Depth-first traversal of the AST.
Calls enterNode before traversing children, and leaveNode after all children have been visited. If enterNode returns false, the subtree is skipped.
enterNode
leaveNode
false
The AST root node
Callback object
Depth-first traversal of the AST.
Calls
enterNodebefore traversing children, andleaveNodeafter all children have been visited. IfenterNodereturnsfalse, the subtree is skipped.