* Traverses the ID hierarchy and invokes the supplied `cb` on any IDs that * should would receive a `mouseEnter` or `mouseLeave` event. * * Does not invoke the callback on the nearest common ancestor because nothing * "entered" or "left" that element.
(from, to, fn, argFrom, argTo)
| 1964 | * "entered" or "left" that element. |
| 1965 | */ |
| 1966 | function traverseEnterLeave(from, to, fn, argFrom, argTo) { |
| 1967 | var common = from && to ? getLowestCommonAncestor(from, to) : null; |
| 1968 | var pathFrom = []; |
| 1969 | while (true) { |
| 1970 | if (!from) { |
| 1971 | break; |
| 1972 | } |
| 1973 | if (from === common) { |
| 1974 | break; |
| 1975 | } |
| 1976 | var alternate = from.alternate; |
| 1977 | if (alternate !== null && alternate === common) { |
| 1978 | break; |
| 1979 | } |
| 1980 | pathFrom.push(from); |
| 1981 | from = getParent(from); |
| 1982 | } |
| 1983 | var pathTo = []; |
| 1984 | while (true) { |
| 1985 | if (!to) { |
| 1986 | break; |
| 1987 | } |
| 1988 | if (to === common) { |
| 1989 | break; |
| 1990 | } |
| 1991 | var _alternate = to.alternate; |
| 1992 | if (_alternate !== null && _alternate === common) { |
| 1993 | break; |
| 1994 | } |
| 1995 | pathTo.push(to); |
| 1996 | to = getParent(to); |
| 1997 | } |
| 1998 | for (var i = 0; i < pathFrom.length; i++) { |
| 1999 | fn(pathFrom[i], 'bubbled', argFrom); |
| 2000 | } |
| 2001 | for (var _i = pathTo.length; _i-- > 0;) { |
| 2002 | fn(pathTo[_i], 'captured', argTo); |
| 2003 | } |
| 2004 | } |
| 2005 | |
| 2006 | /** |
| 2007 | * Some event types have a notion of different registration names for different |
no test coverage detected