60 строки
1.2 KiB
JavaScript
60 строки
1.2 KiB
JavaScript
/**
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* @license
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* Copyright 2017 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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const fs = require('fs');
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/**
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* @param {string} path
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* @return {boolean}
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*/
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function isDir(path) {
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try {
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return fs.statSync(path).isDirectory();
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} catch (error) {
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return false;
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}
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}
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/**
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* @param {string} path
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* @return {boolean}
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*/
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function isFile(path) {
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try {
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return fs.statSync(path).isFile();
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} catch (error) {
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return false;
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}
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}
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/**
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* @param {!Array} array
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*/
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function shuffle(array) {
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for (let i = array.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[array[i], array[j]] = [array[j], array[i]];
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}
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}
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module.exports = {
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isDir,
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isFile,
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shuffle
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};
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