fix: 本地 patch MDUI 以解决 tabindex = 0 导致的一系列玄学问题
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CrescentLeaf
209
client/mdui_patched/components/button/button-base.js
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209
client/mdui_patched/components/button/button-base.js
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import { __decorate } from "tslib";
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import { html } from 'lit';
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import { property } from 'lit/decorators.js';
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import { ifDefined } from 'lit/directives/if-defined.js';
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import cc from 'classcat';
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import { MduiElement } from '@mdui/shared/base/mdui-element.js';
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import { FormController } from '@mdui/shared/controllers/form.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 { componentStyle } from '@mdui/shared/lit-styles/component-style.js';
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import { AnchorMixin } from '@mdui/shared/mixins/anchor.js';
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import { FocusableMixin } from '@mdui/shared/mixins/focusable.js';
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import '../circular-progress.js';
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import { RippleMixin } from '../ripple/ripple-mixin.js';
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import { buttonBaseStyle } from './button-base-style.js';
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export class ButtonBase extends AnchorMixin(RippleMixin(FocusableMixin(MduiElement))) {
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constructor() {
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super(...arguments);
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/**
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* 是否禁用
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*/
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this.disabled = false;
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/**
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* 是否处于加载中状态
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*/
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this.loading = false;
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/**
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* 按钮的名称，将与表单数据一起提交。
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*
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* **Note**：仅在未设置 `href` 属性时，此属性才有效。
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*/
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this.name = '';
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/**
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* 按钮的初始值，将与表单数据一起提交。
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*
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* **Note**：仅在未设置 `href` 属性时，此属性才有效。
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*/
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this.value = '';
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/**
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* 按钮的类型。默认类型为 `button`。可选类型包括：
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*
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* * `submit`：点击按钮会提交表单数据到服务器
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* * `reset`：点击按钮会将表单中的所有字段重置为初始值
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* * `button`：此类型的按钮没有默认行为
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*
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* **Note**：仅在未指定 `href` 属性时，此属性才有效。
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*/
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this.type = 'button';
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/**
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* 如果设置了此属性，表单提交时将不执行表单验证。
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*
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* 如果设置了此属性，将覆盖 `<form>` 元素的 `novalidate` 属性。
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*
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* **Note**：仅在未设置 `href` 属性且 `type="submit"` 时，此属性才有效。
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*/
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this.formNoValidate = false;
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this.formController = new FormController(this);
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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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if (this.isButton()) {
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return this.focusElement.validity;
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}
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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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if (this.isButton()) {
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return this.focusElement.validationMessage;
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}
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}
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get rippleDisabled() {
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return this.disabled || this.loading;
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}
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get focusElement() {
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return this.isButton()
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? this.renderRoot?.querySelector('._button')
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: !this.focusDisabled
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? this.renderRoot?.querySelector('._a')
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: this;
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}
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get focusDisabled() {
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return this.disabled || this.loading;
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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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if (this.isButton()) {
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const valid = this.focusElement.checkValidity();
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if (!valid) {
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// @ts-ignore
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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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return true;
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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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if (this.isButton()) {
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const invalid = !this.focusElement.reportValidity();
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if (invalid) {
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// @ts-ignore
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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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// todo 考虑是否要支持 preventDefault() 方法，当前 invalid 状态没有样式
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}
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return !invalid;
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}
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return true;
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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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if (this.isButton()) {
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this.focusElement.setCustomValidity(message);
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}
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}
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firstUpdated(_changedProperties) {
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super.firstUpdated(_changedProperties);
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this.addEventListener('click', () => {
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if (this.type === 'submit') {
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this.formController.submit(this);
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}
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if (this.type === 'reset') {
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this.formController.reset(this);
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}
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});
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}
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renderLoading() {
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return this.loading
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? html `<mdui-circular-progress part="loading"></mdui-circular-progress>`
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: nothingTemplate;
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}
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renderButton({ id, className, part, content = html `<slot></slot>`, }) {
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return html `<button id="${ifDefined(id)}" class="${cc(['_button', className])}" part="${ifDefined(part)}" ?disabled="${this.rippleDisabled || this.focusDisabled}">${content}</button>`;
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}
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isButton() {
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return !this.href;
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}
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}
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ButtonBase.styles = [
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componentStyle,
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buttonBaseStyle,
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];
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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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], ButtonBase.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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], ButtonBase.prototype, "loading", void 0);
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__decorate([
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property({ reflect: true })
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], ButtonBase.prototype, "name", void 0);
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__decorate([
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property({ reflect: true })
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], ButtonBase.prototype, "value", void 0);
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__decorate([
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property({ reflect: true })
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], ButtonBase.prototype, "type", void 0);
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__decorate([
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property({ reflect: true })
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], ButtonBase.prototype, "form", void 0);
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__decorate([
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property({ reflect: true, attribute: 'formaction' })
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], ButtonBase.prototype, "formAction", void 0);
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__decorate([
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property({ reflect: true, attribute: 'formenctype' })
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], ButtonBase.prototype, "formEnctype", void 0);
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__decorate([
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property({ reflect: true, attribute: 'formmethod' })
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], ButtonBase.prototype, "formMethod", 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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attribute: 'formnovalidate',
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})
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], ButtonBase.prototype, "formNoValidate", void 0);
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__decorate([
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property({ reflect: true, attribute: 'formtarget' })
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], ButtonBase.prototype, "formTarget", void 0);
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