* Checks if a given DOM node contains or is another DOM node.
(outerNode, innerNode)
| 340 | * Checks if a given DOM node contains or is another DOM node. |
| 341 | */ |
| 342 | function containsNode(outerNode, innerNode) { |
| 343 | if (!outerNode || !innerNode) { |
| 344 | return false; |
| 345 | } else if (outerNode === innerNode) { |
| 346 | return true; |
| 347 | } else if (isTextNode(outerNode)) { |
| 348 | return false; |
| 349 | } else if (isTextNode(innerNode)) { |
| 350 | return containsNode(outerNode, innerNode.parentNode); |
| 351 | } else if ('contains' in outerNode) { |
| 352 | return outerNode.contains(innerNode); |
| 353 | } else if (outerNode.compareDocumentPosition) { |
| 354 | return !!(outerNode.compareDocumentPosition(innerNode) & 16); |
| 355 | } else { |
| 356 | return false; |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | module.exports = containsNode; |
| 361 | },{"./isTextNode":18}],11:[function(require,module,exports){ |
no test coverage detected