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天文台pc/tianwentai-ui/node_modules/@babel/traverse/lib/index.js 2.57 KB
bc518174   王天杨   提交两个项目文件
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  "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 _index.default;
    }
  });
  Object.defineProperty(exports, "Scope", {
    enumerable: true,
    get: function () {
      return _index2.default;
    }
  });
  exports.visitors = exports.default = void 0;
  require("./path/context.js");
  var visitors = require("./visitors.js");
  exports.visitors = visitors;
  var _t = require("@babel/types");
  var cache = require("./cache.js");
  var _traverseNode = require("./traverse-node.js");
  var _index = require("./path/index.js");
  var _index2 = require("./scope/index.js");
  var _hub = require("./hub.js");
  const {
    VISITOR_KEYS,
    removeProperties,
    traverseFast
  } = _t;
  function traverse(parent, opts = {}, scope, state, parentPath, visitSelf) {
    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 (!parentPath && visitSelf) {
      throw new Error("visitSelf can only be used when providing a NodePath.");
    }
    if (!VISITOR_KEYS[parent.type]) {
      return;
    }
    visitors.explode(opts);
    (0, _traverseNode.traverseNode)(parent, opts, scope, state, parentPath, undefined, visitSelf);
  }
  var _default = exports.default = traverse;
  traverse.visitors = visitors;
  traverse.verify = visitors.verify;
  traverse.explode = visitors.explode;
  traverse.cheap = function (node, enter) {
    traverseFast(node, enter);
    return;
  };
  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);
  };
  traverse.removeProperties = function (tree, opts) {
    traverseFast(tree, traverse.clearNode, opts);
    return tree;
  };
  traverse.hasType = function (tree, type, denylistTypes) {
    if (denylistTypes != null && denylistTypes.includes(tree.type)) return false;
    if (tree.type === type) return true;
    return traverseFast(tree, function (node) {
      if (denylistTypes != null && denylistTypes.includes(node.type)) {
        return traverseFast.skip;
      }
      if (node.type === type) {
        return traverseFast.stop;
      }
    });
  };
  traverse.cache = cache;
  
  //# sourceMappingURL=index.js.map