/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

// "path" imports point to a specific location and don't require
// module directory resolution. This RegExp should capture import
// statements that:
//
//  - start with `./`
//  - start with `../`
//  - equal `..`
//  - equal `.`
//  - start with `C:\`
//  - start with `C:/`
//  - start with `/`
//
const PATH_IMPORT_RE = /^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[/\\])/;

exports.getIsPathRequest = function (source) {
  return PATH_IMPORT_RE.test(source);
};