1fb726d48Sopenharmony_ci/*
2fb726d48Sopenharmony_ci * Copyright (C) 2022 Huawei Device Co., Ltd.
3fb726d48Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
4fb726d48Sopenharmony_ci * you may not use this file except in compliance with the License.
5fb726d48Sopenharmony_ci * You may obtain a copy of the License at
6fb726d48Sopenharmony_ci *
7fb726d48Sopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
8fb726d48Sopenharmony_ci *
9fb726d48Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software
10fb726d48Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
11fb726d48Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12fb726d48Sopenharmony_ci * See the License for the specific language governing permissions and
13fb726d48Sopenharmony_ci * limitations under the License.
14fb726d48Sopenharmony_ci */
15fb726d48Sopenharmony_ci
16fb726d48Sopenharmony_ciexport function element(tag: string): (el: unknown) => void {
17fb726d48Sopenharmony_ci  return (el: unknown): void => {
18fb726d48Sopenharmony_ci    if (!customElements.get(tag)) {
19fb726d48Sopenharmony_ci      //@ts-ignore
20fb726d48Sopenharmony_ci      customElements.define(tag, el);
21fb726d48Sopenharmony_ci    }
22fb726d48Sopenharmony_ci  };
23fb726d48Sopenharmony_ci}
24fb726d48Sopenharmony_ci
25fb726d48Sopenharmony_ciexport abstract class BaseElement extends HTMLElement {
26fb726d48Sopenharmony_ci  args: unknown;
27fb726d48Sopenharmony_ci
28fb726d48Sopenharmony_ci  public constructor(args: unknown | undefined | null = null) {
29fb726d48Sopenharmony_ci    super();
30fb726d48Sopenharmony_ci    this.args = args;
31fb726d48Sopenharmony_ci    this.attachShadow({ mode: 'open' }).innerHTML = this.initHtml();
32fb726d48Sopenharmony_ci    this.initElements();
33fb726d48Sopenharmony_ci  }
34fb726d48Sopenharmony_ci
35fb726d48Sopenharmony_ci  abstract initElements(): void;
36fb726d48Sopenharmony_ci
37fb726d48Sopenharmony_ci  abstract initHtml(): string;
38fb726d48Sopenharmony_ci
39fb726d48Sopenharmony_ci  public connectedCallback(): void {}
40fb726d48Sopenharmony_ci
41fb726d48Sopenharmony_ci  public disconnectedCallback(): void {}
42fb726d48Sopenharmony_ci
43fb726d48Sopenharmony_ci  public adoptedCallback(): void {}
44fb726d48Sopenharmony_ci
45fb726d48Sopenharmony_ci  attributeChangedCallback(name: string, oldValue: string, newValue: string): void {}
46fb726d48Sopenharmony_ci}
47