(node, path)
| 16 | } |
| 17 | |
| 18 | function seekTo (node, path) { |
| 19 | var parent |
| 20 | for (var i = path.length - 1; i >= 0; --i) { |
| 21 | parent = node |
| 22 | node = parent.c && parent.c[path[i]] |
| 23 | if (!node) { return } |
| 24 | } |
| 25 | return node |
| 26 | } |
| 27 | |
| 28 | function forEachTree (node, f) { |
| 29 | var top |