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node_modules/babel-plugin-transform-es2015-object-super/lib/index.js 2.38 KB
6a9ffbcc   liuqimichale   地图点击事件
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  "use strict";
  
  exports.__esModule = true;
  
  var _getIterator2 = require("babel-runtime/core-js/get-iterator");
  
  var _getIterator3 = _interopRequireDefault(_getIterator2);
  
  var _symbol = require("babel-runtime/core-js/symbol");
  
  var _symbol2 = _interopRequireDefault(_symbol);
  
  exports.default = function (_ref) {
    var t = _ref.types;
  
    function Property(path, node, scope, getObjectRef, file) {
      var replaceSupers = new _babelHelperReplaceSupers2.default({
        getObjectRef: getObjectRef,
        methodNode: node,
        methodPath: path,
        isStatic: true,
        scope: scope,
        file: file
      });
  
      replaceSupers.replace();
    }
  
    var CONTAINS_SUPER = (0, _symbol2.default)();
  
    return {
      visitor: {
        Super: function Super(path) {
          var parentObj = path.findParent(function (path) {
            return path.isObjectExpression();
          });
          if (parentObj) parentObj.node[CONTAINS_SUPER] = true;
        },
  
  
        ObjectExpression: {
          exit: function exit(path, file) {
            if (!path.node[CONTAINS_SUPER]) return;
  
            var objectRef = void 0;
            var getObjectRef = function getObjectRef() {
              return objectRef = objectRef || path.scope.generateUidIdentifier("obj");
            };
  
            var propPaths = path.get("properties");
            for (var _iterator = propPaths, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
              var _ref2;
  
              if (_isArray) {
                if (_i >= _iterator.length) break;
                _ref2 = _iterator[_i++];
              } else {
                _i = _iterator.next();
                if (_i.done) break;
                _ref2 = _i.value;
              }
  
              var propPath = _ref2;
  
              if (propPath.isObjectProperty()) propPath = propPath.get("value");
              Property(propPath, propPath.node, path.scope, getObjectRef, file);
            }
  
            if (objectRef) {
              path.scope.push({ id: objectRef });
              path.replaceWith(t.assignmentExpression("=", objectRef, path.node));
            }
          }
        }
      }
    };
  };
  
  var _babelHelperReplaceSupers = require("babel-helper-replace-supers");
  
  var _babelHelperReplaceSupers2 = _interopRequireDefault(_babelHelperReplaceSupers);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  module.exports = exports["default"];