| "use strict"; |
| |
| exports.__esModule = true; |
| exports.visitors = exports.Hub = exports.Scope = exports.NodePath = undefined; |
| |
| var _getIterator2 = require("babel-runtime/core-js/get-iterator"); |
| |
| var _getIterator3 = _interopRequireDefault(_getIterator2); |
| |
| var _path = require("./path"); |
| |
| Object.defineProperty(exports, "NodePath", { |
| enumerable: true, |
| get: function get() { |
| return _interopRequireDefault(_path).default; |
| } |
| }); |
| |
| var _scope = require("./scope"); |
| |
| Object.defineProperty(exports, "Scope", { |
| enumerable: true, |
| get: function get() { |
| return _interopRequireDefault(_scope).default; |
| } |
| }); |
| |
| var _hub = require("./hub"); |
| |
| Object.defineProperty(exports, "Hub", { |
| enumerable: true, |
| get: function get() { |
| return _interopRequireDefault(_hub).default; |
| } |
| }); |
| exports.default = traverse; |
| |
| var _context = require("./context"); |
| |
| var _context2 = _interopRequireDefault(_context); |
| |
| var _visitors = require("./visitors"); |
| |
| var visitors = _interopRequireWildcard(_visitors); |
| |
| var _babelMessages = require("babel-messages"); |
| |
| var messages = _interopRequireWildcard(_babelMessages); |
| |
| var _includes = require("lodash/includes"); |
| |
| var _includes2 = _interopRequireDefault(_includes); |
| |
| var _babelTypes = require("babel-types"); |
| |
| var t = _interopRequireWildcard(_babelTypes); |
| |
| var _cache = require("./cache"); |
| |
| var cache = _interopRequireWildcard(_cache); |
| |
| function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } } |
| |
| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } |
| |
| exports.visitors = visitors; |
| 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(messages.get("traverseNeedsParent", parent.type)); |
| } |
| } |
| |
| visitors.explode(opts); |
| |
| traverse.node(parent, opts, scope, state, parentPath); |
| } |
| |
| traverse.visitors = visitors; |
| traverse.verify = visitors.verify; |
| traverse.explode = visitors.explode; |
| |
| traverse.NodePath = require("./path"); |
| traverse.Scope = require("./scope"); |
| traverse.Hub = require("./hub"); |
| |
| traverse.cheap = function (node, enter) { |
| return t.traverseFast(node, enter); |
| }; |
| |
| traverse.node = function (node, opts, scope, state, parentPath, skipKeys) { |
| var keys = t.VISITOR_KEYS[node.type]; |
| if (!keys) return; |
| |
| var context = new _context2.default(scope, opts, state, parentPath); |
| for (var _iterator = keys, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) { |
| var _ref; |
| |
| if (_isArray) { |
| if (_i >= _iterator.length) break; |
| _ref = _iterator[_i++]; |
| } else { |
| _i = _iterator.next(); |
| if (_i.done) break; |
| _ref = _i.value; |
| } |
| |
| var key = _ref; |
| |
| 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, scope, type, blacklistTypes) { |
| if ((0, _includes2.default)(blacklistTypes, tree.type)) return false; |
| |
| if (tree.type === type) return true; |
| |
| var state = { |
| has: false, |
| type: type |
| }; |
| |
| traverse(tree, { |
| blacklist: blacklistTypes, |
| enter: hasBlacklistedType |
| }, scope, state); |
| |
| return state.has; |
| }; |
| |
| traverse.clearCache = function () { |
| cache.clear(); |
| }; |
| |
| traverse.clearCache.clearPath = cache.clearPath; |
| traverse.clearCache.clearScope = cache.clearScope; |
| |
| traverse.copyCache = function (source, destination) { |
| if (cache.path.has(source)) { |
| cache.path.set(destination, cache.path.get(source)); |
| } |
| }; |