这里我们使用fs.existsSync。 // 判断目录是否存在的函数functioncheckDirectoryExists(dirPath){// 使用 fs.existsSync 检查目录if(fs.existsSync(dirPath)){console.log(`目录 "${dirPath}" 存在.`);returntrue;// 目录存在,返回 true}else{console.log(`目录 "${dirPath}" 不存在.`);returnfalse;// 目录...
Packages likeeslintthat get published to the npm registry do not include lock files.npm install eslintas a user will respect version constraints in ESLint'spackage.json. ESLint and its dependencies will be included in the user's lock file if one exists, but ESLint's own lock file would...
使用 Azure Active Directory 时,必须为主体分配一个允许访问事件中心的角色,例如Azure 事件中心数据所有者角色。 有关将 Azure Active Directory 授权与事件中心配合使用的详细信息,请参阅 相关文档。JavaScript 复制 const { EventHubProducerClient, EventHubConsumerClient } = require("@azure/event-hubs"); const...
global.ArrayBuffervarblobBuilderSupported =BlobBuilder&&BlobBuilder.prototype.append&&BlobBuilder.prototype.getBlobtry{//Check if Blob constructor is supportedblobSupported =newBlob(['ä']).size === 2//Check if Blob constructor supports ArrayBufferViews//Fails in Safari 6, so we need to map to ...
$temp_file .= DIRECTORY_SEPARATOR . md5( uniqid() . $uploaded_name ) . '.' . $uploaded_ext; // Is it an image? if( ( strtolower( $uploaded_ext ) == 'jpg' || strtolower( $uploaded_ext ) == 'jpeg' || strtolower( $uploaded_ext ) == 'png' ) && ...
methodself(): booleancheck if contact is self methodname(): stringget the name from a contact methodalias(): Promise<string>get the alias for a contact methodalias(newAlias: string): Promise<void>set or delete the alias for a contact ...
2.Create Directory:检查创建目录 此代码段调用fs模块的existsSync()检查目录是否存在,如果不存在,则mkdirSync()创建该目录。 const fs = require('fs'); const createDirIfNotExists = dir => (!fs.existsSync(dir) ? fs.mkdirSync(dir) : undefined); ...
save(function(err) { if (err) done(err); else done(); }); }); }); }); Alternatively, just use the done() callback directly (which will handle an error argument, if it exists): describe('User', function() { describe('#save()', function() { it('should save without error'...
使用 Azure Active Directory 时,必须为主体分配一个允许访问事件中心的角色,例如Azure 事件中心数据所有者角色。 有关将 Azure Active Directory 授权与事件中心配合使用的详细信息,请参阅 相关文档。JavaScript 复制 const { EventHubProducerClient, EventHubConsumerClient } = require("@azure/event-hubs"); const...
mkdir("./newDirName")Create a directory (recursive by default) rmdir("./newDirName")Delete a directory (recursive by default) exists("./aFile.txt")Check if a file exists rm("./myFile")Delete a file dirName("./path/file.txt")Return the directory name for a path ...