| "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[key] = obj[key]; } } } } 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; |