(node: DOMElement, result: DOMElement[])
| 138 | } |
| 139 | |
| 140 | function walkTree(node: DOMElement, result: DOMElement[]): void { |
| 141 | const tabIndex = node.attributes['tabIndex'] |
| 142 | if (typeof tabIndex === 'number' && tabIndex >= 0) { |
| 143 | result.push(node) |
| 144 | } |
| 145 | |
| 146 | for (const child of node.childNodes) { |
| 147 | if (child.nodeName !== '#text') { |
| 148 | walkTree(child, result) |
| 149 | } |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | function isInTree(node: DOMElement, root: DOMElement): boolean { |
| 154 | let current: DOMElement | undefined = node |