@vaadin/upload/src/vaadin-lit-upload-file-list.js

Web Component for uploading files with drag and drop support

/**
 * @license
 * Copyright (c) 2016 - 2025 Vaadin Ltd.
 * This program is available under Apache License Version 2.0, available at https://vaadin.com/license/
 */
import './vaadin-lit-upload-file.js';
import { css, html, LitElement } from 'lit';
import { defineCustomElement } from '@vaadin/component-base/src/define.js';
import { PolylitMixin } from '@vaadin/component-base/src/polylit-mixin.js';
import { ThemableMixin } from '@vaadin/vaadin-themable-mixin/vaadin-themable-mixin.js';
import { UploadFileListMixin } from './vaadin-upload-file-list-mixin.js';

/**
 * An element used internally by `<vaadin-upload>`. Not intended to be used separately.
 *
 * @extends HTMLElement
 * @mixes ThemableMixin
 * @mixes UploadFileListMixin
 * @private
 */
class UploadFileList extends UploadFileListMixin(ThemableMixin(PolylitMixin(LitElement))) {
  static get is() {
    return 'vaadin-upload-file-list';
  }

  static get styles() {
    return css`
      :host {
        display: block;
      }

      :host([hidden]) {
        display: none !important;
      }

      [part='list'] {
        padding: 0;
        margin: 0;
        list-style-type: none;
      }
    `;
  }

  /** @protected */
  render() {
    return html`
      <ul part="list">
        <slot></slot>
      </ul>
    `;
  }
}

defineCustomElement(UploadFileList);

export { UploadFileList };