95 lines
2.6 KiB
JavaScript
95 lines
2.6 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, "Hub", {
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enumerable: true,
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get: function () {
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return _hub.default;
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}
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});
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Object.defineProperty(exports, "NodePath", {
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enumerable: true,
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get: function () {
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return _index.default;
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}
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});
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Object.defineProperty(exports, "Scope", {
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enumerable: true,
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get: function () {
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return _index2.default;
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}
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});
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exports.visitors = exports.default = void 0;
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var visitors = require("./visitors.js");
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exports.visitors = visitors;
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var _t = require("@babel/types");
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var cache = require("./cache.js");
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var _traverseNode = require("./traverse-node.js");
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var _index = require("./path/index.js");
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var _index2 = require("./scope/index.js");
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var _hub = require("./hub.js");
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const {
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VISITOR_KEYS,
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removeProperties,
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traverseFast
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} = _t;
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function traverse(parent, opts = {}, scope, state, parentPath, visitSelf) {
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if (!parent) return;
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if (!opts.noScope && !scope) {
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if (parent.type !== "Program" && parent.type !== "File") {
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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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}
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}
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if (!parentPath && visitSelf) {
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throw new Error("visitSelf can only be used when providing a NodePath.");
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}
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if (!VISITOR_KEYS[parent.type]) {
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return;
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}
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visitors.explode(opts);
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(0, _traverseNode.traverseNode)(parent, opts, scope, state, parentPath, null, visitSelf);
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}
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var _default = exports.default = traverse;
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traverse.visitors = visitors;
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traverse.verify = visitors.verify;
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traverse.explode = visitors.explode;
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traverse.cheap = function (node, enter) {
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traverseFast(node, enter);
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return;
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};
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traverse.node = function (node, opts, scope, state, path, skipKeys) {
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(0, _traverseNode.traverseNode)(node, opts, scope, state, path, skipKeys);
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};
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traverse.clearNode = function (node, opts) {
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removeProperties(node, opts);
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};
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traverse.removeProperties = function (tree, opts) {
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traverseFast(tree, traverse.clearNode, opts);
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return tree;
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};
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function hasDenylistedType(path, state) {
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if (path.node.type === state.type) {
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state.has = true;
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path.stop();
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}
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}
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traverse.hasType = function (tree, type, denylistTypes) {
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if (denylistTypes != null && denylistTypes.includes(tree.type)) return false;
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if (tree.type === type) return true;
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const state = {
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has: false,
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type: type
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};
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traverse(tree, {
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noScope: true,
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denylist: denylistTypes,
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enter: hasDenylistedType
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}, null, state);
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return state.has;
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};
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traverse.cache = cache;
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//# sourceMappingURL=index.js.map
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