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index.js 2.46 KiB
"use strict";
Object.defineProperty(exports, "__esModule", {
  value: true
});
Object.defineProperty(exports, "Hub", {
  enumerable: true,
  get: function () {
    return _hub.default;
});
Object.defineProperty(exports, "NodePath", {
  enumerable: true,
  get: function () {
    return _path.default;
});
Object.defineProperty(exports, "Scope", {
  enumerable: true,
  get: function () {
    return _scope.default;
});
exports.visitors = exports.default = void 0;
var visitors = require("./visitors");
exports.visitors = visitors;
var _t = require("@babel/types");
var cache = require("./cache");
var _traverseNode = require("./traverse-node");
var _path = require("./path");
var _scope = require("./scope");
var _hub = require("./hub");
const {
  VISITOR_KEYS,
  removeProperties,
  traverseFast
} = _t;
function traverse(parent, opts = {}, scope, state, parentPath) {
  if (!parent) return;
  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 (!VISITOR_KEYS[parent.type]) {
    return;
  visitors.explode(opts);
  (0, _traverseNode.traverseNode)(parent, opts, scope, state, parentPath);
var _default = traverse;
exports.default = _default;
traverse.visitors = visitors;
traverse.verify = visitors.verify;
traverse.explode = visitors.explode;
traverse.cheap = function (node, enter) { return traverseFast(node, enter); }; traverse.node = function (node, opts, scope, state, path, skipKeys) { (0, _traverseNode.traverseNode)(node, opts, scope, state, path, skipKeys); }; traverse.clearNode = function (node, opts) { removeProperties(node, opts); cache.path.delete(node); }; traverse.removeProperties = function (tree, opts) { traverseFast(tree, traverse.clearNode, opts); return tree; }; function hasDenylistedType(path, state) { if (path.node.type === state.type) { state.has = true; path.stop(); } } traverse.hasType = function (tree, type, denylistTypes) { if (denylistTypes != null && denylistTypes.includes(tree.type)) return false; if (tree.type === type) return true; const state = { has: false, type: type }; traverse(tree, { noScope: true, denylist: denylistTypes, enter: hasDenylistedType }, null, state); return state.has; }; traverse.cache = cache;