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CrescentLeaf
242
mdui_patched/components/switch/index.js
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242
mdui_patched/components/switch/index.js
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import { __decorate } from "tslib";
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import { html } from 'lit';
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import { customElement, property, state } from 'lit/decorators.js';
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import { classMap } from 'lit/directives/class-map.js';
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import { ifDefined } from 'lit/directives/if-defined.js';
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import { live } from 'lit/directives/live.js';
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import { createRef, ref } from 'lit/directives/ref.js';
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import { MduiElement } from '@mdui/shared/base/mdui-element.js';
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import { FormController, formResets } from '@mdui/shared/controllers/form.js';
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import { HasSlotController } from '@mdui/shared/controllers/has-slot.js';
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import { defaultValue } from '@mdui/shared/decorators/default-value.js';
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import { watch } from '@mdui/shared/decorators/watch.js';
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import { booleanConverter } from '@mdui/shared/helpers/decorator.js';
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import { nothingTemplate } from '@mdui/shared/helpers/template.js';
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import '@mdui/shared/icons/check.js';
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import { componentStyle } from '@mdui/shared/lit-styles/component-style.js';
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import { FocusableMixin } from '@mdui/shared/mixins/focusable.js';
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import '../icon.js';
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import { RippleMixin } from '../ripple/ripple-mixin.js';
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import { style } from './style.js';
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/**
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* @summary 开关切换组件
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*
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* ```html
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* <mdui-switch></mdui-switch>
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* ```
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*
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* @event focus - 获得焦点时触发
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* @event blur - 失去焦点时触发
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* @event change - 选中状态变更时触发
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* @event input - 选中状态变更时触发
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* @event invalid - 表单字段验证不通过时触发
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*
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* @slot unchecked-icon - 未选中状态的元素
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* @slot checked-icon - 选中状态的元素
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*
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* @csspart track - 轨道
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* @csspart thumb - 图标容器
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* @csspart unchecked-icon - 未选中状态的图标
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* @csspart checked-icon 选中状态的图标
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*
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* @cssprop --shape-corner - 组件轨道的圆角大小。可以指定一个具体的像素值；但更推荐引用[设计令牌](/docs/2/styles/design-tokens#shape-corner)
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* @cssprop --shape-corner-thumb - 组件图标容器的圆角大小。可以指定一个具体的像素值；但更推荐引用[设计令牌](/docs/2/styles/design-tokens#shape-corner)
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*/
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let Switch = class Switch extends RippleMixin(FocusableMixin(MduiElement)) {
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constructor() {
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super(...arguments);
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/**
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* 是否为禁用状态
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*/
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this.disabled = false;
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/**
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* 是否为选中状态
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*/
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this.checked = false;
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/**
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* 默认选中状态。在重置表单时，将重置为此状态。此属性只能通过 JavaScript 属性设置
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*/
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this.defaultChecked = false;
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/**
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* 提交表单时，是否必须选中此开关
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*/
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this.required = false;
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/**
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* 开关的名称，将与表单数据一起提交
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*/
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this.name = '';
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/**
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* 开关的值，将于表单数据一起提交
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*/
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this.value = 'on';
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/**
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* 是否验证未通过
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*/
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this.invalid = false;
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this.rippleRef = createRef();
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this.inputRef = createRef();
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this.formController = new FormController(this, {
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value: (control) => (control.checked ? control.value : undefined),
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defaultValue: (control) => control.defaultChecked,
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setValue: (control, checked) => (control.checked = checked),
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});
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this.hasSlotController = new HasSlotController(this, 'unchecked-icon');
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}
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/**
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* 表单验证状态对象，具体参见 [`ValidityState`](https://developer.mozilla.org/zh-CN/docs/Web/API/ValidityState)
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*/
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get validity() {
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return this.inputRef.value.validity;
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}
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/**
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* 如果表单验证未通过，此属性将包含提示信息。如果验证通过，此属性将为空字符串
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*/
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get validationMessage() {
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return this.inputRef.value.validationMessage;
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}
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get rippleElement() {
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return this.rippleRef.value;
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}
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get rippleDisabled() {
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return this.disabled;
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}
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get focusElement() {
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return this.inputRef.value;
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}
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get focusDisabled() {
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return this.disabled;
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}
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async onDisabledChange() {
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await this.updateComplete;
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this.invalid = !this.inputRef.value.checkValidity();
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}
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async onCheckedChange() {
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await this.updateComplete;
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// reset 引起的值变更，不执行验证；直接修改值引起的变更，需要进行验证
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const form = this.formController.getForm();
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if (form && formResets.get(form)?.has(this)) {
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this.invalid = false;
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formResets.get(form).delete(this);
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}
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else {
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this.invalid = !this.inputRef.value.checkValidity();
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}
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}
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/**
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* 检查表单字段是否通过验证。如果未通过，返回 `false` 并触发 `invalid` 事件；如果通过，返回 `true`
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*/
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checkValidity() {
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const valid = this.inputRef.value.checkValidity();
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if (!valid) {
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this.emit('invalid', {
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bubbles: false,
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cancelable: true,
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composed: false,
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});
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}
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return valid;
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}
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/**
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* 检查表单字段是否通过验证。如果未通过，返回 `false` 并触发 `invalid` 事件；如果通过，返回 `true`。
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*
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* 如果验证未通过，还会在组件上显示验证失败的提示。
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*/
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reportValidity() {
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this.invalid = !this.inputRef.value.reportValidity();
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if (this.invalid) {
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const eventProceeded = this.emit('invalid', {
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bubbles: false,
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cancelable: true,
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composed: false,
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});
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// 调用了 preventDefault() 时，隐藏默认的表单错误提示
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if (!eventProceeded) {
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this.blur();
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this.focus();
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}
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}
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return !this.invalid;
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}
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/**
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* 设置自定义的错误提示文本。只要这个文本不为空，就表示字段未通过验证
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*
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* @param message 自定义的错误提示文本
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*/
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setCustomValidity(message) {
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this.inputRef.value.setCustomValidity(message);
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this.invalid = !this.inputRef.value.checkValidity();
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}
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render() {
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return html `<label class="${classMap({
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invalid: this.invalid,
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'has-unchecked-icon': this.uncheckedIcon || this.hasSlotController.test('unchecked-icon'),
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})}"><input ${ref(this.inputRef)} type="checkbox" name="${ifDefined(this.name)}" value="${ifDefined(this.value)}" .disabled="${this.disabled}" .checked="${live(this.checked)}" .required="${this.required}" @change="${this.onChange}"><div part="track" class="track"><div part="thumb" class="thumb"><mdui-ripple ${ref(this.rippleRef)} .noRipple="${this.noRipple}"></mdui-ripple><slot name="checked-icon" part="checked-icon" class="checked-icon">${this.checkedIcon
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? html `<mdui-icon name="${this.checkedIcon}" class="i"></mdui-icon>`
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: this.checkedIcon === ''
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? nothingTemplate
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: html `<mdui-icon-check class="i"></mdui-icon-check>`}</slot><slot name="unchecked-icon" part="unchecked-icon" class="unchecked-icon">${this.uncheckedIcon
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? html `<mdui-icon name="${this.uncheckedIcon}" class="i"></mdui-icon>`
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: nothingTemplate}</slot></div></div></label>`;
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}
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/**
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* input[type="checkbox"] 的 change 事件无法冒泡越过 shadow dom
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*/
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onChange() {
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this.checked = this.inputRef.value.checked;
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this.emit('change');
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}
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};
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Switch.styles = [componentStyle, style];
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__decorate([
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property({
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type: Boolean,
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reflect: true,
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converter: booleanConverter,
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})
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], Switch.prototype, "disabled", void 0);
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__decorate([
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property({
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type: Boolean,
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reflect: true,
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converter: booleanConverter,
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})
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], Switch.prototype, "checked", void 0);
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__decorate([
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defaultValue('checked')
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], Switch.prototype, "defaultChecked", void 0);
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__decorate([
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property({ reflect: true, attribute: 'unchecked-icon' })
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], Switch.prototype, "uncheckedIcon", void 0);
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__decorate([
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property({ reflect: true, attribute: 'checked-icon' })
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], Switch.prototype, "checkedIcon", void 0);
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__decorate([
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property({
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type: Boolean,
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reflect: true,
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converter: booleanConverter,
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})
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], Switch.prototype, "required", void 0);
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__decorate([
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property({ reflect: true })
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], Switch.prototype, "form", void 0);
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__decorate([
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property({ reflect: true })
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], Switch.prototype, "name", void 0);
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__decorate([
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property({ reflect: true })
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], Switch.prototype, "value", void 0);
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__decorate([
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state()
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], Switch.prototype, "invalid", void 0);
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__decorate([
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watch('disabled', true),
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watch('required', true)
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], Switch.prototype, "onDisabledChange", null);
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__decorate([
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watch('checked', true)
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], Switch.prototype, "onCheckedChange", null);
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Switch = __decorate([
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customElement('mdui-switch')
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], Switch);
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export { Switch };
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