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node_modules/babel-plugin-transform-es2015-classes/lib/index.js 1.88 KB
6a9ffbcc   liuqimichale   地图点击事件
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  "use strict";
  
  exports.__esModule = true;
  
  var _symbol = require("babel-runtime/core-js/symbol");
  
  var _symbol2 = _interopRequireDefault(_symbol);
  
  exports.default = function (_ref) {
    var t = _ref.types;
  
    var VISITED = (0, _symbol2.default)();
  
    return {
      visitor: {
        ExportDefaultDeclaration: function ExportDefaultDeclaration(path) {
          if (!path.get("declaration").isClassDeclaration()) return;
  
          var node = path.node;
  
          var ref = node.declaration.id || path.scope.generateUidIdentifier("class");
          node.declaration.id = ref;
  
          path.replaceWith(node.declaration);
          path.insertAfter(t.exportDefaultDeclaration(ref));
        },
        ClassDeclaration: function ClassDeclaration(path) {
          var node = path.node;
  
  
          var ref = node.id || path.scope.generateUidIdentifier("class");
  
          path.replaceWith(t.variableDeclaration("let", [t.variableDeclarator(ref, t.toExpression(node))]));
        },
        ClassExpression: function ClassExpression(path, state) {
          var node = path.node;
  
          if (node[VISITED]) return;
  
          var inferred = (0, _babelHelperFunctionName2.default)(path);
          if (inferred && inferred !== node) return path.replaceWith(inferred);
  
          node[VISITED] = true;
  
          var Constructor = _vanilla2.default;
          if (state.opts.loose) Constructor = _loose2.default;
  
          path.replaceWith(new Constructor(path, state.file).run());
        }
      }
    };
  };
  
  var _loose = require("./loose");
  
  var _loose2 = _interopRequireDefault(_loose);
  
  var _vanilla = require("./vanilla");
  
  var _vanilla2 = _interopRequireDefault(_vanilla);
  
  var _babelHelperFunctionName = require("babel-helper-function-name");
  
  var _babelHelperFunctionName2 = _interopRequireDefault(_babelHelperFunctionName);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  module.exports = exports["default"];