babel-plugin-transform-es5-property-mutators/lib/index.js

Compile ES5 property mutator shorthand syntax to Object.defineProperty

"use strict";

exports.__esModule = true;

var _getIterator2 = require("babel-runtime/core-js/get-iterator");

var _getIterator3 = _interopRequireDefault(_getIterator2);

exports.default = function (_ref) {
  var t = _ref.types;

  return {
    visitor: {
      ObjectExpression: function ObjectExpression(path, file) {
        var node = path.node;

        var hasAny = false;
        for (var _iterator = node.properties, _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 prop = _ref2;

          if (prop.kind === "get" || prop.kind === "set") {
            hasAny = true;
            break;
          }
        }
        if (!hasAny) return;

        var mutatorMap = {};

        node.properties = node.properties.filter(function (prop) {
          if (!prop.computed && (prop.kind === "get" || prop.kind === "set")) {
            defineMap.push(mutatorMap, prop, null, file);
            return false;
          } else {
            return true;
          }
        });

        path.replaceWith(t.callExpression(t.memberExpression(t.identifier("Object"), t.identifier("defineProperties")), [node, defineMap.toDefineObject(mutatorMap)]));
      }
    }
  };
};

var _babelHelperDefineMap = require("babel-helper-define-map");

var defineMap = _interopRequireWildcard(_babelHelperDefineMap);

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

module.exports = exports["default"];