cst/lib/elements/types/ExportNamedDeclaration.js

JavaScript CST Implementation

'use strict';

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

var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();

var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; desc = parent = getter = undefined; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };

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

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }

function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var _ModuleDeclaration2 = require('../ModuleDeclaration');

var _ModuleDeclaration3 = _interopRequireDefault(_ModuleDeclaration2);

var ExportNamedDeclaration = (function (_ModuleDeclaration) {
    _inherits(ExportNamedDeclaration, _ModuleDeclaration);

    function ExportNamedDeclaration(childNodes) {
        _classCallCheck(this, ExportNamedDeclaration);

        _get(Object.getPrototypeOf(ExportNamedDeclaration.prototype), 'constructor', this).call(this, 'ExportNamedDeclaration', childNodes);
    }

    _createClass(ExportNamedDeclaration, [{
        key: '_acceptChildren',
        value: function _acceptChildren(children) {
            children.passToken('Keyword', 'export');
            children.skipNonCode();

            var declaration = null;
            var specifiers = [];
            var source = null;

            if (children.isNode('VariableDeclaration') || children.isNode('FunctionDeclaration') || children.isNode('ClassDeclaration')) {
                declaration = children.passStatement();
            } else {
                // es2015 exports
                if (children.isToken('Punctuator', '{')) {
                    children.passToken('Punctuator', '{');
                    children.skipNonCode();
                    while (!children.isToken('Punctuator', '}')) {
                        specifiers.push(children.passModuleSpecifier());
                        children.skipNonCode();
                        if (children.isToken('Punctuator', ',')) {
                            children.moveNext();
                            children.skipNonCode();
                        }
                    }
                    children.passToken('Punctuator', '}');
                } else {
                    // es2016 export from
                    specifiers.push(children.passModuleSpecifier());
                }
                children.skipNonCode();

                if (children.isToken('Identifier', 'from')) {
                    children.passToken('Identifier', 'from');
                    children.skipNonCode();
                    source = children.passNode('Literal');
                    if (!children.isEnd) {
                        children.skipNonCode();
                        children.passToken('Punctuator', ';');
                    }
                } else if (!children.isEnd) {
                    children.passToken('Punctuator', ';');
                }
            }

            children.assertEnd();

            this._declaration = declaration;
            this._specifiers = specifiers;
            this._source = source;
        }
    }, {
        key: 'declaration',
        get: function get() {
            return this._declaration;
        }
    }, {
        key: 'specifiers',
        get: function get() {
            return this._specifiers;
        }
    }, {
        key: 'source',
        get: function get() {
            return this._source;
        }
    }]);

    return ExportNamedDeclaration;
})(_ModuleDeclaration3['default']);

exports['default'] = ExportNamedDeclaration;
module.exports = exports['default'];