kopia lustrzana https://github.com/shoelace-style/shoelace
384 wiersze
12 KiB
TypeScript
384 wiersze
12 KiB
TypeScript
import { LitElement, html, internalProperty, property, query, unsafeCSS } from 'lit-element';
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import { ifDefined } from 'lit-html/directives/if-defined';
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import { classMap } from 'lit-html/directives/class-map';
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import { event, EventEmitter, tag, watch } from '../../internal/decorators';
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import styles from 'sass:./input.scss';
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import { renderFormControl } from '../../internal/form-control';
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import { hasSlot } from '../../internal/slot';
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let id = 0;
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/**
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* @since 2.0
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* @status stable
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*
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* @dependency sl-icon
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*
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* @slot label - The input's label. Alternatively, you can use the label prop.
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* @slot prefix - Used to prepend an icon or similar element to the input.
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* @slot suffix - Used to append an icon or similar element to the input.
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* @slot clear-icon - An icon to use in lieu of the default clear icon.
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* @slot show-password-icon - An icon to use in lieu of the default show password icon.
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* @slot hide-password-icon - An icon to use in lieu of the default hide password icon.
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* @slot help-text - Help text that describes how to use the input. Alternatively, you can use the help-text prop.
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*
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* @part base - The component's base wrapper.
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* @part form-control - The form control that wraps the label, input, and help-text.
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* @part label - The input label.
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* @part input - The input control.
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* @part prefix - The input prefix container.
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* @part clear-button - The clear button.
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* @part password-toggle-button - The password toggle button.
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* @part suffix - The input suffix container.
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* @part help-text - The input help text.
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*/
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@tag('sl-input')
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export default class SlInput extends LitElement {
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static styles = unsafeCSS(styles);
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@query('.input__control') input: HTMLInputElement;
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private helpTextId = `input-help-text-${id}`;
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private inputId = `input-${++id}`;
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private labelId = `input-label-${id}`;
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@internalProperty() private hasFocus = false;
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@internalProperty() private hasHelpTextSlot = false;
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@internalProperty() private hasLabelSlot = false;
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@internalProperty() private isPasswordVisible = false;
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/** The input's type. */
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@property({ reflect: true }) type: 'email' | 'number' | 'password' | 'search' | 'tel' | 'text' | 'url' = 'text';
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/** The input's size. */
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@property({ reflect: true }) size: 'small' | 'medium' | 'large' = 'medium';
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/** The input's name attribute. */
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@property() name: string;
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/** The input's value attribute. */
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@property() value = '';
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/** Draws a pill-style input with rounded edges. */
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@property({ type: Boolean, reflect: true }) pill = false;
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/** The input's label. Alternatively, you can use the label slot. */
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@property() label: string;
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/** The input's help text. Alternatively, you can use the help-text slot. */
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@property({ attribute: 'help-text' }) helpText: string;
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/** Adds a clear button when the input is populated. */
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@property({ type: Boolean }) clearable = false;
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/** Adds a password toggle button to password inputs. */
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@property({ attribute: 'toggle-password', type: Boolean }) togglePassword = false;
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/** The input's placeholder text. */
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@property() placeholder = '';
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/** Disables the input. */
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@property({ type: Boolean, reflect: true }) disabled = false;
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/** Makes the input readonly. */
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@property({ type: Boolean, reflect: true }) readonly = false;
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/** The minimum length of input that will be considered valid. */
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@property({ type: Number }) minlength: number;
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/** The maximum length of input that will be considered valid. */
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@property({ type: Number }) maxlength: number;
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/** The input's minimum value. */
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@property() min: number | string;
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/** The input's maximum value. */
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@property() max: number | string;
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/** The input's step attribute. */
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@property({ type: Number }) step: number;
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/** A pattern to validate input against. */
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@property() pattern: string;
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/** Makes the input a required field. */
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@property({ type: Boolean, reflect: true }) required = false;
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/**
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* This will be true when the control is in an invalid state. Validity is determined by props such as `type`,
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* `required`, `minlength`, `maxlength`, and `pattern` using the browser's constraint validation API.
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*/
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@property({ type: Boolean, reflect: true }) invalid = false;
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/** The input's autocaptialize attribute. */
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@property() autocapitalize: string;
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/** The input's autocorrect attribute. */
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@property() autocorrect: string;
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/** The input's autocomplete attribute. */
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@property() autocomplete: string;
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/** The input's autofocus attribute. */
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@property({ type: Boolean }) autofocus: boolean;
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/** Enables spell checking on the input. */
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@property({ type: Boolean }) spellcheck: boolean;
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/** The input's inputmode attribute. */
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@property() inputmode: 'none' | 'text' | 'decimal' | 'numeric' | 'tel' | 'search' | 'email' | 'url';
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/** Emitted when the control's value changes. */
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@event('sl-change') slChange: EventEmitter<void>;
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/** Emitted when the clear button is activated. */
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@event('sl-clear') slClear: EventEmitter<void>;
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/** Emitted when the control receives input. */
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@event('sl-input') slInput: EventEmitter<void>;
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/** Emitted when the control gains focus. */
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@event('sl-focus') slFocus: EventEmitter<void>;
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/** Emitted when the control loses focus. */
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@event('sl-blur') slBlur: EventEmitter<void>;
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connectedCallback() {
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super.connectedCallback();
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this.handleSlotChange = this.handleSlotChange.bind(this);
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this.shadowRoot!.addEventListener('slotchange', this.handleSlotChange);
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}
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firstUpdated() {
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this.handleSlotChange();
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}
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disconnectedCallback() {
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super.disconnectedCallback();
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this.shadowRoot!.removeEventListener('slotchange', this.handleSlotChange);
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}
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/** Sets focus on the input. */
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setFocus(options?: FocusOptions) {
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this.input.focus(options);
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}
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/** Removes focus from the input. */
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removeFocus() {
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this.input.blur();
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}
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/** Selects all the text in the input. */
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select() {
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return this.input.select();
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}
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/** Sets the start and end positions of the text selection (0-based). */
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setSelectionRange(
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selectionStart: number,
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selectionEnd: number,
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selectionDirection: 'forward' | 'backward' | 'none' = 'none'
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) {
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return this.input.setSelectionRange(selectionStart, selectionEnd, selectionDirection);
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}
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/** Replaces a range of text with a new string. */
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setRangeText(
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replacement: string,
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start: number,
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end: number,
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selectMode: 'select' | 'start' | 'end' | 'preserve' = 'preserve'
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) {
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this.input.setRangeText(replacement, start, end, selectMode);
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if (this.value !== this.input.value) {
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this.value = this.input.value;
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this.slInput.emit();
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this.slChange.emit();
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}
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}
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/** Checks for validity and shows the browser's validation message if the control is invalid. */
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reportValidity() {
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return this.input.reportValidity();
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}
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/** Sets a custom validation message. If `message` is not empty, the field will be considered invalid. */
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setCustomValidity(message: string) {
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this.input.setCustomValidity(message);
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this.invalid = !this.input.checkValidity();
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}
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handleChange() {
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this.value = this.input.value;
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this.slChange.emit();
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}
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handleInput() {
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this.value = this.input.value;
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this.slInput.emit();
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}
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handleInvalid() {
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this.invalid = true;
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}
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handleBlur() {
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this.hasFocus = false;
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this.slBlur.emit();
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}
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handleFocus() {
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this.hasFocus = true;
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this.slFocus.emit();
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}
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handleClearClick(event: MouseEvent) {
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this.value = '';
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this.slClear.emit();
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this.slInput.emit();
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this.slChange.emit();
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this.input.focus();
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event.stopPropagation();
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}
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handlePasswordToggle() {
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this.isPasswordVisible = !this.isPasswordVisible;
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}
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@watch('helpText')
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@watch('label')
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handleSlotChange() {
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this.hasHelpTextSlot = hasSlot(this, 'help-text');
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this.hasLabelSlot = hasSlot(this, 'label');
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}
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@watch('value')
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handleValueChange() {
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this.invalid = !this.input.checkValidity();
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}
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render() {
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return renderFormControl(
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{
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inputId: this.inputId,
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label: this.label,
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labelId: this.labelId,
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hasLabelSlot: this.hasLabelSlot,
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helpTextId: this.helpTextId,
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helpText: this.helpText,
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hasHelpTextSlot: this.hasHelpTextSlot,
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size: this.size
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},
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html`
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<div
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part="base"
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class=${classMap({
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input: true,
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// Sizes
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'input--small': this.size === 'small',
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'input--medium': this.size === 'medium',
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'input--large': this.size === 'large',
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// States
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'input--pill': this.pill,
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'input--disabled': this.disabled,
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'input--focused': this.hasFocus,
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'input--empty': this.value.length === 0,
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'input--invalid': this.invalid
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})}
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>
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<span part="prefix" class="input__prefix">
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<slot name="prefix"></slot>
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</span>
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<input
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part="input"
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id=${this.inputId}
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class="input__control"
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type=${this.type === 'password' && this.isPasswordVisible ? 'text' : this.type}
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name=${ifDefined(this.name)}
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.value=${this.value}
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?disabled=${this.disabled}
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?readonly=${this.readonly}
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?required=${this.required}
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placeholder=${ifDefined(this.placeholder)}
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minlength=${ifDefined(this.minlength)}
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maxlength=${ifDefined(this.maxlength)}
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min=${ifDefined(this.min)}
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max=${ifDefined(this.max)}
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step=${ifDefined(this.step)}
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autocapitalize=${ifDefined(this.autocapitalize)}
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autocomplete=${ifDefined(this.autocomplete)}
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autocorrect=${ifDefined(this.autocorrect)}
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autofocus=${ifDefined(this.autofocus)}
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spellcheck=${ifDefined(this.spellcheck)}
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pattern=${ifDefined(this.pattern)}
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inputmode=${ifDefined(this.inputmode)}
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aria-labelledby=${this.labelId}
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aria-describedby=${this.helpTextId}
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aria-invalid=${this.invalid ? 'true' : 'false'}
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@change=${this.handleChange}
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@input=${this.handleInput}
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@invalid=${this.handleInvalid}
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@focus=${this.handleFocus}
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@blur=${this.handleBlur}
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/>
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${this.clearable && this.value.length > 0
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? html`
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<button
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part="clear-button"
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class="input__clear"
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type="button"
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@click=${this.handleClearClick}
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tabindex="-1"
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>
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<slot name="clear-icon">
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<sl-icon name="x-circle"></sl-icon>
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</slot>
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</button>
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`
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: ''}
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${this.togglePassword
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? html`
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<button
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part="password-toggle-button"
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class="input__password-toggle"
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type="button"
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@click=${this.handlePasswordToggle}
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tabindex="-1"
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>
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${this.isPasswordVisible
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? html`
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<slot name="show-password-icon">
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<sl-icon name="eye-slash"></sl-icon>
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</slot>
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`
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: html`
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<slot name="hide-password-icon">
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${' '}
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<sl-icon name="eye"></sl-icon>
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</slot>
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`}
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</button>
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`
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: ''}
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<span part="suffix" class="input__suffix">
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<slot name="suffix"></slot>
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</span>
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</div>
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`
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);
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}
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}
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declare global {
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interface HTMLElementTagNameMap {
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'sl-input': SlInput;
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}
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} |