react-native-devtools-frontend/front_end/component_docs/elements_breadcrumbs/scroll.html

<!--
  Copyright 2020 The Chromium Authors. All rights reserved.
  Use of this source code is governed by a BSD-style license that can be
  found in the LICENSE file.
-->
<html>
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width" />
    <title>Scrolling breadcrumbs example</title>
    <style>
      #container {
        width: 400px;
        border: 1px solid black;
      }
    </style>
  </head>
  <body>

    <div id="container">
    </div>

    <script type="module">
      import * as ComponentHelpers from '../../component_helpers/component_helpers.js';
      import {ElementsBreadcrumbs} from '../../elements/ElementsBreadcrumbs.js';
      ComponentHelpers.ComponentServerSetup.setup().then(() => renderComponent())

      const renderComponent = () => {
        let id = 0;
        const makeCrumb = (overrides = {}) => {
          const attributes = overrides.attributes || {};
          const newCrumb = {
            nodeType: Node.ELEMENT_NODE,
            id: id++,
            pseudoType: '',
            shadowRootType: '',
            nodeName: 'body',
            nodeNameNicelyCased: 'body',
            legacyDomNode: {},
            highlightNode: () => {},
            clearHighlight: () => {},
            getAttribute: x => attributes[x] || '',
            ...overrides,
          };
          return newCrumb;
        };

        const component = new ElementsBreadcrumbs();
        const bodyCrumb = makeCrumb({
          nodeType: Node.ELEMENT_NODE,
          nodeName: 'body',
          nodeNameNicelyCased: 'body',
          attributes: {
            class: 'body-class1 body-class2'
          }
        });

        const divCrumb = makeCrumb({
          nodeType: Node.ELEMENT_NODE,
          nodeName: 'div',
          nodeNameNicelyCased: 'div',
          attributes: {
            id: 'test-id',
            class: 'wrapper-div',
          },
        });

        const spanCrumb = makeCrumb({
          nodeType: Node.ELEMENT_NODE,
          nodeName: 'span',
          nodeNameNicelyCased: 'span',
          attributes: {
            id: 'my-span-has-a-long-id',
          },
        });

        const emCrumb = makeCrumb({
          nodeType: Node.ELEMENT_NODE,
          nodeName: 'em',
          nodeNameNicelyCased: 'em',
          attributes: {
            id: 'my-em-has-a-long-id',
          },
        });

        document.getElementById('container').appendChild(component);

        component.data = {
          crumbs: [emCrumb, spanCrumb, divCrumb, bodyCrumb],
          selectedNode: bodyCrumb,
        };
      };

    </script>
  </body>
</html>