cst/lib/elements/types/RestElement.js

JavaScript CST Implementation

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');

var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _Node2 = require('../Node');

var _Node3 = _interopRequireDefault(_Node2);

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

var RestElement = function (_Node) {
    (0, _inherits3.default)(RestElement, _Node);

    // TODO: Requires a function?

    function RestElement(childNodes) {
        (0, _classCallCheck3.default)(this, RestElement);

        var _this = (0, _possibleConstructorReturn3.default)(this, (RestElement.__proto__ || (0, _getPrototypeOf2.default)(RestElement)).call(this, 'RestElement', childNodes));

        _this.isPattern = true;
        return _this;
    }

    (0, _createClass3.default)(RestElement, [{
        key: '_acceptChildren',
        value: function _acceptChildren(children) {
            children.passToken('Punctuator', '...');

            children.skipNonCode();

            if (!children.isNode('MemberExpression')) {
                children.assertPattern();
            }

            var argument = children.currentElement;
            children.moveNext();

            children.assertEnd();

            this.argument = argument;
        }
    }]);
    return RestElement;
}(_Node3.default);

exports.default = RestElement;
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