Synchronous Node.JS function to simply create a file if it does not exist. If the file does exist, it will not be modified.

npm install create-if-not-exist --save

var createIfNotExist = require("create-if-not-exist");

// File will be created if it does not exist.
// If the file does exist, it will not be modified.
createIfNotExist('file.txt','blablablabla');

• filename - The file name to create if it doesn't exist.
• body - The contents of the file that's being created.

createIfNotExist(filename, data)

• filename - The name of the file
• data - The data to be written to the file