2018-05-29 05:06:30 +02:00
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/*
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* Licensed to Elasticsearch B.V. under one or more contributor
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* license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright
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* ownership. Elasticsearch B.V. licenses this file to you under
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* the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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2018-04-20 21:13:37 +02:00
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const { statSync } = require('fs');
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const LRU = require('lru-cache');
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const DIR = Symbol('dir');
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const FILE = Symbol('file');
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2018-07-09 22:50:37 +02:00
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const cache = process.env.KIBANA_RESOLVER_HARD_CACHE ? new Map() : new LRU({ maxAge: 1000 });
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2018-04-20 21:13:37 +02:00
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function getPathType(path) {
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const cached = cache.get(path);
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if (cached !== undefined) {
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return cached;
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}
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let type = null;
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try {
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const stats = statSync(path);
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if (stats.isDirectory()) {
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type = DIR;
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} else if (stats.isFile() || stats.isFIFO()) {
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type = FILE;
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}
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} catch (error) {
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if (!error || (error.code !== 'ENOENT' && error.code !== 'ENOTDIR')) {
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throw error;
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}
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}
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cache.set(path, type);
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return type;
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}
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2020-05-22 09:08:58 +02:00
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exports.isDirectory = function (path) {
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2018-04-20 21:13:37 +02:00
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return getPathType(path) === DIR;
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};
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2020-05-22 09:08:58 +02:00
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exports.isFile = function (path) {
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2018-04-20 21:13:37 +02:00
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return getPathType(path) === FILE;
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};
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