1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.default = traverse;
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7 | Object.defineProperty(exports, "NodePath", {
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8 | enumerable: true,
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9 | get: function () {
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10 | return _path.default;
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11 | }
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12 | });
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13 | Object.defineProperty(exports, "Scope", {
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14 | enumerable: true,
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15 | get: function () {
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16 | return _scope.default;
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17 | }
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18 | });
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19 | Object.defineProperty(exports, "Hub", {
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20 | enumerable: true,
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21 | get: function () {
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22 | return _hub.default;
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23 | }
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24 | });
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25 | exports.visitors = void 0;
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26 |
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27 | var _context = _interopRequireDefault(require("./context"));
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28 |
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29 | var visitors = _interopRequireWildcard(require("./visitors"));
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30 |
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31 | exports.visitors = visitors;
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32 |
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33 | var t = _interopRequireWildcard(require("@babel/types"));
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34 |
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35 | var cache = _interopRequireWildcard(require("./cache"));
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36 |
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37 | var _path = _interopRequireDefault(require("./path"));
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38 |
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39 | var _scope = _interopRequireDefault(require("./scope"));
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40 |
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41 | var _hub = _interopRequireDefault(require("./hub"));
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42 |
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43 | function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
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44 |
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45 | 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; }
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46 |
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47 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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48 |
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49 | function traverse(parent, opts, scope, state, parentPath) {
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50 | if (!parent) return;
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51 | if (!opts) opts = {};
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52 |
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53 | if (!opts.noScope && !scope) {
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54 | if (parent.type !== "Program" && parent.type !== "File") {
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55 | 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.");
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56 | }
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57 | }
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58 |
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59 | if (!t.VISITOR_KEYS[parent.type]) {
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60 | return;
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61 | }
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62 |
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63 | visitors.explode(opts);
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64 | traverse.node(parent, opts, scope, state, parentPath);
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65 | }
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66 |
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67 | traverse.visitors = visitors;
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68 | traverse.verify = visitors.verify;
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69 | traverse.explode = visitors.explode;
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70 |
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71 | traverse.cheap = function (node, enter) {
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72 | return t.traverseFast(node, enter);
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73 | };
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74 |
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75 | traverse.node = function (node, opts, scope, state, parentPath, skipKeys) {
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76 | const keys = t.VISITOR_KEYS[node.type];
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77 | if (!keys) return;
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78 | const context = new _context.default(scope, opts, state, parentPath);
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79 |
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80 | for (const key of keys) {
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81 | if (skipKeys && skipKeys[key]) continue;
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82 | if (context.visit(node, key)) return;
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83 | }
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84 | };
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85 |
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86 | traverse.clearNode = function (node, opts) {
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87 | t.removeProperties(node, opts);
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88 | cache.path.delete(node);
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89 | };
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90 |
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91 | traverse.removeProperties = function (tree, opts) {
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92 | t.traverseFast(tree, traverse.clearNode, opts);
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93 | return tree;
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94 | };
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95 |
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96 | function hasDenylistedType(path, state) {
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97 | if (path.node.type === state.type) {
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98 | state.has = true;
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99 | path.stop();
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100 | }
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101 | }
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102 |
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103 | traverse.hasType = function (tree, type, denylistTypes) {
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104 | if (denylistTypes == null ? void 0 : denylistTypes.includes(tree.type)) return false;
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105 | if (tree.type === type) return true;
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106 | const state = {
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107 | has: false,
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108 | type: type
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109 | };
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110 | traverse(tree, {
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111 | noScope: true,
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112 | denylist: denylistTypes,
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113 | enter: hasDenylistedType
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114 | }, null, state);
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115 | return state.has;
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116 | };
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117 |
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118 | traverse.cache = cache; |
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