kibana/packages/kbn-eslint-import-resolver-kibana/lib/resolve_webpack_alias.js
2020-05-22 09:08:58 +02:00

42 lines
1.4 KiB
JavaScript

/*
* 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.
*/
/**
* Attempt to apply basic webpack alias transformations so we can
* avoid triggering the webpack resolver for many imports
*
* @param {string} source
* @param {Array<[alias,path]>} aliasEntries
* @return {string|undefined}
*/
exports.resolveWebpackAlias = function (source, aliasEntries) {
for (const [alias, path] of aliasEntries) {
if (source === alias) {
return path;
}
if (alias.endsWith('$')) {
if (source === alias.slice(0, -1)) {
return path;
}
} else if (source.startsWith(alias + '/')) {
return path + '/' + source.slice(alias.length + 1);
}
}
};