cst/lib/elements/types/ImportDeclaration.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 _ModuleDeclaration2 = require('../ModuleDeclaration');

var _ModuleDeclaration3 = _interopRequireDefault(_ModuleDeclaration2);

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

var ImportDeclaration = function (_ModuleDeclaration) {
    (0, _inherits3.default)(ImportDeclaration, _ModuleDeclaration);

    function ImportDeclaration(childNodes) {
        (0, _classCallCheck3.default)(this, ImportDeclaration);
        return (0, _possibleConstructorReturn3.default)(this, (ImportDeclaration.__proto__ || (0, _getPrototypeOf2.default)(ImportDeclaration)).call(this, 'ImportDeclaration', childNodes));
    }

    (0, _createClass3.default)(ImportDeclaration, [{
        key: '_acceptChildren',
        value: function _acceptChildren(children) {
            children.passToken('Keyword', 'import');
            children.skipNonCode();

            var specifiers = [];
            var source = null;

            if (children.isNode('ImportDefaultSpecifier')) {
                specifiers.push(children.passModuleSpecifier());
                children.skipNonCode();
                if (children.isToken('Punctuator', ',')) {
                    children.moveNext();
                    children.skipNonCode();
                }
            } else if (children.isNode('ImportNamespaceSpecifier')) {
                specifiers.push(children.passModuleSpecifier());
                children.skipNonCode();
            }

            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', '}');
                children.skipNonCode();
            }

            if (children.isToken('Identifier', 'from')) {
                children.passToken('Identifier', 'from');
                children.skipNonCode();
            }

            source = children.passNode('StringLiteral');
            if (!children.isEnd) {
                children.skipNonCode();
                children.passToken('Punctuator', ';');
            }

            children.assertEnd();

            this.specifiers = specifiers;
            this.source = source;
        }
    }]);
    return ImportDeclaration;
}(_ModuleDeclaration3.default);

exports.default = ImportDeclaration;
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