return this[PropertySymbol.width];
}
/**
* Sets width.
*
* @param width Width.
*/
public set width(width: number) {
this[PropertySymbol.width] = width;
this.setAttribute('width', String(width));
}
/**
* Returns size.
*
* @returns Size.
*/
public get size(): number {
const size = this.getAttribute('size');
if (size !== null) {
return parseInt(size);
}
return 20;
}
/**
* Sets size.
*
* @param size Size.
*/
public set size(size: number) {
this.setAttribute('size', String(size));
}
/**
* Returns minlength.
*
* @returns Min length.
*/
public get minLength(): number {
const minLength = this.getAttribute('minlength');
if (minLength !== null) {
return parseInt(minLength);
}
return -1;
}
/**
* Sets minlength.
*
* @param minLength Min length.
*/
public set minLength(minlength: number) {
this.setAttribute('minlength', String(minlength));
}
/**
* Returns maxlength.
*
* @returns Max length.
*/
public get maxLength(): number {
const maxLength = this.getAttribute('maxlength');
if (maxLength !== null) {
return parseInt(maxLength);
}
return -1;
}
/**
* Sets maxlength.
*
* @param maxlength Max length.
*/
public set maxLength(maxLength: number) {
this.setAttribute('maxlength', String(maxLength));
}
/**
* Returns type.
*
* @returns Type. Defaults to "text".
*/
public get type(): string {
return this.getAttribute('type') || 'text';
}
/**
* Sets type.
*
* @param type Type.
*/
public set type(type: string) {
this.setAttribute('type', type.toLowerCase());
}
/**
* Returns name.
*
* @returns Name.
*/
public get name(): string {
return this.getAttribute('name') || '';
}
/**
* Sets name.
*
* @param name Name.
*/
public set name(name: string) {
this.setAttribute('name', name);
}
/**
* Returns alt.
*
* @returns Alt.
*/
public get alt(): string {
return this.getAttribute('alt') || '';
}
/**
* Sets alt.
*
* @param alt Alt.
*/
public set alt(alt: string) {
this.setAttribute('alt', alt);
}
/**
* Returns min.
*
* @returns Min.
*/
public get min(): string {
return this.getAttribute('min') || '';
}
/**
* Sets min.
*
* @param min Min.
*/
public set min(min: string) {
this.setAttribute('min', min);
}
/**
* Returns max.
*
* @returns Max.
*/
public get max(): string {
return this.getAttribute('max') || '';
}
/**
* Sets max.
*
* @param max Max.
*/
public set max(max: string) {
this.setAttribute('max', max);
}
/**
* Returns pattern.
*
* @returns Pattern.
*/
public get pattern(): string {
return this.getAttribute('pattern') || '';
}
/**
* Sets pattern.
*
* @param pattern Pattern.
*/
public set pattern(pattern: string) {
this.setAttribute('pattern', pattern);
}
/**
* Returns placeholder.
*
* @returns Placeholder.
*/
public get placeholder(): string {
return this.getAttribute('placeholder') || '';
}
/**
* Sets placeholder.
*
* @param placeholder Placeholder.
*/
public set placeholder(placeholder: string) {
this.setAttribute('placeholder', placeholder);
}
/**
* Returns step.
*
* @returns Step.
*/
public get step(): string {
return this.getAttribute('step') || '';
}
/**
* Sets step.
*
* @param step Step.
*/
public set step(step: string) {
this.setAttribute('step', step);
}
/**
* Returns inputmode.
*
* @returns Inputmode.
*/
public get inputmode(): string {
return this.getAttribute('inputmode') || '';
}
/**
* Sets inputmode.
*
* @param inputmode Inputmode.
*/
public set inputmode(inputmode: string) {
this.setAttribute('inputmode', inputmode);
}
/**
* Returns accept.
*
* @returns Accept.
*/
public get accept(): string {
return this.getAttribute('accept') || '';
}
/**
* Sets accept.
*
* @param accept Accept.
*/
public set accept(accept: string) {
this.setAttribute('accept', accept);
}
/**
* Returns allowdirs.
*
* @returns Allowdirs.
*/
public get allowdirs(): string {
return this.getAttribute('allowdirs') || '';
}
/**
* Sets allowdirs.
*
* @param allowdirs Allowdirs.
*/
public set allowdirs(allowdirs: string) {
this.setAttribute('allowdirs', allowdirs);
}
/**
* Returns autocomplete.
*
* @returns Autocomplete.
*/
public get autocomplete(): string {
return this.getAttribute('autocomplete') || '';
}
/**
* Sets autocomplete.
*
* @param autocomplete Autocomplete.
*/
public set autocomplete(autocomplete: string) {
this.setAttribute('autocomplete', autocomplete);
}
/**
* Returns src.
*
* @returns Src.
*/
public get src(): string {
return this.getAttribute('src') || '';
}
/**
* Sets src.
*
* @param src Src.
*/
public set src(src: string) {
this.setAttribute('src', src);
}
/**
* Returns defaultValue.
*
* @returns Defaultvalue.
*/
public get defaultValue(): string {
return this.getAttribute('value') || '';
}
/**
* Sets defaultValue.
*
* @param defaultValue Defaultvalue.
*/
public set defaultValue(defaultValue: string) {
this.setAttribute('value', defaultValue);
}
/**
* Returns read only.
*
* @returns Read only.
*/
public get readOnly(): boolean {
return this.getAttribute('readonly') !== null;
}
/**
* Sets read only.
*
* @param readOnly Read only.
*/
public set readOnly(readOnly: boolean) {
if (!readOnly) {
this.removeAttribute('readonly');
} else {
this.setAttribute('readonly', '');
}
}
/**
* Returns disabled.
*
* @returns Disabled.
*/
public get disabled(): boolean {
return this.getAttribute('disabled') !== null;
}
/**
* Sets disabled.
*
* @param disabled Disabled.
*/
public set disabled(disabled: boolean) {
if (!disabled) {
this.removeAttribute('disabled');
} else {
this.setAttribute('disabled', '');
}
}
/**
* Returns autofocus.
*
* @returns Autofocus.
*/
public get autofocus(): boolean {
return this.getAttribute('autofocus') !== null;
}
/**
* Sets autofocus.
*
* @param autofocus Autofocus.
*/
public set autofocus(autofocus: boolean) {
if (!autofocus) {
this.removeAttribute('autofocus');
} else {
this.setAttribute('autofocus', '');
}
}
/**
* Returns required.
*
* @returns Required.
*/
public get required(): boolean {
return this.getAttribute('required') !== null;
}
/**
* Sets required.
*
* @param required Required.
*/
public set required(required: boolean) {
if (!required) {
this.removeAttribute('required');
} else {
this.setAttribute('required', '');
}
}
/**
* Returns indeterminate.
*
* @returns Indeterminate.
*/
public get indeterminate(): boolean {
return this.getAttribute('indeterminate') !== null;
}
/**
* Sets indeterminate.
*
* @param indeterminate Indeterminate.
*/
public set indeterminate(indeterminate: boolean) {
if (!indeterminate) {
this.removeAttribute('indeterminate');
} else {
this.setAttribute('indeterminate', '');
}
}
/**
* Returns multiple.
*
* @returns Multiple.
*/
public get multiple(): boolean {
return this.getAttribute('multiple') !== null;
}
/**
* Sets multiple.
*
* @param multiple Multiple.
*/
public set multiple(multiple: boolean) {
if (!multiple) {
this.removeAttribute('multiple');
} else {
this.setAttribute('multiple', '');
}
}
/**
* Returns checked.
*
* @returns Checked.
*/
public get checked(): boolean {
if (this[PropertySymbol.checked] !== null) {
return this[PropertySymbol.checked];
}
return this.getAttribute('checked') !== null;
}
/**
* Sets checked.
*
* @param checked Checked.
*/
public set checked(checked: boolean) {
this.#setChecked(checked);
}
/**
* Returns value.
*
* @returns Value.
*/
public get value(): string {
switch (this.type) {
case 'hidden':
case 'submit':
case 'image':
case 'reset':
case 'button':
return this.getAttribute('value') || '';
case 'checkbox':
case 'radio':
const attritube = this.getAttribute('value');
return attritube !== null ? attritube : 'on';
case 'file':
return this[PropertySymbol.files].length > 0
? '/fake/path/' + this[PropertySymbol.files][0].name
: '';
}
if (this[PropertySymbol.value] === null) {
return this.getAttribute('value') || '';
}
return this[PropertySymbol.value];
}
/**
* Sets value.
*
* @param value Value.
*/
public set value(value: string) {
// The value maybe not string, so we need to convert it to string
value = String(value);
switch (this.type) {
case 'hidden':
case 'submit':
case 'image':
case 'reset':
case 'button':
case 'checkbox':
case 'radio':
this.setAttribute('value', value);
break;
case 'file':
if (value !== '') {
throw new DOMException(
'Input elements of type "file" may only programmatically set the value to empty string.',
DOMExceptionNameEnum.invalidStateError
);
}
break;
default:
const oldValue = this.value;
this[PropertySymbol.value] = HTMLInputElementValueSanitizer.sanitize(this, value);
if (oldValue !== this[PropertySymbol.value]) {
this.#selectionStart = this[PropertySymbol.value].length;
this.#selectionEnd = this[PropertySymbol.value].length;
this.#selectionDirection = HTMLInputElementSelectionDirectionEnum.none;
}
break;
}
}
/**
* Returns selection start.
*
* @returns Selection start.
*/
public get selectionStart(): number {
if (!this.#isSelectionSupported()) {
return null;
}
if (this.#selectionStart === null) {
return this.value.length;
}
return this.#selectionStart;
}
/**
* Sets selection start.
*
* @param start Start.
*/
public set selectionStart(start: number) {
if (!this.#isSelectionSupported()) {
throw new DOMException(
`The input element's type (${this.type}) does not support selection.`,
DOMExceptionNameEnum.invalidStateError
);
}
this.setSelectionRange(start, Math.max(start, this.selectionEnd), this.#selectionDirection);
}
/**
* Returns selection end.
*
* @returns Selection end.
*/
public get selectionEnd(): number {
if (!this.#isSelectionSupported()) {
return null;
}
if (this.#selectionEnd === null) {
return this.value.length;
}
return this.#selectionEnd;
}
/**
* Sets selection end.
*
* @param end End.
*/
public set selectionEnd(end: number) {
if (!this.#isSelectionSupported()) {
throw new DOMException(
`The input element's type (${this.type}) does not support selection.`,
DOMExceptionNameEnum.invalidStateError
);
}
this.setSelectionRange(this.selectionStart, end, this.#selectionDirection);
}
/**
* Returns selection direction.
*
* @returns Selection direction.
*/
public get selectionDirection(): string {
if (!this.#isSelectionSupported()) {
return null;
}
return this.#selectionDirection;
}
/**
* Sets selection direction.
*
* @param direction Direction.
*/
public set selectionDirection(direction: string) {
if (!this.#isSelectionSupported()) {
throw new DOMException(
`The input element's type (${this.type}) does not support selection.`,
DOMExceptionNameEnum.invalidStateError
);
}
this.setSelectionRange(this.#selectionStart, this.#selectionEnd, direction);
}
/**
* Returns no validate.
*
* @returns No validate.
*/
public get formNoValidate(): boolean {
return this.getAttribute('formnovalidate') !== null;
}
/**
* Sets no validate.
*
* @param formNoValidate No validate.
*/
public set formNoValidate(formNoValidate: boolean) {
if (!formNoValidate) {
this.removeAttribute('formnovalidate');
} else {
this.setAttribute('formnovalidate', '');
}
}
/**
* Returns the parent form element.
*
* @returns Form.
*/
public get form(): IHTMLFormElement {
return this[PropertySymbol.formNode];
}
/**
* Returns "true" if it will validate.
*
* @returns "true" if it will validate.
*/
public get willValidate(): boolean {
return (
this.type !== 'hidden' &&
this.type !== 'reset' &&
this.type !== 'button' &&
!this.disabled &&
!this['readOnly']
);
}
/**
* Returns value as Date.
*
* @returns Date.
*/
public get valueAsDate(): Date {
switch (this.type) {
case 'date':
case 'month':
return isNaN(new Date(String(this.value)).getTime()) ? null : new Date(this.value);
case 'week': {
const d = HTMLInputElementDateUtility.isoWeekDate(this.value);
return isNaN(d.getTime()) ? null : d;
}
case 'time': {
const d = new Date(`1970-01-01T${this.value}Z`);
return isNaN(d.getTime()) ? null : d;
}
default:
return null;
}
}
/**
* Sets value from a Date.
*
* @param value Date.
*/
public set valueAsDate(value: Date | null) {
// Specs at https://html.spec.whatwg.org/multipage/input.html#dom-input-valueasdate
if (!['date', 'month', 'time', 'week'].includes(this.type)) {
throw new DOMException(
"Failed to set the 'valueAsDate' property on 'HTMLInputElement': This input element does not support Date values.",
DOMExceptionNameEnum.invalidStateError
);
}
if (typeof value !== 'object') {
throw new TypeError(
"Failed to set the 'valueAsDate' property on 'HTMLInputElement': Failed to convert value to 'object'."
);
} else if (value && !(value instanceof Date)) {
throw new TypeError(
"Failed to set the 'valueAsDate' property on 'HTMLInputElement': The provided value is not a Date."
);
} else if (value === null || isNaN(value.getTime())) {
this.value = '';
return;
}
switch (this.type) {
case 'date':
this.value = value.toISOString().split('T')[0];
break;
case 'month':
this.value = value.toISOString().split('T')[0].slice(0, -3);
break;
case 'time':
this.value = value.toISOString().split('T')[1].slice(0, 5);
break;
case 'week':
this.value = HTMLInputElementDateUtility.dateIsoWeek(value);
break;
}
}
/**
* Returns value as number.
*
* @returns Number.
*/
public get valueAsNumber(): number {
const value = this.value;
if (!this.type.match(/^(range|number|date|datetime-local|month|time|week)$/) || !value) {
return NaN;
}
switch (this.type) {
case 'number':
return parseFloat(value);
case 'range': {
const number = parseFloat(value);
const min = parseFloat(this.min) || 0;
const max = parseFloat(this.max) || 100;
if (isNaN(number)) {
return max < min ? min : (min + max) / 2;
} else if (number < min) {
return min;
} else if (number > max) {
return max;
}
return number;
}
case 'date':
return new Date(value).getTime();
case 'datetime-local':
return new Date(value).getTime() - new Date(value).getTimezoneOffset() * 60000;
case 'month':
return (new Date(value).getUTCFullYear() - 1970) * 12 + new Date(value).getUTCMonth();
case 'time':
return (
new Date('1970-01-01T' + value).getTime() - new Date('1970-01-01T00:00:00').getTime()
);
case 'week': {
// https://html.spec.whatwg.org/multipage/input.html#week-state-(type=week)
const match = value.match(/^(\d{4})-W(\d{2})$/);
if (!match) {
return NaN;
}
const d = new Date(Date.UTC(parseInt(match[1], 10), 0));
const day = d.getUTCDay();
const diff = ((day === 0 ? -6 : 1) - day) * 86400000 + parseInt(match[2], 10) * 604800000;
return d.getTime() + diff;
}
}
}
/**
* Sets value from a number.
*
* @param value number.
*/
public set valueAsNumber(value: number) {
// Specs at https://html.spec.whatwg.org/multipage/input.html
switch (this.type) {
case 'number':
case 'range':
// We Rely on HTMLInputElementValueSanitizer
this.value = Number(value).toString();
break;
case 'date':
case 'datetime-local': {
const d = new Date(Number(value));
if (isNaN(d.getTime())) {
// Reset to default value
this.value = '';
break;
}
if (this.type == 'date') {
this.value = d.toISOString().slice(0, 10);
} else {
this.value = d.toISOString().slice(0, -1);
}
break;
}
case 'month':
if (!Number.isInteger(value) || value < 0) {
this.value = '';
} else {
this.value = new Date(Date.UTC(1970, Number(value))).toISOString().slice(0, 7);
}
break;
case 'time':
if (!Number.isInteger(value) || value < 0) {
this.value = '';
} else {
this.value = new Date(Number(value)).toISOString().slice(11, -1);
}
break;
case 'week': {
const d = new Date(Number(value));
this.value = isNaN(d.getTime()) ? '' : HTMLInputElementDateUtility.dateIsoWeek(d);
break;
}
default:
throw new DOMException(
"Failed to set the 'valueAsNumber' property on 'HTMLInputElement': This input element does not support Number values.",
DOMExceptionNameEnum.invalidStateError
);
}
}
/**
* Returns the associated label elements.
*
* @returns Label elements.
*/
public get labels(): INodeList {
return HTMLLabelElementUtility.getAssociatedLabelElements(this);
}
/**
* Sets validation message.
*
* @param message Message.
*/
public setCustomValidity(message: string): void {
this[PropertySymbol.validationMessage] = String(message);
}
/**
* Selects the text.
*/
public select(): void {
if (!this.#isSelectionSupported()) {
return null;
}
this.#selectionStart = 0;
this.#selectionEnd = this.value.length;
this.#selectionDirection = HTMLInputElementSelectionDirectionEnum.none;
this.dispatchEvent(new Event('select', { bubbles: true, cancelable: true }));
}
/**
* Set selection range.
*
* @param start Start.
* @param end End.
* @param [direction="none"] Direction.
*/
public setSelectionRange(start: number, end: number, direction = 'none'): void {
if (!this.#isSelectionSupported()) {
throw new DOMException(
`The input element's type (${this.type}) does not support selection.`,
DOMExceptionNameEnum.invalidStateError
);
}
this.#selectionEnd = Math.min(end, this.value.length);
this.#selectionStart = Math.min(start, this.#selectionEnd);
this.#selectionDirection =
direction === HTMLInputElementSelectionDirectionEnum.forward ||
direction === HTMLInputElementSelectionDirectionEnum.backward
? direction
: HTMLInputElementSelectionDirectionEnum.none;
this.dispatchEvent(new Event('select', { bubbles: true, cancelable: true }));
}
/**
* Set range text.
*
* @param replacement Replacement.
* @param [start] Start.
* @param [end] End.
* @param [direction] Direction.
* @param selectionMode
*/
public setRangeText(
replacement: string,
start: number = null,
end: number = null,
selectionMode = HTMLInputElementSelectionModeEnum.preserve
): void {
if (!this.#isSelectionSupported()) {
throw new DOMException(
`The input element's type (${this.type}) does not support selection.`,
DOMExceptionNameEnum.invalidStateError
);
}
if (start === null) {
start = this.#selectionStart;
}
if (end === null) {
end = this.#selectionEnd;
}
if (start > end) {
throw new DOMException(
'The index is not in the allowed range.',
DOMExceptionNameEnum.invalidStateError
);
}
start = Math.min(start, this.value.length);
end = Math.min(end, this.value.length);
const val = this.value;
let selectionStart = this.#selectionStart;
let selectionEnd = this.#selectionEnd;
this.value = val.slice(0, start) + replacement + val.slice(end);
const newEnd = start + this.value.length;
switch (selectionMode) {
case HTMLInputElementSelectionModeEnum.select:
this.setSelectionRange(start, newEnd);
break;
case HTMLInputElementSelectionModeEnum.start:
this.setSelectionRange(start, start);
break;
case HTMLInputElementSelectionModeEnum.end:
this.setSelectionRange(newEnd, newEnd);
break;
default:
const delta = replacement.length - (end - start);
if (selectionStart > end) {
selectionStart += delta;
} else if (selectionStart > start) {
selectionStart = start;
}
if (selectionEnd > end) {
selectionEnd += delta;
} else if (selectionEnd > start) {
selectionEnd = newEnd;
}
this.setSelectionRange(selectionStart, selectionEnd);
break;
}
}
/**
* Checks validity.
*
* @returns "true" if the field is valid.
*/
public checkValidity(): boolean {
const valid =
this.disabled ||
this.readOnly ||
this.type === 'hidden' ||
this.type === 'reset' ||
this.type === 'button' ||
this[PropertySymbol.validity].valid;
if (!valid) {
this.dispatchEvent(new Event('invalid', { bubbles: true, cancelable: true }));
}
return valid;
}
/**
* Reports validity.
*
* @returns "true" if the field is valid.
*/
public reportValidity(): boolean {
return this.checkValidity();
}
/**
* Steps up.
*
* @param [increment] Increment.
*/
public stepUp(increment?: number): void {
const newValue = HTMLInputElementValueStepping.step(this.type, this.value, 1, increment);
if (newValue !== null) {
this.value = newValue;
}
}
/**
* Steps down.
*
* @param [increment] Increment.
*/
public stepDown(increment?: number): void {
const newValue = HTMLInputElementValueStepping.step(this.type, this.value, -1, increment);
if (newValue !== null) {
this.value = newValue;
}
}
/**
* Clones a node.
*
* @override
* @param [deep=false] "true" to clone deep.
* @returns Cloned node.
*/
public cloneNode(deep = false): IHTMLInputElement {
const clone = super.cloneNode(deep);
clone.formAction = this.formAction;
clone.formMethod = this.formMethod;
clone[PropertySymbol.value] = this[PropertySymbol.value];
clone[PropertySymbol.height] = this[PropertySymbol.height];
clone[PropertySymbol.width] = this[PropertySymbol.width];
clone[PropertySymbol.defaultChecked] = this[PropertySymbol.defaultChecked];
clone[PropertySymbol.files] = this[PropertySymbol.files].slice();
clone.#selectionStart = this.#selectionStart;
clone.#selectionEnd = this.#selectionEnd;
clone.#selectionDirection = this.#selectionDirection;
return clone;
}
/**
* @override
*/
public override dispatchEvent(event: Event): boolean {
// Do nothing if the input element is disabled and the event is a click event.
if (event.type === 'click' && event.eventPhase === EventPhaseEnum.none && this.disabled) {
return false;
}
let previousCheckedValue: boolean | null = null;
// The checkbox or radio button has to be checked before the click event is dispatched, so that event listeners can check the checked value.
// However, the value has to be restored if preventDefault() is called on the click event.
if (
(event.eventPhase === EventPhaseEnum.atTarget ||
event.eventPhase === EventPhaseEnum.bubbling) &&
event.type === 'click'
) {
const inputType = this.type;
if (inputType === 'checkbox' || inputType === 'radio') {
previousCheckedValue = this.checked;
this.#setChecked(inputType === 'checkbox' ? !previousCheckedValue : true);
}
}
const returnValue = super.dispatchEvent(event);
if (
!event.defaultPrevented &&
(event.eventPhase === EventPhaseEnum.atTarget ||
event.eventPhase === EventPhaseEnum.bubbling) &&
event.type === 'click' &&
this[PropertySymbol.isConnected]
) {
const inputType = this.type;
if (!this.readOnly || inputType === 'checkbox' || inputType === 'radio') {
if (inputType === 'checkbox' || inputType === 'radio') {
this.dispatchEvent(new Event('input', { bubbles: true, cancelable: true }));
this.dispatchEvent(new Event('change', { bubbles: true, cancelable: true }));
} else if (inputType === 'submit') {
const form = this[PropertySymbol.formNode];
if (form) {
form.requestSubmit(this);
}
} else if (inputType === 'reset' && this[PropertySymbol.isConnected]) {
const form = this[PropertySymbol.formNode];
if (form) {
form.reset();
}
}
}
}
// Restore checked state if preventDefault() is triggered on the click event.
if (
event.defaultPrevented &&
(event.eventPhase === EventPhaseEnum.atTarget ||
event.eventPhase === EventPhaseEnum.bubbling) &&
event.type === 'click' &&
previousCheckedValue !== null
) {
const inputType = this.type;
if (inputType === 'checkbox' || inputType === 'radio') {
this.#setChecked(previousCheckedValue);
}
}
return returnValue;
}
/**
* @override
*/
public override [PropertySymbol.connectToNode](parentNode: INode = null): void {
const oldFormNode = this[PropertySymbol.formNode];
super[PropertySymbol.connectToNode](parentNode);
if (oldFormNode !== this[PropertySymbol.formNode]) {
if (oldFormNode) {
oldFormNode[PropertySymbol.removeFormControlItem](this, this.name);
oldFormNode[PropertySymbol.removeFormControlItem](this, this.id);
}
if (this[PropertySymbol.formNode]) {
(this[PropertySymbol.formNode])[PropertySymbol.appendFormControlItem](
this,
this.name
);
(this[PropertySymbol.formNode])[PropertySymbol.appendFormControlItem](
this,
this.id
);
}
}
}
/**
* Checks is selection is supported.
*
* @returns "true" if selection is supported.
*/
#isSelectionSupported(): boolean {
const inputType = this.type;
return (
inputType === 'text' ||
inputType === 'search' ||
inputType === 'url' ||
inputType === 'tel' ||
inputType === 'password'
);
}
/**
* Sets checked value.
*
* @param checked Checked.
*/
#setChecked(checked: boolean): void {
this[PropertySymbol.checked] = checked;
if (checked && this.type === 'radio' && this.name) {
const root = (
(this[PropertySymbol.formNode] || this.getRootNode())
);
const radioButtons = root.querySelectorAll(`input[type="radio"][name="${this.name}"]`);
for (const radioButton of radioButtons) {
if (radioButton !== this) {
radioButton[PropertySymbol.checked] = false;
}
}
}
}
}