“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;