twreporter-react/node_modules_node_5/babel-plugin-transform-object-rest-spread/lib/index.js

React-Redux site for The Reporter Foundation in Taiwan

"use strict";

var _getIterator = require("babel-runtime/core-js/get-iterator")["default"];

exports.__esModule = true;

exports["default"] = function (_ref3) {
  var t = _ref3.types;

  function hasSpread(node) {
    for (var _iterator = (node.properties /*: Array<Object>*/), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _getIterator(_iterator);;) {
      var _ref;

      if (_isArray) {
        if (_i >= _iterator.length) break;
        _ref = _iterator[_i++];
      } else {
        _i = _iterator.next();
        if (_i.done) break;
        _ref = _i.value;
      }

      var prop = _ref;

      if (t.isSpreadProperty(prop)) {
        return true;
      }
    }
    return false;
  }

  return {
    inherits: require("babel-plugin-syntax-object-rest-spread"),

    visitor: {
      ObjectExpression: function ObjectExpression(path, file) {
        if (!hasSpread(path.node)) return;

        var args = [];
        var props = [];

        function push() {
          if (!props.length) return;
          args.push(t.objectExpression(props));
          props = [];
        }

        for (var _iterator2 = (path.node.properties /*: Array*/), _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _getIterator(_iterator2);;) {
          var _ref2;

          if (_isArray2) {
            if (_i2 >= _iterator2.length) break;
            _ref2 = _iterator2[_i2++];
          } else {
            _i2 = _iterator2.next();
            if (_i2.done) break;
            _ref2 = _i2.value;
          }

          var prop = _ref2;

          if (t.isSpreadProperty(prop)) {
            push();
            args.push(prop.argument);
          } else {
            props.push(prop);
          }
        }

        push();

        if (!t.isObjectExpression(args[0])) {
          args.unshift(t.objectExpression([]));
        }

        path.replaceWith(t.callExpression(file.addHelper("extends"), args));
      }
    }
  };
};

module.exports = exports["default"];