Supabase Edge Functions are serverless functions that allow developers to execute backend code in response to HTTP requests or database events. They are built on top of Deno, a modern runtime for JavaScript and TypeScript, which provides a secure and efficient environment for running serverless functions.
When deploying a Supabase Edge Function, you might encounter the error code EF015: Unsupported Node.js Version. This error indicates that the function is using a Node.js version that is not compatible with the Supabase environment.
The error message typically reads: "EF015: Unsupported Node.js Version. Please use a supported Node.js version." This message is displayed during the deployment process, preventing the function from being successfully deployed.
The error code EF015 is specific to Supabase Edge Functions and indicates a compatibility issue with the Node.js version specified in your function. Supabase Edge Functions are designed to run on Deno, and while they can support some Node.js features, they require specific versions to ensure compatibility and security.
Using an unsupported Node.js version can lead to runtime errors, security vulnerabilities, and unexpected behavior in your functions. Supabase regularly updates its supported versions to align with the latest security patches and feature updates.
To resolve the EF015 error, follow these steps to ensure your function is using a supported Node.js version:
Visit the Supabase Documentation to find the list of supported Node.js versions. Ensure that your function's Node.js version matches one of the supported versions listed.
If your function is using an unsupported version, update it to a supported version. You can specify the Node.js version in your project's configuration file. For example, in a package.json file, you might specify:
{
"engines": {
"node": "14.x"
}
}
Replace 14.x with the supported version number.
After updating the Node.js version, redeploy your function using the Supabase CLI. Run the following command in your terminal:
supabase functions deploy
This command will redeploy your function with the updated Node.js version.
Once deployed, test your function to ensure it operates correctly. You can use the Supabase dashboard or CLI to invoke your function and check for any runtime errors.
By ensuring your Supabase Edge Functions use a supported Node.js version, you can avoid the EF015 error and ensure your functions run smoothly. Regularly check the Supabase Blog for updates on supported versions and best practices for deploying Edge Functions.
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