GitHub - olov/ast-traverse: simple but flexible AST traversal with pre and post visitors

// ast is a Mozilla Parser API compatible structure // generated by Esprima or another parser var ast = require("esprima").parse("f(1, x) + 2"); var traverse = require("ast-traverse"); // print AST node types, pre-order (node first, then its children) traverse(ast, {pre: function(node, parent, prop, idx) { console.log(node.type + (parent ? " from parent " + parent.type + " via " + prop + (idx !==

[vvakame]

“simple but flexible AST traversal with pre and post visitors”