scripts/scaffold/templates/WidgetTemplate.ts.txt

// Copyright {{DATE}} The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import * as i18n from '{{FRONT_END_PATH_PREFIX}}/core/i18n/i18n.js';
import * as UI from '{{FRONT_END_PATH_PREFIX}}/ui/legacy/legacy.js';
import * as Lit from '{{FRONT_END_PATH_PREFIX}}/ui/lit/lit.js';

import {{COMPONENT_NAME_CAMEL_CASE}}Styles from './{{COMPONENT_NAME_CAMEL_CASE}}.css.js';

const {render, html} = Lit;

const UIStrings = {
  /**
   * @description Example string description
   */
  exampleI18nString: 'Example string, please remove',
} as const;
const str_ = i18n.i18n.registerUIStrings('{{COMPONENT_PATH_PREFIX}}/{{COMPONENT_NAME_PASCAL_CASE}}.ts', UIStrings);
const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_);

export interface ViewInput {
}

export interface ViewOutput {
}

export const DEFAULT_VIEW = (input: ViewInput, output: ViewOutput, target: HTMLElement): void => {
  // clang-format off
  render(html`
    <style>${{{COMPONENT_NAME_CAMEL_CASE}}Styles}</style>
    <div class="{{COMPONENT_NAME_KEBAP_CASE}}">
      ${i18nString(UIStrings.exampleI18nString)}
    </div>
  `, target, {host: target});
  // clang-format on
};
export type View = typeof DEFAULT_VIEW;

export class {{COMPONENT_NAME_PASCAL_CASE}} extends UI.Widget.Widget {
  #view: View;
  #viewOutput: ViewOutput = {};

  constructor(element?: HTMLElement, view?: View) {
    super(false, false, element);
    this.#view = view ?? DEFAULT_VIEW;
  }

  override wasShown(): void {
    super.wasShown();
  }

  override willHide(): void {
    super.willHide();
  }

  override performUpdate(): Promise<void>|void {
    this.#view({}, this.#viewOutput, this.contentElement);
  }
}