/
component.ts
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/
component.ts
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/**
* @license
* Copyright 2018 Google Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
import {MDCComponent} from '@material/base/component';
import {MDCSelectHelperTextAdapter} from './adapter';
import {MDCSelectHelperTextFoundation} from './foundation';
/** MDC Select Helper Text Factory */
export type MDCSelectHelperTextFactory =
(el: HTMLElement, foundation?: MDCSelectHelperTextFoundation) =>
MDCSelectHelperText;
/** MDC Select Helper Text */
export class MDCSelectHelperText extends
MDCComponent<MDCSelectHelperTextFoundation> {
static override attachTo(root: HTMLElement): MDCSelectHelperText {
return new MDCSelectHelperText(root);
}
// Provided for access by MDCSelect component
get foundationForSelect(): MDCSelectHelperTextFoundation {
return this.foundation;
}
override getDefaultFoundation() {
// DO NOT INLINE this variable. For backward compatibility, foundations take
// a Partial<MDCFooAdapter>. To ensure we don't accidentally omit any
// methods, we need a separate, strongly typed adapter variable.
// tslint:disable:object-literal-sort-keys Methods should be in the same order as the adapter interface.
const adapter: MDCSelectHelperTextAdapter = {
addClass: (className) => {
this.root.classList.add(className);
},
removeClass: (className) => {
this.root.classList.remove(className);
},
hasClass: (className) => this.root.classList.contains(className),
getAttr: (attr) => this.root.getAttribute(attr),
setAttr: (attr, value) => {
this.safeSetAttribute(this.root, attr, value);
},
removeAttr: (attr) => {
this.root.removeAttribute(attr);
},
setContent: (content) => {
this.root.textContent = content;
},
};
// tslint:enable:object-literal-sort-keys
return new MDCSelectHelperTextFoundation(adapter);
}
}