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- "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; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; 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.");
- }
- }
-
- if (!t.VISITOR_KEYS[parent.type]) {
- return;
- }
-
- 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;
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