“use strict”;

Object.defineProperty(exports, “__esModule”, {

value: true

}); exports.default = traverse; Object.defineProperty(exports, “NodePath”, {

enumerable: true,
get: function () {
  return _path.default;
}

}); Object.defineProperty(exports, “Scope”, {

enumerable: true,
get: function () {
  return _scope.default;
}

}); Object.defineProperty(exports, “Hub”, {

enumerable: true,
get: function () {
  return _hub.default;
}

}); exports.visitors = void 0;

var _context = _interopRequireDefault(require(“./context”));

var visitors = _interopRequireWildcard(require(“./visitors”));

exports.visitors = visitors;

var _includes = _interopRequireDefault(require(“lodash/includes”));

var t = _interopRequireWildcard(require(“@babel/types”));

var cache = _interopRequireWildcard(require(“./cache”));

var _path = _interopRequireDefault(require(“./path”));

var _scope = _interopRequireDefault(require(“./scope”));

var _hub = _interopRequireDefault(require(“./hub”));

function _getRequireWildcardCache() { if (typeof WeakMap !== “function”) return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; if (obj != null) { var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj = obj; } } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function traverse(parent, opts, scope, state, parentPath) {

if (!parent) return;
if (!opts) opts = {};

if (!opts.noScope && !scope) {
  if (parent.type !== "Program" && parent.type !== "File") {
    throw new Error("You must pass a scope and parentPath unless traversing a Program/File. " + `Instead of that you tried to traverse a ${parent.type} node without ` + "passing scope and parentPath.");
  }
}

visitors.explode(opts);
traverse.node(parent, opts, scope, state, parentPath);

}

traverse.visitors = visitors; traverse.verify = visitors.verify; traverse.explode = visitors.explode;

traverse.cheap = function (node, enter) {

return t.traverseFast(node, enter);

};

traverse.node = function (node, opts, scope, state, parentPath, skipKeys) {

const keys = t.VISITOR_KEYS[node.type];
if (!keys) return;
const context = new _context.default(scope, opts, state, parentPath);

for (const key of keys) {
  if (skipKeys && skipKeys[key]) continue;
  if (context.visit(node, key)) return;
}

};

traverse.clearNode = function (node, opts) {

t.removeProperties(node, opts);
cache.path.delete(node);

};

traverse.removeProperties = function (tree, opts) {

t.traverseFast(tree, traverse.clearNode, opts);
return tree;

};

function hasBlacklistedType(path, state) {

if (path.node.type === state.type) {
  state.has = true;
  path.stop();
}

}

traverse.hasType = function (tree, type, blacklistTypes) {

if ((0, _includes.default)(blacklistTypes, tree.type)) return false;
if (tree.type === type) return true;
const state = {
  has: false,
  type: type
};
traverse(tree, {
  noScope: true,
  blacklist: blacklistTypes,
  enter: hasBlacklistedType
}, null, state);
return state.has;

};

traverse.cache = cache;