In this tutorial, we are going to learn about how to check if a file exists or not using the Node.js fs (file system) module. The fs…
It’s recommended to use existsSync method if you only wish to check for the existence of a file. When you wish to check for specific permissions as well as the existence of the file, you can use either accessSync or access method. The exists method is deprecated from node.js and hence...
How to test if a directory exists on an FTP server. A good way to check to see if a directory already exists is to try to "cd" to that remote directory by calling ChangeRemoteDir. If it succeeds, then the directory exists. If not, then it does not exist. An alternative method is...
In a Node.js application, the fs.access() method can be used to check whether a file is readable, writable, or executable by the calling process. This method asynchronously tests a user's permissions for the file or directory.The fs.access() method accepts up to three arguments: the ...
To check if a given key already exists in a dictionary, you can use the in keyword. For example: my_dict = {'a': 1, 'b': 2, 'c': 3} if 'a' in my_dict: print("Key 'a' exists in dictionary") else: print("Key 'a' does not exist in dictionary") Try it Yourself »...
window.cep.fs.stat(path).data.isFile(); // Returns 'true' if 'path' is a file. window.cep.fs.stat(path).err != window.cep.fs.ERR_NOT_FOUND; // Returns 'true' if 'path' exists. The key is that the stat() function returns an object with two properties: data and e...
How to Check if Mongoose is Installed in Node.js? Open a terminal and execute the below command to create a project directory, then, move into it: mkdir mongooseCheck cd mongooseCheck Create a new Node.js project along with the entry point file using the following commands: npm init -y...
The GitHub maintained actions/setup-node action will setup the .npmrc file for you if you use the registry-url option. If you do not need version checking, you should use that functionality instead, as detailed in GitHub's documentation: https://docs.github.com/en/actions/publishing-packages...
This simple best practice will not only help you easily and quickly tell the dependencies of a file right at the top but also avoids a couple of potential problems Otherwise: Requires are run synchronously by Node.js. If they are called from within a function, it may block other requests ...
Hint: If github.com is not accessibleinyour locationtrysetting a proxy via HTTP_PROXY, e.g. export HTTP_PROXY=http://example.com:1234or configure npm proxy via npm config set proxy http://example.com:8080> core-js@2.6.11 postinstall D:\programs\rubik-web\node_modules\core-js> node -...