For instance, the following command allows write access to the /tmp/ folder: $ node -experimental-permission -allow-fs-write=/tmp/ -allow-fs-read=/home/index.js index.js Here is an example of how to use the Permission Model to allow read and write access to the entire file system: $ node -experimental-permission -allow-fs-read=* -allow-fs-write=* index.jsĭevelopers can also use the Permission Model to specify access to specific folders and files. To activate these flags, developers need to utilize the -experimental-permission flag in combination with the required permissions. The Permission Model comes with several abilities, including restricting access to the file system, child_process, worker_threads, and native addons.ĭevelopers can use flags such as -allow-fs-read, -allow-fs-write, and -allow-child-process to specify which resources are accessible. This new feature is beneficial when security and resource usage are critical, such as in a production environment. The introduction of the experimental Permission Model in Node.js v20 is a significant addition that gives developers more control over access to specific resources during execution. Let’s explore the 5 major updates introduced with this Node.js release. Node.js v20 has arrived! Check out Permission Model, synchronous, stable test runner, and more exciting features and updates here ⬇️ Click to Tweet What’s New in Node.js v20? If you see the version number (v20.0.0), it means that Node.js is installed correctly, and you are ready to start working with Node.js v20.
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