traverseFast.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = traverseFast;

var _definitions = require("../definitions");

function traverseFast(node, enter, opts) {
  if (!node) return;
  const keys = _definitions.VISITOR_KEYS[node.type];
  if (!keys) return;
  opts = opts || {};
  enter(node, opts);

  for (const key of keys) {
    const subNode = node[key];

    if (Array.isArray(subNode)) {
      for (const node of subNode) {
        traverseFast(node, enter, opts);
      }
    } else {
      traverseFast(subNode, enter, opts);
    }
  }
}